diff --git a/example/ios/Podfile b/example/ios/Podfile
index b30a428b..0ee4a537 100644
--- a/example/ios/Podfile
+++ b/example/ios/Podfile
@@ -35,7 +35,7 @@ end
 target 'Runner' do
   use_frameworks!
   use_modular_headers!
-  
+
   # Flutter Pod
 
   copied_flutter_dir = File.join(__dir__, 'Flutter')
diff --git a/example/lib/sample/components/form/items_example/title_select_example.dart b/example/lib/sample/components/form/items_example/title_select_example.dart
index 698237bf..9fe73327 100644
--- a/example/lib/sample/components/form/items_example/title_select_example.dart
+++ b/example/lib/sample/components/form/items_example/title_select_example.dart
@@ -47,7 +47,7 @@ class TitleSelectInputState extends State<TitleSelectInputExamplePage> {
               title: _list[0],
               hint: "请输入",
               controller: controller,
-              inputFormatters: [FilteringTextInputFormatter(RegExp('[0-9"]'))],
+              inputFormatters: [FilteringTextInputFormatter.digitsOnly],
               selectedIndex: -1,
               selectList: _list,
               onTip: () {
diff --git a/example/lib/sample/theme/config_test_utils.dart b/example/lib/sample/theme/config_test_utils.dart
index f91dd885..0d741da6 100644
--- a/example/lib/sample/theme/config_test_utils.dart
+++ b/example/lib/sample/theme/config_test_utils.dart
@@ -158,16 +158,6 @@ class TestConfigUtils {
     titleMaxLength: 20,
     titleStyle: BrnTextStyle(color: Color(0xff222222), fontWeight: FontWeight.w600, fontSize: 24),
     actionsStyle: BrnTextStyle(color: Color(0xFF3072F6), fontWeight: FontWeight.w600, fontSize: 18),
-    flexibleSpace: Container(
-      width: double.infinity,
-      height: MediaQueryData.fromWindow(window).padding.top + 57,
-      decoration: BoxDecoration(
-        gradient: LinearGradient(colors: [
-          Color(0xfffafafa),
-          Color(0xfff5f5f5),
-        ], begin: Alignment.topCenter, end: Alignment.bottomCenter),
-      ),
-    ),
   );
 
   static BrnButtonConfig defaultButtonConfig = BrnButtonConfig(
diff --git a/lib/src/components/navbar/brn_appbar.dart b/lib/src/components/navbar/brn_appbar.dart
index be1d1efc..23e426c6 100644
--- a/lib/src/components/navbar/brn_appbar.dart
+++ b/lib/src/components/navbar/brn_appbar.dart
@@ -276,12 +276,12 @@ class BrnAppBar extends PreferredSize {
         .merge(_defaultConfig);
 
     Widget flexibleSpace;
-    if (_defaultConfig.flexibleSpace != null) {
+    if (this.flexibleSpace != null) {
       flexibleSpace = Container(
         height: _defaultConfig.appBarHeight +
                 MediaQueryData.fromWindow(window)?.padding?.top ??
             0,
-        child: _defaultConfig.flexibleSpace,
+        child: this.flexibleSpace,
       );
     }
 
diff --git a/lib/src/components/sugsearch/brn_search_text.dart b/lib/src/components/sugsearch/brn_search_text.dart
index 98656f3c..421cb5a2 100644
--- a/lib/src/components/sugsearch/brn_search_text.dart
+++ b/lib/src/components/sugsearch/brn_search_text.dart
@@ -271,7 +271,7 @@ class _SearchTextState extends State<BrnSearchText> {
                       child: GestureDetector(
                         onTap: () {
                           if (widget.onTextClear != null) {
-                            bool isIntercept = widget.onTextClear!() ?? false;
+                            bool isIntercept = widget.onTextClear!();
                             if (isIntercept) return;
                           }
                           textEditingController!.clear();
diff --git a/lib/src/theme/base/brn_base_config.dart b/lib/src/theme/base/brn_base_config.dart
index c339629d..ebbcf3a7 100644
--- a/lib/src/theme/base/brn_base_config.dart
+++ b/lib/src/theme/base/brn_base_config.dart
@@ -49,6 +49,5 @@ abstract class BrnBaseConfig {
       _currentLevelCommonConfig ??
       BrnThemeConfigurator.instance
           .getConfig(configId: configId)
-          .commonConfig ??
-      BrnDefaultConfigUtils.defaultCommonConfig;
+          .commonConfig;
 }
diff --git a/lib/src/theme/base/brn_default_config_utils.dart b/lib/src/theme/base/brn_default_config_utils.dart
index 92e6f5b0..66861fb3 100644
--- a/lib/src/theme/base/brn_default_config_utils.dart
+++ b/lib/src/theme/base/brn_default_config_utils.dart
@@ -42,12 +42,15 @@ class BrnDefaultConfigUtils {
     buttonConfig: defaultButtonConfig,
     actionSheetConfig: defaultActionSheetConfig,
     pickerConfig: defaultPickerConfig,
-    enhanceNumberCardConfig: defaultNumberInfoConfig,
+    enhanceNumberCardConfig: defaultEnhanceNumberInfoConfig,
     tabBarConfig: defaultTabBarConfig,
     selectionConfig: defaultSelectionConfig,
     galleryDetailConfig: defaultGalleryDetailConfig,
   );
 
+
+
+
   /// 全局默认配置
   static BrnCommonConfig defaultCommonConfig = BrnCommonConfig(
     /// 主题色相关
@@ -119,29 +122,29 @@ class BrnDefaultConfigUtils {
     /// 文本字号
     ///
     /// 特殊数据展示，DIN Condensed数字字体，用于强吸引
-    fontSizeDIN: 28,
+    fontSizeDIN: 28.0,
 
     /// 标题字体
     /// 名称/页面大标题
-    fontSizeHeadLg: 22,
+    fontSizeHeadLg: 22.0,
 
     /// 标题字体
     /// 内容模块标题/一级标题
-    fontSizeHead: 18,
+    fontSizeHead: 18.0,
 
     /// 子标题字体
     /// 标题/录入文字/大按钮文字/二级标题
-    fontSizeSubHead: 16,
+    fontSizeSubHead: 16.0,
 
     /// 基础字体
     /// 内容副文本/普通说明文字
-    fontSizeBase: 14,
+    fontSizeBase: 14.0,
 
     /// 辅助字体-普通
-    fontSizeCaption: 12,
+    fontSizeCaption: 12.0,
 
     ///辅助字体-小
-    fontSizeCaptionSm: 11,
+    fontSizeCaptionSm: 11.0,
 
     /// 圆角尺寸
     radiusXs: 2.0,
@@ -151,31 +154,31 @@ class BrnDefaultConfigUtils {
 
     /// 边框尺寸
     borderWidthSm: 0.5,
-    borderWidthMd: 1,
-    borderWidthLg: 2,
+    borderWidthMd: 1.0,
+    borderWidthLg: 2.0,
 
     /// 水平间距
-    hSpacingXs: 8,
-    hSpacingSm: 12,
-    hSpacingMd: 16,
-    hSpacingLg: 20,
-    hSpacingXl: 24,
-    hSpacingXxl: 42,
+    hSpacingXs: 8.0,
+    hSpacingSm: 12.0,
+    hSpacingMd: 16.0,
+    hSpacingLg: 20.0,
+    hSpacingXl: 24.0,
+    hSpacingXxl: 42.0,
 
     /// 垂直间距
-    vSpacingXs: 4,
-    vSpacingSm: 8,
-    vSpacingMd: 12,
-    vSpacingLg: 14,
-    vSpacingXl: 16,
-    vSpacingXxl: 28,
+    vSpacingXs: 4.0,
+    vSpacingSm: 8.0,
+    vSpacingMd: 12.0,
+    vSpacingLg: 14.0,
+    vSpacingXl: 16.0,
+    vSpacingXxl: 28.0,
 
     /// 图标大小
-    iconSizeXxs: 8,
-    iconSizeXs: 12,
-    iconSizeSm: 14,
-    iconSizeMd: 16,
-    iconSizeLg: 32,
+    iconSizeXxs: 8.0,
+    iconSizeXs: 12.0,
+    iconSizeSm: 14.0,
+    iconSizeMd: 16.0,
+    iconSizeLg: 32.0,
   );
 
   ///******** 以下是子配置项 ********///
@@ -207,7 +210,7 @@ class BrnDefaultConfigUtils {
       fontSize: defaultCommonConfig.fontSizeSubHead,
     ),
     optionsMiddlePadding: EdgeInsets.only(
-      left: defaultCommonConfig.hSpacingMd ?? 0,
+      left: defaultCommonConfig.hSpacingMd,
     ),
     optionTextStyle: BrnTextStyle(
       height: 1.3,
@@ -220,20 +223,20 @@ class BrnDefaultConfigUtils {
       fontSize: defaultCommonConfig.fontSizeSubHead,
     ),
     formPadding: EdgeInsets.only(
-      left: 0,
-      top: defaultCommonConfig.vSpacingLg ?? 0,
-      right: defaultCommonConfig.hSpacingLg ?? 0,
-      bottom: defaultCommonConfig.vSpacingLg ?? 0,
+      left: 0.0,
+      top: defaultCommonConfig.vSpacingLg ,
+      right: defaultCommonConfig.hSpacingLg ,
+      bottom: defaultCommonConfig.vSpacingLg,
     ),
     titlePaddingSm: EdgeInsets.only(left: 10),
-    titlePaddingLg: EdgeInsets.only(left: defaultCommonConfig.hSpacingLg ?? 0),
+    titlePaddingLg: EdgeInsets.only(left: defaultCommonConfig.hSpacingLg),
     subTitlePadding: EdgeInsets.only(
-      left: defaultCommonConfig.hSpacingLg ?? 0,
-      top: defaultCommonConfig.vSpacingXs ?? 0,
+      left: defaultCommonConfig.hSpacingLg,
+      top: defaultCommonConfig.vSpacingXs,
     ),
     errorPadding: EdgeInsets.only(
-      left: defaultCommonConfig.hSpacingLg ?? 0,
-      top: defaultCommonConfig.vSpacingXs ?? 0,
+      left: defaultCommonConfig.hSpacingLg,
+      top: defaultCommonConfig.vSpacingXs,
     ),
     disableTextStyle: BrnTextStyle(
       color: defaultCommonConfig.colorTextDisabled,
@@ -247,18 +250,18 @@ class BrnDefaultConfigUtils {
 
   /// Dialog默认配置
   static BrnDialogConfig defaultDialogConfig = BrnDialogConfig(
-    dialogWidth: 300,
+    dialogWidth: 300.0,
     radius: defaultCommonConfig.radiusLg,
-    iconPadding: EdgeInsets.only(top: defaultCommonConfig.vSpacingXxl ?? 0),
+    iconPadding: EdgeInsets.only(top: defaultCommonConfig.vSpacingXxl),
     titlePaddingSm: EdgeInsets.only(
-      top: 12,
-      left: defaultCommonConfig.hSpacingXxl ?? 0,
-      right: defaultCommonConfig.hSpacingXxl ?? 0,
+      top: 12.0,
+      left: defaultCommonConfig.hSpacingXxl,
+      right: defaultCommonConfig.hSpacingXxl,
     ),
     titlePaddingLg: EdgeInsets.only(
-      top: 28,
-      left: defaultCommonConfig.hSpacingXxl ?? 0,
-      right: defaultCommonConfig.hSpacingXxl ?? 0,
+      top: 28.0,
+      left: defaultCommonConfig.hSpacingXxl,
+      right: defaultCommonConfig.hSpacingXxl,
     ),
     titleTextStyle: BrnTextStyle(
       fontWeight: FontWeight.w600,
@@ -267,14 +270,14 @@ class BrnDefaultConfigUtils {
     ),
     titleTextAlign: TextAlign.center,
     contentPaddingSm: EdgeInsets.only(
-      top: 8,
-      left: defaultCommonConfig.hSpacingXl ?? 0,
-      right: defaultCommonConfig.hSpacingXl ?? 0,
+      top: 8.0,
+      left: defaultCommonConfig.hSpacingXl,
+      right: defaultCommonConfig.hSpacingXl,
     ),
     contentPaddingLg: EdgeInsets.only(
-      top: 28,
-      left: defaultCommonConfig.hSpacingXl ?? 0,
-      right: defaultCommonConfig.hSpacingXl ?? 0,
+      top: 28.0,
+      left: defaultCommonConfig.hSpacingXl,
+      right: defaultCommonConfig.hSpacingXl,
     ),
     contentTextStyle: BrnTextStyle(
       fontSize: defaultCommonConfig.fontSizeBase,
@@ -283,14 +286,14 @@ class BrnDefaultConfigUtils {
     ),
     contentTextAlign: TextAlign.center,
     warningPaddingSm: EdgeInsets.only(
-      top: 6,
-      left: defaultCommonConfig.hSpacingXl ?? 0,
-      right: defaultCommonConfig.hSpacingXl ?? 0,
+      top: 6.0,
+      left: defaultCommonConfig.hSpacingXl,
+      right: defaultCommonConfig.hSpacingXl,
     ),
     warningPaddingLg: EdgeInsets.only(
-      top: 28,
-      left: defaultCommonConfig.hSpacingXl ?? 0,
-      right: defaultCommonConfig.hSpacingXl ?? 0,
+      top: 28.0,
+      left: defaultCommonConfig.hSpacingXl,
+      right: defaultCommonConfig.hSpacingXl,
     ),
     warningTextAlign: TextAlign.center,
     warningTextStyle: BrnTextStyle(
@@ -298,7 +301,7 @@ class BrnDefaultConfigUtils {
       color: defaultCommonConfig.brandError,
       decoration: TextDecoration.none,
     ),
-    dividerPadding: EdgeInsets.only(top: 28),
+    dividerPadding: EdgeInsets.only(top: 28.0),
     mainActionTextStyle: BrnTextStyle(
       color: defaultCommonConfig.brandPrimary,
       fontWeight: FontWeight.w600,
@@ -320,7 +323,7 @@ class BrnDefaultConfigUtils {
     titleWithHeightTextStyle: BrnTextStyle(
       color: defaultCommonConfig.colorTextBase,
       fontSize: defaultCommonConfig.fontSizeHead,
-      height: 25 / 18,
+      height: 25.0 / 18.0,
       fontWeight: FontWeight.w600,
     ),
     titleTextStyle: BrnTextStyle(
@@ -341,8 +344,8 @@ class BrnDefaultConfigUtils {
       fontSize: defaultCommonConfig.fontSizeBase,
     ),
     cardTitlePadding: EdgeInsets.only(
-      top: defaultCommonConfig.vSpacingXl ?? 0,
-      bottom: defaultCommonConfig.vSpacingMd ?? 0,
+      top: defaultCommonConfig.vSpacingXl,
+      bottom: defaultCommonConfig.vSpacingMd,
     ),
     alignment: PlaceholderAlignment.middle,
     cardBackgroundColor: defaultCommonConfig.fillBase,
@@ -373,8 +376,8 @@ class BrnDefaultConfigUtils {
       color: defaultCommonConfig.colorTextBaseInverse,
       fontSize: defaultCommonConfig.fontSizeSubHead,
     ),
-    singleMinWidth: 160,
-    doubleMinWidth: 120,
+    singleMinWidth: 160.0,
+    doubleMinWidth: 120.0,
   );
 
   /// 标签配置
@@ -391,11 +394,12 @@ class BrnDefaultConfigUtils {
     tagBackgroundColor: defaultCommonConfig.fillBody,
     selectedTagBackgroundColor: defaultCommonConfig.brandPrimary,
     tagRadius: defaultCommonConfig.radiusXs,
-    tagHeight: 34,
-    tagWidth: 75,
-    tagMinWidth: 75,
+    tagHeight: 34.0,
+    tagWidth: 75.0,
+    tagMinWidth: 75.0,
   );
 
+
   /// 导航栏配置
   static BrnAppBarConfig defaultAppBarConfig = BrnAppBarConfig(
     backgroundColor: Colors.white,
@@ -418,7 +422,7 @@ class BrnDefaultConfigUtils {
       fontWeight: FontWeight.w600,
     ),
     titleMaxLength: BrnAppBarTheme.maxLength,
-    leftAndRightPadding: 20,
+    leftAndRightPadding: 20.0,
     itemSpacing: BrnAppBarTheme.iconMargin,
     titlePadding: EdgeInsets.zero,
     iconSize: BrnAppBarTheme.iconSize,
@@ -449,9 +453,9 @@ class BrnDefaultConfigUtils {
   /// 内容信息（一列）配置
   static BrnPairRichInfoGridConfig defaultPairRichInfoGridConfig =
       BrnPairRichInfoGridConfig(
-    rowSpacing: 4,
-    itemSpacing: 2,
-    itemHeight: 20,
+    rowSpacing: 4.0,
+    itemSpacing: 2.0,
+    itemHeight: 20.0,
     keyTextStyle: BrnTextStyle(
       color: defaultCommonConfig.colorTextSecondary,
       fontSize: defaultCommonConfig.fontSizeBase,
@@ -472,12 +476,12 @@ class BrnDefaultConfigUtils {
 
   /// 按钮配置
   static BrnButtonConfig defaultButtonConfig = BrnButtonConfig(
-    bigButtonRadius: 6,
-    bigButtonHeight: 48,
-    bigButtonFontSize: 16,
-    smallButtonRadius: 4,
-    smallButtonHeight: 32,
-    smallButtonFontSize: 14,
+    bigButtonRadius: 6.0,
+    bigButtonHeight: 48.0,
+    bigButtonFontSize: 16.0,
+    smallButtonRadius: 4.0,
+    smallButtonHeight: 32.0,
+    smallButtonFontSize: 14.0,
     configId: BRUNO_CONFIG_ID,
   );
 
@@ -522,8 +526,8 @@ class BrnDefaultConfigUtils {
       fontSize: defaultCommonConfig.fontSizeSubHead,
       fontWeight: FontWeight.w600,
     ),
-    titlePadding: EdgeInsets.symmetric(horizontal: 60, vertical: 16),
-    contentPadding: EdgeInsets.symmetric(horizontal: 60, vertical: 12),
+    titlePadding: EdgeInsets.symmetric(horizontal: 60.0, vertical: 16.0),
+    contentPadding: EdgeInsets.symmetric(horizontal: 60.0, vertical: 12.0),
   );
 
   static BrnPickerConfig defaultPickerConfig = BrnPickerConfig(
@@ -559,13 +563,13 @@ class BrnDefaultConfigUtils {
   );
 
   /// 数字增强信息配置
-  static BrnEnhanceNumberCardConfig defaultNumberInfoConfig =
+  static BrnEnhanceNumberCardConfig defaultEnhanceNumberInfoConfig =
       BrnEnhanceNumberCardConfig(
-    runningSpace: 16,
-    itemRunningSpace: 8,
-    titleTextStyle: BrnTextStyle(fontSize: 28, fontWeight: FontWeight.w600),
+    runningSpace: 16.0,
+    itemRunningSpace: 8.0,
+    titleTextStyle: BrnTextStyle(fontSize: 28.0, fontWeight: FontWeight.w600),
     descTextStyle: BrnTextStyle(
-      fontSize: 12,
+      fontSize: 12.0,
       color: defaultCommonConfig.colorTextSecondary,
     ),
     dividerWidth: 0.5,
@@ -573,9 +577,10 @@ class BrnDefaultConfigUtils {
 
   /// TabBar配置
   static BrnTabBarConfig defaultTabBarConfig = BrnTabBarConfig(
-    tabHeight: 50,
-    indicatorHeight: 2,
-    indicatorWidth: 24,
+    backgroundColor: Colors.white,
+    tabHeight: 50.0,
+    indicatorHeight: 2.0,
+    indicatorWidth: 24.0,
     labelStyle: BrnTextStyle(
       color: defaultCommonConfig.brandPrimary,
       fontSize: defaultCommonConfig.fontSizeSubHead,
@@ -591,15 +596,15 @@ class BrnDefaultConfigUtils {
       color: defaultCommonConfig.colorTextBase,
       fontSize: defaultCommonConfig.fontSizeCaption,
     ),
-    tagNormalBgColor: defaultCommonConfig.brandPrimary?.withAlpha(0x14),
+    tagNormalBgColor: defaultCommonConfig.brandPrimary.withAlpha(0x14),
     tagSelectedTextStyle: BrnTextStyle(
       color: defaultCommonConfig.brandPrimary,
       fontSize: defaultCommonConfig.fontSizeCaption,
     ),
     tagSelectedBgColor: defaultCommonConfig.fillBody,
-    tagSpacing: 12,
+    tagSpacing: 12.0,
     preLineTagCount: 4,
-    tagHeight: 32,
+    tagHeight: 32.0,
   );
 
   /// 筛选项配置
@@ -625,7 +630,7 @@ class BrnDefaultConfigUtils {
     tagRadius: defaultCommonConfig.radiusSm,
     tagNormalBackgroundColor: defaultCommonConfig.fillBody,
     tagSelectedBackgroundColor:
-        defaultCommonConfig.brandPrimary?.withOpacity(0.12),
+        defaultCommonConfig.brandPrimary.withOpacity(0.12),
     rangeTitleTextStyle: BrnTextStyle(
       color: defaultCommonConfig.colorTextBase,
       fontSize: defaultCommonConfig.fontSizeSubHead,
@@ -708,7 +713,7 @@ class BrnDefaultConfigUtils {
     appbarBackgroundColor: Colors.black,
     appbarBrightness: Brightness.dark,
     tabBarUnSelectedLabelStyle: BrnTextStyle(
-      fontSize: 16,
+      fontSize: 16.0,
       color: Color(0XFFCCCCCC),
     ),
     tabBarLabelStyle: BrnTextStyle(
diff --git a/lib/src/theme/brn_theme_configurator.dart b/lib/src/theme/brn_theme_configurator.dart
index 999b03a3..392030cb 100644
--- a/lib/src/theme/brn_theme_configurator.dart
+++ b/lib/src/theme/brn_theme_configurator.dart
@@ -5,9 +5,19 @@ const String BRUNO_CONFIG_ID = 'BRUNO_CONFIG_ID';
 const String GLOBAL_CONFIG_ID = 'GLOBAL_CONFIG_ID';
 
 class BrnThemeConfigurator {
-  BrnThemeConfigurator._();
 
-  static late final BrnThemeConfigurator instance = BrnThemeConfigurator._();
+  BrnThemeConfigurator._(){
+    _checkAndInitBrunoConfig();
+  }
+
+  static  BrnThemeConfigurator? _instance;
+
+  static get instance {
+    if (null == _instance) {
+      _instance = BrnThemeConfigurator._();
+    }
+    return _instance!;
+  }
 
   Map<String, BrnAllThemeConfig> globalConfig = <String, BrnAllThemeConfig>{};
 
@@ -16,12 +26,10 @@ class BrnThemeConfigurator {
     BrnAllThemeConfig? allThemeConfig, {
     String configId = GLOBAL_CONFIG_ID,
   }) {
-    // 先赋值默认配置
-    _checkAndInitBrunoConfig();
     // 打平内部字段
     if (allThemeConfig != null) {
       // 赋值传入配置
-      instance.globalConfig[configId] = allThemeConfig
+      globalConfig[configId] = allThemeConfig
         ..initThemeConfig(configId);
     }
   }
@@ -31,7 +39,6 @@ class BrnThemeConfigurator {
   /// 2、若获取的为 null，则使用默认的全局配置。
   /// 3、若没有配置 GLOBAL_CONFIG_ID ，则使用 BRUNO 的配置。
   BrnAllThemeConfig getConfig({String configId = GLOBAL_CONFIG_ID}) {
-    _checkAndInitBrunoConfig();
 
     BrnAllThemeConfig? allThemeConfig = globalConfig[configId] ??
         globalConfig[GLOBAL_CONFIG_ID] ??
diff --git a/lib/src/theme/configs/brn_abnormal_state_config.dart b/lib/src/theme/configs/brn_abnormal_state_config.dart
index 805dc1ad..67b829ff 100644
--- a/lib/src/theme/configs/brn_abnormal_state_config.dart
+++ b/lib/src/theme/configs/brn_abnormal_state_config.dart
@@ -1,4 +1,5 @@
 import 'package:bruno/src/theme/base/brn_base_config.dart';
+import 'package:bruno/src/theme/base/brn_default_config_utils.dart';
 import 'package:bruno/src/theme/base/brn_text_style.dart';
 import 'package:bruno/src/theme/brn_theme_configurator.dart';
 import 'package:bruno/src/theme/configs/brn_common_config.dart';
@@ -6,16 +7,24 @@ import 'package:bruno/src/theme/configs/brn_common_config.dart';
 /// 描述: 空页面配置类
 class BrnAbnormalStateConfig extends BrnBaseConfig {
   BrnAbnormalStateConfig({
-    this.titleTextStyle,
-    this.contentTextStyle,
-    this.operateTextStyle,
-    this.btnRadius,
-    this.singleTextStyle,
-    this.doubleTextStyle,
-    this.singleMinWidth,
-    this.doubleMinWidth,
+    BrnTextStyle? titleTextStyle,
+    BrnTextStyle? contentTextStyle,
+    BrnTextStyle? operateTextStyle,
+    double? btnRadius,
+    BrnTextStyle? singleTextStyle,
+    BrnTextStyle? doubleTextStyle,
+    double? singleMinWidth,
+    double? doubleMinWidth,
     String configId = GLOBAL_CONFIG_ID,
-  }) : super(configId: configId);
+  })  : _titleTextStyle = titleTextStyle,
+        _contentTextStyle = contentTextStyle,
+        _operateTextStyle = operateTextStyle,
+        _btnRadius = btnRadius,
+        _singleTextStyle = singleTextStyle,
+        _doubleTextStyle = doubleTextStyle,
+        _singleMinWidth = singleMinWidth,
+        _doubleMinWidth = doubleMinWidth,
+        super(configId: configId);
 
   /// 文案区域标题
   ///
@@ -24,7 +33,7 @@ class BrnAbnormalStateConfig extends BrnBaseConfig {
   ///   fontSize: [BrnCommonConfig.fontSizeSubHead],
   ///   fontWeight: FontWeight.w600,
   /// )
-  BrnTextStyle? titleTextStyle;
+  BrnTextStyle? _titleTextStyle;
 
   /// 文案区域内容
   ///
@@ -32,7 +41,7 @@ class BrnAbnormalStateConfig extends BrnBaseConfig {
   ///   color: [BrnCommonConfig.colorTextHint],
   ///   fontSize: [BrnCommonConfig.fontSizeBase],
   /// )
-  BrnTextStyle? contentTextStyle;
+  BrnTextStyle? _contentTextStyle;
 
   /// 操作区域文本样式
   ///
@@ -40,11 +49,11 @@ class BrnAbnormalStateConfig extends BrnBaseConfig {
   ///   color: [BrnCommonConfig.brandPrimary],
   ///   fontSize: [BrnCommonConfig.fontSizeBase],
   /// )
-  BrnTextStyle? operateTextStyle;
+  BrnTextStyle? _operateTextStyle;
 
   /// 圆角
   /// default value is [BrnCommonConfig.radiusSm]
-  double? btnRadius;
+  double? _btnRadius;
 
   /// 单按钮文本样式
   ///
@@ -52,7 +61,7 @@ class BrnAbnormalStateConfig extends BrnBaseConfig {
   ///   color: [BrnCommonConfig.colorTextBaseInverse],
   ///   fontSize: [BrnCommonConfig.fontSizeSubHead],
   /// )
-  BrnTextStyle? singleTextStyle;
+  BrnTextStyle? _singleTextStyle;
 
   /// 双按钮文本样式
   ///
@@ -60,15 +69,46 @@ class BrnAbnormalStateConfig extends BrnBaseConfig {
   ///   color: [BrnCommonConfig.brandPrimary],
   ///   fontSize: [BrnCommonConfig.fontSizeSubHead],
   /// )
-  BrnTextStyle? doubleTextStyle;
+  BrnTextStyle? _doubleTextStyle;
 
   /// 单按钮的按钮最小宽度
   /// 默认值为 160
-  double? singleMinWidth;
+  double? _singleMinWidth;
 
   /// 多按钮的按钮最小宽度
   /// 默认值为 120
-  double? doubleMinWidth;
+  double? _doubleMinWidth;
+
+  BrnTextStyle get titleTextStyle =>
+      _titleTextStyle ??
+      BrnDefaultConfigUtils.defaultAbnormalStateConfig.titleTextStyle;
+
+  BrnTextStyle get contentTextStyle =>
+      _contentTextStyle ??
+      BrnDefaultConfigUtils.defaultAbnormalStateConfig.contentTextStyle;
+
+  BrnTextStyle get operateTextStyle =>
+      _operateTextStyle ??
+      BrnDefaultConfigUtils.defaultAbnormalStateConfig.operateTextStyle;
+
+  double get btnRadius =>
+      _btnRadius ?? BrnDefaultConfigUtils.defaultAbnormalStateConfig.btnRadius;
+
+  BrnTextStyle get singleTextStyle =>
+      _singleTextStyle ??
+      BrnDefaultConfigUtils.defaultAbnormalStateConfig.singleTextStyle;
+
+  BrnTextStyle get doubleTextStyle =>
+      _doubleTextStyle ??
+      BrnDefaultConfigUtils.defaultAbnormalStateConfig.doubleTextStyle;
+
+  double get singleMinWidth =>
+      _singleMinWidth ??
+      BrnDefaultConfigUtils.defaultAbnormalStateConfig.singleMinWidth;
+
+  double get doubleMinWidth =>
+      _doubleMinWidth ??
+      BrnDefaultConfigUtils.defaultAbnormalStateConfig.doubleMinWidth;
 
   @override
   void initThemeConfig(
@@ -81,43 +121,43 @@ class BrnAbnormalStateConfig extends BrnBaseConfig {
     );
 
     /// 用户全局组件配置
-    BrnAbnormalStateConfig? abnormalStateConfig = BrnThemeConfigurator.instance
+    BrnAbnormalStateConfig abnormalStateConfig = BrnThemeConfigurator.instance
         .getConfig(configId: configId)
         .abnormalStateConfig;
 
-    titleTextStyle = abnormalStateConfig?.titleTextStyle?.merge(
+    _titleTextStyle = abnormalStateConfig.titleTextStyle.merge(
       BrnTextStyle(
         color: commonConfig.colorTextBase,
         fontSize: commonConfig.fontSizeSubHead,
-      ).merge(titleTextStyle),
+      ).merge(_titleTextStyle),
     );
-    contentTextStyle = abnormalStateConfig?.contentTextStyle?.merge(
+    _contentTextStyle = abnormalStateConfig.contentTextStyle.merge(
       BrnTextStyle(
         color: commonConfig.colorTextHint,
         fontSize: commonConfig.fontSizeSubHead,
-      ).merge(contentTextStyle),
+      ).merge(_contentTextStyle),
     );
-    operateTextStyle = abnormalStateConfig?.operateTextStyle?.merge(
+    _operateTextStyle = abnormalStateConfig.operateTextStyle.merge(
       BrnTextStyle(
         color: commonConfig.brandPrimary,
         fontSize: commonConfig.fontSizeBase,
-      ).merge(operateTextStyle),
+      ).merge(_operateTextStyle),
     );
-    singleTextStyle = abnormalStateConfig?.singleTextStyle?.merge(
+    _singleTextStyle = abnormalStateConfig.singleTextStyle.merge(
       BrnTextStyle(
         color: commonConfig.colorTextBaseInverse,
         fontSize: commonConfig.fontSizeSubHead,
-      ).merge(singleTextStyle),
+      ).merge(_singleTextStyle),
     );
-    doubleTextStyle = abnormalStateConfig?.doubleTextStyle?.merge(
+    _doubleTextStyle = abnormalStateConfig.doubleTextStyle.merge(
       BrnTextStyle(
         color: commonConfig.brandPrimary,
         fontSize: commonConfig.fontSizeSubHead,
-      ).merge(doubleTextStyle),
+      ).merge(_doubleTextStyle),
     );
-    btnRadius ??= abnormalStateConfig?.btnRadius;
-    singleMinWidth ??= abnormalStateConfig?.singleMinWidth;
-    doubleMinWidth ??= abnormalStateConfig?.doubleMinWidth;
+    _btnRadius ??= abnormalStateConfig._btnRadius;
+    _singleMinWidth ??= abnormalStateConfig._singleMinWidth;
+    _doubleMinWidth ??= abnormalStateConfig._doubleMinWidth;
   }
 
   BrnAbnormalStateConfig copyWith({
@@ -131,33 +171,28 @@ class BrnAbnormalStateConfig extends BrnBaseConfig {
     double? doubleMinWidth,
   }) {
     return BrnAbnormalStateConfig(
-      titleTextStyle: titleTextStyle ?? this.titleTextStyle,
-      contentTextStyle: contentTextStyle ?? this.contentTextStyle,
-      operateTextStyle: operateTextStyle ?? this.operateTextStyle,
-      btnRadius: btnRadius ?? this.btnRadius,
-      singleTextStyle: singleTextStyle ?? this.singleTextStyle,
-      doubleTextStyle: doubleTextStyle ?? this.doubleTextStyle,
-      singleMinWidth: singleMinWidth ?? this.singleMinWidth,
-      doubleMinWidth: doubleMinWidth ?? this.doubleMinWidth,
+      titleTextStyle: titleTextStyle ?? _titleTextStyle,
+      contentTextStyle: contentTextStyle ?? _contentTextStyle,
+      operateTextStyle: operateTextStyle ?? _operateTextStyle,
+      btnRadius: btnRadius ?? _btnRadius,
+      singleTextStyle: singleTextStyle ?? _singleTextStyle,
+      doubleTextStyle: doubleTextStyle ?? _doubleTextStyle,
+      singleMinWidth: singleMinWidth ?? _singleMinWidth,
+      doubleMinWidth: doubleMinWidth ?? _doubleMinWidth,
     );
   }
 
   BrnAbnormalStateConfig merge(BrnAbnormalStateConfig? other) {
     if (other == null) return this;
     return copyWith(
-      titleTextStyle:
-          titleTextStyle?.merge(other.titleTextStyle) ?? other.titleTextStyle,
-      contentTextStyle: contentTextStyle?.merge(other.contentTextStyle) ??
-          other.contentTextStyle,
-      operateTextStyle: operateTextStyle?.merge(other.operateTextStyle) ??
-          other.operateTextStyle,
-      btnRadius: other.btnRadius,
-      singleTextStyle: singleTextStyle?.merge(other.singleTextStyle) ??
-          other.singleTextStyle,
-      doubleTextStyle: doubleTextStyle?.merge(other.doubleTextStyle) ??
-          other.doubleTextStyle,
-      singleMinWidth: other.singleMinWidth,
-      doubleMinWidth: other.doubleMinWidth,
+      titleTextStyle: titleTextStyle.merge(other._titleTextStyle),
+      contentTextStyle: contentTextStyle.merge(other._contentTextStyle),
+      operateTextStyle: operateTextStyle.merge(other._operateTextStyle),
+      btnRadius: other._btnRadius,
+      singleTextStyle: singleTextStyle.merge(other._singleTextStyle),
+      doubleTextStyle: doubleTextStyle.merge(other._doubleTextStyle),
+      singleMinWidth: other._singleMinWidth,
+      doubleMinWidth: other._doubleMinWidth,
     );
   }
 }
diff --git a/lib/src/theme/configs/brn_action_sheet_config.dart b/lib/src/theme/configs/brn_action_sheet_config.dart
index 6b975ac3..b383cf94 100644
--- a/lib/src/theme/configs/brn_action_sheet_config.dart
+++ b/lib/src/theme/configs/brn_action_sheet_config.dart
@@ -1,4 +1,5 @@
 import 'package:bruno/src/theme/base/brn_base_config.dart';
+import 'package:bruno/src/theme/base/brn_default_config_utils.dart';
 import 'package:bruno/src/theme/base/brn_text_style.dart';
 import 'package:bruno/src/theme/brn_theme_configurator.dart';
 import 'package:bruno/src/theme/configs/brn_common_config.dart';
@@ -9,23 +10,34 @@ class BrnActionSheetConfig extends BrnBaseConfig {
   /// 遵循外部主题配置
   /// 默认为 [BrnDefaultConfigUtils.defaultActionSheetConfig]
   BrnActionSheetConfig({
-    this.titleStyle,
-    this.itemTitleStyle,
-    this.itemTitleStyleLink,
-    this.itemTitleStyleAlert,
-    this.itemDescStyle,
-    this.itemDescStyleLink,
-    this.itemDescStyleAlert,
-    this.cancelStyle,
-    this.topRadius,
-    this.contentPadding,
-    this.titlePadding,
+    BrnTextStyle? titleStyle,
+    BrnTextStyle? itemTitleStyle,
+    BrnTextStyle? itemTitleStyleLink,
+    BrnTextStyle? itemTitleStyleAlert,
+    BrnTextStyle? itemDescStyle,
+    BrnTextStyle? itemDescStyleLink,
+    BrnTextStyle? itemDescStyleAlert,
+    BrnTextStyle? cancelStyle,
+    double? topRadius,
+    EdgeInsets? contentPadding,
+    EdgeInsets? titlePadding,
     String configId = GLOBAL_CONFIG_ID,
-  }) : super(configId: configId);
+  })  : _titleStyle = titleStyle,
+        _itemTitleStyle = itemTitleStyle,
+        _itemTitleStyleLink = itemTitleStyleLink,
+        _itemTitleStyleAlert = itemTitleStyleAlert,
+        _itemDescStyle = itemDescStyle,
+        _itemDescStyleLink = itemDescStyleLink,
+        _itemDescStyleAlert = itemDescStyleAlert,
+        _cancelStyle = cancelStyle,
+        _topRadius = topRadius,
+        _contentPadding = contentPadding,
+        _titlePadding = titlePadding,
+        super(configId: configId);
 
   /// ActionSheet 的顶部圆角
   /// 默认值为 [BrnCommonConfig.radiusLg]
-  double? topRadius;
+  double? _topRadius;
 
   /// 标题样式
   ///
@@ -33,7 +45,7 @@ class BrnActionSheetConfig extends BrnBaseConfig {
   ///   color: [BrnCommonConfig.colorTextSecondary],
   ///   fontSize: [BrnCommonConfig.fontSizeBase],
   /// )
-  BrnTextStyle? titleStyle;
+  BrnTextStyle? _titleStyle;
 
   /// 元素标题默认样式
   ///
@@ -41,7 +53,7 @@ class BrnActionSheetConfig extends BrnBaseConfig {
   ///   color: [BrnCommonConfig.colorTextBase],
   ///   fontSize:[BrnCommonConfig.fontSizeSubHead],
   /// )
-  BrnTextStyle? itemTitleStyle;
+  BrnTextStyle? _itemTitleStyle;
 
   /// 元素标题链接样式
   ///
@@ -50,7 +62,7 @@ class BrnActionSheetConfig extends BrnBaseConfig {
   ///   fontSize: [BrnCommonConfig.fontSizeSubHead],
   ///   fontWeight: FontWeight.w600,
   /// )
-  BrnTextStyle? itemTitleStyleLink;
+  BrnTextStyle? _itemTitleStyleLink;
 
   /// 元素警示项标题样式
   ///
@@ -59,7 +71,7 @@ class BrnActionSheetConfig extends BrnBaseConfig {
   ///   fontSize: [BrnCommonConfig.fontSizeBase],
   ///   fontWeight: FontWeight.w600,
   /// )
-  BrnTextStyle? itemTitleStyleAlert;
+  BrnTextStyle? _itemTitleStyleAlert;
 
   /// 元素描述默认样式
   ///
@@ -68,7 +80,7 @@ class BrnActionSheetConfig extends BrnBaseConfig {
   ///   fontSize: [BrnCommonConfig.fontSizeCaption],
   ///   fontWeight: FontWeight.w600,
   /// )
-  BrnTextStyle? itemDescStyle;
+  BrnTextStyle? _itemDescStyle;
 
   /// 元素标题描述链接样式
   ///
@@ -77,7 +89,7 @@ class BrnActionSheetConfig extends BrnBaseConfig {
   ///   fontSize: [BrnCommonConfig.fontSizeCaption],
   ///   fontWeight: FontWeight.w600,
   /// )
-  BrnTextStyle? itemDescStyleLink;
+  BrnTextStyle? _itemDescStyleLink;
 
   /// 元素警示项标题描述样式
   ///
@@ -86,7 +98,7 @@ class BrnActionSheetConfig extends BrnBaseConfig {
   ///   fontSize: [BrnCommonConfig.fontSizeCaption],
   ///   fontWeight: FontWeight.w600,
   /// )
-  BrnTextStyle? itemDescStyleAlert;
+  BrnTextStyle? _itemDescStyleAlert;
 
   /// 取消按钮样式
   ///
@@ -95,17 +107,59 @@ class BrnActionSheetConfig extends BrnBaseConfig {
   ///   fontSize: [BrnCommonConfig.fontSizeSubHead],
   ///   fontWeight: FontWeight.w600,
   /// )
-  BrnTextStyle? cancelStyle;
+  BrnTextStyle? _cancelStyle;
 
   /// 内容左右间距
   ///
   /// EdgeInsets.symmetric(horizontal: 60, vertical: 12)
-  EdgeInsets? contentPadding;
+  EdgeInsets? _contentPadding;
 
   /// 标题左右间距
   ///
   /// EdgeInsets.symmetric(horizontal: 60, vertical: 16)
-  EdgeInsets? titlePadding;
+  EdgeInsets? _titlePadding;
+
+  double get topRadius =>
+      _topRadius ?? BrnDefaultConfigUtils.defaultActionSheetConfig.topRadius;
+
+  BrnTextStyle get titleStyle =>
+      _titleStyle ?? BrnDefaultConfigUtils.defaultActionSheetConfig.titleStyle;
+
+  BrnTextStyle get itemTitleStyle =>
+      _itemTitleStyle ??
+      BrnDefaultConfigUtils.defaultActionSheetConfig.itemTitleStyle;
+
+  BrnTextStyle get itemTitleStyleLink =>
+      _itemTitleStyleLink ??
+      BrnDefaultConfigUtils.defaultActionSheetConfig.itemTitleStyleLink;
+
+  BrnTextStyle get itemTitleStyleAlert =>
+      _itemTitleStyleAlert ??
+      BrnDefaultConfigUtils.defaultActionSheetConfig.itemTitleStyleAlert;
+
+  BrnTextStyle get itemDescStyle =>
+      _itemDescStyle ??
+      BrnDefaultConfigUtils.defaultActionSheetConfig.itemDescStyle;
+
+  BrnTextStyle get itemDescStyleLink =>
+      _itemDescStyleLink ??
+      BrnDefaultConfigUtils.defaultActionSheetConfig.itemDescStyleLink;
+
+  BrnTextStyle get itemDescStyleAlert =>
+      _itemDescStyleAlert ??
+      BrnDefaultConfigUtils.defaultActionSheetConfig.itemDescStyleAlert;
+
+  BrnTextStyle get cancelStyle =>
+      _cancelStyle ??
+      BrnDefaultConfigUtils.defaultActionSheetConfig.cancelStyle;
+
+  EdgeInsets get contentPadding =>
+      _contentPadding ??
+      BrnDefaultConfigUtils.defaultActionSheetConfig.contentPadding;
+
+  EdgeInsets get titlePadding =>
+      _titlePadding ??
+      BrnDefaultConfigUtils.defaultActionSheetConfig.titlePadding;
 
   @override
   void initThemeConfig(
@@ -118,61 +172,61 @@ class BrnActionSheetConfig extends BrnBaseConfig {
     );
 
     /// 用户全局组件配置
-    BrnActionSheetConfig? actionSheetConfig = BrnThemeConfigurator.instance
+    BrnActionSheetConfig actionSheetConfig = BrnThemeConfigurator.instance
         .getConfig(configId: configId)
         .actionSheetConfig;
 
-    titlePadding ??= actionSheetConfig?.titlePadding;
-    contentPadding ??= actionSheetConfig?.contentPadding;
-    titleStyle = actionSheetConfig?.titleStyle?.merge(
+    _titlePadding ??= actionSheetConfig.titlePadding;
+    _contentPadding ??= actionSheetConfig.contentPadding;
+    _titleStyle = actionSheetConfig.titleStyle.merge(
       BrnTextStyle(
         color: commonConfig.colorTextSecondary,
         fontSize: commonConfig.fontSizeBase,
-      ).merge(titleStyle),
+      ).merge(_titleStyle),
     );
-    itemTitleStyle = actionSheetConfig?.itemTitleStyle?.merge(
+    _itemTitleStyle = actionSheetConfig.itemTitleStyle.merge(
       BrnTextStyle(
         color: commonConfig.colorTextBase,
         fontSize: commonConfig.fontSizeSubHead,
-      ).merge(itemTitleStyle),
+      ).merge(_itemTitleStyle),
     );
-    itemTitleStyleLink = actionSheetConfig?.itemTitleStyleLink?.merge(
+    _itemTitleStyleLink = actionSheetConfig.itemTitleStyleLink.merge(
       BrnTextStyle(
         color: commonConfig.colorLink,
         fontSize: commonConfig.fontSizeSubHead,
-      ).merge(itemTitleStyleLink),
+      ).merge(_itemTitleStyleLink),
     );
-    itemTitleStyleAlert = actionSheetConfig?.itemTitleStyleAlert?.merge(
+    _itemTitleStyleAlert = actionSheetConfig.itemTitleStyleAlert.merge(
       BrnTextStyle(
         color: commonConfig.brandError,
         fontSize: commonConfig.fontSizeBase,
-      ).merge(itemTitleStyleAlert),
+      ).merge(_itemTitleStyleAlert),
     );
-    itemDescStyle = actionSheetConfig?.itemDescStyle?.merge(
+    _itemDescStyle = actionSheetConfig.itemDescStyle.merge(
       BrnTextStyle(
         color: commonConfig.colorTextBase,
         fontSize: commonConfig.fontSizeCaption,
-      ).merge(itemDescStyle),
+      ).merge(_itemDescStyle),
     );
-    itemDescStyleLink = actionSheetConfig?.itemDescStyleLink?.merge(
+    _itemDescStyleLink = actionSheetConfig.itemDescStyleLink.merge(
       BrnTextStyle(
         color: commonConfig.colorLink,
         fontSize: commonConfig.fontSizeCaption,
-      ).merge(itemDescStyleLink),
+      ).merge(_itemDescStyleLink),
     );
-    itemDescStyleAlert = actionSheetConfig?.itemDescStyleAlert?.merge(
+    _itemDescStyleAlert = actionSheetConfig.itemDescStyleAlert.merge(
       BrnTextStyle(
         color: commonConfig.brandError,
         fontSize: commonConfig.fontSizeCaption,
-      ).merge(itemDescStyleAlert),
+      ).merge(_itemDescStyleAlert),
     );
-    cancelStyle = actionSheetConfig?.cancelStyle?.merge(
+    _cancelStyle = actionSheetConfig.cancelStyle.merge(
       BrnTextStyle(
         color: commonConfig.colorTextBase,
         fontSize: commonConfig.fontSizeSubHead,
-      ).merge(cancelStyle),
+      ).merge(_cancelStyle),
     );
-    topRadius ??= commonConfig.radiusLg;
+    _topRadius ??= commonConfig.radiusLg;
   }
 
   BrnActionSheetConfig copyWith({
@@ -189,41 +243,34 @@ class BrnActionSheetConfig extends BrnBaseConfig {
     EdgeInsets? titlePadding,
   }) {
     return BrnActionSheetConfig(
-      titleStyle: titleStyle ?? this.titleStyle,
-      itemTitleStyle: itemTitleStyle ?? this.itemTitleStyle,
-      itemTitleStyleLink: itemTitleStyleLink ?? this.itemTitleStyleLink,
-      itemTitleStyleAlert: itemTitleStyleAlert ?? this.itemTitleStyleAlert,
-      itemDescStyle: itemDescStyle ?? this.itemDescStyle,
-      itemDescStyleLink: itemDescStyleLink ?? this.itemDescStyleLink,
-      itemDescStyleAlert: itemDescStyleAlert ?? this.itemDescStyleAlert,
-      cancelStyle: cancelStyle ?? this.cancelStyle,
-      topRadius: topRadius ?? this.topRadius,
-      contentPadding: contentPadding ?? this.contentPadding,
-      titlePadding: titlePadding ?? this.titlePadding,
+      titleStyle: titleStyle ?? _titleStyle,
+      itemTitleStyle: itemTitleStyle ?? _itemTitleStyle,
+      itemTitleStyleLink: itemTitleStyleLink ?? _itemTitleStyleLink,
+      itemTitleStyleAlert: itemTitleStyleAlert ?? _itemTitleStyleAlert,
+      itemDescStyle: itemDescStyle ?? _itemDescStyle,
+      itemDescStyleLink: itemDescStyleLink ?? _itemDescStyleLink,
+      itemDescStyleAlert: itemDescStyleAlert ?? _itemDescStyleAlert,
+      cancelStyle: cancelStyle ?? _cancelStyle,
+      topRadius: topRadius ?? _topRadius,
+      contentPadding: contentPadding ?? _contentPadding,
+      titlePadding: titlePadding ?? _titlePadding,
     );
   }
 
   BrnActionSheetConfig merge(BrnActionSheetConfig? other) {
     if (other == null) return this;
     return copyWith(
-      titleStyle: titleStyle?.merge(other.titleStyle) ?? other.titleStyle,
-      itemTitleStyle:
-          itemTitleStyle?.merge(other.itemTitleStyle) ?? other.itemTitleStyle,
-      itemTitleStyleLink: itemTitleStyleLink?.merge(other.itemTitleStyleLink) ??
-          other.itemTitleStyleLink,
-      itemTitleStyleAlert:
-          itemTitleStyleAlert?.merge(other.itemTitleStyleAlert) ??
-              other.itemTitleStyleAlert,
-      itemDescStyle:
-          itemDescStyle?.merge(other.itemDescStyle) ?? other.itemDescStyle,
-      itemDescStyleLink: itemDescStyleLink?.merge(other.itemDescStyleLink) ??
-          other.itemDescStyleLink,
-      itemDescStyleAlert: itemDescStyleAlert?.merge(other.itemDescStyleAlert) ??
-          other.itemDescStyleAlert,
-      cancelStyle: cancelStyle?.merge(other.cancelStyle) ?? other.cancelStyle,
-      topRadius: other.topRadius,
-      contentPadding: other.contentPadding,
-      titlePadding: other.titlePadding,
+      titleStyle: titleStyle.merge(other._titleStyle),
+      itemTitleStyle: itemTitleStyle.merge(other._itemTitleStyle),
+      itemTitleStyleLink: itemTitleStyleLink.merge(other._itemTitleStyleLink),
+      itemTitleStyleAlert: itemTitleStyleAlert.merge(other._itemTitleStyleAlert),
+      itemDescStyle: itemDescStyle.merge(other._itemDescStyle),
+      itemDescStyleLink: itemDescStyleLink.merge(other._itemDescStyleLink),
+      itemDescStyleAlert: itemDescStyleAlert.merge(other._itemDescStyleAlert),
+      cancelStyle: cancelStyle.merge(other._cancelStyle),
+      topRadius: other._topRadius,
+      contentPadding: other._contentPadding,
+      titlePadding: other._titlePadding,
     );
   }
 }
diff --git a/lib/src/theme/configs/brn_all_config.dart b/lib/src/theme/configs/brn_all_config.dart
index 5d5712ff..fe244f36 100644
--- a/lib/src/theme/configs/brn_all_config.dart
+++ b/lib/src/theme/configs/brn_all_config.dart
@@ -1,3 +1,4 @@
+import 'package:bruno/bruno.dart';
 import 'package:bruno/src/theme/brn_theme_configurator.dart';
 import 'package:bruno/src/theme/configs/brn_abnormal_state_config.dart';
 import 'package:bruno/src/theme/configs/brn_action_sheet_config.dart';
@@ -24,119 +25,199 @@ import 'package:bruno/src/theme/configs/brn_tag_config.dart';
 /// 当没有配置组件的特定属性时使用上一级特定配置
 class BrnAllThemeConfig {
   BrnAllThemeConfig({
-    required this.commonConfig,
-    this.appBarConfig,
-    this.buttonConfig,
-    this.dialogConfig,
-    this.formItemConfig,
-    this.cardTitleConfig,
-    this.abnormalStateConfig,
-    this.tagConfig,
-    this.pairInfoTableConfig,
-    this.pairRichInfoGridConfig,
-    this.actionSheetConfig,
-    this.pickerConfig,
-    this.enhanceNumberCardConfig,
-    this.tabBarConfig,
-    this.selectionConfig,
-    this.galleryDetailConfig,
+    BrnCommonConfig? commonConfig,
+    BrnAppBarConfig? appBarConfig,
+    BrnButtonConfig? buttonConfig,
+    BrnDialogConfig? dialogConfig,
+    BrnFormItemConfig? formItemConfig,
+    BrnCardTitleConfig? cardTitleConfig,
+    BrnAbnormalStateConfig? abnormalStateConfig,
+    BrnTagConfig? tagConfig,
+    BrnPairInfoTableConfig? pairInfoTableConfig,
+    BrnPairRichInfoGridConfig? pairRichInfoGridConfig,
+    BrnActionSheetConfig? actionSheetConfig,
+    BrnPickerConfig? pickerConfig,
+    BrnEnhanceNumberCardConfig? enhanceNumberCardConfig,
+    BrnTabBarConfig? tabBarConfig,
+    BrnSelectionConfig? selectionConfig,
+    BrnGalleryDetailConfig? galleryDetailConfig,
     String configId = GLOBAL_CONFIG_ID,
-  });
-
-  BrnCommonConfig? commonConfig;
-  BrnAppBarConfig? appBarConfig;
-  BrnButtonConfig? buttonConfig;
-  BrnDialogConfig? dialogConfig;
-  BrnCardTitleConfig? cardTitleConfig;
-  BrnAbnormalStateConfig? abnormalStateConfig;
-  BrnTagConfig? tagConfig;
-  BrnPairInfoTableConfig? pairInfoTableConfig;
-  BrnPairRichInfoGridConfig? pairRichInfoGridConfig;
-  BrnActionSheetConfig? actionSheetConfig;
-  BrnPickerConfig? pickerConfig;
-  BrnEnhanceNumberCardConfig? enhanceNumberCardConfig;
-  BrnTabBarConfig? tabBarConfig;
-  BrnFormItemConfig? formItemConfig;
-  BrnSelectionConfig? selectionConfig;
-  BrnGalleryDetailConfig? galleryDetailConfig;
+  })  : _commonConfig = commonConfig,
+        _appBarConfig = appBarConfig,
+        _buttonConfig = buttonConfig,
+        _dialogConfig = dialogConfig,
+        _formItemConfig = formItemConfig,
+        _cardTitleConfig = cardTitleConfig,
+        _abnormalStateConfig = abnormalStateConfig,
+        _tagConfig = tagConfig,
+        _pairInfoTableConfig = pairInfoTableConfig,
+        _pairRichInfoGridConfig = pairRichInfoGridConfig,
+        _actionSheetConfig = actionSheetConfig,
+        _pickerConfig = pickerConfig,
+        _enhanceNumberCardConfig = enhanceNumberCardConfig,
+        _tabBarConfig = tabBarConfig,
+        _selectionConfig = selectionConfig,
+        _galleryDetailConfig = galleryDetailConfig;
+
+  BrnCommonConfig? _commonConfig;
+
+  BrnCommonConfig get commonConfig =>
+      _commonConfig ?? BrnDefaultConfigUtils.defaultCommonConfig;
+
+  BrnAppBarConfig? _appBarConfig;
+
+  BrnAppBarConfig get appBarConfig =>
+      _appBarConfig ?? BrnDefaultConfigUtils.defaultAppBarConfig;
+
+  BrnButtonConfig? _buttonConfig;
+
+  BrnButtonConfig get buttonConfig =>
+      _buttonConfig ?? BrnDefaultConfigUtils.defaultButtonConfig;
+
+  BrnDialogConfig? _dialogConfig;
+
+  BrnDialogConfig get dialogConfig =>
+      _dialogConfig ?? BrnDefaultConfigUtils.defaultDialogConfig;
+
+  BrnCardTitleConfig? _cardTitleConfig;
+
+  BrnCardTitleConfig get cardTitleConfig =>
+      _cardTitleConfig ?? BrnDefaultConfigUtils.defaultCardTitleConfig;
+
+  BrnAbnormalStateConfig? _abnormalStateConfig;
+
+  BrnAbnormalStateConfig get abnormalStateConfig =>
+      _abnormalStateConfig ?? BrnDefaultConfigUtils.defaultAbnormalStateConfig;
+
+  BrnTagConfig? _tagConfig;
+
+  BrnTagConfig get tagConfig =>
+      _tagConfig ?? BrnDefaultConfigUtils.defaultTagConfig;
+
+  BrnPairInfoTableConfig? _pairInfoTableConfig;
+
+  BrnPairInfoTableConfig get pairInfoTableConfig =>
+      _pairInfoTableConfig ?? BrnDefaultConfigUtils.defaultPairInfoTableConfig;
+
+  BrnPairRichInfoGridConfig? _pairRichInfoGridConfig;
+
+  BrnPairRichInfoGridConfig get pairRichInfoGridConfig =>
+      _pairRichInfoGridConfig ??
+      BrnDefaultConfigUtils.defaultPairRichInfoGridConfig;
+
+  BrnActionSheetConfig? _actionSheetConfig;
+
+  BrnActionSheetConfig get actionSheetConfig =>
+      _actionSheetConfig ?? BrnDefaultConfigUtils.defaultActionSheetConfig;
+
+  BrnPickerConfig? _pickerConfig;
+
+  BrnPickerConfig get pickerConfig =>
+      _pickerConfig ?? BrnDefaultConfigUtils.defaultPickerConfig;
+
+  BrnEnhanceNumberCardConfig? _enhanceNumberCardConfig;
+
+  BrnEnhanceNumberCardConfig get enhanceNumberCardConfig =>
+      _enhanceNumberCardConfig ??
+      BrnDefaultConfigUtils.defaultEnhanceNumberInfoConfig;
+
+  BrnTabBarConfig? _tabBarConfig;
+
+  BrnTabBarConfig get tabBarConfig =>
+      _tabBarConfig ?? BrnDefaultConfigUtils.defaultTabBarConfig;
+
+  BrnFormItemConfig? _formItemConfig;
+
+  BrnFormItemConfig get formItemConfig =>
+      _formItemConfig ?? BrnDefaultConfigUtils.defaultFormItemConfig;
+
+  BrnSelectionConfig? _selectionConfig;
+
+  BrnSelectionConfig get selectionConfig =>
+      _selectionConfig ?? BrnDefaultConfigUtils.defaultSelectionConfig;
+
+  BrnGalleryDetailConfig? _galleryDetailConfig;
+
+  BrnGalleryDetailConfig get galleryDetailConfig =>
+      _galleryDetailConfig ?? BrnDefaultConfigUtils.defaultGalleryDetailConfig;
 
   void initThemeConfig(String configId) {
-    this.commonConfig ??= BrnCommonConfig();
-    this.appBarConfig ??= BrnAppBarConfig();
-    this.buttonConfig ??= BrnButtonConfig();
-    this.dialogConfig ??= BrnDialogConfig();
-    this.formItemConfig ??= BrnFormItemConfig();
-    this.cardTitleConfig ??= BrnCardTitleConfig();
-    this.abnormalStateConfig ??= BrnAbnormalStateConfig();
-    this.tagConfig ??= BrnTagConfig();
-    this.appBarConfig ??= BrnAppBarConfig();
-    this.pairInfoTableConfig ??= BrnPairInfoTableConfig();
-    this.pairRichInfoGridConfig ??= BrnPairRichInfoGridConfig();
-    this.actionSheetConfig ??= BrnActionSheetConfig();
-    this.pickerConfig ??= BrnPickerConfig();
-    this.enhanceNumberCardConfig ??= BrnEnhanceNumberCardConfig();
-    this.tabBarConfig ??= BrnTabBarConfig();
-    this.selectionConfig ??= BrnSelectionConfig();
-    this.galleryDetailConfig ??= BrnGalleryDetailConfig();
-
-    commonConfig?.initThemeConfig(configId);
-    appBarConfig?.initThemeConfig(
+    this._commonConfig ??= BrnCommonConfig();
+    this._appBarConfig ??= BrnAppBarConfig();
+    this._buttonConfig ??= BrnButtonConfig();
+    this._dialogConfig ??= BrnDialogConfig();
+    this._formItemConfig ??= BrnFormItemConfig();
+    this._cardTitleConfig ??= BrnCardTitleConfig();
+    this._abnormalStateConfig ??= BrnAbnormalStateConfig();
+    this._tagConfig ??= BrnTagConfig();
+    this._appBarConfig ??= BrnAppBarConfig();
+    this._pairInfoTableConfig ??= BrnPairInfoTableConfig();
+    this._pairRichInfoGridConfig ??= BrnPairRichInfoGridConfig();
+    this._actionSheetConfig ??= BrnActionSheetConfig();
+    this._pickerConfig ??= BrnPickerConfig();
+    this._enhanceNumberCardConfig ??= BrnEnhanceNumberCardConfig();
+    this._tabBarConfig ??= BrnTabBarConfig();
+    this._selectionConfig ??= BrnSelectionConfig();
+    this._galleryDetailConfig ??= BrnGalleryDetailConfig();
+
+    commonConfig.initThemeConfig(configId);
+    appBarConfig.initThemeConfig(
       configId,
       currentLevelCommonConfig: commonConfig,
     );
-    buttonConfig?.initThemeConfig(
+    buttonConfig.initThemeConfig(
       configId,
       currentLevelCommonConfig: commonConfig,
     );
-    dialogConfig?.initThemeConfig(
+    dialogConfig.initThemeConfig(
       configId,
       currentLevelCommonConfig: commonConfig,
     );
-    formItemConfig?.initThemeConfig(
+    formItemConfig.initThemeConfig(
       configId,
       currentLevelCommonConfig: commonConfig,
     );
-    cardTitleConfig?.initThemeConfig(
+    cardTitleConfig.initThemeConfig(
       configId,
       currentLevelCommonConfig: commonConfig,
     );
-    abnormalStateConfig?.initThemeConfig(
+    abnormalStateConfig.initThemeConfig(
       configId,
       currentLevelCommonConfig: commonConfig,
     );
-    tagConfig?.initThemeConfig(
+    tagConfig.initThemeConfig(
       configId,
       currentLevelCommonConfig: commonConfig,
     );
-    pairInfoTableConfig?.initThemeConfig(
+    pairInfoTableConfig.initThemeConfig(
       configId,
       currentLevelCommonConfig: commonConfig,
     );
-    pairRichInfoGridConfig?.initThemeConfig(
+    pairRichInfoGridConfig.initThemeConfig(
       configId,
       currentLevelCommonConfig: commonConfig,
     );
-    selectionConfig?.initThemeConfig(
+    selectionConfig.initThemeConfig(
       configId,
       currentLevelCommonConfig: commonConfig,
     );
-    actionSheetConfig?.initThemeConfig(
+    actionSheetConfig.initThemeConfig(
       configId,
       currentLevelCommonConfig: commonConfig,
     );
-    pickerConfig?.initThemeConfig(
+    pickerConfig.initThemeConfig(
       configId,
       currentLevelCommonConfig: commonConfig,
     );
-    enhanceNumberCardConfig?.initThemeConfig(
+    enhanceNumberCardConfig.initThemeConfig(
       configId,
       currentLevelCommonConfig: commonConfig,
     );
-    tabBarConfig?.initThemeConfig(
+    tabBarConfig.initThemeConfig(
       configId,
       currentLevelCommonConfig: commonConfig,
     );
-    galleryDetailConfig?.initThemeConfig(
+    galleryDetailConfig.initThemeConfig(
       configId,
       currentLevelCommonConfig: commonConfig,
     );
diff --git a/lib/src/theme/configs/brn_appbar_config.dart b/lib/src/theme/configs/brn_appbar_config.dart
index fbcf1479..a220c951 100644
--- a/lib/src/theme/configs/brn_appbar_config.dart
+++ b/lib/src/theme/configs/brn_appbar_config.dart
@@ -2,6 +2,7 @@ import 'package:bruno/src/components/navbar/brn_appbar_theme.dart';
 import 'package:bruno/src/constants/brn_asset_constants.dart';
 import 'package:bruno/src/constants/brn_strings_constants.dart';
 import 'package:bruno/src/theme/base/brn_base_config.dart';
+import 'package:bruno/src/theme/base/brn_default_config_utils.dart';
 import 'package:bruno/src/theme/base/brn_text_style.dart';
 import 'package:bruno/src/theme/brn_theme_configurator.dart';
 import 'package:bruno/src/theme/configs/brn_common_config.dart';
@@ -15,106 +16,130 @@ class BrnAppBarConfig extends BrnBaseConfig {
   /// BrnAppBar 主题配置，遵循外部主题配置
   /// 默认为 [BrnDefaultConfigUtils.defaultAppBarConfig]
   BrnAppBarConfig({
-    this.backgroundColor,
-    this.appBarHeight,
-    this.leadIconBuilder,
-    this.titleStyle,
-    this.actionsStyle,
-    this.titleMaxLength,
-    this.leftAndRightPadding,
-    this.itemSpacing,
-    this.titlePadding,
-    this.iconSize,
-    this.flexibleSpace,
-    this.systemUiOverlayStyle,
+    Color? backgroundColor,
+    double? appBarHeight,
+    BrnWidgetBuilder? leadIconBuilder,
+    BrnTextStyle? titleStyle,
+    BrnTextStyle? actionsStyle,
+    int? titleMaxLength,
+    double? leftAndRightPadding,
+    double? itemSpacing,
+    EdgeInsets? titlePadding,
+    double? iconSize,
+    SystemUiOverlayStyle? systemUiOverlayStyle,
     String configId = GLOBAL_CONFIG_ID,
-  }) : super(configId: configId);
+  })  : _backgroundColor = backgroundColor,
+        _appBarHeight = appBarHeight,
+        _leadIconBuilder = leadIconBuilder,
+        _titleStyle = titleStyle,
+        _actionsStyle = actionsStyle,
+        _titleMaxLength = titleMaxLength,
+        _leftAndRightPadding = leftAndRightPadding,
+        _itemSpacing = itemSpacing,
+        _titlePadding = titlePadding,
+        _iconSize = iconSize,
+        _systemUiOverlayStyle = systemUiOverlayStyle,
+        super(configId: configId);
 
   BrnAppBarConfig.dark({
-    this.backgroundColor,
-    this.appBarHeight,
-    this.leadIconBuilder,
-    this.titleStyle,
-    this.actionsStyle,
-    this.titleMaxLength,
-    this.leftAndRightPadding,
-    this.itemSpacing,
-    this.titlePadding,
-    this.iconSize,
-    this.flexibleSpace,
-    this.systemUiOverlayStyle,
+    double? appBarHeight,
+    int? titleMaxLength,
+    double? leftAndRightPadding,
+    double? itemSpacing,
+    EdgeInsets? titlePadding,
+    double? iconSize,
     String configId = GLOBAL_CONFIG_ID,
-  }) : super(configId: configId) {
-    backgroundColor = Color(0xff2E313B);
-    leadIconBuilder = () => Image.asset(
-          BrnAsset.ICON_BACK_WHITE,
-          package: BrnStrings.flutterPackageName,
-          width: BrnAppBarTheme.iconSize,
-          height: BrnAppBarTheme.iconSize,
-          fit: BoxFit.fitHeight,
-        );
-    titleStyle = BrnTextStyle(
+  })  : _appBarHeight = appBarHeight,
+        _titleMaxLength = titleMaxLength,
+        _leftAndRightPadding = leftAndRightPadding,
+        _itemSpacing = itemSpacing,
+        _titlePadding = titlePadding,
+        _iconSize = iconSize,
+        super(configId: configId) {
+    _backgroundColor = Color(0xff2E313B);
+    _leadIconBuilder = () => Image.asset(
+      BrnAsset.ICON_BACK_WHITE,
+      package: BrnStrings.flutterPackageName,
+      width: BrnAppBarTheme.iconSize,
+      height: BrnAppBarTheme.iconSize,
+      fit: BoxFit.fitHeight,
+    );
+    _titleStyle = BrnTextStyle(
       fontSize: BrnAppBarTheme.titleFontSize,
       fontWeight: FontWeight.w600,
       color: BrnAppBarTheme.darkTextColor,
     );
-    actionsStyle = BrnTextStyle(
+    _actionsStyle = BrnTextStyle(
       color: BrnAppBarTheme.darkTextColor,
       fontSize: BrnAppBarTheme.actionFontSize,
       fontWeight: FontWeight.w600,
     );
-    systemUiOverlayStyle = SystemUiOverlayStyle.light;
+    _systemUiOverlayStyle = SystemUiOverlayStyle.light;
   }
 
   BrnAppBarConfig.light({
-    this.backgroundColor,
-    this.appBarHeight,
-    this.leadIconBuilder,
-    this.titleStyle,
-    this.actionsStyle,
-    this.titleMaxLength,
-    this.leftAndRightPadding,
-    this.itemSpacing,
-    this.titlePadding,
-    this.iconSize,
-    this.flexibleSpace,
-    this.systemUiOverlayStyle,
+    double? appBarHeight,
+    int? titleMaxLength,
+    double? leftAndRightPadding,
+    double? itemSpacing,
+    EdgeInsets? titlePadding,
+    double? iconSize,
     String configId = GLOBAL_CONFIG_ID,
-  }) : super(configId: configId) {
-    backgroundColor = Colors.white;
-    leadIconBuilder = () => Image.asset(
-          BrnAsset.ICON_BACK_BLACK,
-          package: BrnStrings.flutterPackageName,
-          width: BrnAppBarTheme.iconSize,
-          height: BrnAppBarTheme.iconSize,
-          fit: BoxFit.fitHeight,
-        );
-    titleStyle = BrnTextStyle(
+  })  : _appBarHeight = appBarHeight,
+        _titleMaxLength = titleMaxLength,
+        _leftAndRightPadding = leftAndRightPadding,
+        _itemSpacing = itemSpacing,
+        _titlePadding = titlePadding,
+        _iconSize = iconSize,
+        super(configId: configId) {
+    _backgroundColor = Colors.white;
+    _leadIconBuilder = () => Image.asset(
+      BrnAsset.ICON_BACK_BLACK,
+      package: BrnStrings.flutterPackageName,
+      width: BrnAppBarTheme.iconSize,
+      height: BrnAppBarTheme.iconSize,
+      fit: BoxFit.fitHeight,
+    );
+    _titleStyle = BrnTextStyle(
       fontSize: BrnAppBarTheme.titleFontSize,
       fontWeight: FontWeight.w600,
       color: BrnAppBarTheme.lightTextColor,
     );
-    actionsStyle = BrnTextStyle(
+    _actionsStyle = BrnTextStyle(
       color: BrnAppBarTheme.lightTextColor,
       fontSize: BrnAppBarTheme.actionFontSize,
       fontWeight: FontWeight.w600,
     );
-    systemUiOverlayStyle = SystemUiOverlayStyle.dark;
+    _systemUiOverlayStyle = SystemUiOverlayStyle.dark;
   }
 
   /// AppBar 的背景色
-  Color? backgroundColor;
+  Color? _backgroundColor;
+
+  Color get backgroundColor =>
+      _backgroundColor ??
+          BrnDefaultConfigUtils.defaultAppBarConfig.backgroundColor;
 
   /// AppBar 的高度
-  double? appBarHeight;
+  double? _appBarHeight;
+
+  double get appBarHeight =>
+      _appBarHeight ?? BrnDefaultConfigUtils.defaultAppBarConfig.appBarHeight;
 
   /// 返回按钮的child widget，一般为Image
-  BrnWidgetBuilder? leadIconBuilder;
+  BrnWidgetBuilder? _leadIconBuilder;
+
+  BrnWidgetBuilder get leadIconBuilder =>
+      _leadIconBuilder ??
+          BrnDefaultConfigUtils.defaultAppBarConfig.leadIconBuilder;
 
   /// 标题样式，仅当直接 title 设置为 String 生效
   ///
   /// **注意**：`fontSize` 必须传大小，否则报错
-  BrnTextStyle? titleStyle;
+  BrnTextStyle? _titleStyle;
+
+  BrnTextStyle get titleStyle =>
+      _titleStyle ?? BrnDefaultConfigUtils.defaultAppBarConfig.titleStyle;
 
   /// 右侧文字按钮样式，仅当直接actions里面元素为BrnTextAction类型生效
   ///
@@ -125,58 +150,78 @@ class BrnAppBarConfig extends BrnBaseConfig {
   ///   fontSize: BrnAppBarTheme.actionFontSize,
   ///   fontWeight: FontWeight.w600,
   /// )
-  BrnTextStyle? actionsStyle;
+  BrnTextStyle? _actionsStyle;
+
+  BrnTextStyle get actionsStyle =>
+      _actionsStyle ?? BrnDefaultConfigUtils.defaultAppBarConfig.actionsStyle;
 
   /// AppBar title 的最大字符数 8
-  int? titleMaxLength;
+  int? _titleMaxLength;
+
+  int get titleMaxLength =>
+      _titleMaxLength ??
+          BrnDefaultConfigUtils.defaultAppBarConfig.titleMaxLength;
 
   /// 左右边距
-  double? leftAndRightPadding;
+  double? _leftAndRightPadding;
+
+  double get leftAndRightPadding =>
+      _leftAndRightPadding ??
+          BrnDefaultConfigUtils.defaultAppBarConfig.leftAndRightPadding;
 
   /// 元素间间距
-  double? itemSpacing;
+  double? _itemSpacing;
+
+  double get itemSpacing =>
+      _itemSpacing ?? BrnDefaultConfigUtils.defaultAppBarConfig.itemSpacing;
 
   /// title的padding
-  EdgeInsets? titlePadding;
+  EdgeInsets? _titlePadding;
+
+  EdgeInsets get titlePadding =>
+      _titlePadding ?? BrnDefaultConfigUtils.defaultAppBarConfig.titlePadding;
 
   /// leadIcon 宽高，需要相同
   /// 默认为 20
-  double? iconSize;
+  double? _iconSize;
 
-  /// [AppBar] 中 flexibleSpace
-  Widget? flexibleSpace;
+  double get iconSize =>
+      _iconSize ?? BrnDefaultConfigUtils.defaultAppBarConfig.iconSize;
 
   /// statusBar 样式
   /// 默认为 [SystemUiOverlayStyle.dark]
-  SystemUiOverlayStyle? systemUiOverlayStyle;
+  SystemUiOverlayStyle? _systemUiOverlayStyle;
+
+  SystemUiOverlayStyle get systemUiOverlayStyle =>
+      _systemUiOverlayStyle ??
+          BrnDefaultConfigUtils.defaultAppBarConfig.systemUiOverlayStyle;
 
   @override
   void initThemeConfig(
-    String configId, {
-    BrnCommonConfig? currentLevelCommonConfig,
-  }) {
+      String configId, {
+        BrnCommonConfig? currentLevelCommonConfig,
+      }) {
     super.initThemeConfig(
       configId,
       currentLevelCommonConfig: currentLevelCommonConfig,
     );
 
     /// 用户全局组件配置
-    BrnAppBarConfig? appbarConfig = BrnThemeConfigurator.instance
+    BrnAppBarConfig appbarConfig = BrnThemeConfigurator.instance
         .getConfig(configId: configId)
         .appBarConfig;
 
-    this.backgroundColor ??= appbarConfig?.backgroundColor;
-    this.appBarHeight ??= appbarConfig?.appBarHeight;
-    this.leadIconBuilder ??= appbarConfig?.leadIconBuilder;
-    this.titleStyle = appbarConfig?.titleStyle?.merge(titleStyle);
-    this.actionsStyle = appbarConfig?.actionsStyle?.merge(actionsStyle);
-    this.titleMaxLength ??= appbarConfig?.titleMaxLength;
-    this.leftAndRightPadding ??= appbarConfig?.leftAndRightPadding;
-    this.itemSpacing ??= appbarConfig?.itemSpacing;
-    this.titlePadding ??= appbarConfig?.titlePadding;
-    this.iconSize ??= appbarConfig?.iconSize;
-    this.flexibleSpace ??= appbarConfig?.flexibleSpace;
-    this.systemUiOverlayStyle ??= appbarConfig?.systemUiOverlayStyle;
+    _backgroundColor ??= appbarConfig._backgroundColor;
+    _appBarHeight ??= appbarConfig._appBarHeight;
+    _leadIconBuilder ??= appbarConfig._leadIconBuilder;
+    _titleStyle = appbarConfig.titleStyle.merge(_titleStyle);
+    _actionsStyle = appbarConfig.actionsStyle.merge(_actionsStyle);
+    _titleMaxLength ??= appbarConfig._titleMaxLength;
+    _leftAndRightPadding ??= appbarConfig._leftAndRightPadding;
+    _itemSpacing ??= appbarConfig._itemSpacing;
+    _titlePadding ??= appbarConfig._titlePadding;
+    _iconSize ??= appbarConfig._iconSize;
+    _systemUiOverlayStyle ??= appbarConfig._systemUiOverlayStyle;
   }
 
   BrnAppBarConfig copyWith({
@@ -190,41 +235,37 @@ class BrnAppBarConfig extends BrnBaseConfig {
     double? itemSpacing,
     EdgeInsets? titlePadding,
     double? iconSize,
-    Widget? flexibleSpace,
     SystemUiOverlayStyle? systemUiOverlayStyle,
   }) {
     return BrnAppBarConfig(
-      backgroundColor: backgroundColor ?? this.backgroundColor,
-      appBarHeight: appBarHeight ?? this.appBarHeight,
-      leadIconBuilder: leadIconBuilder ?? this.leadIconBuilder,
-      titleStyle: titleStyle ?? this.titleStyle,
-      actionsStyle: actionsStyle ?? this.actionsStyle,
-      titleMaxLength: titleMaxLength ?? this.titleMaxLength,
-      leftAndRightPadding: leftAndRightPadding ?? this.leftAndRightPadding,
-      itemSpacing: itemSpacing ?? this.itemSpacing,
-      titlePadding: titlePadding ?? this.titlePadding,
-      iconSize: iconSize ?? this.iconSize,
-      flexibleSpace: flexibleSpace ?? this.flexibleSpace,
-      systemUiOverlayStyle: systemUiOverlayStyle ?? this.systemUiOverlayStyle,
+      backgroundColor: backgroundColor ?? _backgroundColor,
+      appBarHeight: appBarHeight ?? _appBarHeight,
+      leadIconBuilder: leadIconBuilder ?? _leadIconBuilder,
+      titleStyle: titleStyle ?? _titleStyle,
+      actionsStyle: actionsStyle ?? _actionsStyle,
+      titleMaxLength: titleMaxLength ?? _titleMaxLength,
+      leftAndRightPadding: leftAndRightPadding ?? _leftAndRightPadding,
+      itemSpacing: itemSpacing ?? _itemSpacing,
+      titlePadding: titlePadding ?? _titlePadding,
+      iconSize: iconSize ?? _iconSize,
+      systemUiOverlayStyle: systemUiOverlayStyle ?? _systemUiOverlayStyle,
     );
   }
 
   BrnAppBarConfig merge(BrnAppBarConfig? other) {
     if (other == null) return this;
     return copyWith(
-      backgroundColor: other.backgroundColor,
-      appBarHeight: other.appBarHeight,
-      leadIconBuilder: other.leadIconBuilder,
-      titleStyle: titleStyle?.merge(other.titleStyle) ?? other.titleStyle,
-      actionsStyle:
-          actionsStyle?.merge(other.actionsStyle) ?? other.actionsStyle,
-      titleMaxLength: other.titleMaxLength,
-      leftAndRightPadding: other.leftAndRightPadding,
-      itemSpacing: other.itemSpacing,
-      titlePadding: other.titlePadding,
-      iconSize: other.iconSize,
-      flexibleSpace: other.flexibleSpace,
-      systemUiOverlayStyle: other.systemUiOverlayStyle,
+      backgroundColor: other._backgroundColor,
+      appBarHeight: other._appBarHeight,
+      leadIconBuilder: other._leadIconBuilder,
+      titleStyle: titleStyle.merge(other._titleStyle),
+      actionsStyle: actionsStyle.merge(other._actionsStyle),
+      titleMaxLength: other._titleMaxLength,
+      leftAndRightPadding: other._leftAndRightPadding,
+      itemSpacing: other._itemSpacing,
+      titlePadding: other._titlePadding,
+      iconSize: other._iconSize,
+      systemUiOverlayStyle: other._systemUiOverlayStyle,
     );
   }
 }
diff --git a/lib/src/theme/configs/brn_button_config.dart b/lib/src/theme/configs/brn_button_config.dart
index 7dafe47a..d6e29919 100644
--- a/lib/src/theme/configs/brn_button_config.dart
+++ b/lib/src/theme/configs/brn_button_config.dart
@@ -1,4 +1,5 @@
 import 'package:bruno/src/theme/base/brn_base_config.dart';
+import 'package:bruno/src/theme/base/brn_default_config_utils.dart';
 import 'package:bruno/src/theme/brn_theme_configurator.dart';
 import 'package:bruno/src/theme/configs/brn_common_config.dart';
 
@@ -7,32 +8,62 @@ class BrnButtonConfig extends BrnBaseConfig {
   /// 遵循外部主题配置
   /// 默认为 [BrnDefaultConfigUtils.defaultButtonConfig]
   BrnButtonConfig({
-    this.bigButtonRadius,
-    this.bigButtonHeight,
-    this.bigButtonFontSize,
-    this.smallButtonRadius,
-    this.smallButtonHeight,
-    this.smallButtonFontSize,
+    double? bigButtonRadius,
+    double? bigButtonHeight,
+    double? bigButtonFontSize,
+    double? smallButtonRadius,
+    double? smallButtonHeight,
+    double? smallButtonFontSize,
     String configId = GLOBAL_CONFIG_ID,
-  }) : super(configId: configId);
+  })  : _bigButtonRadius = bigButtonRadius,
+        _bigButtonHeight = bigButtonHeight,
+        _bigButtonFontSize = bigButtonFontSize,
+        _smallButtonRadius = smallButtonRadius,
+        _smallButtonHeight = smallButtonHeight,
+        _smallButtonFontSize = smallButtonFontSize,
+        super(configId: configId);
 
   /// 默认为 6
-  double? bigButtonRadius;
+  double? _bigButtonRadius;
+
+  double get bigButtonRadius =>
+      _bigButtonRadius ??
+      BrnDefaultConfigUtils.defaultButtonConfig.bigButtonRadius;
 
   /// 默认为 48
-  double? bigButtonHeight;
+  double? _bigButtonHeight;
+
+  double get bigButtonHeight =>
+      _bigButtonHeight ??
+      BrnDefaultConfigUtils.defaultButtonConfig.bigButtonHeight;
 
   /// 默认为 16
-  double? bigButtonFontSize;
+  double? _bigButtonFontSize;
+
+  double get bigButtonFontSize =>
+      _bigButtonFontSize ??
+      BrnDefaultConfigUtils.defaultButtonConfig.bigButtonFontSize;
 
   /// 默认为 4
-  double? smallButtonRadius;
+  double? _smallButtonRadius;
+
+  double get smallButtonRadius =>
+      _smallButtonRadius ??
+      BrnDefaultConfigUtils.defaultButtonConfig.smallButtonRadius;
 
   /// 默认为 32
-  double? smallButtonHeight;
+  double? _smallButtonHeight;
+
+  double get smallButtonHeight =>
+      _smallButtonHeight ??
+      BrnDefaultConfigUtils.defaultButtonConfig.smallButtonHeight;
 
   /// 默认为 14
-  double? smallButtonFontSize;
+  double? _smallButtonFontSize;
+
+  double get smallButtonFontSize =>
+      _smallButtonFontSize ??
+      BrnDefaultConfigUtils.defaultButtonConfig.smallButtonFontSize;
 
   @override
   void initThemeConfig(
@@ -44,16 +75,16 @@ class BrnButtonConfig extends BrnBaseConfig {
       currentLevelCommonConfig: currentLevelCommonConfig,
     );
 
-    BrnButtonConfig? userConfig = BrnThemeConfigurator.instance
+    BrnButtonConfig userConfig = BrnThemeConfigurator.instance
         .getConfig(configId: configId)
         .buttonConfig;
 
-    bigButtonRadius ??= userConfig?.bigButtonRadius;
-    bigButtonHeight ??= userConfig?.bigButtonHeight;
-    bigButtonFontSize ??= userConfig?.bigButtonFontSize;
-    smallButtonRadius ??= userConfig?.smallButtonRadius;
-    smallButtonHeight ??= userConfig?.smallButtonHeight;
-    smallButtonFontSize ??= userConfig?.smallButtonFontSize;
+    _bigButtonRadius ??= userConfig._bigButtonRadius;
+    _bigButtonHeight ??= userConfig._bigButtonHeight;
+    _bigButtonFontSize ??= userConfig._bigButtonFontSize;
+    _smallButtonRadius ??= userConfig._smallButtonRadius;
+    _smallButtonHeight ??= userConfig._smallButtonHeight;
+    _smallButtonFontSize ??= userConfig._smallButtonFontSize;
   }
 
   BrnButtonConfig copyWith({
@@ -65,24 +96,24 @@ class BrnButtonConfig extends BrnBaseConfig {
     double? smallButtonFontSize,
   }) {
     return BrnButtonConfig(
-      bigButtonRadius: bigButtonRadius ?? this.bigButtonRadius,
-      bigButtonHeight: bigButtonHeight ?? this.bigButtonHeight,
-      bigButtonFontSize: bigButtonFontSize ?? this.bigButtonFontSize,
-      smallButtonRadius: smallButtonRadius ?? this.smallButtonRadius,
-      smallButtonHeight: smallButtonHeight ?? this.smallButtonHeight,
-      smallButtonFontSize: smallButtonFontSize ?? this.smallButtonFontSize,
+      bigButtonRadius: bigButtonRadius ?? _bigButtonRadius,
+      bigButtonHeight: bigButtonHeight ?? _bigButtonHeight,
+      bigButtonFontSize: bigButtonFontSize ?? _bigButtonFontSize,
+      smallButtonRadius: smallButtonRadius ?? _smallButtonRadius,
+      smallButtonHeight: smallButtonHeight ?? _smallButtonHeight,
+      smallButtonFontSize: smallButtonFontSize ?? _smallButtonFontSize,
     );
   }
 
   BrnButtonConfig merge(BrnButtonConfig? other) {
     if (other == null) return this;
     return copyWith(
-      bigButtonRadius: other.bigButtonRadius,
-      bigButtonHeight: other.bigButtonHeight,
-      bigButtonFontSize: other.bigButtonFontSize,
-      smallButtonRadius: other.smallButtonRadius,
-      smallButtonHeight: other.smallButtonHeight,
-      smallButtonFontSize: other.smallButtonFontSize,
+      bigButtonRadius: other._bigButtonRadius,
+      bigButtonHeight: other._bigButtonHeight,
+      bigButtonFontSize: other._bigButtonFontSize,
+      smallButtonRadius: other._smallButtonRadius,
+      smallButtonHeight: other._smallButtonHeight,
+      smallButtonFontSize: other._smallButtonFontSize,
     );
   }
 }
diff --git a/lib/src/theme/configs/brn_card_title_config.dart b/lib/src/theme/configs/brn_card_title_config.dart
index 84cc2242..95ea6a70 100644
--- a/lib/src/theme/configs/brn_card_title_config.dart
+++ b/lib/src/theme/configs/brn_card_title_config.dart
@@ -1,3 +1,4 @@
+import 'package:bruno/bruno.dart';
 import 'package:bruno/src/theme/base/brn_base_config.dart';
 import 'package:bruno/src/theme/base/brn_text_style.dart';
 import 'package:bruno/src/theme/brn_theme_configurator.dart';
@@ -7,16 +8,24 @@ import 'package:flutter/material.dart';
 /// 卡片标题 配置类
 class BrnCardTitleConfig extends BrnBaseConfig {
   BrnCardTitleConfig({
-    this.titleWithHeightTextStyle,
-    this.detailTextStyle,
-    this.accessoryTextStyle,
-    this.cardTitlePadding,
-    this.titleTextStyle,
-    this.subtitleTextStyle,
-    this.alignment,
-    this.cardBackgroundColor,
+    BrnTextStyle? titleWithHeightTextStyle,
+    BrnTextStyle? detailTextStyle,
+    BrnTextStyle? accessoryTextStyle,
+    EdgeInsets? cardTitlePadding,
+    BrnTextStyle? titleTextStyle,
+    BrnTextStyle? subtitleTextStyle,
+    PlaceholderAlignment? alignment,
+    Color? cardBackgroundColor,
     String configId = GLOBAL_CONFIG_ID,
-  }) : super(configId: configId);
+  })  : _titleWithHeightTextStyle = titleWithHeightTextStyle,
+        _detailTextStyle = detailTextStyle,
+        _accessoryTextStyle = accessoryTextStyle,
+        _cardTitlePadding = cardTitlePadding,
+        _titleTextStyle = titleTextStyle,
+        _subtitleTextStyle = subtitleTextStyle,
+        _alignment = alignment,
+        _cardBackgroundColor = cardBackgroundColor,
+        super(configId: configId);
 
   /// 标题外边距间距
   ///
@@ -24,7 +33,11 @@ class BrnCardTitleConfig extends BrnBaseConfig {
   ///   top: [BrnCommonConfig.vSpacingXl],
   ///   bottom: [BrnCommonConfig.vSpacingMd],
   /// )
-  EdgeInsets? cardTitlePadding;
+  EdgeInsets? _cardTitlePadding;
+
+  EdgeInsets get cardTitlePadding =>
+      _cardTitlePadding ??
+      BrnDefaultConfigUtils.defaultCardTitleConfig.cardTitlePadding;
 
   /// 标题文本样式
   ///
@@ -34,7 +47,11 @@ class BrnCardTitleConfig extends BrnBaseConfig {
   ///   fontWeight: FontWeight.w600,
   ///   height: 25 / 18,
   /// )
-  BrnTextStyle? titleWithHeightTextStyle;
+  BrnTextStyle? _titleWithHeightTextStyle;
+
+  BrnTextStyle get titleWithHeightTextStyle =>
+      _titleWithHeightTextStyle ??
+      BrnDefaultConfigUtils.defaultCardTitleConfig.titleWithHeightTextStyle;
 
   /// 标题文本样式
   ///
@@ -43,7 +60,11 @@ class BrnCardTitleConfig extends BrnBaseConfig {
   ///   fontSize: [BrnCommonConfig.fontSizeHead],
   ///   fontWeight: FontWeight.w600,
   /// )
-  BrnTextStyle? titleTextStyle;
+  BrnTextStyle? _titleTextStyle;
+
+  BrnTextStyle get titleTextStyle =>
+      _titleTextStyle ??
+      BrnDefaultConfigUtils.defaultCardTitleConfig.titleTextStyle;
 
   /// 标题右边的副标题文本样式
   ///
@@ -51,7 +72,11 @@ class BrnCardTitleConfig extends BrnBaseConfig {
   ///   color: [BrnCommonConfig.colorTextSecondary],
   ///   fontSize: [BrnCommonConfig.fontSizeBase],
   /// )
-  BrnTextStyle? subtitleTextStyle;
+  BrnTextStyle? _subtitleTextStyle;
+
+  BrnTextStyle get subtitleTextStyle =>
+      _subtitleTextStyle ??
+      BrnDefaultConfigUtils.defaultCardTitleConfig.subtitleTextStyle;
 
   /// 详情文本样式
   ///
@@ -59,7 +84,11 @@ class BrnCardTitleConfig extends BrnBaseConfig {
   ///   color: [BrnCommonConfig.colorTextBase],
   ///   fontSize: [BrnCommonConfig.fontSizeBase],
   /// )
-  BrnTextStyle? detailTextStyle;
+  BrnTextStyle? _detailTextStyle;
+
+  BrnTextStyle get detailTextStyle =>
+      _detailTextStyle ??
+      BrnDefaultConfigUtils.defaultCardTitleConfig.detailTextStyle;
 
   /// 辅助文本样式
   ///
@@ -67,15 +96,26 @@ class BrnCardTitleConfig extends BrnBaseConfig {
   ///   color: [BrnCommonConfig.colorTextSecondary],
   ///   fontSize: [BrnCommonConfig.fontSizeBase],
   /// )
-  BrnTextStyle? accessoryTextStyle;
+  BrnTextStyle? _accessoryTextStyle;
+
+  BrnTextStyle get accessoryTextStyle =>
+      _accessoryTextStyle ??
+      BrnDefaultConfigUtils.defaultCardTitleConfig.accessoryTextStyle;
 
   /// 对齐方式
   /// 默认为 [PlaceholderAlignment.middle]
-  PlaceholderAlignment? alignment;
+  PlaceholderAlignment? _alignment;
+
+  PlaceholderAlignment get alignment =>
+      _alignment ?? BrnDefaultConfigUtils.defaultCardTitleConfig.alignment;
 
   /// 卡片背景
   /// 默认为 [BrnCommonConfig.fillBase]
-  Color? cardBackgroundColor;
+  Color? _cardBackgroundColor;
+
+  Color get cardBackgroundColor =>
+      _cardBackgroundColor ??
+      BrnDefaultConfigUtils.defaultCardTitleConfig.cardBackgroundColor;
 
   /// cardTitleConfig  获取逻辑详见 [BrnThemeConfigurator.getConfig] 方法
   @override
@@ -88,48 +128,48 @@ class BrnCardTitleConfig extends BrnBaseConfig {
       currentLevelCommonConfig: currentLevelCommonConfig,
     );
 
-    BrnCardTitleConfig? cardTitleConfig = BrnThemeConfigurator.instance
+    BrnCardTitleConfig cardTitleConfig = BrnThemeConfigurator.instance
         .getConfig(configId: configId)
         .cardTitleConfig;
 
-    cardBackgroundColor ??= commonConfig.fillBase;
-    cardTitlePadding ??= EdgeInsets.only(
-      left: cardTitleConfig?.cardTitlePadding?.left ?? 0,
-      top: commonConfig.vSpacingXl ?? 0,
-      right: cardTitleConfig?.cardTitlePadding?.right ?? 0,
-      bottom: commonConfig.vSpacingMd ?? 0,
+    _cardBackgroundColor ??= commonConfig.fillBase;
+    _cardTitlePadding ??= EdgeInsets.only(
+      left: cardTitleConfig.cardTitlePadding.left,
+      top: commonConfig.vSpacingXl,
+      right: cardTitleConfig.cardTitlePadding.right,
+      bottom: commonConfig.vSpacingMd,
     );
-    titleWithHeightTextStyle = cardTitleConfig?.titleWithHeightTextStyle?.merge(
+    _titleWithHeightTextStyle = cardTitleConfig.titleWithHeightTextStyle.merge(
       BrnTextStyle(
         color: commonConfig.colorTextBase,
         fontSize: commonConfig.fontSizeHead,
-      ).merge(titleWithHeightTextStyle),
+      ).merge(_titleWithHeightTextStyle),
     );
-    titleTextStyle = cardTitleConfig?.titleTextStyle?.merge(
+    _titleTextStyle = cardTitleConfig.titleTextStyle.merge(
       BrnTextStyle(
         color: commonConfig.colorTextBase,
         fontSize: commonConfig.fontSizeHead,
-      ).merge(titleTextStyle),
+      ).merge(_titleTextStyle),
     );
-    subtitleTextStyle = cardTitleConfig?.subtitleTextStyle?.merge(
+    _subtitleTextStyle = cardTitleConfig.subtitleTextStyle.merge(
       BrnTextStyle(
         color: commonConfig.colorTextBase,
         fontSize: commonConfig.fontSizeBase,
-      ).merge(subtitleTextStyle),
+      ).merge(_subtitleTextStyle),
     );
-    accessoryTextStyle = cardTitleConfig?.accessoryTextStyle?.merge(
+    _accessoryTextStyle = cardTitleConfig.accessoryTextStyle.merge(
       BrnTextStyle(
         color: commonConfig.colorTextSecondary,
         fontSize: commonConfig.fontSizeHead,
-      ).merge(accessoryTextStyle),
+      ).merge(_accessoryTextStyle),
     );
-    detailTextStyle = cardTitleConfig?.detailTextStyle?.merge(
+    _detailTextStyle = cardTitleConfig.detailTextStyle.merge(
       BrnTextStyle(
         color: commonConfig.colorTextBase,
         fontSize: commonConfig.fontSizeBase,
-      ).merge(detailTextStyle),
+      ).merge(_detailTextStyle),
     );
-    alignment ??= cardTitleConfig?.alignment;
+    _alignment ??= cardTitleConfig._alignment;
   }
 
   BrnCardTitleConfig copyWith({
@@ -143,35 +183,30 @@ class BrnCardTitleConfig extends BrnBaseConfig {
     Color? cardBackgroundColor,
   }) {
     return BrnCardTitleConfig(
-      cardTitlePadding: cardTitlePadding ?? this.cardTitlePadding,
+      cardTitlePadding: cardTitlePadding ?? _cardTitlePadding,
       titleWithHeightTextStyle:
-          titleWithHeightTextStyle ?? this.titleWithHeightTextStyle,
-      titleTextStyle: titleTextStyle ?? this.titleTextStyle,
-      subtitleTextStyle: subtitleTextStyle ?? this.subtitleTextStyle,
-      detailTextStyle: detailTextStyle ?? this.detailTextStyle,
-      accessoryTextStyle: accessoryTextStyle ?? this.accessoryTextStyle,
-      alignment: alignment ?? this.alignment,
-      cardBackgroundColor: cardBackgroundColor ?? this.cardBackgroundColor,
+          titleWithHeightTextStyle ?? _titleWithHeightTextStyle,
+      titleTextStyle: titleTextStyle ?? _titleTextStyle,
+      subtitleTextStyle: subtitleTextStyle ?? _subtitleTextStyle,
+      detailTextStyle: detailTextStyle ?? _detailTextStyle,
+      accessoryTextStyle: accessoryTextStyle ?? _accessoryTextStyle,
+      alignment: alignment ?? _alignment,
+      cardBackgroundColor: cardBackgroundColor ?? _cardBackgroundColor,
     );
   }
 
   BrnCardTitleConfig merge(BrnCardTitleConfig? other) {
     if (other == null) return this;
     return copyWith(
-      cardTitlePadding: other.cardTitlePadding,
+      cardTitlePadding: other._cardTitlePadding,
       titleWithHeightTextStyle:
-          titleWithHeightTextStyle?.merge(other.titleWithHeightTextStyle) ??
-              other.titleWithHeightTextStyle,
-      titleTextStyle:
-          titleTextStyle?.merge(other.titleTextStyle) ?? other.titleTextStyle,
-      subtitleTextStyle: subtitleTextStyle?.merge(other.subtitleTextStyle) ??
-          other.subtitleTextStyle,
-      detailTextStyle: detailTextStyle?.merge(other.detailTextStyle) ??
-          other.detailTextStyle,
-      accessoryTextStyle: accessoryTextStyle?.merge(other.accessoryTextStyle) ??
-          other.accessoryTextStyle,
-      alignment: other.alignment,
-      cardBackgroundColor: other.cardBackgroundColor,
+          titleWithHeightTextStyle.merge(other._titleWithHeightTextStyle),
+      titleTextStyle: titleTextStyle.merge(other._titleTextStyle),
+      subtitleTextStyle: subtitleTextStyle.merge(other._subtitleTextStyle),
+      detailTextStyle: detailTextStyle.merge(other._detailTextStyle),
+      accessoryTextStyle: accessoryTextStyle.merge(other._accessoryTextStyle),
+      alignment: other._alignment,
+      cardBackgroundColor: other._cardBackgroundColor,
     );
   }
 }
diff --git a/lib/src/theme/configs/brn_common_config.dart b/lib/src/theme/configs/brn_common_config.dart
index c5b1e887..1e433123 100644
--- a/lib/src/theme/configs/brn_common_config.dart
+++ b/lib/src/theme/configs/brn_common_config.dart
@@ -1,4 +1,5 @@
 import 'package:bruno/src/theme/base/brn_base_config.dart';
+import 'package:bruno/src/theme/base/brn_default_config_utils.dart';
 import 'package:bruno/src/theme/brn_theme_configurator.dart';
 import 'package:flutter/painting.dart';
 
@@ -6,114 +7,216 @@ import 'package:flutter/painting.dart';
 /// 配置属性：色值、字体大小、间距、圆角
 class BrnCommonConfig extends BrnBaseConfig {
   BrnCommonConfig({
-    this.brandPrimary,
-    this.brandPrimaryTap,
-    this.brandSuccess,
-    this.brandWarning,
-    this.brandError,
-    this.brandImportant,
-    this.brandImportantValue,
-    this.brandAuxiliary,
-    this.colorTextBase,
-    this.colorTextImportant,
-    this.colorTextBaseInverse,
-    this.colorTextSecondary,
-    this.colorTextDisabled,
-    this.colorTextHint,
-    this.colorLink,
-    this.fillBase,
-    this.fillBody,
-    this.fillMask,
-    this.borderColorBase,
-    this.dividerColorBase,
-    this.fontSizeDIN,
-    this.fontSizeHeadLg,
-    this.fontSizeBase,
-    this.fontSizeHead,
-    this.fontSizeSubHead,
-    this.fontSizeCaption,
-    this.fontSizeCaptionSm,
-    this.radiusXs,
-    this.radiusSm,
-    this.radiusMd,
-    this.radiusLg,
-    this.borderWidthSm,
-    this.borderWidthMd,
-    this.borderWidthLg,
-    this.hSpacingXs,
-    this.hSpacingSm,
-    this.hSpacingMd,
-    this.hSpacingLg,
-    this.hSpacingXl,
-    this.hSpacingXxl,
-    this.vSpacingXs,
-    this.vSpacingSm,
-    this.vSpacingMd,
-    this.vSpacingLg,
-    this.vSpacingXl,
-    this.vSpacingXxl,
-    this.iconSizeXxs,
-    this.iconSizeXs,
-    this.iconSizeSm,
-    this.iconSizeMd,
-    this.iconSizeLg,
+    Color? brandPrimary,
+    Color? brandPrimaryTap,
+    Color? brandSuccess,
+    Color? brandWarning,
+    Color? brandError,
+    Color? brandImportant,
+    Color? brandImportantValue,
+    Color? brandAuxiliary,
+    Color? colorTextBase,
+    Color? colorTextImportant,
+    Color? colorTextBaseInverse,
+    Color? colorTextSecondary,
+    Color? colorTextDisabled,
+    Color? colorTextHint,
+    Color? colorLink,
+    Color? fillBase,
+    Color? fillBody,
+    Color? fillMask,
+    Color? borderColorBase,
+    Color? dividerColorBase,
+    double? fontSizeDIN,
+    double? fontSizeHeadLg,
+    double? fontSizeBase,
+    double? fontSizeHead,
+    double? fontSizeSubHead,
+    double? fontSizeCaption,
+    double? fontSizeCaptionSm,
+    double? radiusXs,
+    double? radiusSm,
+    double? radiusMd,
+    double? radiusLg,
+    double? borderWidthSm,
+    double? borderWidthMd,
+    double? borderWidthLg,
+    double? hSpacingXs,
+    double? hSpacingSm,
+    double? hSpacingMd,
+    double? hSpacingLg,
+    double? hSpacingXl,
+    double? hSpacingXxl,
+    double? vSpacingXs,
+    double? vSpacingSm,
+    double? vSpacingMd,
+    double? vSpacingLg,
+    double? vSpacingXl,
+    double? vSpacingXxl,
+    double? iconSizeXxs,
+    double? iconSizeXs,
+    double? iconSizeSm,
+    double? iconSizeMd,
+    double? iconSizeLg,
     String configId = GLOBAL_CONFIG_ID,
-  }) : super(configId: configId);
+  })  : _brandPrimary = brandPrimary,
+        _brandPrimaryTap = brandPrimaryTap,
+        _brandSuccess = brandSuccess,
+        _brandWarning = brandWarning,
+        _brandError = brandError,
+        _brandImportant = brandImportant,
+        _brandImportantValue = brandImportantValue,
+        _brandAuxiliary = brandAuxiliary,
+        _colorTextBase = colorTextBase,
+        _colorTextImportant = colorTextImportant,
+        _colorTextBaseInverse = colorTextBaseInverse,
+        _colorTextSecondary = colorTextSecondary,
+        _colorTextDisabled = colorTextDisabled,
+        _colorTextHint = colorTextHint,
+        _colorLink = colorLink,
+        _fillBase = fillBase,
+        _fillBody = fillBody,
+        _fillMask = fillMask,
+        _borderColorBase = borderColorBase,
+        _dividerColorBase = dividerColorBase,
+        _fontSizeDIN = fontSizeDIN,
+        _fontSizeHeadLg = fontSizeHeadLg,
+        _fontSizeBase = fontSizeBase,
+        _fontSizeHead = fontSizeHead,
+        _fontSizeSubHead = fontSizeSubHead,
+        _fontSizeCaption = fontSizeCaption,
+        _fontSizeCaptionSm = fontSizeCaptionSm,
+        _radiusXs = radiusXs,
+        _radiusSm = radiusSm,
+        _radiusMd = radiusMd,
+        _radiusLg = radiusLg,
+        _borderWidthSm = borderWidthSm,
+        _borderWidthMd = borderWidthMd,
+        _borderWidthLg = borderWidthLg,
+        _hSpacingXs = hSpacingXs,
+        _hSpacingSm = hSpacingSm,
+        _hSpacingMd = hSpacingMd,
+        _hSpacingLg = hSpacingLg,
+        _hSpacingXl = hSpacingXl,
+        _hSpacingXxl = hSpacingXxl,
+        _vSpacingXs = vSpacingXs,
+        _vSpacingSm = vSpacingSm,
+        _vSpacingMd = vSpacingMd,
+        _vSpacingLg = vSpacingLg,
+        _vSpacingXl = vSpacingXl,
+        _vSpacingXxl = vSpacingXxl,
+        _iconSizeXxs = iconSizeXxs,
+        _iconSizeXs = iconSizeXs,
+        _iconSizeSm = iconSizeSm,
+        _iconSizeMd = iconSizeMd,
+        _iconSizeLg = iconSizeLg,
+        super(configId: configId);
 
   BrnCommonConfig.autoFlatConfig({
-    this.brandPrimary,
-    this.brandPrimaryTap,
-    this.brandSuccess,
-    this.brandWarning,
-    this.brandError,
-    this.brandImportant,
-    this.brandImportantValue,
-    this.brandAuxiliary,
-    this.colorTextBase,
-    this.colorTextImportant,
-    this.colorTextBaseInverse,
-    this.colorTextSecondary,
-    this.colorTextDisabled,
-    this.colorTextHint,
-    this.colorLink,
-    this.fillBase,
-    this.fillBody,
-    this.fillMask,
-    this.borderColorBase,
-    this.dividerColorBase,
-    this.fontSizeDIN,
-    this.fontSizeHeadLg,
-    this.fontSizeBase,
-    this.fontSizeHead,
-    this.fontSizeSubHead,
-    this.fontSizeCaption,
-    this.fontSizeCaptionSm,
-    this.radiusXs,
-    this.radiusSm,
-    this.radiusMd,
-    this.radiusLg,
-    this.borderWidthSm,
-    this.borderWidthMd,
-    this.borderWidthLg,
-    this.hSpacingXs,
-    this.hSpacingSm,
-    this.hSpacingMd,
-    this.hSpacingLg,
-    this.hSpacingXl,
-    this.hSpacingXxl,
-    this.vSpacingXs,
-    this.vSpacingSm,
-    this.vSpacingMd,
-    this.vSpacingLg,
-    this.vSpacingXl,
-    this.vSpacingXxl,
-    this.iconSizeXxs,
-    this.iconSizeXs,
-    this.iconSizeSm,
-    this.iconSizeMd,
-    this.iconSizeLg,
+    Color? brandPrimary,
+    Color? brandPrimaryTap,
+    Color? brandSuccess,
+    Color? brandWarning,
+    Color? brandError,
+    Color? brandImportant,
+    Color? brandImportantValue,
+    Color? brandAuxiliary,
+    Color? colorTextBase,
+    Color? colorTextImportant,
+    Color? colorTextBaseInverse,
+    Color? colorTextSecondary,
+    Color? colorTextDisabled,
+    Color? colorTextHint,
+    Color? colorLink,
+    Color? fillBase,
+    Color? fillBody,
+    Color? fillMask,
+    Color? borderColorBase,
+    Color? dividerColorBase,
+    double? fontSizeDIN,
+    double? fontSizeHeadLg,
+    double? fontSizeBase,
+    double? fontSizeHead,
+    double? fontSizeSubHead,
+    double? fontSizeCaption,
+    double? fontSizeCaptionSm,
+    double? radiusXs,
+    double? radiusSm,
+    double? radiusMd,
+    double? radiusLg,
+    double? borderWidthSm,
+    double? borderWidthMd,
+    double? borderWidthLg,
+    double? hSpacingXs,
+    double? hSpacingSm,
+    double? hSpacingMd,
+    double? hSpacingLg,
+    double? hSpacingXl,
+    double? hSpacingXxl,
+    double? vSpacingXs,
+    double? vSpacingSm,
+    double? vSpacingMd,
+    double? vSpacingLg,
+    double? vSpacingXl,
+    double? vSpacingXxl,
+    double? iconSizeXxs,
+    double? iconSizeXs,
+    double? iconSizeSm,
+    double? iconSizeMd,
+    double? iconSizeLg,
     String configId = GLOBAL_CONFIG_ID,
-  }) : super(configId: configId, autoFlatConfig: true);
+  })  : _brandPrimary = brandPrimary,
+        _brandPrimaryTap = brandPrimaryTap,
+        _brandSuccess = brandSuccess,
+        _brandWarning = brandWarning,
+        _brandError = brandError,
+        _brandImportant = brandImportant,
+        _brandImportantValue = brandImportantValue,
+        _brandAuxiliary = brandAuxiliary,
+        _colorTextBase = colorTextBase,
+        _colorTextImportant = colorTextImportant,
+        _colorTextBaseInverse = colorTextBaseInverse,
+        _colorTextSecondary = colorTextSecondary,
+        _colorTextDisabled = colorTextDisabled,
+        _colorTextHint = colorTextHint,
+        _colorLink = colorLink,
+        _fillBase = fillBase,
+        _fillBody = fillBody,
+        _fillMask = fillMask,
+        _borderColorBase = borderColorBase,
+        _dividerColorBase = dividerColorBase,
+        _fontSizeDIN = fontSizeDIN,
+        _fontSizeHeadLg = fontSizeHeadLg,
+        _fontSizeBase = fontSizeBase,
+        _fontSizeHead = fontSizeHead,
+        _fontSizeSubHead = fontSizeSubHead,
+        _fontSizeCaption = fontSizeCaption,
+        _fontSizeCaptionSm = fontSizeCaptionSm,
+        _radiusXs = radiusXs,
+        _radiusSm = radiusSm,
+        _radiusMd = radiusMd,
+        _radiusLg = radiusLg,
+        _borderWidthSm = borderWidthSm,
+        _borderWidthMd = borderWidthMd,
+        _borderWidthLg = borderWidthLg,
+        _hSpacingXs = hSpacingXs,
+        _hSpacingSm = hSpacingSm,
+        _hSpacingMd = hSpacingMd,
+        _hSpacingLg = hSpacingLg,
+        _hSpacingXl = hSpacingXl,
+        _hSpacingXxl = hSpacingXxl,
+        _vSpacingXs = vSpacingXs,
+        _vSpacingSm = vSpacingSm,
+        _vSpacingMd = vSpacingMd,
+        _vSpacingLg = vSpacingLg,
+        _vSpacingXl = vSpacingXl,
+        _vSpacingXxl = vSpacingXxl,
+        _iconSizeXxs = iconSizeXxs,
+        _iconSizeXs = iconSizeXs,
+        _iconSizeSm = iconSizeSm,
+        _iconSizeMd = iconSizeMd,
+        _iconSizeLg = iconSizeLg,
+        super(configId: configId, autoFlatConfig: true);
 
   /// 基本单位
   static const double hd = 1;
@@ -126,86 +229,86 @@ class BrnCommonConfig extends BrnBaseConfig {
 
   /// 品牌色
   /// 默认为 Color(0xFF0984F9)
-  Color? brandPrimary;
+  Color? _brandPrimary;
 
   /// 主题色按下效果
   /// 默认为 Color(0x190984F9)
-  Color? brandPrimaryTap;
+  Color? _brandPrimaryTap;
 
   /// 成功色
   /// 默认为 Color(0xFF00AE66)
-  Color? brandSuccess;
+  Color? _brandSuccess;
 
   /// 警告色
   /// 默认为 Color(0xFFFAAD14)
-  Color? brandWarning;
+  Color? _brandWarning;
 
   /// 失败色
   /// 默认为 Color(0xFFFA3F3F)
-  Color? brandError;
+  Color? _brandError;
 
   /// 重要-多用于红点色
   /// 默认为 Color(0xFFFA3F3F)
-  Color? brandImportant;
+  Color? _brandImportant;
 
   /// 重要数值色
   /// 默认为 Color(0xFFFF5722)
-  Color? brandImportantValue;
+  Color? _brandImportantValue;
 
   /// 辅助色
   /// 默认为 Color(0xFF44C2FF)
-  Color? brandAuxiliary;
+  Color? _brandAuxiliary;
 
   /// 文本色相关
   ///
   /// 基础文字纯黑色
   /// 默认为 Color(0xFF222222)
-  Color? colorTextBase;
+  Color? _colorTextBase;
 
   /// 基础文字重要色
   /// 默认为 Color(0xFF666666)
-  Color? colorTextImportant;
+  Color? _colorTextImportant;
 
   /// 基础文字-反色
   /// 默认为 Color(0xFFFFFFFF)
-  Color? colorTextBaseInverse;
+  Color? _colorTextBaseInverse;
 
   /// 辅助文字色
   /// 默认为 Color(0xFF999999)
-  Color? colorTextSecondary;
+  Color? _colorTextSecondary;
 
   /// 失效或不可更改文字色
   /// 默认为 Color(0xFF999999)
-  Color? colorTextDisabled;
+  Color? _colorTextDisabled;
 
   /// 文本框提示暗文文字色
   /// 默认为 Color(0xFFCCCCCC)
-  Color? colorTextHint;
+  Color? _colorTextHint;
 
   /// 跟随主题色[brandPrimary]
-  Color? colorLink;
+  Color? _colorLink;
 
   /// 背景色相关
   ///
   /// 组件背景色
   /// 默认为 Color(0xFFFFFFFF)
-  Color? fillBase;
+  Color? _fillBase;
 
   /// 页面背景色
   /// 默认为 Color(0xFFF8F8F8)
-  Color? fillBody;
+  Color? _fillBody;
 
   /// 遮罩背景
   /// 默认为 Color(0x99000000)
-  Color? fillMask;
+  Color? _fillMask;
 
   /// 边框色
   /// 默认为 Color(0xFFF0F0F0)
-  Color? borderColorBase;
+  Color? _borderColorBase;
 
   /// 分割线色
   /// 默认为 Color(0xFFF0F0F0)
-  Color? dividerColorBase;
+  Color? _dividerColorBase;
 
 ///////////////////////////////////////////////////////////////////////////////
 ///////////////////////////////////// 尺寸 /////////////////////////////////////
@@ -215,113 +318,280 @@ class BrnCommonConfig extends BrnBaseConfig {
   ///
   /// 特殊数据展示，DIN Condensed数字字体，用于强吸引
   /// 默认为 28
-  double? fontSizeDIN;
+  double? _fontSizeDIN;
 
   /// 标题字体
   /// 名称/页面大标题
   /// 默认为 22
-  double? fontSizeHeadLg;
+  double? _fontSizeHeadLg;
 
   /// 标题字体
   /// 内容模块标题/一级标题
   /// 默认为 18
-  double? fontSizeHead;
+  double? _fontSizeHead;
 
   /// 子标题字体
   /// 标题/录入文字/大按钮文字/二级标题
   /// 默认为  16
-  double? fontSizeSubHead;
+  double? _fontSizeSubHead;
 
   /// 基础字体
   /// 内容副文本/普通说明文字
   /// 默认为 14
-  double? fontSizeBase;
+  double? _fontSizeBase;
 
   /// 辅助字体-普通
   /// 默认为 12
-  double? fontSizeCaption;
+  double? _fontSizeCaption;
 
   ///辅助字体-小
   /// 默认为 11
-  double? fontSizeCaptionSm;
+  double? _fontSizeCaptionSm;
 
   /// 圆角尺寸
   /// 默认为 2.0
-  double? radiusXs;
+  double? _radiusXs;
 
   /// 默认为 4.0
-  double? radiusSm;
+  double? _radiusSm;
 
   /// 默认为 6.0
-  double? radiusMd;
+  double? _radiusMd;
 
   /// 默认为 8.0
-  double? radiusLg;
+  double? _radiusLg;
 
   /// 边框尺寸
   ///
   /// 默认为 0.5
-  double? borderWidthSm;
+  double? _borderWidthSm;
 
   /// 默认为 1
-  double? borderWidthMd;
+  double? _borderWidthMd;
 
   /// 默认为 2
-  double? borderWidthLg;
+  double? _borderWidthLg;
 
   /// 水平间距
   /// 默认为 8
-  double? hSpacingXs;
+  double? _hSpacingXs;
 
   /// 默认为 12
-  double? hSpacingSm;
+  double? _hSpacingSm;
 
   /// 默认为 16
-  double? hSpacingMd;
+  double? _hSpacingMd;
 
   /// 默认为 20
-  double? hSpacingLg;
+  double? _hSpacingLg;
 
   /// 默认为 24
-  double? hSpacingXl;
+  double? _hSpacingXl;
 
   /// 默认为 42
-  double? hSpacingXxl;
+  double? _hSpacingXxl;
 
   /// 垂直间距
   /// 默认为 4
-  double? vSpacingXs;
+  double? _vSpacingXs;
 
   /// 默认为 8
-  double? vSpacingSm;
+  double? _vSpacingSm;
 
   /// 默认为 12
-  double? vSpacingMd;
+  double? _vSpacingMd;
 
   /// 默认为 14
-  double? vSpacingLg;
+  double? _vSpacingLg;
 
   /// 默认为 16
-  double? vSpacingXl;
+  double? _vSpacingXl;
 
   /// 默认为 28
-  double? vSpacingXxl;
+  double? _vSpacingXxl;
 
   /// 图标尺寸
   /// 默认为 8
-  double? iconSizeXxs;
+  double? _iconSizeXxs;
 
   /// 默认为 12
-  double? iconSizeXs;
+  double? _iconSizeXs;
 
   /// 默认为 14
-  double? iconSizeSm;
+  double? _iconSizeSm;
 
   /// 默认为 16
-  double? iconSizeMd;
+  double? _iconSizeMd;
 
   /// 默认为 32
-  double? iconSizeLg;
+  double? _iconSizeLg;
+
+  Color get brandPrimary =>
+      _brandPrimary ?? BrnDefaultConfigUtils.defaultCommonConfig.brandPrimary;
+
+  Color get brandPrimaryTap =>
+      _brandPrimaryTap ??
+      BrnDefaultConfigUtils.defaultCommonConfig.brandPrimaryTap;
+
+  Color get brandSuccess =>
+      _brandSuccess ?? BrnDefaultConfigUtils.defaultCommonConfig.brandSuccess;
+
+  Color get brandWarning =>
+      _brandWarning ?? BrnDefaultConfigUtils.defaultCommonConfig.brandWarning;
+
+  Color get brandError =>
+      _brandError ?? BrnDefaultConfigUtils.defaultCommonConfig.brandError;
+
+  Color get brandImportant =>
+      _brandImportant ??
+      BrnDefaultConfigUtils.defaultCommonConfig.brandImportant;
+
+  Color get brandImportantValue =>
+      _brandImportantValue ??
+      BrnDefaultConfigUtils.defaultCommonConfig.brandImportantValue;
+
+  Color get brandAuxiliary =>
+      _brandAuxiliary ??
+      BrnDefaultConfigUtils.defaultCommonConfig.brandAuxiliary;
+
+  Color get colorTextBase =>
+      _colorTextBase ?? BrnDefaultConfigUtils.defaultCommonConfig.colorTextBase;
+
+  Color get colorTextImportant =>
+      _colorTextImportant ??
+      BrnDefaultConfigUtils.defaultCommonConfig.colorTextImportant;
+
+  Color get colorTextBaseInverse =>
+      _colorTextBaseInverse ??
+      BrnDefaultConfigUtils.defaultCommonConfig.colorTextBaseInverse;
+
+  Color get colorTextSecondary =>
+      _colorTextSecondary ??
+      BrnDefaultConfigUtils.defaultCommonConfig.colorTextSecondary;
+
+  Color get colorTextDisabled =>
+      _colorTextDisabled ??
+      BrnDefaultConfigUtils.defaultCommonConfig.colorTextDisabled;
+
+  Color get colorTextHint =>
+      _colorTextHint ?? BrnDefaultConfigUtils.defaultCommonConfig.colorTextHint;
+
+  Color get colorLink =>
+      _colorLink ?? BrnDefaultConfigUtils.defaultCommonConfig.colorLink;
+
+  Color get fillBase =>
+      _fillBase ?? BrnDefaultConfigUtils.defaultCommonConfig.fillBase;
+
+  Color get fillBody =>
+      _fillBody ?? BrnDefaultConfigUtils.defaultCommonConfig.fillBody;
+
+  Color get fillMask =>
+      _fillMask ?? BrnDefaultConfigUtils.defaultCommonConfig.fillMask;
+
+  Color get borderColorBase =>
+      _borderColorBase ??
+      BrnDefaultConfigUtils.defaultCommonConfig.borderColorBase;
+
+  Color get dividerColorBase =>
+      _dividerColorBase ??
+      BrnDefaultConfigUtils.defaultCommonConfig.dividerColorBase;
+
+  double get fontSizeDIN =>
+      _fontSizeDIN ?? BrnDefaultConfigUtils.defaultCommonConfig.fontSizeDIN;
+
+  double get fontSizeHeadLg =>
+      _fontSizeHeadLg ??
+      BrnDefaultConfigUtils.defaultCommonConfig.fontSizeHeadLg;
+
+  double get fontSizeHead =>
+      _fontSizeHead ?? BrnDefaultConfigUtils.defaultCommonConfig.fontSizeHead;
+
+  double get fontSizeSubHead =>
+      _fontSizeSubHead ??
+      BrnDefaultConfigUtils.defaultCommonConfig.fontSizeSubHead;
+
+  double get fontSizeBase =>
+      _fontSizeBase ?? BrnDefaultConfigUtils.defaultCommonConfig.fontSizeBase;
+
+  double get fontSizeCaption =>
+      _fontSizeCaption ??
+      BrnDefaultConfigUtils.defaultCommonConfig.fontSizeCaption;
+
+  double get fontSizeCaptionSm =>
+      _fontSizeCaptionSm ??
+      BrnDefaultConfigUtils.defaultCommonConfig.fontSizeCaptionSm;
+
+  double get radiusXs =>
+      _radiusXs ?? BrnDefaultConfigUtils.defaultCommonConfig.radiusXs;
+
+  double get radiusSm =>
+      _radiusSm ?? BrnDefaultConfigUtils.defaultCommonConfig.radiusSm;
+
+  double get radiusMd =>
+      _radiusMd ?? BrnDefaultConfigUtils.defaultCommonConfig.radiusMd;
+
+  double get radiusLg =>
+      _radiusLg ?? BrnDefaultConfigUtils.defaultCommonConfig.radiusLg;
+
+  double get borderWidthSm =>
+      _borderWidthSm ?? BrnDefaultConfigUtils.defaultCommonConfig.borderWidthSm;
+
+  double get borderWidthMd =>
+      _borderWidthMd ?? BrnDefaultConfigUtils.defaultCommonConfig.borderWidthMd;
+
+  double get borderWidthLg =>
+      _borderWidthLg ?? BrnDefaultConfigUtils.defaultCommonConfig.borderWidthLg;
+
+  double get hSpacingXs =>
+      _hSpacingXs ?? BrnDefaultConfigUtils.defaultCommonConfig.hSpacingXs;
+
+  double get hSpacingSm =>
+      _hSpacingSm ?? BrnDefaultConfigUtils.defaultCommonConfig.hSpacingSm;
+
+  double get hSpacingMd =>
+      _hSpacingMd ?? BrnDefaultConfigUtils.defaultCommonConfig.hSpacingMd;
+
+  double get hSpacingLg =>
+      _hSpacingLg ?? BrnDefaultConfigUtils.defaultCommonConfig.hSpacingLg;
+
+  double get hSpacingXl =>
+      _hSpacingXl ?? BrnDefaultConfigUtils.defaultCommonConfig.hSpacingXl;
+
+  double get hSpacingXxl =>
+      _hSpacingXxl ?? BrnDefaultConfigUtils.defaultCommonConfig.hSpacingXxl;
+
+  double get vSpacingXs =>
+      _vSpacingXs ?? BrnDefaultConfigUtils.defaultCommonConfig.vSpacingXs;
+
+  double get vSpacingSm =>
+      _vSpacingSm ?? BrnDefaultConfigUtils.defaultCommonConfig.vSpacingSm;
+
+  double get vSpacingMd =>
+      _vSpacingMd ?? BrnDefaultConfigUtils.defaultCommonConfig.vSpacingMd;
+
+  double get vSpacingLg =>
+      _vSpacingLg ?? BrnDefaultConfigUtils.defaultCommonConfig.vSpacingLg;
+
+  double get vSpacingXl =>
+      _vSpacingXl ?? BrnDefaultConfigUtils.defaultCommonConfig.vSpacingXl;
+
+  double get vSpacingXxl =>
+      _vSpacingXxl ?? BrnDefaultConfigUtils.defaultCommonConfig.vSpacingXxl;
+
+  double get iconSizeXxs =>
+      _iconSizeXxs ?? BrnDefaultConfigUtils.defaultCommonConfig.iconSizeXxs;
+
+  double get iconSizeXs =>
+      _iconSizeXs ?? BrnDefaultConfigUtils.defaultCommonConfig.iconSizeXs;
+
+  double get iconSizeSm =>
+      _iconSizeSm ?? BrnDefaultConfigUtils.defaultCommonConfig.iconSizeSm;
+
+  double get iconSizeMd =>
+      _iconSizeMd ?? BrnDefaultConfigUtils.defaultCommonConfig.iconSizeMd;
+
+  double get iconSizeLg =>
+      _iconSizeLg ?? BrnDefaultConfigUtils.defaultCommonConfig.iconSizeLg;
 
   /// 优先级 [GLOBAL_CONFIG_ID] 获取配置 > [BRUNO_CONFIG_ID] 获取配置
   @override
@@ -335,56 +605,56 @@ class BrnCommonConfig extends BrnBaseConfig {
     );
 
     /// 获取合适的 完整配置（BrnAllConfig）
-    this.colorTextBase ??= commonConfig.colorTextBase;
-    this.colorTextImportant ??= commonConfig.colorTextImportant;
-    this.colorTextBaseInverse ??= commonConfig.colorTextBaseInverse;
-    this.colorTextSecondary ??= commonConfig.colorTextSecondary;
-    this.colorTextHint ??= commonConfig.colorTextHint;
-    this.colorTextDisabled ??= commonConfig.colorTextDisabled;
-    this.brandAuxiliary ??= commonConfig.brandAuxiliary;
-    this.colorLink ??= commonConfig.colorLink;
-    this.fillBase ??= commonConfig.fillBase;
-    this.fillBody ??= commonConfig.fillBody;
-    this.fillMask ??= commonConfig.fillMask;
-    this.brandPrimary ??= commonConfig.brandPrimary;
-    this.brandPrimaryTap ??= commonConfig.brandPrimaryTap;
-    this.brandSuccess ??= commonConfig.brandSuccess;
-    this.brandWarning ??= commonConfig.brandWarning;
-    this.brandError ??= commonConfig.brandError;
-    this.brandImportant ??= commonConfig.brandImportant;
-    this.brandImportantValue ??= commonConfig.brandImportantValue;
-    this.borderColorBase ??= commonConfig.borderColorBase;
-    this.dividerColorBase ??= commonConfig.dividerColorBase;
-    this.fontSizeDIN ??= commonConfig.fontSizeDIN;
-    this.fontSizeHeadLg ??= commonConfig.fontSizeHeadLg;
-    this.fontSizeBase ??= commonConfig.fontSizeBase;
-    this.fontSizeHead ??= commonConfig.fontSizeHead;
-    this.fontSizeSubHead ??= commonConfig.fontSizeSubHead;
-    this.fontSizeCaption ??= commonConfig.fontSizeCaption;
-    this.fontSizeCaptionSm ??= commonConfig.fontSizeCaptionSm;
-    this.radiusXs ??= commonConfig.radiusXs;
-    this.radiusSm ??= commonConfig.radiusSm;
-    this.radiusMd ??= commonConfig.radiusMd;
-    this.radiusLg ??= commonConfig.radiusLg;
-    this.borderWidthSm ??= commonConfig.borderWidthSm;
-    this.borderWidthMd ??= commonConfig.borderWidthMd;
-    this.borderWidthLg ??= commonConfig.borderWidthLg;
-    this.hSpacingXs ??= commonConfig.hSpacingXs;
-    this.hSpacingSm ??= commonConfig.hSpacingSm;
-    this.hSpacingMd ??= commonConfig.hSpacingMd;
-    this.hSpacingLg ??= commonConfig.hSpacingLg;
-    this.hSpacingXl ??= commonConfig.hSpacingXl;
-    this.hSpacingXxl ??= commonConfig.hSpacingXxl;
-    this.vSpacingXs ??= commonConfig.vSpacingXs;
-    this.vSpacingSm ??= commonConfig.vSpacingSm;
-    this.vSpacingMd ??= commonConfig.vSpacingMd;
-    this.vSpacingLg ??= commonConfig.vSpacingLg;
-    this.vSpacingXl ??= commonConfig.vSpacingXl;
-    this.vSpacingXxl ??= commonConfig.vSpacingXxl;
-    this.iconSizeXxs ??= commonConfig.iconSizeXxs;
-    this.iconSizeXs ??= commonConfig.iconSizeXs;
-    this.iconSizeSm ??= commonConfig.iconSizeSm;
-    this.iconSizeMd ??= commonConfig.iconSizeMd;
-    this.iconSizeLg ??= commonConfig.iconSizeLg;
+    _colorTextBase ??= commonConfig._colorTextBase;
+    _colorTextImportant ??= commonConfig._colorTextImportant;
+    _colorTextBaseInverse ??= commonConfig._colorTextBaseInverse;
+    _colorTextSecondary ??= commonConfig._colorTextSecondary;
+    _colorTextHint ??= commonConfig._colorTextHint;
+    _colorTextDisabled ??= commonConfig._colorTextDisabled;
+    _brandAuxiliary ??= commonConfig._brandAuxiliary;
+    _colorLink ??= commonConfig._colorLink;
+    _fillBase ??= commonConfig._fillBase;
+    _fillBody ??= commonConfig._fillBody;
+    _fillMask ??= commonConfig._fillMask;
+    _brandPrimary ??= commonConfig._brandPrimary;
+    _brandPrimaryTap ??= commonConfig._brandPrimaryTap;
+    _brandSuccess ??= commonConfig._brandSuccess;
+    _brandWarning ??= commonConfig._brandWarning;
+    _brandError ??= commonConfig._brandError;
+    _brandImportant ??= commonConfig._brandImportant;
+    _brandImportantValue ??= commonConfig._brandImportantValue;
+    _borderColorBase ??= commonConfig._borderColorBase;
+    _dividerColorBase ??= commonConfig._dividerColorBase;
+    _fontSizeDIN ??= commonConfig._fontSizeDIN;
+    _fontSizeHeadLg ??= commonConfig._fontSizeHeadLg;
+    _fontSizeBase ??= commonConfig._fontSizeBase;
+    _fontSizeHead ??= commonConfig._fontSizeHead;
+    _fontSizeSubHead ??= commonConfig._fontSizeSubHead;
+    _fontSizeCaption ??= commonConfig._fontSizeCaption;
+    _fontSizeCaptionSm ??= commonConfig._fontSizeCaptionSm;
+    _radiusXs ??= commonConfig._radiusXs;
+    _radiusSm ??= commonConfig._radiusSm;
+    _radiusMd ??= commonConfig._radiusMd;
+    _radiusLg ??= commonConfig._radiusLg;
+    _borderWidthSm ??= commonConfig._borderWidthSm;
+    _borderWidthMd ??= commonConfig._borderWidthMd;
+    _borderWidthLg ??= commonConfig._borderWidthLg;
+    _hSpacingXs ??= commonConfig._hSpacingXs;
+    _hSpacingSm ??= commonConfig._hSpacingSm;
+    _hSpacingMd ??= commonConfig._hSpacingMd;
+    _hSpacingLg ??= commonConfig._hSpacingLg;
+    _hSpacingXl ??= commonConfig._hSpacingXl;
+    _hSpacingXxl ??= commonConfig._hSpacingXxl;
+    _vSpacingXs ??= commonConfig._vSpacingXs;
+    _vSpacingSm ??= commonConfig._vSpacingSm;
+    _vSpacingMd ??= commonConfig._vSpacingMd;
+    _vSpacingLg ??= commonConfig._vSpacingLg;
+    _vSpacingXl ??= commonConfig._vSpacingXl;
+    _vSpacingXxl ??= commonConfig._vSpacingXxl;
+    _iconSizeXxs ??= commonConfig._iconSizeXxs;
+    _iconSizeXs ??= commonConfig._iconSizeXs;
+    _iconSizeSm ??= commonConfig._iconSizeSm;
+    _iconSizeMd ??= commonConfig._iconSizeMd;
+    _iconSizeLg ??= commonConfig._iconSizeLg;
   }
 }
diff --git a/lib/src/theme/configs/brn_dialog_config.dart b/lib/src/theme/configs/brn_dialog_config.dart
index 75b949fb..cab28d71 100644
--- a/lib/src/theme/configs/brn_dialog_config.dart
+++ b/lib/src/theme/configs/brn_dialog_config.dart
@@ -1,4 +1,5 @@
 import 'package:bruno/src/theme/base/brn_base_config.dart';
+import 'package:bruno/src/theme/base/brn_default_config_utils.dart';
 import 'package:bruno/src/theme/base/brn_text_style.dart';
 import 'package:bruno/src/theme/brn_theme_configurator.dart';
 import 'package:bruno/src/theme/configs/brn_common_config.dart';
@@ -7,43 +8,74 @@ import 'package:flutter/material.dart';
 /// 描述: Dialog 弹框主配置类
 class BrnDialogConfig extends BrnBaseConfig {
   BrnDialogConfig({
-    this.dialogWidth,
-    this.radius,
-    this.iconPadding,
-    this.titlePaddingSm,
-    this.titlePaddingLg,
-    this.titleTextStyle,
-    this.titleTextAlign,
-    this.contentPaddingSm,
-    this.contentPaddingLg,
-    this.contentTextStyle,
-    this.contentTextAlign,
-    this.warningPaddingSm,
-    this.warningPaddingLg,
-    this.warningTextStyle,
-    this.warningTextAlign,
-    this.dividerPadding,
-    this.mainActionTextStyle,
-    this.assistActionsTextStyle,
-    this.mainActionBackgroundColor,
-    this.assistActionsBackgroundColor,
-    this.bottomHeight,
-    this.backgroundColor,
+    double? dialogWidth,
+    double? radius,
+    EdgeInsets? iconPadding,
+    EdgeInsets? titlePaddingSm,
+    EdgeInsets? titlePaddingLg,
+    BrnTextStyle? titleTextStyle,
+    TextAlign? titleTextAlign,
+    EdgeInsets? contentPaddingSm,
+    EdgeInsets? contentPaddingLg,
+    BrnTextStyle? contentTextStyle,
+    TextAlign? contentTextAlign,
+    EdgeInsets? warningPaddingSm,
+    EdgeInsets? warningPaddingLg,
+    BrnTextStyle? warningTextStyle,
+    TextAlign? warningTextAlign,
+    EdgeInsets? dividerPadding,
+    BrnTextStyle? mainActionTextStyle,
+    BrnTextStyle? assistActionsTextStyle,
+    Color? mainActionBackgroundColor,
+    Color? assistActionsBackgroundColor,
+    double? bottomHeight,
+    Color? backgroundColor,
     String configId = GLOBAL_CONFIG_ID,
-  }) : super(configId: configId);
+  })  : _dialogWidth = dialogWidth,
+        _radius = radius,
+        _iconPadding = iconPadding,
+        _titlePaddingSm = titlePaddingSm,
+        _titlePaddingLg = titlePaddingLg,
+        _titleTextStyle = titleTextStyle,
+        _titleTextAlign = titleTextAlign,
+        _contentPaddingSm = contentPaddingSm,
+        _contentPaddingLg = contentPaddingLg,
+        _contentTextStyle = contentTextStyle,
+        _contentTextAlign = contentTextAlign,
+        _warningPaddingSm = warningPaddingSm,
+        _warningPaddingLg = warningPaddingLg,
+        _warningTextStyle = warningTextStyle,
+        _warningTextAlign = warningTextAlign,
+        _dividerPadding = dividerPadding,
+        _mainActionTextStyle = mainActionTextStyle,
+        _assistActionsTextStyle = assistActionsTextStyle,
+        _mainActionBackgroundColor = mainActionBackgroundColor,
+        _assistActionsBackgroundColor = assistActionsBackgroundColor,
+        _bottomHeight = bottomHeight,
+        _backgroundColor = backgroundColor,
+        super(configId: configId);
 
   /// Dialog 宽度
   /// 默认为 300
-  double? dialogWidth;
+  double? _dialogWidth;
+
+  double get dialogWidth =>
+      _dialogWidth ?? BrnDefaultConfigUtils.defaultDialogConfig.dialogWidth;
 
   /// Dialog 四周圆角
   /// 默认为 [BrnCommonConfig.radiusLg]
-  double? radius;
+  double? _radius;
+
+  double get radius =>
+      _radius ?? BrnDefaultConfigUtils.defaultDialogConfig.radius;
 
   /// Dialog icon 距离顶部的边距
   ///
   /// EdgeInsets.only(top: [BrnCommonConfig.vSpacingXxl])
-  EdgeInsets? iconPadding;
+  EdgeInsets? _iconPadding;
+
+  EdgeInsets get iconPadding =>
+      _iconPadding ?? BrnDefaultConfigUtils.defaultDialogConfig.iconPadding;
 
   /// title 在顶部有 icon 时的边距
   ///
@@ -52,7 +84,11 @@ class BrnDialogConfig extends BrnBaseConfig {
   ///   left: [BrnCommonConfig.hSpacingXxl],
   ///   right: [BrnCommonConfig.hSpacingXxl],
   /// )
-  EdgeInsets? titlePaddingSm;
+  EdgeInsets? _titlePaddingSm;
+
+  EdgeInsets get titlePaddingSm =>
+      _titlePaddingSm ??
+      BrnDefaultConfigUtils.defaultDialogConfig.titlePaddingSm;
 
   /// title 当顶部无 icon 时的边距
   ///
@@ -61,7 +97,11 @@ class BrnDialogConfig extends BrnBaseConfig {
   ///   left: [BrnCommonConfig.hSpacingXxl],
   ///   right: [BrnCommonConfig.hSpacingXxl],
   /// )
-  EdgeInsets? titlePaddingLg;
+  EdgeInsets? _titlePaddingLg;
+
+  EdgeInsets get titlePaddingLg =>
+      _titlePaddingLg ??
+      BrnDefaultConfigUtils.defaultDialogConfig.titlePaddingLg;
 
   /// title 标题样式
   ///
@@ -70,11 +110,19 @@ class BrnDialogConfig extends BrnBaseConfig {
   ///   fontSize: [BrnCommonConfig.fontSizeHead],
   ///   fontWeight: FontWeight.w600,
   /// )
-  BrnTextStyle? titleTextStyle;
+  BrnTextStyle? _titleTextStyle;
+
+  BrnTextStyle get titleTextStyle =>
+      _titleTextStyle ??
+      BrnDefaultConfigUtils.defaultDialogConfig.titleTextStyle;
 
   /// 标题的文字对齐
   /// 默认为 [TextAlign.center]
-  TextAlign? titleTextAlign;
+  TextAlign? _titleTextAlign;
+
+  TextAlign get titleTextAlign =>
+      _titleTextAlign ??
+      BrnDefaultConfigUtils.defaultDialogConfig.titleTextAlign;
 
   /// content 当顶部有 title 或者 icon 时的边距
   ///
@@ -83,7 +131,11 @@ class BrnDialogConfig extends BrnBaseConfig {
   ///   left: [BrnCommonConfig.hSpacingXl],
   ///   right: [BrnCommonConfig.hSpacingXl],
   /// )
-  EdgeInsets? contentPaddingSm;
+  EdgeInsets? _contentPaddingSm;
+
+  EdgeInsets get contentPaddingSm =>
+      _contentPaddingSm ??
+      BrnDefaultConfigUtils.defaultDialogConfig.contentPaddingSm;
 
   /// content 当顶部无 title 或者 icon 时的边距
   ///
@@ -92,7 +144,11 @@ class BrnDialogConfig extends BrnBaseConfig {
   ///   left: [BrnCommonConfig.hSpacingXl],
   ///   right: [BrnCommonConfig.hSpacingXl],
   /// )
-  EdgeInsets? contentPaddingLg;
+  EdgeInsets? _contentPaddingLg;
+
+  EdgeInsets get contentPaddingLg =>
+      _contentPaddingLg ??
+      BrnDefaultConfigUtils.defaultDialogConfig.contentPaddingLg;
 
   /// message 内容样式
   ///
@@ -100,11 +156,19 @@ class BrnDialogConfig extends BrnBaseConfig {
   ///   color: [BrnCommonConfig.colorTextImportant],
   ///   fontSize: [BrnCommonConfig.fontSizeBase],
   /// )
-  BrnTextStyle? contentTextStyle;
+  BrnTextStyle? _contentTextStyle;
+
+  BrnTextStyle get contentTextStyle =>
+      _contentTextStyle ??
+      BrnDefaultConfigUtils.defaultDialogConfig.contentTextStyle;
 
   /// 内容文字的对齐
   /// 默认为 [TextAlign.center]
-  TextAlign? contentTextAlign;
+  TextAlign? _contentTextAlign;
+
+  TextAlign get contentTextAlign =>
+      _contentTextAlign ??
+      BrnDefaultConfigUtils.defaultDialogConfig.contentTextAlign;
 
   /// warning 当顶部有 title/icon/content 时的边距
   ///
@@ -113,7 +177,11 @@ class BrnDialogConfig extends BrnBaseConfig {
   ///   left: [BrnCommonConfig.hSpacingXl],
   ///   right: [BrnCommonConfig.hSpacingXl],
   /// )
-  EdgeInsets? warningPaddingSm;
+  EdgeInsets? _warningPaddingSm;
+
+  EdgeInsets get warningPaddingSm =>
+      _warningPaddingSm ??
+      BrnDefaultConfigUtils.defaultDialogConfig.warningPaddingSm;
 
   /// warning 当顶部无 title/icon/content 时的边距
   ///
@@ -122,7 +190,11 @@ class BrnDialogConfig extends BrnBaseConfig {
   ///   left: [BrnCommonConfig.hSpacingXl],
   ///   right: [BrnCommonConfig.hSpacingXl],
   /// )
-  EdgeInsets? warningPaddingLg;
+  EdgeInsets? _warningPaddingLg;
+
+  EdgeInsets get warningPaddingLg =>
+      _warningPaddingLg ??
+      BrnDefaultConfigUtils.defaultDialogConfig.warningPaddingLg;
 
   /// 警告样式
   ///
@@ -130,16 +202,28 @@ class BrnDialogConfig extends BrnBaseConfig {
   ///   color: [BrnCommonConfig.brandError],
   ///   fontSize: [BrnCommonConfig.fontSizeBase],
   /// )
-  BrnTextStyle? warningTextStyle;
+  BrnTextStyle? _warningTextStyle;
+
+  BrnTextStyle get warningTextStyle =>
+      _warningTextStyle ??
+      BrnDefaultConfigUtils.defaultDialogConfig.warningTextStyle;
 
   /// 警示文案文字的对齐
   /// 默认为 [TextAlign.center]
-  TextAlign? warningTextAlign;
+  TextAlign? _warningTextAlign;
+
+  TextAlign get warningTextAlign =>
+      _warningTextAlign ??
+      BrnDefaultConfigUtils.defaultDialogConfig.warningTextAlign;
 
   /// action 顶部 divider 的上方边距
   ///
   /// EdgeInsets.only(top: 28)
-  EdgeInsets? dividerPadding;
+  EdgeInsets? _dividerPadding;
+
+  EdgeInsets get dividerPadding =>
+      _dividerPadding ??
+      BrnDefaultConfigUtils.defaultDialogConfig.dividerPadding;
 
   /// 主色调按钮样式
   ///
@@ -148,11 +232,19 @@ class BrnDialogConfig extends BrnBaseConfig {
   ///   fontSize: [BrnCommonConfig.fontSizeSubHead],
   ///   fontWeight: FontWeight.w600,
   /// )
-  BrnTextStyle? mainActionTextStyle;
+  BrnTextStyle? _mainActionTextStyle;
+
+  BrnTextStyle get mainActionTextStyle =>
+      _mainActionTextStyle ??
+      BrnDefaultConfigUtils.defaultDialogConfig.mainActionTextStyle;
 
   /// 主色调按钮的背景
   /// 默认为 [BrnCommonConfig.fillBase]
-  Color? mainActionBackgroundColor;
+  Color? _mainActionBackgroundColor;
+
+  Color get mainActionBackgroundColor =>
+      _mainActionBackgroundColor ??
+      BrnDefaultConfigUtils.defaultDialogConfig.mainActionBackgroundColor;
 
   /// 其他按钮的样式(超2个时按钮样式)
   /// BrnTextStyle(
@@ -160,19 +252,34 @@ class BrnDialogConfig extends BrnBaseConfig {
   ///   fontSize: [BrnCommonConfig.fontSizeSubHead],
   ///   fontWeight: FontWeight.w600,
   /// )
-  BrnTextStyle? assistActionsTextStyle;
+  BrnTextStyle? _assistActionsTextStyle;
+
+  BrnTextStyle get assistActionsTextStyle =>
+      _assistActionsTextStyle ??
+      BrnDefaultConfigUtils.defaultDialogConfig.assistActionsTextStyle;
 
   /// 其他按钮的背景
   /// 默认为 [BrnCommonConfig.fillBase]
-  Color? assistActionsBackgroundColor;
+  Color? _assistActionsBackgroundColor;
+
+  Color get assistActionsBackgroundColor =>
+      _assistActionsBackgroundColor ??
+      BrnDefaultConfigUtils.defaultDialogConfig.assistActionsBackgroundColor;
 
   /// 底部按钮高度
   /// 默认为 44.0
-  double? bottomHeight;
+  double? _bottomHeight;
+
+  double get bottomHeight =>
+      _bottomHeight ?? BrnDefaultConfigUtils.defaultDialogConfig.bottomHeight;
 
   /// Dialog背景
   /// 默认为 [BrnCommonConfig.fillBase]
-  Color? backgroundColor;
+  Color? _backgroundColor;
+
+  Color get backgroundColor =>
+      _backgroundColor ??
+      BrnDefaultConfigUtils.defaultDialogConfig.backgroundColor;
 
   /// 按优先级，打平 【Bruno 内置配置】 < 【用户全局的默认配置】 < 【用户特殊配置】 < 【临时组件配置】
   ///
@@ -192,92 +299,92 @@ class BrnDialogConfig extends BrnBaseConfig {
     );
 
     /// 用户全局组件配置
-    BrnDialogConfig? dialogConfig = BrnThemeConfigurator.instance
+    BrnDialogConfig dialogConfig = BrnThemeConfigurator.instance
         .getConfig(configId: configId)
         .dialogConfig;
 
-    dialogWidth ??= dialogConfig?.dialogWidth;
-    radius ??= commonConfig.radiusLg;
-    titlePaddingSm ??= EdgeInsets.only(
-      left: commonConfig.hSpacingXxl ?? 0,
-      right: commonConfig.hSpacingXxl ?? 0,
-      top: dialogConfig?.titlePaddingSm?.top ?? 0,
-      bottom: dialogConfig?.titlePaddingSm?.bottom ?? 0,
+    _dialogWidth ??= dialogConfig.dialogWidth;
+    _radius ??= commonConfig.radiusLg;
+    _titlePaddingSm ??= EdgeInsets.only(
+      left: commonConfig.hSpacingXxl,
+      right: commonConfig.hSpacingXxl,
+      top: dialogConfig.titlePaddingSm.top,
+      bottom: dialogConfig.titlePaddingSm.bottom,
     );
-    titlePaddingLg ??= EdgeInsets.only(
-      left: commonConfig.hSpacingXxl ?? 0,
-      right: commonConfig.hSpacingXxl ?? 0,
-      top: dialogConfig?.titlePaddingLg?.top ?? 0,
-      bottom: dialogConfig?.titlePaddingLg?.bottom ?? 0,
+    _titlePaddingLg ??= EdgeInsets.only(
+      left: commonConfig.hSpacingXxl,
+      right: commonConfig.hSpacingXxl,
+      top: dialogConfig.titlePaddingLg.top,
+      bottom: dialogConfig.titlePaddingLg.bottom,
     );
-    iconPadding ??= EdgeInsets.only(
-      left: dialogConfig?.iconPadding?.left ?? 0,
-      top: commonConfig.vSpacingXxl ?? 0,
-      right: dialogConfig?.iconPadding?.right ?? 0,
-      bottom: dialogConfig?.iconPadding?.bottom ?? 0,
+    _iconPadding ??= EdgeInsets.only(
+      left: dialogConfig.iconPadding.left,
+      top: commonConfig.vSpacingXxl,
+      right: dialogConfig.iconPadding.right,
+      bottom: dialogConfig.iconPadding.bottom,
     );
-    titleTextStyle = dialogConfig?.titleTextStyle?.merge(
+    _titleTextStyle = dialogConfig.titleTextStyle.merge(
       BrnTextStyle(
         color: commonConfig.colorTextBase,
         fontSize: commonConfig.fontSizeHead,
-      ).merge(titleTextStyle),
+      ).merge(_titleTextStyle),
     );
-    contentTextStyle = dialogConfig?.contentTextStyle?.merge(
+    _contentTextStyle = dialogConfig.contentTextStyle.merge(
       BrnTextStyle(
         color: commonConfig.colorTextImportant,
         fontSize: commonConfig.fontSizeBase,
-      ).merge(contentTextStyle),
+      ).merge(_contentTextStyle),
     );
-    warningTextStyle = dialogConfig?.warningTextStyle?.merge(
+    _warningTextStyle = dialogConfig.warningTextStyle.merge(
       BrnTextStyle(
         color: commonConfig.brandError,
         fontSize: commonConfig.fontSizeBase,
-      ).merge(warningTextStyle),
+      ).merge(_warningTextStyle),
     );
-    mainActionTextStyle = dialogConfig?.mainActionTextStyle?.merge(
+    _mainActionTextStyle = dialogConfig.mainActionTextStyle.merge(
       BrnTextStyle(
         color: commonConfig.brandPrimary,
         fontSize: commonConfig.fontSizeSubHead,
-      ).merge(mainActionTextStyle),
+      ).merge(_mainActionTextStyle),
     );
-    assistActionsTextStyle = dialogConfig?.assistActionsTextStyle?.merge(
+    _assistActionsTextStyle = dialogConfig.assistActionsTextStyle.merge(
       BrnTextStyle(
         color: commonConfig.colorTextBase,
         fontSize: commonConfig.fontSizeSubHead,
-      ).merge(assistActionsTextStyle),
+      ).merge(_assistActionsTextStyle),
     );
-    contentPaddingSm ??= EdgeInsets.only(
-      left: commonConfig.hSpacingXl ?? 0,
-      right: commonConfig.hSpacingXl ?? 0,
-      top: dialogConfig?.contentPaddingSm?.top ?? 0,
-      bottom: dialogConfig?.contentPaddingSm?.bottom ?? 0,
+    _contentPaddingSm ??= EdgeInsets.only(
+      left: commonConfig.hSpacingXl,
+      right: commonConfig.hSpacingXl,
+      top: dialogConfig.contentPaddingSm.top,
+      bottom: dialogConfig.contentPaddingSm.bottom,
     );
-    contentPaddingSm ??= EdgeInsets.only(
-      left: commonConfig.hSpacingXl ?? 0,
-      right: commonConfig.hSpacingXl ?? 0,
-      top: dialogConfig?.contentPaddingLg?.top ?? 0,
-      bottom: dialogConfig?.contentPaddingLg?.bottom ?? 0,
+    _contentPaddingSm ??= EdgeInsets.only(
+      left: commonConfig.hSpacingXl,
+      right: commonConfig.hSpacingXl,
+      top: dialogConfig.contentPaddingLg.top,
+      bottom: dialogConfig.contentPaddingLg.bottom,
     );
-    warningPaddingSm ??= EdgeInsets.only(
-      left: commonConfig.hSpacingXl ?? 0,
-      right: commonConfig.hSpacingXl ?? 0,
-      top: dialogConfig?.warningPaddingSm?.top ?? 0,
-      bottom: dialogConfig?.warningPaddingSm?.bottom ?? 0,
+    _warningPaddingSm ??= EdgeInsets.only(
+      left: commonConfig.hSpacingXl,
+      right: commonConfig.hSpacingXl,
+      top: dialogConfig.warningPaddingSm.top,
+      bottom: dialogConfig.warningPaddingSm.bottom,
     );
-    warningPaddingLg ??= EdgeInsets.only(
-      left: commonConfig.hSpacingXl ?? 0,
-      right: commonConfig.hSpacingXl ?? 0,
-      top: dialogConfig?.warningPaddingLg?.top ?? 0,
-      bottom: dialogConfig?.warningPaddingLg?.bottom ?? 0,
+    _warningPaddingLg ??= EdgeInsets.only(
+      left: commonConfig.hSpacingXl,
+      right: commonConfig.hSpacingXl,
+      top: dialogConfig.warningPaddingLg.top,
+      bottom: dialogConfig.warningPaddingLg.bottom,
     );
-    titleTextAlign ??= dialogConfig?.titleTextAlign;
-    contentTextAlign ??= dialogConfig?.contentTextAlign;
-    warningTextAlign ??= dialogConfig?.warningTextAlign;
-    mainActionBackgroundColor ??= commonConfig.fillBase;
-    assistActionsBackgroundColor ??= commonConfig.fillBase;
-    bottomHeight ??= dialogConfig?.bottomHeight;
-    dividerPadding ??= dialogConfig?.dividerPadding;
-    backgroundColor ??= commonConfig.fillBase;
+    _titleTextAlign ??= dialogConfig.titleTextAlign;
+    _contentTextAlign ??= dialogConfig.contentTextAlign;
+    _warningTextAlign ??= dialogConfig.warningTextAlign;
+    _mainActionBackgroundColor ??= commonConfig.fillBase;
+    _assistActionsBackgroundColor ??= commonConfig.fillBase;
+    _bottomHeight ??= dialogConfig.bottomHeight;
+    _dividerPadding ??= dialogConfig.dividerPadding;
+    _backgroundColor ??= commonConfig.fillBase;
   }
 
   BrnDialogConfig copyWith({
@@ -305,66 +412,60 @@ class BrnDialogConfig extends BrnBaseConfig {
     Color? backgroundColor,
   }) {
     return BrnDialogConfig(
-      dialogWidth: dialogWidth ?? this.dialogWidth,
-      radius: radius ?? this.radius,
-      iconPadding: iconPadding ?? this.iconPadding,
-      titlePaddingSm: titlePaddingSm ?? this.titlePaddingSm,
-      titlePaddingLg: titlePaddingLg ?? this.titlePaddingLg,
-      titleTextStyle: titleTextStyle ?? this.titleTextStyle,
-      titleTextAlign: titleTextAlign ?? this.titleTextAlign,
-      contentPaddingSm: contentPaddingSm ?? this.contentPaddingSm,
-      contentPaddingLg: contentPaddingLg ?? this.contentPaddingLg,
-      contentTextStyle: contentTextStyle ?? this.contentTextStyle,
-      contentTextAlign: contentTextAlign ?? this.contentTextAlign,
-      warningPaddingSm: warningPaddingSm ?? this.warningPaddingSm,
-      warningPaddingLg: warningPaddingLg ?? this.warningPaddingLg,
-      warningTextStyle: warningTextStyle ?? this.warningTextStyle,
-      warningTextAlign: warningTextAlign ?? this.warningTextAlign,
-      dividerPadding: dividerPadding ?? this.dividerPadding,
-      mainActionTextStyle: mainActionTextStyle ?? this.mainActionTextStyle,
-      assistActionsTextStyle:
-          assistActionsTextStyle ?? this.assistActionsTextStyle,
+      dialogWidth: dialogWidth ?? _dialogWidth,
+      radius: radius ?? _radius,
+      iconPadding: iconPadding ?? _iconPadding,
+      titlePaddingSm: titlePaddingSm ?? _titlePaddingSm,
+      titlePaddingLg: titlePaddingLg ?? _titlePaddingLg,
+      titleTextStyle: titleTextStyle ?? _titleTextStyle,
+      titleTextAlign: titleTextAlign ?? _titleTextAlign,
+      contentPaddingSm: contentPaddingSm ?? _contentPaddingSm,
+      contentPaddingLg: contentPaddingLg ?? _contentPaddingLg,
+      contentTextStyle: contentTextStyle ?? _contentTextStyle,
+      contentTextAlign: contentTextAlign ?? _contentTextAlign,
+      warningPaddingSm: warningPaddingSm ?? _warningPaddingSm,
+      warningPaddingLg: warningPaddingLg ?? _warningPaddingLg,
+      warningTextStyle: warningTextStyle ?? _warningTextStyle,
+      warningTextAlign: warningTextAlign ?? _warningTextAlign,
+      dividerPadding: dividerPadding ?? _dividerPadding,
+      mainActionTextStyle: mainActionTextStyle ?? _mainActionTextStyle,
+      assistActionsTextStyle: assistActionsTextStyle ?? _assistActionsTextStyle,
       mainActionBackgroundColor:
-          mainActionBackgroundColor ?? this.mainActionBackgroundColor,
+          mainActionBackgroundColor ?? _mainActionBackgroundColor,
       assistActionsBackgroundColor:
-          assistActionsBackgroundColor ?? this.assistActionsBackgroundColor,
-      bottomHeight: bottomHeight ?? this.bottomHeight,
-      backgroundColor: backgroundColor ?? this.backgroundColor,
+          assistActionsBackgroundColor ?? _assistActionsBackgroundColor,
+      bottomHeight: bottomHeight ?? _bottomHeight,
+      backgroundColor: backgroundColor ?? _backgroundColor,
     );
   }
 
   BrnDialogConfig merge(BrnDialogConfig? other) {
     if (other == null) return this;
     return copyWith(
-      dialogWidth: other.dialogWidth,
-      radius: other.radius,
-      iconPadding: other.iconPadding,
-      titlePaddingSm: other.titlePaddingSm,
-      titlePaddingLg: other.titlePaddingLg,
-      titleTextStyle:
-          titleTextStyle?.merge(other.titleTextStyle) ?? other.titleTextStyle,
-      titleTextAlign: other.titleTextAlign,
-      contentPaddingSm: other.contentPaddingSm,
-      contentPaddingLg: other.contentPaddingLg,
-      contentTextStyle: contentTextStyle?.merge(other.contentTextStyle) ??
-          other.contentTextStyle,
-      contentTextAlign: other.contentTextAlign,
-      warningPaddingSm: other.warningPaddingSm,
-      warningPaddingLg: other.warningPaddingLg,
-      warningTextStyle: warningTextStyle?.merge(other.warningTextStyle) ??
-          other.warningTextStyle,
-      warningTextAlign: other.warningTextAlign,
-      dividerPadding: other.dividerPadding,
+      dialogWidth: other._dialogWidth,
+      radius: other._radius,
+      iconPadding: other._iconPadding,
+      titlePaddingSm: other._titlePaddingSm,
+      titlePaddingLg: other._titlePaddingLg,
+      titleTextStyle: titleTextStyle.merge(other._titleTextStyle),
+      titleTextAlign: other._titleTextAlign,
+      contentPaddingSm: other._contentPaddingSm,
+      contentPaddingLg: other._contentPaddingLg,
+      contentTextStyle: contentTextStyle.merge(other._contentTextStyle),
+      contentTextAlign: other._contentTextAlign,
+      warningPaddingSm: other._warningPaddingSm,
+      warningPaddingLg: other._warningPaddingLg,
+      warningTextStyle: warningTextStyle.merge(other._warningTextStyle),
+      warningTextAlign: other._warningTextAlign,
+      dividerPadding: other._dividerPadding,
       mainActionTextStyle:
-          mainActionTextStyle?.merge(other.mainActionTextStyle) ??
-              other.mainActionTextStyle,
+          mainActionTextStyle.merge(other._mainActionTextStyle),
       assistActionsTextStyle:
-          assistActionsTextStyle?.merge(other.assistActionsTextStyle) ??
-              other.assistActionsTextStyle,
-      mainActionBackgroundColor: other.mainActionBackgroundColor,
-      assistActionsBackgroundColor: other.assistActionsBackgroundColor,
-      bottomHeight: other.bottomHeight,
-      backgroundColor: other.backgroundColor,
+          assistActionsTextStyle.merge(other._assistActionsTextStyle),
+      mainActionBackgroundColor: other._mainActionBackgroundColor,
+      assistActionsBackgroundColor: other._assistActionsBackgroundColor,
+      bottomHeight: other._bottomHeight,
+      backgroundColor: other._backgroundColor,
     );
   }
 }
diff --git a/lib/src/theme/configs/brn_enhance_number_card_config.dart b/lib/src/theme/configs/brn_enhance_number_card_config.dart
index 8e710f8b..12c261aa 100644
--- a/lib/src/theme/configs/brn_enhance_number_card_config.dart
+++ b/lib/src/theme/configs/brn_enhance_number_card_config.dart
@@ -1,4 +1,5 @@
 import 'package:bruno/src/theme/base/brn_base_config.dart';
+import 'package:bruno/src/theme/base/brn_default_config_utils.dart';
 import 'package:bruno/src/theme/base/brn_text_style.dart';
 import 'package:bruno/src/theme/brn_theme_configurator.dart';
 import 'package:bruno/src/theme/configs/brn_common_config.dart';
@@ -6,25 +7,50 @@ import 'package:bruno/src/theme/configs/brn_common_config.dart';
 /// 强化数字展示组件配置
 class BrnEnhanceNumberCardConfig extends BrnBaseConfig {
   /// 遵循外部主题配置
-  /// 默认为 [BrnDefaultConfigUtils.defaultNumberInfoConfig]
+  /// 默认为 [BrnDefaultConfigUtils.defaultEnhanceNumberInfoConfig]
   BrnEnhanceNumberCardConfig({
-    this.runningSpace,
-    this.itemRunningSpace,
-    this.titleTextStyle,
-    this.descTextStyle,
-    this.dividerWidth,
+    double? runningSpace,
+    double? itemRunningSpace,
+    BrnTextStyle? titleTextStyle,
+    BrnTextStyle? descTextStyle,
+    double? dividerWidth,
     String configId: GLOBAL_CONFIG_ID,
-  }) : super(configId: configId);
+  })  : _runningSpace = runningSpace,
+        _itemRunningSpace = itemRunningSpace,
+        _titleTextStyle = titleTextStyle,
+        _descTextStyle = descTextStyle,
+        _dividerWidth = dividerWidth,
+        super(configId: configId);
 
   /// 如果超过一行，行间距
-  double? runningSpace;
+  double? _runningSpace;
+
+  double get runningSpace =>
+      _runningSpace ??
+      BrnDefaultConfigUtils.defaultEnhanceNumberInfoConfig.runningSpace;
 
   /// Item的上半部分和下半部分的间距
-  double? itemRunningSpace;
-  double? dividerWidth;
+  double? _itemRunningSpace;
+
+  double get itemRunningSpace =>
+      _itemRunningSpace ??
+      BrnDefaultConfigUtils.defaultEnhanceNumberInfoConfig.itemRunningSpace;
+
+  double? _dividerWidth;
+
+  double get dividerWidth =>
+      _dividerWidth ??
+      BrnDefaultConfigUtils.defaultEnhanceNumberInfoConfig.dividerWidth;
+  BrnTextStyle? _titleTextStyle;
+
+  BrnTextStyle get titleTextStyle =>
+      _titleTextStyle ??
+      BrnDefaultConfigUtils.defaultEnhanceNumberInfoConfig.titleTextStyle;
+  BrnTextStyle? _descTextStyle;
 
-  BrnTextStyle? titleTextStyle;
-  BrnTextStyle? descTextStyle;
+  BrnTextStyle get descTextStyle =>
+      _descTextStyle ??
+      BrnDefaultConfigUtils.defaultEnhanceNumberInfoConfig.descTextStyle;
 
   @override
   void initThemeConfig(
@@ -36,18 +62,18 @@ class BrnEnhanceNumberCardConfig extends BrnBaseConfig {
       currentLevelCommonConfig: currentLevelCommonConfig,
     );
 
-    BrnEnhanceNumberCardConfig? userConfig = BrnThemeConfigurator.instance
+    BrnEnhanceNumberCardConfig userConfig = BrnThemeConfigurator.instance
         .getConfig(configId: configId)
         .enhanceNumberCardConfig;
 
-    runningSpace ??= userConfig?.runningSpace;
-    itemRunningSpace ??= userConfig?.itemRunningSpace;
-    dividerWidth ??= userConfig?.dividerWidth;
-    titleTextStyle = userConfig?.titleTextStyle?.merge(
-      BrnTextStyle(color: commonConfig.colorTextBase).merge(titleTextStyle),
+    _runningSpace ??= userConfig._runningSpace;
+    _itemRunningSpace ??= userConfig._itemRunningSpace;
+    _dividerWidth ??= userConfig._dividerWidth;
+    _titleTextStyle = userConfig.titleTextStyle.merge(
+      BrnTextStyle(color: commonConfig.colorTextBase).merge(_titleTextStyle),
     );
-    descTextStyle = userConfig?.descTextStyle?.merge(
-      BrnTextStyle(color: commonConfig.colorTextSecondary).merge(descTextStyle),
+    _descTextStyle = userConfig.descTextStyle.merge(
+      BrnTextStyle(color: commonConfig.colorTextSecondary).merge(_descTextStyle),
     );
   }
 
@@ -59,24 +85,22 @@ class BrnEnhanceNumberCardConfig extends BrnBaseConfig {
     BrnTextStyle? descTextStyle,
   }) {
     return BrnEnhanceNumberCardConfig(
-      runningSpace: runningSpace ?? this.runningSpace,
-      itemRunningSpace: itemRunningSpace ?? this.itemRunningSpace,
-      dividerWidth: dividerWidth ?? this.dividerWidth,
-      titleTextStyle: titleTextStyle ?? this.titleTextStyle,
-      descTextStyle: descTextStyle ?? this.descTextStyle,
+      runningSpace: runningSpace ?? _runningSpace,
+      itemRunningSpace: itemRunningSpace ?? _itemRunningSpace,
+      dividerWidth: dividerWidth ?? _dividerWidth,
+      titleTextStyle: titleTextStyle ?? _titleTextStyle,
+      descTextStyle: descTextStyle ?? _descTextStyle,
     );
   }
 
   BrnEnhanceNumberCardConfig merge(BrnEnhanceNumberCardConfig? other) {
     if (other == null) return this;
     return copyWith(
-      runningSpace: other.runningSpace,
-      itemRunningSpace: other.itemRunningSpace,
-      dividerWidth: other.dividerWidth,
-      titleTextStyle:
-          titleTextStyle?.merge(other.titleTextStyle) ?? other.titleTextStyle,
-      descTextStyle:
-          descTextStyle?.merge(other.descTextStyle) ?? other.descTextStyle,
+      runningSpace: other._runningSpace,
+      itemRunningSpace: other._itemRunningSpace,
+      dividerWidth: other._dividerWidth,
+      titleTextStyle: titleTextStyle.merge(other._titleTextStyle),
+      descTextStyle: descTextStyle.merge(other._descTextStyle),
     );
   }
 }
diff --git a/lib/src/theme/configs/brn_form_config.dart b/lib/src/theme/configs/brn_form_config.dart
index 210e3e95..0a932215 100644
--- a/lib/src/theme/configs/brn_form_config.dart
+++ b/lib/src/theme/configs/brn_form_config.dart
@@ -1,4 +1,5 @@
 import 'package:bruno/src/theme/base/brn_base_config.dart';
+import 'package:bruno/src/theme/base/brn_default_config_utils.dart';
 import 'package:bruno/src/theme/base/brn_text_style.dart';
 import 'package:bruno/src/theme/brn_theme_configurator.dart';
 import 'package:bruno/src/theme/configs/brn_common_config.dart';
@@ -9,24 +10,40 @@ class BrnFormItemConfig extends BrnBaseConfig {
   /// 遵循全局配置
   /// 默认为 [BrnDefaultConfigUtils.defaultFormItemConfig]
   BrnFormItemConfig({
-    this.titleTextStyle,
-    this.subTitleTextStyle,
-    this.errorTextStyle,
-    this.hintTextStyle,
-    this.contentTextStyle,
-    this.formPadding,
-    this.titlePaddingSm,
-    this.titlePaddingLg,
-    this.optionsMiddlePadding,
-    this.subTitlePadding,
-    this.errorPadding,
-    this.disableTextStyle,
-    this.tipsTextStyle,
-    this.headTitleTextStyle,
-    this.optionTextStyle,
-    this.optionSelectedTextStyle,
+    BrnTextStyle? titleTextStyle,
+    BrnTextStyle? subTitleTextStyle,
+    BrnTextStyle? errorTextStyle,
+    BrnTextStyle? hintTextStyle,
+    BrnTextStyle? contentTextStyle,
+    EdgeInsets? formPadding,
+    EdgeInsets? titlePaddingSm,
+    EdgeInsets? titlePaddingLg,
+    EdgeInsets? optionsMiddlePadding,
+    EdgeInsets? subTitlePadding,
+    EdgeInsets? errorPadding,
+    BrnTextStyle? disableTextStyle,
+    BrnTextStyle? tipsTextStyle,
+    BrnTextStyle? headTitleTextStyle,
+    BrnTextStyle? optionTextStyle,
+    BrnTextStyle? optionSelectedTextStyle,
     String configId = GLOBAL_CONFIG_ID,
-  }) : super(configId: configId);
+  })  : _titleTextStyle = titleTextStyle,
+        _subTitleTextStyle = subTitleTextStyle,
+        _errorTextStyle = errorTextStyle,
+        _hintTextStyle = hintTextStyle,
+        _contentTextStyle = contentTextStyle,
+        _formPadding = formPadding,
+        _titlePaddingSm = titlePaddingSm,
+        _titlePaddingLg = titlePaddingLg,
+        _optionsMiddlePadding = optionsMiddlePadding,
+        _subTitlePadding = subTitlePadding,
+        _errorPadding = errorPadding,
+        _disableTextStyle = disableTextStyle,
+        _tipsTextStyle = tipsTextStyle,
+        _headTitleTextStyle = headTitleTextStyle,
+        _optionTextStyle = optionTextStyle,
+        _optionSelectedTextStyle = optionSelectedTextStyle,
+        super(configId: configId);
 
   BrnFormItemConfig.generatorFromConfigId(String configId) {
     initThemeConfig(configId);
@@ -38,7 +55,7 @@ class BrnFormItemConfig extends BrnBaseConfig {
   ///   color: [BrnCommonConfig.colorTextBase],
   ///   fontSize: [BrnCommonConfig.fontSizeHead],
   /// )
-  BrnTextStyle? headTitleTextStyle;
+  BrnTextStyle? _headTitleTextStyle;
 
   /// 左侧标题文本样式
   ///
@@ -46,7 +63,7 @@ class BrnFormItemConfig extends BrnBaseConfig {
   ///   color: [BrnCommonConfig.colorTextBase],
   ///   fontSize: [BrnCommonConfig.fontSizeSubHead],
   /// )
-  BrnTextStyle? titleTextStyle;
+  BrnTextStyle? _titleTextStyle;
 
   /// 左侧辅助文本样式
   ///
@@ -54,7 +71,7 @@ class BrnFormItemConfig extends BrnBaseConfig {
   ///   color: [BrnCommonConfig.colorTextSecondary],
   ///   fontSize: [BrnCommonConfig.fontSizeCaption],
   /// )
-  BrnTextStyle? subTitleTextStyle;
+  BrnTextStyle? _subTitleTextStyle;
 
   /// 左侧 Error 文本样式
   ///
@@ -62,7 +79,7 @@ class BrnFormItemConfig extends BrnBaseConfig {
   ///   color: [BrnCommonConfig.brandError],
   ///   fontSize: [BrnCommonConfig.fontSizeCaption],
   /// )
-  BrnTextStyle? errorTextStyle;
+  BrnTextStyle? _errorTextStyle;
 
   /// 右侧 输入、选择提示文本样式
   ///
@@ -70,7 +87,7 @@ class BrnFormItemConfig extends BrnBaseConfig {
   ///   color: [BrnCommonConfig.colorTextHint],
   ///   fontSize: [BrnCommonConfig.fontSizeSubHead],
   /// )
-  BrnTextStyle? hintTextStyle;
+  BrnTextStyle? _hintTextStyle;
 
   /// 右侧 主要内容样式
   ///
@@ -78,7 +95,7 @@ class BrnFormItemConfig extends BrnBaseConfig {
   ///   color: [BrnCommonConfig.colorTextBase],
   ///   fontSize: [BrnCommonConfig.fontSizeSubHead],
   /// )
-  BrnTextStyle? contentTextStyle;
+  BrnTextStyle? _contentTextStyle;
 
   /// 表单项 当有星号标识 上下右边距
   ///
@@ -88,22 +105,22 @@ class BrnFormItemConfig extends BrnBaseConfig {
   ///   right: [BrnCommonConfig.hSpacingLg],
   ///   bottom: [BrnCommonConfig.vSpacingLg],
   /// )
-  EdgeInsets? formPadding;
+  EdgeInsets? _formPadding;
 
   /// 表单项 当有星号标识 左边距
   ///
   /// EdgeInsets.only(left: 10)
-  EdgeInsets? titlePaddingSm;
+  EdgeInsets? _titlePaddingSm;
 
   /// 表单项 当无星号标识 左右边距
   ///
   /// EdgeInsets.only(left: [BrnCommonConfig.hSpacingLg])
-  EdgeInsets? titlePaddingLg;
+  EdgeInsets? _titlePaddingLg;
 
   /// 选项之间间距 单选 or 多选
   ///
   /// EdgeInsets.only(left: [BrnCommonConfig.hSpacingMd])
-  EdgeInsets? optionsMiddlePadding;
+  EdgeInsets? _optionsMiddlePadding;
 
   /// 选项普通文本样式
   ///
@@ -112,7 +129,7 @@ class BrnFormItemConfig extends BrnBaseConfig {
   ///   fontSize: [BrnCommonConfig.fontSizeSubHead],
   ///   height: 1.3,
   /// )
-  BrnTextStyle? optionTextStyle;
+  BrnTextStyle? _optionTextStyle;
 
   /// 选项选中文本样式
   ///
@@ -121,7 +138,7 @@ class BrnFormItemConfig extends BrnBaseConfig {
   ///   fontSize: [BrnCommonConfig.fontSizeSubHead],
   ///   height: 1.3,
   /// )
-  BrnTextStyle? optionSelectedTextStyle;
+  BrnTextStyle? _optionSelectedTextStyle;
 
   /// 子标题 左上间距
   ///
@@ -129,7 +146,7 @@ class BrnFormItemConfig extends BrnBaseConfig {
   ///   left: [BrnCommonConfig.hSpacingLg],
   ///   top: [BrnCommonConfig.vSpacingXs],
   /// )
-  EdgeInsets? subTitlePadding;
+  EdgeInsets? _subTitlePadding;
 
   /// error提示 左上间距
   ///
@@ -137,7 +154,7 @@ class BrnFormItemConfig extends BrnBaseConfig {
   ///   left: [BrnCommonConfig.hSpacingLg],
   ///   top: [BrnCommonConfig.vSpacingXs],
   /// )
-  EdgeInsets? errorPadding;
+  EdgeInsets? _errorPadding;
 
   /// 不可修改内容展示
   ///
@@ -145,7 +162,7 @@ class BrnFormItemConfig extends BrnBaseConfig {
   ///   color: [BrnCommonConfig.colorTextDisabled],
   ///   fontSize: [BrnCommonConfig.fontSizeSubHead],
   /// )
-  BrnTextStyle? disableTextStyle;
+  BrnTextStyle? _disableTextStyle;
 
   /// 提示文本样式
   ///
@@ -153,7 +170,69 @@ class BrnFormItemConfig extends BrnBaseConfig {
   ///   color: [BrnCommonConfig.colorTextSecondary],
   ///   fontSize: [BrnCommonConfig.fontSizeBase],
   /// )
-  BrnTextStyle? tipsTextStyle;
+  BrnTextStyle? _tipsTextStyle;
+
+  BrnTextStyle get headTitleTextStyle =>
+      _headTitleTextStyle ??
+      BrnDefaultConfigUtils.defaultFormItemConfig.headTitleTextStyle;
+
+  BrnTextStyle get titleTextStyle =>
+      _titleTextStyle ??
+      BrnDefaultConfigUtils.defaultFormItemConfig.titleTextStyle;
+
+  BrnTextStyle get subTitleTextStyle =>
+      _subTitleTextStyle ??
+      BrnDefaultConfigUtils.defaultFormItemConfig.subTitleTextStyle;
+
+  BrnTextStyle get errorTextStyle =>
+      _errorTextStyle ??
+      BrnDefaultConfigUtils.defaultFormItemConfig.errorTextStyle;
+
+  BrnTextStyle get hintTextStyle =>
+      _hintTextStyle ??
+      BrnDefaultConfigUtils.defaultFormItemConfig.hintTextStyle;
+
+  BrnTextStyle get contentTextStyle =>
+      _contentTextStyle ??
+      BrnDefaultConfigUtils.defaultFormItemConfig.contentTextStyle;
+
+  EdgeInsets get formPadding =>
+      _formPadding ?? BrnDefaultConfigUtils.defaultFormItemConfig.formPadding;
+
+  EdgeInsets get titlePaddingSm =>
+      _titlePaddingSm ??
+      BrnDefaultConfigUtils.defaultFormItemConfig.titlePaddingSm;
+
+  EdgeInsets get titlePaddingLg =>
+      _titlePaddingLg ??
+      BrnDefaultConfigUtils.defaultFormItemConfig.titlePaddingLg;
+
+  EdgeInsets get optionsMiddlePadding =>
+      _optionsMiddlePadding ??
+      BrnDefaultConfigUtils.defaultFormItemConfig.optionsMiddlePadding;
+
+  BrnTextStyle get optionTextStyle =>
+      _optionTextStyle ??
+      BrnDefaultConfigUtils.defaultFormItemConfig.optionTextStyle;
+
+  BrnTextStyle get optionSelectedTextStyle =>
+      _optionSelectedTextStyle ??
+      BrnDefaultConfigUtils.defaultFormItemConfig.optionSelectedTextStyle;
+
+  EdgeInsets get subTitlePadding =>
+      _subTitlePadding ??
+      BrnDefaultConfigUtils.defaultFormItemConfig.subTitlePadding;
+
+  EdgeInsets get errorPadding =>
+      _errorPadding ?? BrnDefaultConfigUtils.defaultFormItemConfig.errorPadding;
+
+  BrnTextStyle get disableTextStyle =>
+      _disableTextStyle ??
+      BrnDefaultConfigUtils.defaultFormItemConfig.disableTextStyle;
+
+  BrnTextStyle get tipsTextStyle =>
+      _tipsTextStyle ??
+      BrnDefaultConfigUtils.defaultFormItemConfig.tipsTextStyle;
 
   /// 举例：
   /// ① 尝试获取最近的配置 [topRadius] 若配不为 null，直接使用该配置.
@@ -171,91 +250,91 @@ class BrnFormItemConfig extends BrnBaseConfig {
     );
 
     /// 用户全局form组件配置
-    BrnFormItemConfig? formItemThemeData = BrnThemeConfigurator.instance
+    BrnFormItemConfig formItemThemeData = BrnThemeConfigurator.instance
         .getConfig(configId: configId)
         .formItemConfig;
 
-    titlePaddingSm ??= formItemThemeData?.titlePaddingSm;
-    titlePaddingLg ??= formItemThemeData?.titlePaddingLg;
-    optionSelectedTextStyle = formItemThemeData?.optionSelectedTextStyle?.merge(
+    _titlePaddingSm ??= formItemThemeData.titlePaddingSm;
+    _titlePaddingLg ??= formItemThemeData.titlePaddingLg;
+    _optionSelectedTextStyle = formItemThemeData.optionSelectedTextStyle.merge(
       BrnTextStyle(
         color: commonConfig.brandPrimary,
         fontSize: commonConfig.fontSizeSubHead,
-      ).merge(optionSelectedTextStyle),
+      ).merge(_optionSelectedTextStyle),
     );
-    optionTextStyle = formItemThemeData?.optionTextStyle?.merge(
+    _optionTextStyle = formItemThemeData.optionTextStyle.merge(
       BrnTextStyle(
         color: commonConfig.colorTextBase,
         fontSize: commonConfig.fontSizeSubHead,
-      ).merge(optionTextStyle),
+      ).merge(_optionTextStyle),
     );
-    headTitleTextStyle = formItemThemeData?.headTitleTextStyle?.merge(
+    _headTitleTextStyle = formItemThemeData.headTitleTextStyle.merge(
       BrnTextStyle(
         color: commonConfig.colorTextBase,
         fontSize: commonConfig.fontSizeHead,
-      ).merge(headTitleTextStyle),
+      ).merge(_headTitleTextStyle),
     );
-    errorPadding ??= EdgeInsets.only(
-      left: commonConfig.hSpacingLg ?? 0,
-      right: formItemThemeData?.errorPadding?.right ?? 0,
-      top: commonConfig.vSpacingXs ?? 0,
-      bottom: formItemThemeData?.errorPadding?.bottom ?? 0,
+    _errorPadding ??= EdgeInsets.only(
+      left: commonConfig.hSpacingLg,
+      right: formItemThemeData.errorPadding.right,
+      top: commonConfig.vSpacingXs,
+      bottom: formItemThemeData.errorPadding.bottom,
     );
-    subTitlePadding ??= EdgeInsets.only(
-      left: commonConfig.hSpacingLg ?? 0,
-      right: formItemThemeData?.subTitlePadding?.right ?? 0,
-      top: commonConfig.vSpacingXs ?? 0,
-      bottom: formItemThemeData?.subTitlePadding?.bottom ?? 0,
+    _subTitlePadding ??= EdgeInsets.only(
+      left: commonConfig.hSpacingLg,
+      right: formItemThemeData.subTitlePadding.right,
+      top: commonConfig.vSpacingXs,
+      bottom: formItemThemeData.subTitlePadding.bottom,
     );
-    formPadding ??= EdgeInsets.only(
-      left: formItemThemeData?.formPadding?.left ?? 0,
-      right: commonConfig.hSpacingLg ?? 0,
-      top: commonConfig.vSpacingLg ?? 0,
-      bottom: commonConfig.vSpacingLg ?? 0,
+    _formPadding ??= EdgeInsets.only(
+      left: formItemThemeData.formPadding.left,
+      right: commonConfig.hSpacingLg,
+      top: commonConfig.vSpacingLg,
+      bottom: commonConfig.vSpacingLg,
     );
-    tipsTextStyle = formItemThemeData?.tipsTextStyle?.merge(
+    _tipsTextStyle = formItemThemeData.tipsTextStyle.merge(
       BrnTextStyle(
         color: commonConfig.colorTextSecondary,
         fontSize: commonConfig.fontSizeBase,
-      ).merge(tipsTextStyle),
+      ).merge(_tipsTextStyle),
     );
-    disableTextStyle = formItemThemeData?.disableTextStyle?.merge(
+    _disableTextStyle = formItemThemeData.disableTextStyle.merge(
       BrnTextStyle(
         color: commonConfig.colorTextDisabled,
         fontSize: commonConfig.fontSizeSubHead,
-      ).merge(disableTextStyle),
+      ).merge(_disableTextStyle),
     );
-    contentTextStyle = formItemThemeData?.contentTextStyle?.merge(
+    _contentTextStyle = formItemThemeData.contentTextStyle.merge(
       BrnTextStyle(
         color: commonConfig.colorTextBase,
         fontSize: commonConfig.fontSizeSubHead,
-      ).merge(contentTextStyle),
+      ).merge(_contentTextStyle),
     );
-    hintTextStyle = formItemThemeData?.hintTextStyle?.merge(
+    _hintTextStyle = formItemThemeData.hintTextStyle.merge(
       BrnTextStyle(
         color: commonConfig.colorTextHint,
         fontSize: commonConfig.fontSizeSubHead,
-      ).merge(hintTextStyle),
+      ).merge(_hintTextStyle),
     );
-    titleTextStyle = formItemThemeData?.titleTextStyle?.merge(
+    _titleTextStyle = formItemThemeData.titleTextStyle.merge(
       BrnTextStyle(
         color: commonConfig.colorTextBase,
         fontSize: commonConfig.fontSizeSubHead,
-      ).merge(titleTextStyle),
+      ).merge(_titleTextStyle),
     );
-    subTitleTextStyle = formItemThemeData?.subTitleTextStyle?.merge(
+    _subTitleTextStyle = formItemThemeData.subTitleTextStyle.merge(
       BrnTextStyle(
         color: commonConfig.colorTextSecondary,
         fontSize: commonConfig.fontSizeCaption,
-      ).merge(subTitleTextStyle),
+      ).merge(_subTitleTextStyle),
     );
-    errorTextStyle = formItemThemeData?.errorTextStyle?.merge(
+    _errorTextStyle = formItemThemeData.errorTextStyle.merge(
       BrnTextStyle(
         color: commonConfig.brandError,
         fontSize: commonConfig.fontSizeCaption,
-      ).merge(errorTextStyle),
+      ).merge(_errorTextStyle),
     );
-    optionsMiddlePadding ??= formItemThemeData?.optionsMiddlePadding;
+    _optionsMiddlePadding ??= formItemThemeData.optionsMiddlePadding;
   }
 
   BrnFormItemConfig copyWith({
@@ -277,56 +356,46 @@ class BrnFormItemConfig extends BrnBaseConfig {
     BrnTextStyle? optionSelectedTextStyle,
   }) {
     return BrnFormItemConfig(
-      titleTextStyle: titleTextStyle ?? this.titleTextStyle,
-      subTitleTextStyle: subTitleTextStyle ?? this.subTitleTextStyle,
-      errorTextStyle: errorTextStyle ?? this.errorTextStyle,
-      hintTextStyle: hintTextStyle ?? this.hintTextStyle,
-      contentTextStyle: contentTextStyle ?? this.contentTextStyle,
-      formPadding: formPadding ?? this.formPadding,
-      titlePaddingSm: titlePaddingSm ?? this.titlePaddingSm,
-      titlePaddingLg: titlePaddingLg ?? this.titlePaddingLg,
-      optionsMiddlePadding: optionsMiddlePadding ?? this.optionsMiddlePadding,
-      subTitlePadding: subTitlePadding ?? this.subTitlePadding,
-      errorPadding: errorPadding ?? this.errorPadding,
-      disableTextStyle: disableTextStyle ?? this.disableTextStyle,
-      tipsTextStyle: tipsTextStyle ?? this.tipsTextStyle,
-      headTitleTextStyle: headTitleTextStyle ?? this.headTitleTextStyle,
-      optionTextStyle: optionTextStyle ?? this.optionTextStyle,
+      titleTextStyle: titleTextStyle ?? _titleTextStyle,
+      subTitleTextStyle: subTitleTextStyle ?? _subTitleTextStyle,
+      errorTextStyle: errorTextStyle ?? _errorTextStyle,
+      hintTextStyle: hintTextStyle ?? _hintTextStyle,
+      contentTextStyle: contentTextStyle ?? _contentTextStyle,
+      formPadding: formPadding ?? _formPadding,
+      titlePaddingSm: titlePaddingSm ?? _titlePaddingSm,
+      titlePaddingLg: titlePaddingLg ?? _titlePaddingLg,
+      optionsMiddlePadding: optionsMiddlePadding ?? _optionsMiddlePadding,
+      subTitlePadding: subTitlePadding ?? _subTitlePadding,
+      errorPadding: errorPadding ?? _errorPadding,
+      disableTextStyle: disableTextStyle ?? _disableTextStyle,
+      tipsTextStyle: tipsTextStyle ?? _tipsTextStyle,
+      headTitleTextStyle: headTitleTextStyle ?? _headTitleTextStyle,
+      optionTextStyle: optionTextStyle ?? _optionTextStyle,
       optionSelectedTextStyle:
-          optionSelectedTextStyle ?? this.optionSelectedTextStyle,
+          optionSelectedTextStyle ?? _optionSelectedTextStyle,
     );
   }
 
   BrnFormItemConfig merge(BrnFormItemConfig? other) {
     if (other == null) return this;
     return copyWith(
-      titleTextStyle:
-          titleTextStyle?.merge(other.titleTextStyle) ?? other.titleTextStyle,
-      subTitleTextStyle: subTitleTextStyle?.merge(other.subTitleTextStyle) ??
-          other.subTitleTextStyle,
-      errorTextStyle:
-          errorTextStyle?.merge(other.errorTextStyle) ?? other.errorTextStyle,
-      hintTextStyle:
-          hintTextStyle?.merge(other.hintTextStyle) ?? other.hintTextStyle,
-      contentTextStyle: contentTextStyle?.merge(other.contentTextStyle) ??
-          other.contentTextStyle,
-      formPadding: other.formPadding,
-      titlePaddingSm: other.titlePaddingSm,
-      titlePaddingLg: other.titlePaddingLg,
-      optionsMiddlePadding: other.optionsMiddlePadding,
-      subTitlePadding: other.subTitlePadding,
-      errorPadding: other.errorPadding,
-      disableTextStyle: disableTextStyle?.merge(other.disableTextStyle) ??
-          other.disableTextStyle,
-      tipsTextStyle:
-          tipsTextStyle?.merge(other.tipsTextStyle) ?? other.tipsTextStyle,
-      headTitleTextStyle: headTitleTextStyle?.merge(other.headTitleTextStyle) ??
-          other.headTitleTextStyle,
-      optionTextStyle: optionTextStyle?.merge(other.optionTextStyle) ??
-          other.optionTextStyle,
+      titleTextStyle: titleTextStyle.merge(other._titleTextStyle),
+      subTitleTextStyle: subTitleTextStyle.merge(other._subTitleTextStyle),
+      errorTextStyle: errorTextStyle.merge(other._errorTextStyle),
+      hintTextStyle: hintTextStyle.merge(other._hintTextStyle),
+      contentTextStyle: contentTextStyle.merge(other._contentTextStyle),
+      formPadding: other._formPadding,
+      titlePaddingSm: other._titlePaddingSm,
+      titlePaddingLg: other._titlePaddingLg,
+      optionsMiddlePadding: other._optionsMiddlePadding,
+      subTitlePadding: other._subTitlePadding,
+      errorPadding: other._errorPadding,
+      disableTextStyle: disableTextStyle.merge(other._disableTextStyle),
+      tipsTextStyle: tipsTextStyle.merge(other._tipsTextStyle),
+      headTitleTextStyle: headTitleTextStyle.merge(other._headTitleTextStyle),
+      optionTextStyle: optionTextStyle.merge(other._optionTextStyle),
       optionSelectedTextStyle:
-          optionSelectedTextStyle?.merge(other.optionSelectedTextStyle) ??
-              other.optionSelectedTextStyle,
+          optionSelectedTextStyle.merge(other._optionSelectedTextStyle),
     );
   }
 }
diff --git a/lib/src/theme/configs/brn_gallery_detail_config.dart b/lib/src/theme/configs/brn_gallery_detail_config.dart
index 2dcbd9cb..b7155350 100644
--- a/lib/src/theme/configs/brn_gallery_detail_config.dart
+++ b/lib/src/theme/configs/brn_gallery_detail_config.dart
@@ -1,5 +1,6 @@
 import 'package:bruno/src/components/navbar/brn_appbar_theme.dart';
 import 'package:bruno/src/theme/base/brn_base_config.dart';
+import 'package:bruno/src/theme/base/brn_default_config_utils.dart';
 import 'package:bruno/src/theme/base/brn_text_style.dart';
 import 'package:bruno/src/theme/brn_theme_configurator.dart';
 import 'package:bruno/src/theme/configs/brn_common_config.dart';
@@ -10,86 +11,73 @@ class BrnGalleryDetailConfig extends BrnBaseConfig {
   /// 遵循全局配置
   /// 默认为 [BrnDefaultConfigUtils.defaultGalleryDetailConfig]
   BrnGalleryDetailConfig({
-    this.appbarTitleStyle,
-    this.appbarActionStyle,
-    this.appbarBackgroundColor,
-    this.appbarBrightness,
-    this.tabBarUnSelectedLabelStyle,
-    this.tabBarLabelStyle,
-    this.tabBarBackgroundColor,
-    this.pageBackgroundColor,
-    this.bottomBackgroundColor,
-    this.titleStyle,
-    this.contentStyle,
-    this.actionStyle,
-    this.iconColor,
+    BrnTextStyle? appbarTitleStyle,
+    BrnTextStyle? appbarActionStyle,
+    Color? appbarBackgroundColor,
+    Brightness? appbarBrightness,
+    BrnTextStyle? tabBarUnSelectedLabelStyle,
+    BrnTextStyle? tabBarLabelStyle,
+    Color? tabBarBackgroundColor,
+    Color? pageBackgroundColor,
+    Color? bottomBackgroundColor,
+    BrnTextStyle? titleStyle,
+    BrnTextStyle? contentStyle,
+    BrnTextStyle? actionStyle,
+    Color? iconColor,
     String configId = GLOBAL_CONFIG_ID,
-  }) : super(configId: configId);
+  })  : _appbarTitleStyle = appbarTitleStyle,
+        _appbarActionStyle = appbarActionStyle,
+        _appbarBackgroundColor = appbarBackgroundColor,
+        _appbarBrightness = appbarBrightness,
+        _tabBarUnSelectedLabelStyle = tabBarUnSelectedLabelStyle,
+        _tabBarLabelStyle = tabBarLabelStyle,
+        _tabBarBackgroundColor = tabBarBackgroundColor,
+        _pageBackgroundColor = pageBackgroundColor,
+        _bottomBackgroundColor = bottomBackgroundColor,
+        _titleStyle = titleStyle,
+        _contentStyle = contentStyle,
+        _actionStyle = actionStyle,
+        _iconColor = iconColor,
+        super(configId: configId);
 
   /// 黑色主题
   BrnGalleryDetailConfig.dark({
-    this.appbarTitleStyle,
-    this.appbarActionStyle,
-    this.appbarBackgroundColor,
-    this.appbarBrightness,
-    this.tabBarUnSelectedLabelStyle,
-    this.tabBarLabelStyle,
-    this.tabBarBackgroundColor,
-    this.pageBackgroundColor,
-    this.bottomBackgroundColor,
-    this.titleStyle,
-    this.contentStyle,
-    this.actionStyle,
-    this.iconColor,
     String configId = GLOBAL_CONFIG_ID,
   }) : super(configId: configId) {
-    appbarTitleStyle = BrnTextStyle(color: commonConfig.colorTextBaseInverse);
-    appbarActionStyle = BrnTextStyle(color: BrnAppBarTheme.lightTextColor);
-    appbarBackgroundColor = Colors.black;
-    appbarBrightness = Brightness.dark;
-    tabBarUnSelectedLabelStyle = BrnTextStyle(color: Color(0XFFCCCCCC));
-    tabBarLabelStyle = BrnTextStyle(color: commonConfig.colorTextBaseInverse);
-    tabBarBackgroundColor = Colors.black;
-    pageBackgroundColor = Colors.black;
-    bottomBackgroundColor = Color(0X88000000);
-    titleStyle = BrnTextStyle(color: commonConfig.colorTextBaseInverse);
-    contentStyle = BrnTextStyle(color: Color(0xFFCCCCCC));
-    actionStyle = BrnTextStyle(color: commonConfig.colorTextBaseInverse);
-    iconColor = Colors.white;
+    _appbarTitleStyle = BrnTextStyle(color: commonConfig.colorTextBaseInverse);
+    _appbarActionStyle = BrnTextStyle(color: BrnAppBarTheme.lightTextColor);
+    _appbarBackgroundColor = Colors.black;
+    _appbarBrightness = Brightness.dark;
+    _tabBarUnSelectedLabelStyle = BrnTextStyle(color: Color(0XFFCCCCCC));
+    _tabBarLabelStyle = BrnTextStyle(color: commonConfig.colorTextBaseInverse);
+    _tabBarBackgroundColor = Colors.black;
+    _pageBackgroundColor = Colors.black;
+    _bottomBackgroundColor = Color(0X88000000);
+    _titleStyle = BrnTextStyle(color: commonConfig.colorTextBaseInverse);
+    _contentStyle = BrnTextStyle(color: Color(0xFFCCCCCC));
+    _actionStyle = BrnTextStyle(color: commonConfig.colorTextBaseInverse);
+    _iconColor = Colors.white;
   }
 
   /// 白色主题
   BrnGalleryDetailConfig.light({
-    this.appbarTitleStyle,
-    this.appbarActionStyle,
-    this.appbarBackgroundColor,
-    this.appbarBrightness,
-    this.tabBarUnSelectedLabelStyle,
-    this.tabBarLabelStyle,
-    this.tabBarBackgroundColor,
-    this.pageBackgroundColor,
-    this.bottomBackgroundColor,
-    this.titleStyle,
-    this.contentStyle,
-    this.actionStyle,
-    this.iconColor,
     String configId = GLOBAL_CONFIG_ID,
   }) : super(configId: configId) {
-    appbarTitleStyle = BrnTextStyle(color: commonConfig.colorTextBase);
-    appbarActionStyle = BrnTextStyle(color: commonConfig.colorTextBase);
-    appbarBackgroundColor = commonConfig.fillBody;
-    appbarBrightness = Brightness.light;
-    tabBarUnSelectedLabelStyle = BrnTextStyle(
+    _appbarTitleStyle = BrnTextStyle(color: commonConfig.colorTextBase);
+    _appbarActionStyle = BrnTextStyle(color: commonConfig.colorTextBase);
+    _appbarBackgroundColor = commonConfig.fillBody;
+    _appbarBrightness = Brightness.light;
+    _tabBarUnSelectedLabelStyle = BrnTextStyle(
       color: commonConfig.colorTextBase,
     );
-    tabBarLabelStyle = BrnTextStyle(color: commonConfig.brandPrimary);
-    tabBarBackgroundColor = commonConfig.fillBody;
-    pageBackgroundColor = commonConfig.fillBody;
-    bottomBackgroundColor = commonConfig.fillBody?.withOpacity(.85);
-    titleStyle = BrnTextStyle(color: commonConfig.colorTextBase);
-    contentStyle = BrnTextStyle(color: commonConfig.colorTextBase);
-    actionStyle = BrnTextStyle(color: commonConfig.colorTextSecondary);
-    iconColor = commonConfig.colorTextSecondary;
+    _tabBarLabelStyle = BrnTextStyle(color: commonConfig.brandPrimary);
+    _tabBarBackgroundColor = commonConfig.fillBody;
+    _pageBackgroundColor = commonConfig.fillBody;
+    _bottomBackgroundColor = commonConfig.fillBody.withOpacity(.85);
+    _titleStyle = BrnTextStyle(color: commonConfig.colorTextBase);
+    _contentStyle = BrnTextStyle(color: commonConfig.colorTextBase);
+    _actionStyle = BrnTextStyle(color: commonConfig.colorTextSecondary);
+    _iconColor = commonConfig.colorTextSecondary;
   }
 
   /// appbar   brightness待定
@@ -101,7 +89,7 @@ class BrnGalleryDetailConfig extends BrnBaseConfig {
   ///   fontSize: [BrnCommonConfig.fontSizeHead],
   ///   fontWeight: FontWeight.w600,
   /// )
-  BrnTextStyle? appbarTitleStyle;
+  BrnTextStyle? _appbarTitleStyle;
 
   /// 右侧操作区域文案样式
   ///
@@ -110,15 +98,15 @@ class BrnGalleryDetailConfig extends BrnBaseConfig {
   ///   fontSize: BrnAppBarTheme.actionFontSize,
   ///   fontWeight: FontWeight.w600,
   /// )
-  BrnTextStyle? appbarActionStyle;
+  BrnTextStyle? _appbarActionStyle;
 
   /// appBar 背景色
   /// 默认为 Colors.black
-  Color? appbarBackgroundColor;
+  Color? _appbarBackgroundColor;
 
   /// appbar brightness
   /// 默认为 [Brightness.dark]
-  Brightness? appbarBrightness;
+  Brightness? _appbarBrightness;
 
   /// tabBar 标题普通样式
   ///
@@ -126,7 +114,7 @@ class BrnGalleryDetailConfig extends BrnBaseConfig {
   ///   color: Colors.red,
   ///   fontSize: [BrnCommonConfig.fontSizeSubHead],
   /// )
-  BrnTextStyle? tabBarUnSelectedLabelStyle;
+  BrnTextStyle? _tabBarUnSelectedLabelStyle;
 
   /// tabBar 标题选中样式
   ///
@@ -135,19 +123,19 @@ class BrnGalleryDetailConfig extends BrnBaseConfig {
   ///   fontSize: [BrnCommonConfig.fontSizeSubHead],
   ///   fontWeight: FontWeight.w600,
   /// )
-  BrnTextStyle? tabBarLabelStyle;
+  BrnTextStyle? _tabBarLabelStyle;
 
   /// tabBar 背景色
   /// 默认为 Colors.black
-  Color? tabBarBackgroundColor;
+  Color? _tabBarBackgroundColor;
 
   /// 页面 背景色
   /// 默认为 Colors.black
-  Color? pageBackgroundColor;
+  Color? _pageBackgroundColor;
 
   /// 底部内容区域的背景色
   /// 默认为 Color(0x88000000)
-  Color? bottomBackgroundColor;
+  Color? _bottomBackgroundColor;
 
   /// 标题文案样式
   ///
@@ -156,7 +144,7 @@ class BrnGalleryDetailConfig extends BrnBaseConfig {
   ///   fontSize: [BrnCommonConfig.fontSizeHead],
   ///   fontWeight: FontWeight.w600,
   /// )
-  BrnTextStyle? titleStyle;
+  BrnTextStyle? _titleStyle;
 
   /// 内容文案样式
   ///
@@ -164,7 +152,7 @@ class BrnGalleryDetailConfig extends BrnBaseConfig {
   ///   color: Color(0xFFCCCCCC),
   ///   fontSize: [BrnCommonConfig.fontSizeBase],
   /// )
-  BrnTextStyle? contentStyle;
+  BrnTextStyle? _contentStyle;
 
   /// 右侧展开收起样式
   ///
@@ -172,11 +160,63 @@ class BrnGalleryDetailConfig extends BrnBaseConfig {
   ///   color: [BrnCommonConfig.colorTextBaseInverse],
   ///   fontSize: [BrnCommonConfig.fontSizeBase],
   /// )
-  BrnTextStyle? actionStyle;
+  BrnTextStyle? _actionStyle;
 
   /// icon 颜色
   /// 默认为 Colors.white
-  Color? iconColor;
+  Color? _iconColor;
+
+  BrnTextStyle get appbarTitleStyle =>
+      _appbarTitleStyle ??
+      BrnDefaultConfigUtils.defaultGalleryDetailConfig.appbarTitleStyle;
+
+  BrnTextStyle get appbarActionStyle =>
+      _appbarActionStyle ??
+      BrnDefaultConfigUtils.defaultGalleryDetailConfig.appbarActionStyle;
+
+  Color get appbarBackgroundColor =>
+      _appbarBackgroundColor ??
+      BrnDefaultConfigUtils.defaultGalleryDetailConfig.appbarBackgroundColor;
+
+  Brightness get appbarBrightness =>
+      _appbarBrightness ??
+      BrnDefaultConfigUtils.defaultGalleryDetailConfig.appbarBrightness;
+
+  BrnTextStyle get tabBarUnSelectedLabelStyle =>
+      _tabBarUnSelectedLabelStyle ??
+      BrnDefaultConfigUtils
+          .defaultGalleryDetailConfig.tabBarUnSelectedLabelStyle;
+
+  BrnTextStyle get tabBarLabelStyle =>
+      _tabBarLabelStyle ??
+      BrnDefaultConfigUtils.defaultGalleryDetailConfig.tabBarLabelStyle;
+
+  Color get tabBarBackgroundColor =>
+      _tabBarBackgroundColor ??
+      BrnDefaultConfigUtils.defaultGalleryDetailConfig.tabBarBackgroundColor;
+
+  Color get pageBackgroundColor =>
+      _pageBackgroundColor ??
+      BrnDefaultConfigUtils.defaultGalleryDetailConfig.pageBackgroundColor;
+
+  Color get bottomBackgroundColor =>
+      _bottomBackgroundColor ??
+      BrnDefaultConfigUtils.defaultGalleryDetailConfig.bottomBackgroundColor;
+
+  BrnTextStyle get titleStyle =>
+      _titleStyle ??
+      BrnDefaultConfigUtils.defaultGalleryDetailConfig.titleStyle;
+
+  BrnTextStyle get contentStyle =>
+      _contentStyle ??
+      BrnDefaultConfigUtils.defaultGalleryDetailConfig.contentStyle;
+
+  BrnTextStyle get actionStyle =>
+      _actionStyle ??
+      BrnDefaultConfigUtils.defaultGalleryDetailConfig.actionStyle;
+
+  Color get iconColor =>
+      _iconColor ?? BrnDefaultConfigUtils.defaultGalleryDetailConfig.iconColor;
 
   @override
   void initThemeConfig(
@@ -189,55 +229,55 @@ class BrnGalleryDetailConfig extends BrnBaseConfig {
     );
 
     /// 用户全局组件配置
-    BrnGalleryDetailConfig? galleryDetailConfig = BrnThemeConfigurator.instance
+    BrnGalleryDetailConfig galleryDetailConfig = BrnThemeConfigurator.instance
         .getConfig(configId: configId)
         .galleryDetailConfig;
 
-    appbarTitleStyle = galleryDetailConfig?.appbarTitleStyle?.merge(
+    _appbarTitleStyle = galleryDetailConfig.appbarTitleStyle.merge(
       BrnTextStyle(
         color: commonConfig.colorTextBaseInverse,
         fontSize: commonConfig.fontSizeSubHead,
-      ).merge(appbarTitleStyle),
+      ).merge(_appbarTitleStyle),
     );
-    appbarActionStyle = galleryDetailConfig?.appbarActionStyle?.merge(
-      appbarActionStyle,
+    _appbarActionStyle = galleryDetailConfig.appbarActionStyle.merge(
+      _appbarActionStyle,
     );
-    appbarBrightness ??= galleryDetailConfig?.appbarBrightness;
-    appbarBackgroundColor ??= galleryDetailConfig?.appbarBackgroundColor;
-    tabBarUnSelectedLabelStyle = galleryDetailConfig?.tabBarUnSelectedLabelStyle
-        ?.merge(BrnTextStyle(fontSize: commonConfig.fontSizeSubHead))
-        .merge(tabBarUnSelectedLabelStyle);
-    tabBarLabelStyle = galleryDetailConfig?.tabBarLabelStyle
-        ?.merge(
+    _appbarBrightness ??= galleryDetailConfig.appbarBrightness;
+    _appbarBackgroundColor ??= galleryDetailConfig.appbarBackgroundColor;
+    _tabBarUnSelectedLabelStyle = galleryDetailConfig.tabBarUnSelectedLabelStyle
+        .merge(BrnTextStyle(fontSize: commonConfig.fontSizeSubHead))
+        .merge(_tabBarUnSelectedLabelStyle);
+    _tabBarLabelStyle = galleryDetailConfig.tabBarLabelStyle
+        .merge(
           BrnTextStyle(
             color: commonConfig.colorTextBaseInverse,
             fontSize: commonConfig.fontSizeSubHead,
           ),
         )
-        .merge(tabBarLabelStyle);
-    tabBarBackgroundColor ??= galleryDetailConfig?.tabBarBackgroundColor;
-    pageBackgroundColor ??= galleryDetailConfig?.pageBackgroundColor;
-    bottomBackgroundColor ??= galleryDetailConfig?.bottomBackgroundColor;
-    titleStyle = galleryDetailConfig?.titleStyle
-        ?.merge(
+        .merge(_tabBarLabelStyle);
+    _tabBarBackgroundColor ??= galleryDetailConfig._tabBarBackgroundColor;
+    _pageBackgroundColor ??= galleryDetailConfig._pageBackgroundColor;
+    _bottomBackgroundColor ??= galleryDetailConfig._bottomBackgroundColor;
+    _titleStyle = galleryDetailConfig.titleStyle
+        .merge(
           BrnTextStyle(
             color: commonConfig.colorTextBaseInverse,
             fontSize: commonConfig.fontSizeHead,
           ),
         )
-        .merge(titleStyle);
-    contentStyle = galleryDetailConfig?.contentStyle
-        ?.merge(BrnTextStyle(fontSize: commonConfig.fontSizeBase))
-        .merge(contentStyle);
-    actionStyle = galleryDetailConfig?.actionStyle
-        ?.merge(
+        .merge(_titleStyle);
+    _contentStyle = galleryDetailConfig.contentStyle
+        .merge(BrnTextStyle(fontSize: commonConfig.fontSizeBase))
+        .merge(_contentStyle);
+    _actionStyle = galleryDetailConfig.actionStyle
+        .merge(
           BrnTextStyle(
             color: commonConfig.colorTextBaseInverse,
             fontSize: commonConfig.fontSizeBase,
           ),
         )
-        .merge(actionStyle);
-    iconColor ??= galleryDetailConfig?.iconColor;
+        .merge(_actionStyle);
+    _iconColor ??= galleryDetailConfig._iconColor;
   }
 
   BrnGalleryDetailConfig copyWith({
@@ -259,48 +299,40 @@ class BrnGalleryDetailConfig extends BrnBaseConfig {
     Color? iconColor,
   }) {
     return BrnGalleryDetailConfig(
-      appbarTitleStyle: appbarTitleStyle ?? this.appbarTitleStyle,
-      appbarActionStyle: appbarActionStyle ?? this.appbarActionStyle,
-      appbarBackgroundColor:
-          appbarBackgroundColor ?? this.appbarBackgroundColor,
-      appbarBrightness: appbarBrightness ?? this.appbarBrightness,
+      appbarTitleStyle: appbarTitleStyle ?? _appbarTitleStyle,
+      appbarActionStyle: appbarActionStyle ?? _appbarActionStyle,
+      appbarBackgroundColor: appbarBackgroundColor ?? _appbarBackgroundColor,
+      appbarBrightness: appbarBrightness ?? _appbarBrightness,
       tabBarUnSelectedLabelStyle:
-          tabBarUnSelectedLabelStyle ?? this.tabBarUnSelectedLabelStyle,
-      tabBarLabelStyle: tabBarLabelStyle ?? this.tabBarLabelStyle,
-      tabBarBackgroundColor:
-          tabBarBackgroundColor ?? this.tabBarBackgroundColor,
-      pageBackgroundColor: pageBackgroundColor ?? this.pageBackgroundColor,
-      bottomBackgroundColor:
-          bottomBackgroundColor ?? this.bottomBackgroundColor,
-      titleStyle: titleStyle ?? this.titleStyle,
-      contentStyle: contentStyle ?? this.contentStyle,
-      actionStyle: actionStyle ?? this.actionStyle,
-      iconColor: iconColor ?? this.iconColor,
+          tabBarUnSelectedLabelStyle ?? _tabBarUnSelectedLabelStyle,
+      tabBarLabelStyle: tabBarLabelStyle ?? _tabBarLabelStyle,
+      tabBarBackgroundColor: tabBarBackgroundColor ?? _tabBarBackgroundColor,
+      pageBackgroundColor: pageBackgroundColor ?? _pageBackgroundColor,
+      bottomBackgroundColor: bottomBackgroundColor ?? _bottomBackgroundColor,
+      titleStyle: titleStyle ?? _titleStyle,
+      contentStyle: contentStyle ?? _contentStyle,
+      actionStyle: actionStyle ?? _actionStyle,
+      iconColor: iconColor ?? _iconColor,
     );
   }
 
   BrnGalleryDetailConfig merge(BrnGalleryDetailConfig? other) {
     if (other == null) return this;
     return copyWith(
-      appbarTitleStyle: appbarTitleStyle?.merge(other.appbarTitleStyle) ??
-          other.appbarTitleStyle,
-      appbarActionStyle: appbarActionStyle?.merge(other.appbarActionStyle) ??
-          other.appbarActionStyle,
-      appbarBackgroundColor: other.appbarBackgroundColor,
-      appbarBrightness: other.appbarBrightness,
+      appbarTitleStyle: appbarTitleStyle.merge(other._appbarTitleStyle),
+      appbarActionStyle: appbarActionStyle.merge(other._appbarActionStyle),
+      appbarBackgroundColor: other._appbarBackgroundColor,
+      appbarBrightness: other._appbarBrightness,
       tabBarUnSelectedLabelStyle:
-          tabBarUnSelectedLabelStyle?.merge(other.tabBarUnSelectedLabelStyle) ??
-              other.tabBarUnSelectedLabelStyle,
-      tabBarLabelStyle: tabBarLabelStyle?.merge(other.tabBarLabelStyle) ??
-          other.tabBarLabelStyle,
-      tabBarBackgroundColor: other.tabBarBackgroundColor,
-      pageBackgroundColor: other.pageBackgroundColor,
-      bottomBackgroundColor: other.bottomBackgroundColor,
-      titleStyle: titleStyle?.merge(other.titleStyle) ?? other.titleStyle,
-      contentStyle:
-          contentStyle?.merge(other.contentStyle) ?? other.contentStyle,
-      actionStyle: actionStyle?.merge(other.actionStyle) ?? other.actionStyle,
-      iconColor: other.iconColor,
+          tabBarUnSelectedLabelStyle.merge(other._tabBarUnSelectedLabelStyle),
+      tabBarLabelStyle: tabBarLabelStyle.merge(other._tabBarLabelStyle),
+      tabBarBackgroundColor: other._tabBarBackgroundColor,
+      pageBackgroundColor: other._pageBackgroundColor,
+      bottomBackgroundColor: other._bottomBackgroundColor,
+      titleStyle: titleStyle.merge(other._titleStyle),
+      contentStyle: contentStyle.merge(other._contentStyle),
+      actionStyle: actionStyle.merge(other._actionStyle),
+      iconColor: other._iconColor,
     );
   }
 }
diff --git a/lib/src/theme/configs/brn_pair_info_config.dart b/lib/src/theme/configs/brn_pair_info_config.dart
index 50b68802..987dfb67 100644
--- a/lib/src/theme/configs/brn_pair_info_config.dart
+++ b/lib/src/theme/configs/brn_pair_info_config.dart
@@ -1,4 +1,5 @@
 import 'package:bruno/src/theme/base/brn_base_config.dart';
+import 'package:bruno/src/theme/base/brn_default_config_utils.dart';
 import 'package:bruno/src/theme/base/brn_text_style.dart';
 import 'package:bruno/src/theme/brn_theme_configurator.dart';
 import 'package:bruno/src/theme/configs/brn_common_config.dart';
@@ -8,19 +9,24 @@ class BrnPairInfoTableConfig extends BrnBaseConfig {
   /// 遵循外部主题配置
   /// 默认为 [BrnDefaultConfigUtils.defaultPairInfoTableConfig]
   BrnPairInfoTableConfig({
-    this.rowSpacing,
-    this.itemSpacing,
-    this.keyTextStyle,
-    this.valueTextStyle,
-    this.linkTextStyle,
+    double? rowSpacing,
+    double? itemSpacing,
+    BrnTextStyle? keyTextStyle,
+    BrnTextStyle? valueTextStyle,
+    BrnTextStyle? linkTextStyle,
     String configId: GLOBAL_CONFIG_ID,
-  }) : super(configId: configId);
+  })  : _rowSpacing = rowSpacing,
+        _itemSpacing = itemSpacing,
+        _keyTextStyle = keyTextStyle,
+        _valueTextStyle = valueTextStyle,
+        _linkTextStyle = linkTextStyle,
+        super(configId: configId);
 
   /// 行间距 纵向
-  double? rowSpacing;
+  double? _rowSpacing;
 
   /// BrnInfoModal 属性配置 行间距
-  double? itemSpacing;
+  double? _itemSpacing;
 
   /// BrnInfoModal key文字样式
   ///
@@ -29,7 +35,7 @@ class BrnPairInfoTableConfig extends BrnBaseConfig {
   ///   fontSize: [BrnCommonConfig.fontSizeBase],
   ///   fontWeight: FontWeight.w400,
   /// )
-  BrnTextStyle? keyTextStyle;
+  BrnTextStyle? _keyTextStyle;
 
   /// BrnInfoModal value文字样式
   ///
@@ -38,7 +44,7 @@ class BrnPairInfoTableConfig extends BrnBaseConfig {
   ///   fontSize: [BrnCommonConfig.fontSizeBase],
   ///   fontWeight: FontWeight.w400,
   /// )
-  BrnTextStyle? valueTextStyle;
+  BrnTextStyle? _valueTextStyle;
 
   /// BrnInfoModal 链接文字样式
   ///
@@ -47,7 +53,27 @@ class BrnPairInfoTableConfig extends BrnBaseConfig {
   ///   fontWeight: FontWeight.w400,
   ///   fontSize: [BrnCommonConfig.fontSizeBase]
   /// )
-  BrnTextStyle? linkTextStyle;
+  BrnTextStyle? _linkTextStyle;
+
+  double get rowSpacing =>
+      _rowSpacing ??
+      BrnDefaultConfigUtils.defaultPairInfoTableConfig.rowSpacing;
+
+  double get itemSpacing =>
+      _itemSpacing ??
+      BrnDefaultConfigUtils.defaultPairInfoTableConfig.itemSpacing;
+
+  BrnTextStyle get keyTextStyle =>
+      _keyTextStyle ??
+      BrnDefaultConfigUtils.defaultPairInfoTableConfig.keyTextStyle;
+
+  BrnTextStyle get valueTextStyle =>
+      _valueTextStyle ??
+      BrnDefaultConfigUtils.defaultPairInfoTableConfig.valueTextStyle;
+
+  BrnTextStyle get linkTextStyle =>
+      _linkTextStyle ??
+      BrnDefaultConfigUtils.defaultPairInfoTableConfig.linkTextStyle;
 
   @override
   void initThemeConfig(
@@ -60,30 +86,30 @@ class BrnPairInfoTableConfig extends BrnBaseConfig {
     );
 
     /// 用户全局组件配置
-    BrnPairInfoTableConfig? pairInfoTableConfig = BrnThemeConfigurator.instance
+    BrnPairInfoTableConfig pairInfoTableConfig = BrnThemeConfigurator.instance
         .getConfig(configId: configId)
         .pairInfoTableConfig;
 
-    rowSpacing ??= pairInfoTableConfig?.rowSpacing;
-    keyTextStyle = pairInfoTableConfig?.keyTextStyle?.merge(
+    _rowSpacing ??= pairInfoTableConfig._rowSpacing;
+    _keyTextStyle = pairInfoTableConfig.keyTextStyle.merge(
       BrnTextStyle(
         color: commonConfig.colorTextSecondary,
         fontSize: commonConfig.fontSizeBase,
-      ).merge(keyTextStyle),
+      ).merge(_keyTextStyle),
     );
-    valueTextStyle = pairInfoTableConfig?.valueTextStyle?.merge(
+    _valueTextStyle = pairInfoTableConfig.valueTextStyle.merge(
       BrnTextStyle(
         color: commonConfig.colorTextBase,
         fontSize: commonConfig.fontSizeBase,
-      ).merge(valueTextStyle),
+      ).merge(_valueTextStyle),
     );
-    linkTextStyle = pairInfoTableConfig?.linkTextStyle?.merge(
+    _linkTextStyle = pairInfoTableConfig.linkTextStyle.merge(
       BrnTextStyle(
         color: commonConfig.brandPrimary,
         fontSize: commonConfig.fontSizeBase,
-      ).merge(linkTextStyle),
+      ).merge(_linkTextStyle),
     );
-    itemSpacing ??= pairInfoTableConfig?.itemSpacing;
+    _itemSpacing ??= pairInfoTableConfig._itemSpacing;
   }
 
   BrnPairInfoTableConfig copyWith({
@@ -94,25 +120,22 @@ class BrnPairInfoTableConfig extends BrnBaseConfig {
     BrnTextStyle? linkTextStyle,
   }) {
     return BrnPairInfoTableConfig(
-      rowSpacing: rowSpacing ?? this.rowSpacing,
-      itemSpacing: itemSpacing ?? this.itemSpacing,
-      keyTextStyle: keyTextStyle ?? this.keyTextStyle,
-      valueTextStyle: valueTextStyle ?? this.valueTextStyle,
-      linkTextStyle: linkTextStyle ?? this.linkTextStyle,
+      rowSpacing: rowSpacing ?? _rowSpacing,
+      itemSpacing: itemSpacing ?? _itemSpacing,
+      keyTextStyle: keyTextStyle ?? _keyTextStyle,
+      valueTextStyle: valueTextStyle ?? _valueTextStyle,
+      linkTextStyle: linkTextStyle ?? _linkTextStyle,
     );
   }
 
   BrnPairInfoTableConfig merge(BrnPairInfoTableConfig? other) {
     if (other == null) return this;
     return copyWith(
-      rowSpacing: other.rowSpacing,
-      itemSpacing: other.itemSpacing,
-      keyTextStyle:
-          keyTextStyle?.merge(other.keyTextStyle) ?? other.keyTextStyle,
-      valueTextStyle:
-          valueTextStyle?.merge(other.valueTextStyle) ?? other.valueTextStyle,
-      linkTextStyle:
-          linkTextStyle?.merge(other.linkTextStyle) ?? other.linkTextStyle,
+      rowSpacing: other._rowSpacing,
+      itemSpacing: other._itemSpacing,
+      keyTextStyle: keyTextStyle.merge(other._keyTextStyle),
+      valueTextStyle: valueTextStyle.merge(other._valueTextStyle),
+      linkTextStyle: linkTextStyle.merge(other._linkTextStyle),
     );
   }
 }
@@ -121,23 +144,29 @@ class BrnPairRichInfoGridConfig extends BrnBaseConfig {
   /// 遵循外部主题配置
   /// 默认为 [BrnDefaultConfigUtils.defaultPairRichInfoGridConfig]
   BrnPairRichInfoGridConfig({
-    this.rowSpacing,
-    this.itemSpacing,
-    this.itemHeight,
-    this.keyTextStyle,
-    this.valueTextStyle,
-    this.linkTextStyle,
+    double? rowSpacing,
+    double? itemSpacing,
+    double? itemHeight,
+    BrnTextStyle? keyTextStyle,
+    BrnTextStyle? valueTextStyle,
+    BrnTextStyle? linkTextStyle,
     String configId: GLOBAL_CONFIG_ID,
-  }) : super(configId: configId);
+  })  : _rowSpacing = rowSpacing,
+        _itemSpacing = itemSpacing,
+        _itemHeight = itemHeight,
+        _keyTextStyle = keyTextStyle,
+        _valueTextStyle = valueTextStyle,
+        _linkTextStyle = linkTextStyle,
+        super(configId: configId);
 
   /// 行间距 纵向
-  double? rowSpacing;
+  double? _rowSpacing;
 
   /// 元素间距 横向
-  double? itemSpacing;
+  double? _itemSpacing;
 
   /// 元素高度
-  double? itemHeight;
+  double? _itemHeight;
 
   /// key文字样式
   ///
@@ -146,7 +175,7 @@ class BrnPairRichInfoGridConfig extends BrnBaseConfig {
   ///   fontSize: [BrnCommonConfig.fontSizeBase],
   ///   fontWeight: FontWeight.w400,
   /// )
-  BrnTextStyle? keyTextStyle;
+  BrnTextStyle? _keyTextStyle;
 
   /// value文字样式
   ///
@@ -155,7 +184,7 @@ class BrnPairRichInfoGridConfig extends BrnBaseConfig {
   ///   color: [BrnCommonConfig.colorTextBase],
   ///   fontSize: [BrnCommonConfig.fontSizeBase],
   /// )
-  BrnTextStyle? valueTextStyle;
+  BrnTextStyle? _valueTextStyle;
 
   /// 链接文字样式
   ///
@@ -164,7 +193,31 @@ class BrnPairRichInfoGridConfig extends BrnBaseConfig {
   ///   color: [BrnCommonConfig.brandPrimary],
   ///   fontSize: [BrnCommonConfig.fontSizeBase],
   /// )
-  BrnTextStyle? linkTextStyle;
+  BrnTextStyle? _linkTextStyle;
+
+  double get rowSpacing =>
+      _rowSpacing ??
+      BrnDefaultConfigUtils.defaultPairRichInfoGridConfig.rowSpacing;
+
+  double get itemSpacing =>
+      _itemSpacing ??
+      BrnDefaultConfigUtils.defaultPairRichInfoGridConfig.itemSpacing;
+
+  double get itemHeight =>
+      _itemHeight ??
+      BrnDefaultConfigUtils.defaultPairRichInfoGridConfig.itemHeight;
+
+  BrnTextStyle get keyTextStyle =>
+      _keyTextStyle ??
+      BrnDefaultConfigUtils.defaultPairRichInfoGridConfig.keyTextStyle;
+
+  BrnTextStyle get valueTextStyle =>
+      _valueTextStyle ??
+      BrnDefaultConfigUtils.defaultPairRichInfoGridConfig.valueTextStyle;
+
+  BrnTextStyle get linkTextStyle =>
+      _linkTextStyle ??
+      BrnDefaultConfigUtils.defaultPairRichInfoGridConfig.linkTextStyle;
 
   @override
   void initThemeConfig(
@@ -177,31 +230,31 @@ class BrnPairRichInfoGridConfig extends BrnBaseConfig {
     );
 
     /// 用户全局组件配置
-    BrnPairRichInfoGridConfig? pairRichInfoGridConfig = BrnThemeConfigurator
+    BrnPairRichInfoGridConfig pairRichInfoGridConfig = BrnThemeConfigurator
         .instance
         .getConfig(configId: configId)
         .pairRichInfoGridConfig;
 
-    rowSpacing ??= pairRichInfoGridConfig?.rowSpacing;
-    itemSpacing ??= pairRichInfoGridConfig?.itemSpacing;
-    itemHeight ??= pairRichInfoGridConfig?.itemHeight;
-    keyTextStyle = pairRichInfoGridConfig?.keyTextStyle?.merge(
+    _rowSpacing ??= pairRichInfoGridConfig._rowSpacing;
+    _itemSpacing ??= pairRichInfoGridConfig._itemSpacing;
+    _itemHeight ??= pairRichInfoGridConfig._itemHeight;
+    _keyTextStyle = pairRichInfoGridConfig.keyTextStyle.merge(
       BrnTextStyle(
         color: commonConfig.colorTextSecondary,
         fontSize: commonConfig.fontSizeBase,
-      ).merge(keyTextStyle),
+      ).merge(_keyTextStyle),
     );
-    valueTextStyle = pairRichInfoGridConfig?.valueTextStyle?.merge(
+    _valueTextStyle = pairRichInfoGridConfig.valueTextStyle.merge(
       BrnTextStyle(
         color: commonConfig.colorTextBase,
         fontSize: commonConfig.fontSizeBase,
-      ).merge(valueTextStyle),
+      ).merge(_valueTextStyle),
     );
-    linkTextStyle = pairRichInfoGridConfig?.linkTextStyle?.merge(
+    _linkTextStyle = pairRichInfoGridConfig.linkTextStyle.merge(
       BrnTextStyle(
         color: commonConfig.brandPrimary,
         fontSize: commonConfig.fontSizeBase,
-      ).merge(linkTextStyle),
+      ).merge(_linkTextStyle),
     );
   }
 
@@ -215,27 +268,24 @@ class BrnPairRichInfoGridConfig extends BrnBaseConfig {
     BrnTextStyle? titleTextsStyle,
   }) {
     return BrnPairRichInfoGridConfig(
-      rowSpacing: rowSpacing ?? this.rowSpacing,
-      itemSpacing: itemSpacing ?? this.itemSpacing,
-      itemHeight: itemHeight ?? this.itemHeight,
-      keyTextStyle: keyTextStyle ?? this.keyTextStyle,
-      valueTextStyle: valueTextStyle ?? this.valueTextStyle,
-      linkTextStyle: linkTextStyle ?? this.linkTextStyle,
+      rowSpacing: rowSpacing ?? _rowSpacing,
+      itemSpacing: itemSpacing ?? _itemSpacing,
+      itemHeight: itemHeight ?? _itemHeight,
+      keyTextStyle: keyTextStyle ?? _keyTextStyle,
+      valueTextStyle: valueTextStyle ?? _valueTextStyle,
+      linkTextStyle: linkTextStyle ?? _linkTextStyle,
     );
   }
 
   BrnPairRichInfoGridConfig merge(BrnPairRichInfoGridConfig? other) {
     if (other == null) return this;
     return copyWith(
-      rowSpacing: other.rowSpacing,
-      itemSpacing: other.itemSpacing,
-      itemHeight: other.itemHeight,
-      keyTextStyle:
-          keyTextStyle?.merge(other.keyTextStyle) ?? other.keyTextStyle,
-      valueTextStyle:
-          valueTextStyle?.merge(other.valueTextStyle) ?? other.valueTextStyle,
-      linkTextStyle:
-          linkTextStyle?.merge(other.linkTextStyle) ?? other.linkTextStyle,
+      rowSpacing: other._rowSpacing,
+      itemSpacing: other._itemSpacing,
+      itemHeight: other._itemHeight,
+      keyTextStyle: keyTextStyle.merge(other._keyTextStyle),
+      valueTextStyle: valueTextStyle.merge(other._valueTextStyle),
+      linkTextStyle: linkTextStyle.merge(other._linkTextStyle),
     );
   }
 }
diff --git a/lib/src/theme/configs/brn_picker_config.dart b/lib/src/theme/configs/brn_picker_config.dart
index ec23f606..92b903ba 100644
--- a/lib/src/theme/configs/brn_picker_config.dart
+++ b/lib/src/theme/configs/brn_picker_config.dart
@@ -1,4 +1,5 @@
 import 'package:bruno/src/theme/base/brn_base_config.dart';
+import 'package:bruno/src/theme/base/brn_default_config_utils.dart';
 import 'package:bruno/src/theme/base/brn_text_style.dart';
 import 'package:bruno/src/theme/brn_theme_configurator.dart';
 import 'package:bruno/src/theme/configs/brn_common_config.dart';
@@ -9,23 +10,34 @@ class BrnPickerConfig extends BrnBaseConfig {
   /// 遵循外部主题配置
   /// 默认为 [BrnDefaultConfigUtils.defaultPickerConfig]
   BrnPickerConfig({
-    this.backgroundColor,
-    this.cancelTextStyle,
-    this.confirmTextStyle,
-    this.titleTextStyle,
-    this.pickerHeight,
-    this.titleHeight,
-    this.itemHeight,
-    this.itemTextStyle,
-    this.itemTextSelectedStyle,
-    this.dividerColor,
-    this.cornerRadius,
+    Color? backgroundColor,
+    BrnTextStyle? cancelTextStyle,
+    BrnTextStyle? confirmTextStyle,
+    BrnTextStyle? titleTextStyle,
+    double? pickerHeight,
+    double? titleHeight,
+    double? itemHeight,
+    BrnTextStyle? itemTextStyle,
+    BrnTextStyle? itemTextSelectedStyle,
+    Color? dividerColor,
+    double? cornerRadius,
     String configId = GLOBAL_CONFIG_ID,
-  }) : super(configId: configId);
+  })  : _backgroundColor = backgroundColor,
+        _cancelTextStyle = cancelTextStyle,
+        _confirmTextStyle = confirmTextStyle,
+        _titleTextStyle = titleTextStyle,
+        _pickerHeight = pickerHeight,
+        _titleHeight = titleHeight,
+        _itemHeight = itemHeight,
+        _itemTextStyle = itemTextStyle,
+        _itemTextSelectedStyle = itemTextSelectedStyle,
+        _dividerColor = dividerColor,
+        _cornerRadius = cornerRadius,
+        super(configId: configId);
 
   /// 日期选择器的背景色
   /// 默认为 [PICKER_BACKGROUND_COLOR]
-  Color? backgroundColor;
+  Color? _backgroundColor;
 
   /// 取消文字的样式
   ///
@@ -33,7 +45,7 @@ class BrnPickerConfig extends BrnBaseConfig {
   ///   color: [BrnCommonConfig.colorTextBase],
   ///   fontSize: [BrnCommonConfig.fontSizeSubHead],
   /// )
-  BrnTextStyle? cancelTextStyle;
+  BrnTextStyle? _cancelTextStyle;
 
   /// 确认文字的样式
   ///
@@ -41,7 +53,7 @@ class BrnPickerConfig extends BrnBaseConfig {
   ///   color: [BrnCommonConfig.brandPrimary],
   ///   fontSize: [BrnCommonConfig.fontSizeSubHead],
   /// )
-  BrnTextStyle? confirmTextStyle;
+  BrnTextStyle? _confirmTextStyle;
 
   /// 标题文字的样式
   ///
@@ -50,19 +62,19 @@ class BrnPickerConfig extends BrnBaseConfig {
   ///   fontSize: [BrnCommonConfig.fontSizeSubHead],
   ///   fontWidget:FontWeight.w600,
   /// )
-  BrnTextStyle? titleTextStyle;
+  BrnTextStyle? _titleTextStyle;
 
   /// 日期选择器的高度
   /// 默认为 [PICKER_HEIGHT]
-  double? pickerHeight;
+  double? _pickerHeight;
 
   /// 日期选择器标题的高度
   /// 默认为 [PICKER_TITLE_HEIGHT]
-  double? titleHeight;
+  double? _titleHeight;
 
   /// 日期选择器列表的高度
   /// 默认为 [PICKER_ITEM_HEIGHT]
-  double? itemHeight;
+  double? _itemHeight;
 
   /// 日期选择器列表的文字样式
   ///
@@ -70,7 +82,7 @@ class BrnPickerConfig extends BrnBaseConfig {
   ///   color: [BrnCommonConfig.colorTextBase],
   ///   fontSize: [BrnCommonConfig.fontSizeHead],
   /// )
-  BrnTextStyle? itemTextStyle;
+  BrnTextStyle? _itemTextStyle;
 
   /// 日期选择器列表选中的文字样式
   ///
@@ -79,10 +91,48 @@ class BrnPickerConfig extends BrnBaseConfig {
   ///   fontSize: [BrnCommonConfig.fontSizeHead],
   ///   fontWidget: FontWeight.w600,
   /// )
-  BrnTextStyle? itemTextSelectedStyle;
+  BrnTextStyle? _itemTextSelectedStyle;
+
+  Color? _dividerColor;
+  double? _cornerRadius;
 
-  Color? dividerColor;
-  double? cornerRadius;
+  Color get backgroundColor =>
+      _backgroundColor ??
+      BrnDefaultConfigUtils.defaultPickerConfig.backgroundColor;
+
+  BrnTextStyle get cancelTextStyle =>
+      _cancelTextStyle ??
+      BrnDefaultConfigUtils.defaultPickerConfig.cancelTextStyle;
+
+  BrnTextStyle get confirmTextStyle =>
+      _confirmTextStyle ??
+      BrnDefaultConfigUtils.defaultPickerConfig.confirmTextStyle;
+
+  BrnTextStyle get titleTextStyle =>
+      _titleTextStyle ??
+      BrnDefaultConfigUtils.defaultPickerConfig.titleTextStyle;
+
+  double get pickerHeight =>
+      _pickerHeight ?? BrnDefaultConfigUtils.defaultPickerConfig.pickerHeight;
+
+  double get titleHeight =>
+      _titleHeight ?? BrnDefaultConfigUtils.defaultPickerConfig.titleHeight;
+
+  double get itemHeight =>
+      _itemHeight ?? BrnDefaultConfigUtils.defaultPickerConfig.itemHeight;
+
+  BrnTextStyle get itemTextStyle =>
+      _itemTextStyle ?? BrnDefaultConfigUtils.defaultPickerConfig.itemTextStyle;
+
+  BrnTextStyle get itemTextSelectedStyle =>
+      _itemTextSelectedStyle ??
+      BrnDefaultConfigUtils.defaultPickerConfig.itemTextSelectedStyle;
+
+  Color get dividerColor =>
+      _dividerColor ?? BrnDefaultConfigUtils.defaultPickerConfig.dividerColor;
+
+  double get cornerRadius =>
+      _cornerRadius ?? BrnDefaultConfigUtils.defaultPickerConfig.cornerRadius;
 
   @override
   void initThemeConfig(
@@ -95,47 +145,47 @@ class BrnPickerConfig extends BrnBaseConfig {
     );
 
     /// 用户全局组件配置
-    BrnPickerConfig? pickerConfig = BrnThemeConfigurator.instance
+    BrnPickerConfig pickerConfig = BrnThemeConfigurator.instance
         .getConfig(configId: configId)
         .pickerConfig;
 
-    backgroundColor ??= pickerConfig?.backgroundColor;
-    pickerHeight ??= pickerConfig?.pickerHeight;
-    titleHeight ??= pickerConfig?.titleHeight;
-    itemHeight ??= pickerConfig?.itemHeight;
-    dividerColor ??= pickerConfig?.dividerColor;
-    cornerRadius ??= pickerConfig?.cornerRadius;
-    titleTextStyle = pickerConfig?.titleTextStyle?.merge(
+    _backgroundColor ??= pickerConfig.backgroundColor;
+    _pickerHeight ??= pickerConfig.pickerHeight;
+    _titleHeight ??= pickerConfig.titleHeight;
+    _itemHeight ??= pickerConfig.itemHeight;
+    _dividerColor ??= pickerConfig.dividerColor;
+    _cornerRadius ??= pickerConfig.cornerRadius;
+    _titleTextStyle = pickerConfig.titleTextStyle.merge(
       BrnTextStyle(
         color: commonConfig.colorTextBase,
         fontSize: commonConfig.fontSizeSubHead,
-      ).merge(titleTextStyle),
+      ).merge(_titleTextStyle),
     );
-    cancelTextStyle = pickerConfig?.cancelTextStyle
-        ?.merge(
+    _cancelTextStyle = pickerConfig.cancelTextStyle
+        .merge(
           BrnTextStyle(
             color: commonConfig.colorTextBase,
             fontSize: commonConfig.fontSizeSubHead,
           ),
         )
-        .merge(cancelTextStyle);
-    confirmTextStyle = pickerConfig?.confirmTextStyle?.merge(
+        .merge(_cancelTextStyle);
+    _confirmTextStyle = pickerConfig.confirmTextStyle.merge(
       BrnTextStyle(
         color: commonConfig.brandPrimary,
         fontSize: commonConfig.fontSizeSubHead,
-      ).merge(confirmTextStyle),
+      ).merge(_confirmTextStyle),
     );
-    itemTextStyle = pickerConfig?.itemTextStyle?.merge(
+    _itemTextStyle = pickerConfig.itemTextStyle.merge(
       BrnTextStyle(
         color: commonConfig.colorTextBase,
         fontSize: commonConfig.fontSizeHead,
-      ).merge(itemTextStyle),
+      ).merge(_itemTextStyle),
     );
-    itemTextSelectedStyle = pickerConfig?.itemTextSelectedStyle?.merge(
+    _itemTextSelectedStyle = pickerConfig.itemTextSelectedStyle.merge(
       BrnTextStyle(
         color: commonConfig.brandPrimary,
         fontSize: commonConfig.fontSizeHead,
-      ).merge(itemTextSelectedStyle),
+      ).merge(_itemTextSelectedStyle),
     );
   }
 
@@ -153,41 +203,35 @@ class BrnPickerConfig extends BrnBaseConfig {
     double? cornerRadius,
   }) {
     return BrnPickerConfig(
-      backgroundColor: backgroundColor ?? this.backgroundColor,
-      cancelTextStyle: cancelTextStyle ?? this.cancelTextStyle,
-      confirmTextStyle: confirmTextStyle ?? this.confirmTextStyle,
-      titleTextStyle: titleTextStyle ?? this.titleTextStyle,
-      pickerHeight: pickerHeight ?? this.pickerHeight,
-      titleHeight: titleHeight ?? this.titleHeight,
-      itemHeight: itemHeight ?? this.itemHeight,
-      itemTextStyle: itemTextStyle ?? this.itemTextStyle,
-      itemTextSelectedStyle:
-          itemTextSelectedStyle ?? this.itemTextSelectedStyle,
-      dividerColor: dividerColor ?? this.dividerColor,
-      cornerRadius: cornerRadius ?? this.cornerRadius,
+      backgroundColor: backgroundColor ?? _backgroundColor,
+      cancelTextStyle: cancelTextStyle ?? _cancelTextStyle,
+      confirmTextStyle: confirmTextStyle ?? _confirmTextStyle,
+      titleTextStyle: titleTextStyle ?? _titleTextStyle,
+      pickerHeight: pickerHeight ?? _pickerHeight,
+      titleHeight: titleHeight ?? _titleHeight,
+      itemHeight: itemHeight ?? _itemHeight,
+      itemTextStyle: itemTextStyle ?? _itemTextStyle,
+      itemTextSelectedStyle: itemTextSelectedStyle ?? _itemTextSelectedStyle,
+      dividerColor: dividerColor ?? _dividerColor,
+      cornerRadius: cornerRadius ?? _cornerRadius,
     );
   }
 
   BrnPickerConfig merge(BrnPickerConfig? other) {
     if (other == null) return this;
     return copyWith(
-      backgroundColor: other.backgroundColor,
-      cancelTextStyle: cancelTextStyle?.merge(other.cancelTextStyle) ??
-          other.cancelTextStyle,
-      confirmTextStyle: confirmTextStyle?.merge(other.confirmTextStyle) ??
-          other.confirmTextStyle,
-      titleTextStyle:
-          titleTextStyle?.merge(other.titleTextStyle) ?? other.titleTextStyle,
-      pickerHeight: other.pickerHeight,
-      titleHeight: other.titleHeight,
-      itemHeight: other.itemHeight,
-      itemTextStyle:
-          itemTextStyle?.merge(other.itemTextStyle) ?? other.itemTextStyle,
+      backgroundColor: other._backgroundColor,
+      cancelTextStyle: cancelTextStyle.merge(other._cancelTextStyle),
+      confirmTextStyle: confirmTextStyle.merge(other._confirmTextStyle),
+      titleTextStyle: titleTextStyle.merge(other._titleTextStyle),
+      pickerHeight: other._pickerHeight,
+      titleHeight: other._titleHeight,
+      itemHeight: other._itemHeight,
+      itemTextStyle: itemTextStyle.merge(other._itemTextStyle),
       itemTextSelectedStyle:
-          itemTextSelectedStyle?.merge(other.itemTextSelectedStyle) ??
-              other.itemTextSelectedStyle,
-      dividerColor: other.dividerColor,
-      cornerRadius: other.cornerRadius,
+          itemTextSelectedStyle.merge(other._itemTextSelectedStyle),
+      dividerColor: other._dividerColor,
+      cornerRadius: other._cornerRadius,
     );
   }
 }
diff --git a/lib/src/theme/configs/brn_selection_config.dart b/lib/src/theme/configs/brn_selection_config.dart
index 25f7b8cd..1dc0019b 100644
--- a/lib/src/theme/configs/brn_selection_config.dart
+++ b/lib/src/theme/configs/brn_selection_config.dart
@@ -1,4 +1,5 @@
 import 'package:bruno/src/theme/base/brn_base_config.dart';
+import 'package:bruno/src/theme/base/brn_default_config_utils.dart';
 import 'package:bruno/src/theme/base/brn_text_style.dart';
 import 'package:bruno/src/theme/brn_theme_configurator.dart';
 import 'package:bruno/src/theme/configs/brn_common_config.dart';
@@ -9,34 +10,60 @@ class BrnSelectionConfig extends BrnBaseConfig {
   /// 遵循外部主题配置
   /// 默认为 [BrnDefaultConfigUtils.defaultSelectionConfig]
   BrnSelectionConfig({
-    this.menuNormalTextStyle,
-    this.menuSelectedTextStyle,
-    this.tagNormalTextStyle,
-    this.tagSelectedTextStyle,
-    this.tagRadius,
-    this.tagNormalBackgroundColor,
-    this.tagSelectedBackgroundColor,
-    this.hintTextStyle,
-    this.rangeTitleTextStyle,
-    this.inputTextStyle,
-    this.itemNormalTextStyle,
-    this.itemSelectedTextStyle,
-    this.itemBoldTextStyle,
-    this.deepNormalBgColor,
-    this.deepSelectBgColor,
-    this.middleNormalBgColor,
-    this.middleSelectBgColor,
-    this.lightNormalBgColor,
-    this.lightSelectBgColor,
-    this.resetTextStyle,
-    this.titleForMoreTextStyle,
-    this.optionTextStyle,
-    this.moreTextStyle,
-    this.flayerNormalTextStyle,
-    this.flayerSelectedTextStyle,
-    this.flayerBoldTextStyle,
+    BrnTextStyle? menuNormalTextStyle,
+    BrnTextStyle? menuSelectedTextStyle,
+    BrnTextStyle? tagNormalTextStyle,
+    BrnTextStyle? tagSelectedTextStyle,
+    double? tagRadius,
+    Color? tagNormalBackgroundColor,
+    Color? tagSelectedBackgroundColor,
+    BrnTextStyle? hintTextStyle,
+    BrnTextStyle? rangeTitleTextStyle,
+    BrnTextStyle? inputTextStyle,
+    BrnTextStyle? itemNormalTextStyle,
+    BrnTextStyle? itemSelectedTextStyle,
+    BrnTextStyle? itemBoldTextStyle,
+    Color? deepNormalBgColor,
+    Color? deepSelectBgColor,
+    Color? middleNormalBgColor,
+    Color? middleSelectBgColor,
+    Color? lightNormalBgColor,
+    Color? lightSelectBgColor,
+    BrnTextStyle? resetTextStyle,
+    BrnTextStyle? titleForMoreTextStyle,
+    BrnTextStyle? optionTextStyle,
+    BrnTextStyle? moreTextStyle,
+    BrnTextStyle? flayerNormalTextStyle,
+    BrnTextStyle? flayerSelectedTextStyle,
+    BrnTextStyle? flayerBoldTextStyle,
     String configId = GLOBAL_CONFIG_ID,
-  }) : super(configId: configId);
+  })  : _menuNormalTextStyle = menuNormalTextStyle,
+        _menuSelectedTextStyle = menuSelectedTextStyle,
+        _tagNormalTextStyle = tagNormalTextStyle,
+        _tagSelectedTextStyle = tagSelectedTextStyle,
+        _tagRadius = tagRadius,
+        _tagNormalBackgroundColor = tagNormalBackgroundColor,
+        _tagSelectedBackgroundColor = tagSelectedBackgroundColor,
+        _hintTextStyle = hintTextStyle,
+        _rangeTitleTextStyle = rangeTitleTextStyle,
+        _inputTextStyle = inputTextStyle,
+        _itemNormalTextStyle = itemNormalTextStyle,
+        _itemSelectedTextStyle = itemSelectedTextStyle,
+        _itemBoldTextStyle = itemBoldTextStyle,
+        _deepNormalBgColor = deepNormalBgColor,
+        _deepSelectBgColor = deepSelectBgColor,
+        _middleNormalBgColor = middleNormalBgColor,
+        _middleSelectBgColor = middleSelectBgColor,
+        _lightNormalBgColor = lightNormalBgColor,
+        _lightSelectBgColor = lightSelectBgColor,
+        _resetTextStyle = resetTextStyle,
+        _titleForMoreTextStyle = titleForMoreTextStyle,
+        _optionTextStyle = optionTextStyle,
+        _moreTextStyle = moreTextStyle,
+        _flayerNormalTextStyle = flayerNormalTextStyle,
+        _flayerSelectedTextStyle = flayerSelectedTextStyle,
+        _flayerBoldTextStyle = flayerBoldTextStyle,
+        super(configId: configId);
 
   /// menu 正常文本样式
   ///
@@ -45,7 +72,7 @@ class BrnSelectionConfig extends BrnBaseConfig {
   ///   fontSize: [BrnCommonConfig.fontSizeBase],
   ///   fontWeight: FontWeight.normal,
   /// )
-  BrnTextStyle? menuNormalTextStyle;
+  BrnTextStyle? _menuNormalTextStyle;
 
   /// menu 选中文本样式
   ///
@@ -54,7 +81,7 @@ class BrnSelectionConfig extends BrnBaseConfig {
   ///   fontSize: [BrnCommonConfig.fontSizeBase],
   ///   fontWeight: FontWeight.w600,
   /// )
-  BrnTextStyle? menuSelectedTextStyle;
+  BrnTextStyle? _menuSelectedTextStyle;
 
   /// tag 正常文本样式
   ///
@@ -63,7 +90,7 @@ class BrnSelectionConfig extends BrnBaseConfig {
   ///   fontSize: [BrnCommonConfig.fontSizeCaption],
   ///   fontWeight: FontWeight.w400,
   /// )
-  BrnTextStyle? tagNormalTextStyle;
+  BrnTextStyle? _tagNormalTextStyle;
 
   /// tag 选中文本样式
   ///
@@ -72,19 +99,19 @@ class BrnSelectionConfig extends BrnBaseConfig {
   ///   fontSize: [BrnCommonConfig.fontSizeCaption],
   ///   fontWeight: FontWeight.w600,
   /// )
-  BrnTextStyle? tagSelectedTextStyle;
+  BrnTextStyle? _tagSelectedTextStyle;
 
   /// tag 圆角
   /// 默认为 [BrnCommonConfig.radiusSm]
-  double? tagRadius;
+  double? _tagRadius;
 
   /// tag 正常背景色
   /// 默认为 [BrnCommonConfig.fillBody]
-  Color? tagNormalBackgroundColor;
+  Color? _tagNormalBackgroundColor;
 
   /// tag 选中背景色
   /// 默认为 [BrnCommonConfig.brandPrimary].withOpacity(0.12)
-  Color? tagSelectedBackgroundColor;
+  Color? _tagSelectedBackgroundColor;
 
   /// 输入选项标题文本样式
   ///
@@ -93,7 +120,7 @@ class BrnSelectionConfig extends BrnBaseConfig {
   ///   fontSize: [BrnCommonConfig.fontSizeSubHead],
   ///   fontWeight: FontWeight.w600,
   /// )
-  BrnTextStyle? rangeTitleTextStyle;
+  BrnTextStyle? _rangeTitleTextStyle;
 
   /// 输入提示文本样式
   ///
@@ -101,7 +128,7 @@ class BrnSelectionConfig extends BrnBaseConfig {
   ///   color: [BrnCommonConfig.colorTextHint],
   ///   fontSize: [BrnCommonConfig.fontSizeBase],
   /// )
-  BrnTextStyle? hintTextStyle;
+  BrnTextStyle? _hintTextStyle;
 
   /// 输入框默认文本样式
   ///
@@ -109,7 +136,7 @@ class BrnSelectionConfig extends BrnBaseConfig {
   ///   color: [BrnCommonConfig.colorTextBase],
   ///   fontSize: [BrnCommonConfig.fontSizeBase],
   /// )
-  BrnTextStyle? inputTextStyle;
+  BrnTextStyle? _inputTextStyle;
 
   /// item 正常字体样式
   ///
@@ -117,7 +144,7 @@ class BrnSelectionConfig extends BrnBaseConfig {
   ///   color: [BrnCommonConfig.colorTextBase],
   ///   fontSize: [BrnCommonConfig.fontSizeBase],
   /// )
-  BrnTextStyle? itemNormalTextStyle;
+  BrnTextStyle? _itemNormalTextStyle;
 
   /// item 选中文本样式
   ///
@@ -126,7 +153,7 @@ class BrnSelectionConfig extends BrnBaseConfig {
   ///   fontSize: [BrnCommonConfig.fontSizeBase],
   ///   fontWeight: FontWeight.w600,
   /// )
-  BrnTextStyle? itemSelectedTextStyle;
+  BrnTextStyle? _itemSelectedTextStyle;
 
   /// item 仅加粗样式
   ///
@@ -135,31 +162,31 @@ class BrnSelectionConfig extends BrnBaseConfig {
   ///   fontSize: [BrnCommonConfig.fontSizeBase],
   ///   fontWeight: FontWeight.w600,
   /// )
-  BrnTextStyle? itemBoldTextStyle;
+  BrnTextStyle? _itemBoldTextStyle;
 
   /// 三级 item 背景色
   /// 默认为 Color(0xFFF0F0F0)
-  Color? deepNormalBgColor;
+  Color? _deepNormalBgColor;
 
   /// 三级 item 选中背景色
   /// 默认为 Color(0xFFF8F8F8)
-  Color? deepSelectBgColor;
+  Color? _deepSelectBgColor;
 
   /// 二级 item 背景色
   /// 默认为 Color(0xFFF8F8F8)
-  Color? middleNormalBgColor;
+  Color? _middleNormalBgColor;
 
   /// 二级 item 选中背景色
   /// 默认为 Colors.white
-  Color? middleSelectBgColor;
+  Color? _middleSelectBgColor;
 
   /// 一级 item 背景色
   /// 默认为 Colors.white
-  Color? lightNormalBgColor;
+  Color? _lightNormalBgColor;
 
   /// 一级 item 选中背景色
   /// 默认为 Colors.white
-  Color? lightSelectBgColor;
+  Color? _lightSelectBgColor;
 
   /// 重置按钮颜色
   ///
@@ -167,7 +194,7 @@ class BrnSelectionConfig extends BrnBaseConfig {
   ///   color: [BrnCommonConfig.colorTextImportant],
   ///   fontSize: [BrnCommonConfig.fontSizeCaption]
   /// )
-  BrnTextStyle? resetTextStyle;
+  BrnTextStyle? _resetTextStyle;
 
   /// 更多筛选-标题文本样式
   ///
@@ -176,7 +203,7 @@ class BrnSelectionConfig extends BrnBaseConfig {
   ///   fontSize: [BrnCommonConfig.fontSizeBase],
   ///   fontWeight: FontWeight.w600,
   /// )
-  BrnTextStyle? titleForMoreTextStyle;
+  BrnTextStyle? _titleForMoreTextStyle;
 
   /// 选项-显示文本
   ///
@@ -184,7 +211,7 @@ class BrnSelectionConfig extends BrnBaseConfig {
   ///   color: [BrnCommonConfig.brandPrimary],
   ///   fontSize: [BrnCommonConfig.fontSizeBase],
   /// )
-  BrnTextStyle? optionTextStyle;
+  BrnTextStyle? _optionTextStyle;
 
   /// 更多文本样式
   ///
@@ -192,7 +219,7 @@ class BrnSelectionConfig extends BrnBaseConfig {
   ///   color: [BrnCommonConfig.colorTextSecondary],
   ///   fontSize: [BrnCommonConfig.fontSizeCaption],
   /// )
-  BrnTextStyle? moreTextStyle;
+  BrnTextStyle? _moreTextStyle;
 
   /// 跳转二级页-正常文本样式
   ///
@@ -201,7 +228,7 @@ class BrnSelectionConfig extends BrnBaseConfig {
   ///   fontSize: [BrnCommonConfig.fontSizeSubHead],
   ///   fontWeight: FontWeight.normal,
   /// )
-  BrnTextStyle? flayerNormalTextStyle;
+  BrnTextStyle? _flayerNormalTextStyle;
 
   /// 跳转二级页-选中文本样式
   ///
@@ -210,7 +237,7 @@ class BrnSelectionConfig extends BrnBaseConfig {
   ///   fontSize: [BrnCommonConfig.fontSizeSubHead],
   ///   fontWeight: FontWeight.w600,
   /// )
-  BrnTextStyle? flayerSelectedTextStyle;
+  BrnTextStyle? _flayerSelectedTextStyle;
 
   /// 跳转二级页-加粗文本样式
   ///
@@ -219,7 +246,110 @@ class BrnSelectionConfig extends BrnBaseConfig {
   ///   fontSize: [BrnCommonConfig.fontSizeSubHead],
   ///   fontWeight: FontWeight.w600
   /// )
-  BrnTextStyle? flayerBoldTextStyle;
+  BrnTextStyle? _flayerBoldTextStyle;
+
+  BrnTextStyle get menuNormalTextStyle =>
+      _menuNormalTextStyle ??
+      BrnDefaultConfigUtils.defaultSelectionConfig.menuNormalTextStyle;
+
+  BrnTextStyle get menuSelectedTextStyle =>
+      _menuSelectedTextStyle ??
+      BrnDefaultConfigUtils.defaultSelectionConfig.menuSelectedTextStyle;
+
+  BrnTextStyle get tagNormalTextStyle =>
+      _tagNormalTextStyle ??
+      BrnDefaultConfigUtils.defaultSelectionConfig.tagNormalTextStyle;
+
+  BrnTextStyle get tagSelectedTextStyle =>
+      _tagSelectedTextStyle ??
+      BrnDefaultConfigUtils.defaultSelectionConfig.tagSelectedTextStyle;
+
+  double get tagRadius =>
+      _tagRadius ?? BrnDefaultConfigUtils.defaultSelectionConfig.tagRadius;
+
+  Color get tagNormalBackgroundColor =>
+      _tagNormalBackgroundColor ??
+      BrnDefaultConfigUtils.defaultSelectionConfig.tagNormalBackgroundColor;
+
+  Color get tagSelectedBackgroundColor =>
+      _tagSelectedBackgroundColor ??
+      BrnDefaultConfigUtils.defaultSelectionConfig.tagSelectedBackgroundColor;
+
+  BrnTextStyle get rangeTitleTextStyle =>
+      _rangeTitleTextStyle ??
+      BrnDefaultConfigUtils.defaultSelectionConfig.rangeTitleTextStyle;
+
+  BrnTextStyle get hintTextStyle =>
+      _hintTextStyle ??
+      BrnDefaultConfigUtils.defaultSelectionConfig.hintTextStyle;
+
+  BrnTextStyle get inputTextStyle =>
+      _inputTextStyle ??
+      BrnDefaultConfigUtils.defaultSelectionConfig.inputTextStyle;
+
+  BrnTextStyle get itemNormalTextStyle =>
+      _itemNormalTextStyle ??
+      BrnDefaultConfigUtils.defaultSelectionConfig.itemNormalTextStyle;
+
+  BrnTextStyle get itemSelectedTextStyle =>
+      _itemSelectedTextStyle ??
+      BrnDefaultConfigUtils.defaultSelectionConfig.itemSelectedTextStyle;
+
+  BrnTextStyle get itemBoldTextStyle =>
+      _itemBoldTextStyle ??
+      BrnDefaultConfigUtils.defaultSelectionConfig.itemBoldTextStyle;
+
+  Color get deepNormalBgColor =>
+      _deepNormalBgColor ??
+      BrnDefaultConfigUtils.defaultSelectionConfig.deepNormalBgColor;
+
+  Color get deepSelectBgColor =>
+      _deepSelectBgColor ??
+      BrnDefaultConfigUtils.defaultSelectionConfig.deepSelectBgColor;
+
+  Color get middleNormalBgColor =>
+      _middleNormalBgColor ??
+      BrnDefaultConfigUtils.defaultSelectionConfig.middleNormalBgColor;
+
+  Color get middleSelectBgColor =>
+      _middleSelectBgColor ??
+      BrnDefaultConfigUtils.defaultSelectionConfig.middleSelectBgColor;
+
+  Color get lightNormalBgColor =>
+      _lightNormalBgColor ??
+      BrnDefaultConfigUtils.defaultSelectionConfig.lightNormalBgColor;
+
+  Color get lightSelectBgColor =>
+      _lightSelectBgColor ??
+      BrnDefaultConfigUtils.defaultSelectionConfig.lightSelectBgColor;
+
+  BrnTextStyle get resetTextStyle =>
+      _resetTextStyle ??
+      BrnDefaultConfigUtils.defaultSelectionConfig.resetTextStyle;
+
+  BrnTextStyle get titleForMoreTextStyle =>
+      _titleForMoreTextStyle ??
+      BrnDefaultConfigUtils.defaultSelectionConfig.titleForMoreTextStyle;
+
+  BrnTextStyle get optionTextStyle =>
+      _optionTextStyle ??
+      BrnDefaultConfigUtils.defaultSelectionConfig.optionTextStyle;
+
+  BrnTextStyle get moreTextStyle =>
+      _moreTextStyle ??
+      BrnDefaultConfigUtils.defaultSelectionConfig.moreTextStyle;
+
+  BrnTextStyle get flayerNormalTextStyle =>
+      _flayerNormalTextStyle ??
+      BrnDefaultConfigUtils.defaultSelectionConfig.flayerNormalTextStyle;
+
+  BrnTextStyle get flayerSelectedTextStyle =>
+      _flayerSelectedTextStyle ??
+      BrnDefaultConfigUtils.defaultSelectionConfig.flayerSelectedTextStyle;
+
+  BrnTextStyle get flayerBoldTextStyle =>
+      _flayerBoldTextStyle ??
+      BrnDefaultConfigUtils.defaultSelectionConfig.flayerBoldTextStyle;
 
   @override
   void initThemeConfig(
@@ -232,118 +362,119 @@ class BrnSelectionConfig extends BrnBaseConfig {
     );
 
     /// 用户全局筛选配置
-    BrnSelectionConfig? selectionConfig = BrnThemeConfigurator.instance
+    BrnSelectionConfig selectionConfig = BrnThemeConfigurator.instance
         .getConfig(configId: configId)
         .selectionConfig;
 
-    lightSelectBgColor ??= selectionConfig?.lightSelectBgColor;
-    lightNormalBgColor ??= selectionConfig?.lightNormalBgColor;
-    middleSelectBgColor ??= selectionConfig?.middleSelectBgColor;
-    middleNormalBgColor ??= selectionConfig?.middleNormalBgColor;
-    deepSelectBgColor ??= selectionConfig?.deepSelectBgColor;
-    deepNormalBgColor ??= selectionConfig?.deepNormalBgColor;
-    tagSelectedBackgroundColor ??= commonConfig.brandPrimary?.withOpacity(0.12);
-    tagNormalBackgroundColor ??= commonConfig.fillBody;
-    tagRadius ??= commonConfig.radiusSm;
-    flayerBoldTextStyle = selectionConfig?.flayerBoldTextStyle?.merge(
+    _lightSelectBgColor ??= selectionConfig._lightSelectBgColor;
+    _lightNormalBgColor ??= selectionConfig._lightNormalBgColor;
+    _middleSelectBgColor ??= selectionConfig._middleSelectBgColor;
+    _middleNormalBgColor ??= selectionConfig._middleNormalBgColor;
+    _deepSelectBgColor ??= selectionConfig._deepSelectBgColor;
+    _deepNormalBgColor ??= selectionConfig._deepNormalBgColor;
+    _tagSelectedBackgroundColor ??=
+        commonConfig.brandPrimary.withOpacity(0.12);
+    _tagNormalBackgroundColor ??= commonConfig.fillBody;
+    _tagRadius ??= commonConfig.radiusSm;
+    _flayerBoldTextStyle = selectionConfig.flayerBoldTextStyle.merge(
       BrnTextStyle(
         color: commonConfig.colorTextBase,
         fontSize: commonConfig.fontSizeSubHead,
-      ).merge(flayerBoldTextStyle),
+      ).merge(_flayerBoldTextStyle),
     );
-    flayerSelectedTextStyle = selectionConfig?.flayerSelectedTextStyle?.merge(
+    _flayerSelectedTextStyle = selectionConfig.flayerSelectedTextStyle.merge(
       BrnTextStyle(
         color: commonConfig.brandPrimary,
         fontSize: commonConfig.fontSizeSubHead,
-      ).merge(flayerSelectedTextStyle),
+      ).merge(_flayerSelectedTextStyle),
     );
-    flayerNormalTextStyle = selectionConfig?.flayerNormalTextStyle?.merge(
+    _flayerNormalTextStyle = selectionConfig.flayerNormalTextStyle.merge(
       BrnTextStyle(
         color: commonConfig.colorTextBase,
         fontSize: commonConfig.fontSizeSubHead,
-      ).merge(flayerNormalTextStyle),
+      ).merge(_flayerNormalTextStyle),
     );
-    moreTextStyle = selectionConfig?.moreTextStyle?.merge(
+    _moreTextStyle = selectionConfig.moreTextStyle.merge(
       BrnTextStyle(
         color: commonConfig.colorTextSecondary,
         fontSize: commonConfig.fontSizeCaption,
-      ).merge(moreTextStyle),
+      ).merge(_moreTextStyle),
     );
-    optionTextStyle = selectionConfig?.optionTextStyle?.merge(
+    _optionTextStyle = selectionConfig.optionTextStyle.merge(
       BrnTextStyle(
         color: commonConfig.brandPrimary,
         fontSize: commonConfig.fontSizeBase,
-      ).merge(optionTextStyle),
+      ).merge(_optionTextStyle),
     );
-    titleForMoreTextStyle = selectionConfig?.titleForMoreTextStyle?.merge(
+    _titleForMoreTextStyle = selectionConfig.titleForMoreTextStyle.merge(
       BrnTextStyle(
         color: commonConfig.colorTextBase,
         fontSize: commonConfig.fontSizeBase,
-      ).merge(titleForMoreTextStyle),
+      ).merge(_titleForMoreTextStyle),
     );
-    resetTextStyle = selectionConfig?.resetTextStyle?.merge(BrnTextStyle(
+    _resetTextStyle = selectionConfig.resetTextStyle.merge(BrnTextStyle(
       color: commonConfig.colorTextImportant,
       fontSize: commonConfig.fontSizeCaption,
-    ).merge(resetTextStyle));
-    itemBoldTextStyle = selectionConfig?.itemBoldTextStyle?.merge(
+    ).merge(_resetTextStyle));
+    _itemBoldTextStyle = selectionConfig.itemBoldTextStyle.merge(
       BrnTextStyle(
         color: commonConfig.colorTextBase,
         fontSize: commonConfig.fontSizeBase,
-      ).merge(itemBoldTextStyle),
+      ).merge(_itemBoldTextStyle),
     );
-    itemSelectedTextStyle = selectionConfig?.itemSelectedTextStyle?.merge(
+    _itemSelectedTextStyle = selectionConfig.itemSelectedTextStyle.merge(
       BrnTextStyle(
         color: commonConfig.brandPrimary,
         fontSize: commonConfig.fontSizeBase,
-      ).merge(itemSelectedTextStyle),
+      ).merge(_itemSelectedTextStyle),
     );
-    itemNormalTextStyle = selectionConfig?.itemNormalTextStyle?.merge(
+    _itemNormalTextStyle = selectionConfig.itemNormalTextStyle.merge(
       BrnTextStyle(
         color: commonConfig.colorTextBase,
         fontSize: commonConfig.fontSizeBase,
-      ).merge(itemNormalTextStyle),
+      ).merge(_itemNormalTextStyle),
     );
-    inputTextStyle = selectionConfig?.inputTextStyle?.merge(
+    _inputTextStyle = selectionConfig.inputTextStyle.merge(
       BrnTextStyle(
         color: commonConfig.colorTextBase,
         fontSize: commonConfig.fontSizeBase,
-      ).merge(inputTextStyle),
+      ).merge(_inputTextStyle),
     );
-    hintTextStyle = selectionConfig?.hintTextStyle?.merge(
+    _hintTextStyle = selectionConfig.hintTextStyle.merge(
       BrnTextStyle(
         color: commonConfig.colorTextHint,
         fontSize: commonConfig.fontSizeBase,
-      ).merge(hintTextStyle),
+      ).merge(_hintTextStyle),
     );
-    rangeTitleTextStyle = selectionConfig?.rangeTitleTextStyle?.merge(
+    _rangeTitleTextStyle = selectionConfig.rangeTitleTextStyle.merge(
       BrnTextStyle(
         color: commonConfig.colorTextBase,
         fontSize: commonConfig.fontSizeSubHead,
-      ).merge(rangeTitleTextStyle),
+      ).merge(_rangeTitleTextStyle),
     );
-    tagSelectedTextStyle = selectionConfig?.tagSelectedTextStyle?.merge(
+    _tagSelectedTextStyle = selectionConfig.tagSelectedTextStyle.merge(
       BrnTextStyle(
         color: commonConfig.brandPrimary,
         fontSize: commonConfig.fontSizeCaption,
-      ).merge(tagSelectedTextStyle),
+      ).merge(_tagSelectedTextStyle),
     );
-    tagNormalTextStyle = selectionConfig?.tagNormalTextStyle?.merge(
+    _tagNormalTextStyle = selectionConfig.tagNormalTextStyle.merge(
       BrnTextStyle(
         color: commonConfig.colorTextBase,
         fontSize: commonConfig.fontSizeCaption,
-      ).merge(tagNormalTextStyle),
+      ).merge(_tagNormalTextStyle),
     );
-    menuNormalTextStyle = selectionConfig?.menuNormalTextStyle?.merge(
+    _menuNormalTextStyle = selectionConfig.menuNormalTextStyle.merge(
       BrnTextStyle(
         color: commonConfig.colorTextBase,
         fontSize: commonConfig.fontSizeBase,
-      ).merge(menuNormalTextStyle),
+      ).merge(_menuNormalTextStyle),
     );
-    menuSelectedTextStyle = selectionConfig?.menuSelectedTextStyle?.merge(
+    _menuSelectedTextStyle = selectionConfig.menuSelectedTextStyle.merge(
       BrnTextStyle(
         color: commonConfig.brandPrimary,
         fontSize: commonConfig.fontSizeBase,
-      ).merge(menuSelectedTextStyle),
+      ).merge(_menuSelectedTextStyle),
     );
   }
 
@@ -376,97 +507,71 @@ class BrnSelectionConfig extends BrnBaseConfig {
     BrnTextStyle? flayerBoldTextStyle,
   }) {
     return BrnSelectionConfig(
-      menuNormalTextStyle: menuNormalTextStyle ?? this.menuNormalTextStyle,
-      menuSelectedTextStyle:
-          menuSelectedTextStyle ?? this.menuSelectedTextStyle,
-      tagNormalTextStyle: tagTextStyle ?? this.tagNormalTextStyle,
-      tagSelectedTextStyle: tagSelectedTextStyle ?? this.tagSelectedTextStyle,
-      tagRadius: tagRadius ?? this.tagRadius,
-      tagNormalBackgroundColor:
-          tagBackgroundColor ?? this.tagNormalBackgroundColor,
+      menuNormalTextStyle: menuNormalTextStyle ?? _menuNormalTextStyle,
+      menuSelectedTextStyle: menuSelectedTextStyle ?? _menuSelectedTextStyle,
+      tagNormalTextStyle: tagTextStyle ?? _tagNormalTextStyle,
+      tagSelectedTextStyle: tagSelectedTextStyle ?? _tagSelectedTextStyle,
+      tagRadius: tagRadius ?? _tagRadius,
+      tagNormalBackgroundColor: tagBackgroundColor ?? _tagNormalBackgroundColor,
       tagSelectedBackgroundColor:
-          tagSelectedBackgroundColor ?? this.tagSelectedBackgroundColor,
-      hintTextStyle: hintTextStyle ?? this.hintTextStyle,
-      rangeTitleTextStyle: rangeTitleTextStyle ?? this.rangeTitleTextStyle,
-      inputTextStyle: inputTextStyle ?? this.inputTextStyle,
-      itemNormalTextStyle: itemNormalTextStyle ?? this.itemNormalTextStyle,
-      itemSelectedTextStyle:
-          itemSelectedTextStyle ?? this.itemSelectedTextStyle,
-      itemBoldTextStyle: itemBoldTextStyle ?? this.itemBoldTextStyle,
-      deepNormalBgColor: deepNormalBgColor ?? this.deepNormalBgColor,
-      deepSelectBgColor: deepSelectBgColor ?? this.deepSelectBgColor,
-      middleNormalBgColor: middleNormalBgColor ?? this.middleNormalBgColor,
-      middleSelectBgColor: middleSelectBgColor ?? this.middleSelectBgColor,
-      lightNormalBgColor: lightNormalBgColor ?? this.lightNormalBgColor,
-      lightSelectBgColor: lightSelectBgColor ?? this.lightSelectBgColor,
-      resetTextStyle: resetTextStyle ?? this.resetTextStyle,
-      titleForMoreTextStyle:
-          titleForMoreTextStyle ?? this.titleForMoreTextStyle,
-      optionTextStyle: optionTextStyle ?? this.optionTextStyle,
-      moreTextStyle: moreTextStyle ?? this.moreTextStyle,
-      flayerNormalTextStyle:
-          flayerNormalTextStyle ?? this.flayerNormalTextStyle,
+          tagSelectedBackgroundColor ?? _tagSelectedBackgroundColor,
+      hintTextStyle: hintTextStyle ?? _hintTextStyle,
+      rangeTitleTextStyle: rangeTitleTextStyle ?? _rangeTitleTextStyle,
+      inputTextStyle: inputTextStyle ?? _inputTextStyle,
+      itemNormalTextStyle: itemNormalTextStyle ?? _itemNormalTextStyle,
+      itemSelectedTextStyle: itemSelectedTextStyle ?? _itemSelectedTextStyle,
+      itemBoldTextStyle: itemBoldTextStyle ?? _itemBoldTextStyle,
+      deepNormalBgColor: deepNormalBgColor ?? _deepNormalBgColor,
+      deepSelectBgColor: deepSelectBgColor ?? _deepSelectBgColor,
+      middleNormalBgColor: middleNormalBgColor ?? _middleNormalBgColor,
+      middleSelectBgColor: middleSelectBgColor ?? _middleSelectBgColor,
+      lightNormalBgColor: lightNormalBgColor ?? _lightNormalBgColor,
+      lightSelectBgColor: lightSelectBgColor ?? _lightSelectBgColor,
+      resetTextStyle: resetTextStyle ?? _resetTextStyle,
+      titleForMoreTextStyle: titleForMoreTextStyle ?? _titleForMoreTextStyle,
+      optionTextStyle: optionTextStyle ?? _optionTextStyle,
+      moreTextStyle: moreTextStyle ?? _moreTextStyle,
+      flayerNormalTextStyle: flayerNormalTextStyle ?? _flayerNormalTextStyle,
       flayerSelectedTextStyle:
-          flayerSelectedTextStyle ?? this.flayerSelectedTextStyle,
-      flayerBoldTextStyle: flayerBoldTextStyle ?? this.flayerBoldTextStyle,
+          flayerSelectedTextStyle ?? _flayerSelectedTextStyle,
+      flayerBoldTextStyle: flayerBoldTextStyle ?? _flayerBoldTextStyle,
     );
   }
 
   BrnSelectionConfig merge(BrnSelectionConfig other) {
     return copyWith(
-      menuNormalTextStyle:
-          menuNormalTextStyle?.merge(other.menuNormalTextStyle) ??
-              other.menuNormalTextStyle,
+      menuNormalTextStyle: menuNormalTextStyle.merge(other._menuNormalTextStyle),
       menuSelectedTextStyle:
-          menuSelectedTextStyle?.merge(other.menuSelectedTextStyle) ??
-              other.menuSelectedTextStyle,
-      tagTextStyle: tagNormalTextStyle?.merge(other.tagNormalTextStyle) ??
-          other.tagNormalTextStyle,
+          menuSelectedTextStyle.merge(other._menuSelectedTextStyle),
+      tagTextStyle: tagNormalTextStyle.merge(other._tagNormalTextStyle),
       tagSelectedTextStyle:
-          tagSelectedTextStyle?.merge(other.tagSelectedTextStyle) ??
-              other.tagSelectedTextStyle,
-      tagRadius: other.tagRadius,
-      tagBackgroundColor: other.tagNormalBackgroundColor,
-      tagSelectedBackgroundColor: other.tagSelectedBackgroundColor,
-      hintTextStyle:
-          hintTextStyle?.merge(other.hintTextStyle) ?? other.hintTextStyle,
-      rangeTitleTextStyle:
-          rangeTitleTextStyle?.merge(other.rangeTitleTextStyle) ??
-              other.rangeTitleTextStyle,
-      inputTextStyle:
-          inputTextStyle?.merge(other.inputTextStyle) ?? other.inputTextStyle,
-      itemNormalTextStyle:
-          itemNormalTextStyle?.merge(other.itemNormalTextStyle) ??
-              other.itemNormalTextStyle,
+          tagSelectedTextStyle.merge(other._tagSelectedTextStyle),
+      tagRadius: other._tagRadius,
+      tagBackgroundColor: other._tagNormalBackgroundColor,
+      tagSelectedBackgroundColor: other._tagSelectedBackgroundColor,
+      hintTextStyle: hintTextStyle.merge(other._hintTextStyle),
+      rangeTitleTextStyle: rangeTitleTextStyle.merge(other._rangeTitleTextStyle),
+      inputTextStyle: inputTextStyle.merge(other._inputTextStyle),
+      itemNormalTextStyle: itemNormalTextStyle.merge(other._itemNormalTextStyle),
       itemSelectedTextStyle:
-          itemSelectedTextStyle?.merge(other.itemSelectedTextStyle) ??
-              other.itemSelectedTextStyle,
-      itemBoldTextStyle: itemBoldTextStyle?.merge(other.itemBoldTextStyle) ??
-          other.itemBoldTextStyle,
-      deepNormalBgColor: other.deepNormalBgColor,
-      deepSelectBgColor: other.deepSelectBgColor,
-      middleNormalBgColor: other.middleNormalBgColor,
-      middleSelectBgColor: other.middleSelectBgColor,
-      lightNormalBgColor: other.lightNormalBgColor,
-      lightSelectBgColor: other.lightSelectBgColor,
-      resetTextStyle:
-          resetTextStyle?.merge(other.resetTextStyle) ?? other.resetTextStyle,
+          itemSelectedTextStyle.merge(other._itemSelectedTextStyle),
+      itemBoldTextStyle: itemBoldTextStyle.merge(other._itemBoldTextStyle),
+      deepNormalBgColor: other._deepNormalBgColor,
+      deepSelectBgColor: other._deepSelectBgColor,
+      middleNormalBgColor: other._middleNormalBgColor,
+      middleSelectBgColor: other._middleSelectBgColor,
+      lightNormalBgColor: other._lightNormalBgColor,
+      lightSelectBgColor: other._lightSelectBgColor,
+      resetTextStyle: resetTextStyle.merge(other._resetTextStyle),
       titleForMoreTextStyle:
-          titleForMoreTextStyle?.merge(other.titleForMoreTextStyle) ??
-              other.titleForMoreTextStyle,
-      optionTextStyle: optionTextStyle?.merge(other.optionTextStyle) ??
-          other.optionTextStyle,
-      moreTextStyle:
-          moreTextStyle?.merge(other.moreTextStyle) ?? other.moreTextStyle,
+          titleForMoreTextStyle.merge(other._titleForMoreTextStyle),
+      optionTextStyle: optionTextStyle.merge(other._optionTextStyle),
+      moreTextStyle: moreTextStyle.merge(other._moreTextStyle),
       flayerNormalTextStyle:
-          flayerNormalTextStyle?.merge(other.flayerNormalTextStyle) ??
-              other.flayerNormalTextStyle,
+          flayerNormalTextStyle.merge(other._flayerNormalTextStyle),
       flayerSelectedTextStyle:
-          flayerSelectedTextStyle?.merge(other.flayerSelectedTextStyle) ??
-              other.flayerSelectedTextStyle,
-      flayerBoldTextStyle:
-          flayerBoldTextStyle?.merge(other.flayerBoldTextStyle) ??
-              other.flayerBoldTextStyle,
+          flayerSelectedTextStyle.merge(other._flayerSelectedTextStyle),
+      flayerBoldTextStyle: flayerBoldTextStyle.merge(other._flayerBoldTextStyle),
     );
   }
 }
diff --git a/lib/src/theme/configs/brn_tabbar_config.dart b/lib/src/theme/configs/brn_tabbar_config.dart
index 69a3e7b1..457ae2c8 100644
--- a/lib/src/theme/configs/brn_tabbar_config.dart
+++ b/lib/src/theme/configs/brn_tabbar_config.dart
@@ -1,4 +1,5 @@
 import 'package:bruno/src/theme/base/brn_base_config.dart';
+import 'package:bruno/src/theme/base/brn_default_config_utils.dart';
 import 'package:bruno/src/theme/base/brn_text_style.dart';
 import 'package:bruno/src/theme/brn_theme_configurator.dart';
 import 'package:bruno/src/theme/configs/brn_common_config.dart';
@@ -9,34 +10,48 @@ class BrnTabBarConfig extends BrnBaseConfig {
   /// 遵循外部主题配置
   /// 默认为 [BrnDefaultConfigUtils.tabBarConfig]
   BrnTabBarConfig({
-    this.tabHeight,
-    this.indicatorHeight,
-    this.indicatorWidth,
-    this.labelStyle,
-    this.unselectedLabelStyle,
-    this.backgroundColor,
-    this.tagNormalTextStyle,
-    this.tagNormalBgColor,
-    this.tagSelectedTextStyle,
-    this.tagSelectedBgColor,
-    this.tagRadius,
-    this.tagSpacing,
-    this.preLineTagCount,
-    this.tagHeight,
+    double? tabHeight,
+    double? indicatorHeight,
+    double? indicatorWidth,
+    BrnTextStyle? labelStyle,
+    BrnTextStyle? unselectedLabelStyle,
+    Color? backgroundColor,
+    BrnTextStyle? tagNormalTextStyle,
+    Color? tagNormalBgColor,
+    BrnTextStyle? tagSelectedTextStyle,
+    Color? tagSelectedBgColor,
+    double? tagRadius,
+    double? tagSpacing,
+    int? preLineTagCount,
+    double? tagHeight,
     String configId: GLOBAL_CONFIG_ID,
-  }) : super(configId: configId);
+  })  : _tabHeight = tabHeight,
+        _indicatorHeight = indicatorHeight,
+        _indicatorWidth = indicatorWidth,
+        _labelStyle = labelStyle,
+        _unselectedLabelStyle = unselectedLabelStyle,
+        _backgroundColor = backgroundColor,
+        _tagNormalTextStyle = tagNormalTextStyle,
+        _tagNormalBgColor = tagNormalBgColor,
+        _tagSelectedTextStyle = tagSelectedTextStyle,
+        _tagSelectedBgColor = tagSelectedBgColor,
+        _tagRadius = tagRadius,
+        _tagSpacing = tagSpacing,
+        _preLineTagCount = preLineTagCount,
+        _tagHeight = tagHeight,
+        super(configId: configId);
 
   /// TabBar 的整体高度
   /// 默认为 50
-  double? tabHeight;
+  double? _tabHeight;
 
   /// 指示器的高度
   /// 默认为 2
-  double? indicatorHeight;
+  double? _indicatorHeight;
 
   /// 指示器的宽度
   /// 默认为 24
-  double? indicatorWidth;
+  double? _indicatorWidth;
 
   /// 选中 Tab 文本的样式
   ///
@@ -44,7 +59,7 @@ class BrnTabBarConfig extends BrnBaseConfig {
   ///   color: [BrnCommonConfig.brandPrimary],
   ///   fontSize: [BrnCommonConfig.fontSizeSubHead],
   /// )
-  BrnTextStyle? labelStyle;
+  BrnTextStyle? _labelStyle;
 
   /// 未选中 Tab 文本的样式
   ///
@@ -52,11 +67,11 @@ class BrnTabBarConfig extends BrnBaseConfig {
   ///   color: [BrnCommonConfig.colorTextBase],
   ///   fontSize: [BrnCommonConfig.fontSizeSubHead],
   /// )
-  BrnTextStyle? unselectedLabelStyle;
+  BrnTextStyle? _unselectedLabelStyle;
 
   /// 背景色
   /// 默认为 [BrnCommonConfig.fillBase]
-  Color? backgroundColor;
+  Color? _backgroundColor;
 
   /// 标签字体样式
   ///
@@ -64,11 +79,11 @@ class BrnTabBarConfig extends BrnBaseConfig {
   ///   color: [BrnCommonConfig.colorTextBase],
   ///   fontSize: [BrnCommonConfig.fontSizeCaption],
   /// )
-  BrnTextStyle? tagNormalTextStyle;
+  BrnTextStyle? _tagNormalTextStyle;
 
   /// 标签背景色
   /// 默认为 [BrnCommonConfig.brandPrimary].withAlpha(0x14),
-  Color? tagNormalBgColor;
+  Color? _tagNormalBgColor;
 
   /// 标签字体样式
   ///
@@ -76,27 +91,78 @@ class BrnTabBarConfig extends BrnBaseConfig {
   ///   color:[BrnCommonConfig.brandPrimary],
   ///   fontSize: [BrnCommonConfig.fontSizeCaption],
   /// )
-  BrnTextStyle? tagSelectedTextStyle;
+  BrnTextStyle? _tagSelectedTextStyle;
 
   /// 标签选中背景色
   /// 默认为 [BrnCommonConfig.fillBody]
-  Color? tagSelectedBgColor;
+  Color? _tagSelectedBgColor;
 
   /// tag圆角
   /// 默认为 [BrnCommonConfig.radiusSm]
-  double? tagRadius;
+  double? _tagRadius;
 
   /// tag间距
   /// 默认为 12
-  double? tagSpacing;
+  double? _tagSpacing;
 
   /// 每行的tag数
   /// 默认为 4
-  int? preLineTagCount;
+  int? _preLineTagCount;
 
   /// tag高度
   /// 默认为 32
-  double? tagHeight;
+  double? _tagHeight;
+
+  double get tabHeight =>
+      _tabHeight ?? BrnDefaultConfigUtils.defaultTabBarConfig.tabHeight;
+
+  double get indicatorHeight =>
+      _indicatorHeight ??
+      BrnDefaultConfigUtils.defaultTabBarConfig.indicatorHeight;
+
+  double get indicatorWidth =>
+      _indicatorWidth ??
+      BrnDefaultConfigUtils.defaultTabBarConfig.indicatorWidth;
+
+  BrnTextStyle get labelStyle =>
+      _labelStyle ?? BrnDefaultConfigUtils.defaultTabBarConfig.labelStyle;
+
+  BrnTextStyle get unselectedLabelStyle =>
+      _unselectedLabelStyle ??
+      BrnDefaultConfigUtils.defaultTabBarConfig.unselectedLabelStyle;
+
+  Color get backgroundColor =>
+      _backgroundColor ??
+      BrnDefaultConfigUtils.defaultTabBarConfig.backgroundColor;
+
+  BrnTextStyle get tagNormalTextStyle =>
+      _tagNormalTextStyle ??
+      BrnDefaultConfigUtils.defaultTabBarConfig.tagNormalTextStyle;
+
+  Color get tagNormalBgColor =>
+      _tagNormalBgColor ??
+      BrnDefaultConfigUtils.defaultTabBarConfig.tagNormalBgColor;
+
+  BrnTextStyle get tagSelectedTextStyle =>
+      _tagSelectedTextStyle ??
+      BrnDefaultConfigUtils.defaultTabBarConfig.tagSelectedTextStyle;
+
+  Color get tagSelectedBgColor =>
+      _tagSelectedBgColor ??
+      BrnDefaultConfigUtils.defaultTabBarConfig.tagSelectedBgColor;
+
+  double get tagRadius =>
+      _tagRadius ?? BrnDefaultConfigUtils.defaultTabBarConfig.tagRadius;
+
+  double get tagSpacing =>
+      _tagSpacing ?? BrnDefaultConfigUtils.defaultTabBarConfig.tagSpacing;
+
+  int get preLineTagCount =>
+      _preLineTagCount ??
+      BrnDefaultConfigUtils.defaultTabBarConfig.preLineTagCount;
+
+  double get tagHeight =>
+      _tagHeight ?? BrnDefaultConfigUtils.defaultTabBarConfig.tagHeight;
 
   @override
   void initThemeConfig(
@@ -108,44 +174,44 @@ class BrnTabBarConfig extends BrnBaseConfig {
       currentLevelCommonConfig: currentLevelCommonConfig,
     );
 
-    BrnTabBarConfig? tabBarConfig = BrnThemeConfigurator.instance
+    BrnTabBarConfig tabBarConfig = BrnThemeConfigurator.instance
         .getConfig(configId: configId)
         .tabBarConfig;
 
-    tabHeight ??= tabBarConfig?.tabHeight;
-    indicatorHeight ??= tabBarConfig?.indicatorHeight;
-    indicatorWidth ??= tabBarConfig?.indicatorWidth;
-    labelStyle = tabBarConfig?.labelStyle?.merge(
+    _tabHeight ??= tabBarConfig._tabHeight;
+    _indicatorHeight ??= tabBarConfig._indicatorHeight;
+    _indicatorWidth ??= tabBarConfig._indicatorWidth;
+    _labelStyle = tabBarConfig.labelStyle.merge(
       BrnTextStyle(
         color: commonConfig.brandPrimary,
         fontSize: commonConfig.fontSizeSubHead,
-      ).merge(labelStyle),
+      ).merge(_labelStyle),
     );
-    unselectedLabelStyle = tabBarConfig?.unselectedLabelStyle?.merge(
+    _unselectedLabelStyle = tabBarConfig.unselectedLabelStyle.merge(
       BrnTextStyle(
         color: commonConfig.colorTextBase,
         fontSize: commonConfig.fontSizeSubHead,
-      ).merge(unselectedLabelStyle),
+      ).merge(_unselectedLabelStyle),
     );
-    backgroundColor ??= tabBarConfig?.backgroundColor;
-    tagNormalTextStyle = tabBarConfig?.tagNormalTextStyle?.merge(
+    _backgroundColor ??= tabBarConfig._backgroundColor;
+    _tagNormalTextStyle = tabBarConfig.tagNormalTextStyle.merge(
       BrnTextStyle(
         color: commonConfig.colorTextBase,
         fontSize: commonConfig.fontSizeCaption,
-      ).merge(tagNormalTextStyle),
+      ).merge(_tagNormalTextStyle),
     );
-    tagSelectedTextStyle = tabBarConfig?.tagSelectedTextStyle?.merge(
+    _tagSelectedTextStyle = tabBarConfig.tagSelectedTextStyle.merge(
       BrnTextStyle(
         color: commonConfig.brandPrimary,
         fontSize: commonConfig.fontSizeCaption,
-      ).merge(tagSelectedTextStyle),
+      ).merge(_tagSelectedTextStyle),
     );
-    tagNormalBgColor ??= tabBarConfig?.tagNormalBgColor;
-    tagSelectedBgColor ??= tabBarConfig?.tagSelectedBgColor;
-    tagRadius ??= commonConfig.radiusSm;
-    tagSpacing ??= tabBarConfig?.tagSpacing;
-    preLineTagCount ??= tabBarConfig?.preLineTagCount;
-    tagHeight ??= tabBarConfig?.tagHeight;
+    _tagNormalBgColor ??= tabBarConfig._tagNormalBgColor;
+    _tagSelectedBgColor ??= tabBarConfig._tagSelectedBgColor;
+    _tagRadius ??= commonConfig.radiusSm;
+    _tagSpacing ??= tabBarConfig._tagSpacing;
+    _preLineTagCount ??= tabBarConfig._preLineTagCount;
+    _tagHeight ??= tabBarConfig._tagHeight;
   }
 
   BrnTabBarConfig copyWith({
@@ -165,45 +231,42 @@ class BrnTabBarConfig extends BrnBaseConfig {
     double? tagHeight,
   }) {
     return BrnTabBarConfig(
-      tabHeight: tabHeight ?? this.tabHeight,
-      indicatorHeight: indicatorHeight ?? this.indicatorHeight,
-      indicatorWidth: indicatorWidth ?? this.indicatorWidth,
-      labelStyle: labelStyle ?? this.labelStyle,
-      unselectedLabelStyle: unselectedLabelStyle ?? this.unselectedLabelStyle,
-      backgroundColor: backgroundColor ?? this.backgroundColor,
-      tagNormalTextStyle: tagNormalTextStyle ?? this.tagNormalTextStyle,
-      tagNormalBgColor: tagNormalColor ?? this.tagNormalBgColor,
-      tagSelectedTextStyle: tagSelectedTextStyle ?? this.tagSelectedTextStyle,
-      tagSelectedBgColor: tagSelectedColor ?? this.tagSelectedBgColor,
-      tagRadius: tagRadius ?? this.tagRadius,
-      tagSpacing: tagSpacing ?? this.tagSpacing,
-      preLineTagCount: preLineTagSize ?? this.preLineTagCount,
-      tagHeight: tagHeight ?? this.tagHeight,
+      tabHeight: tabHeight ?? _tabHeight,
+      indicatorHeight: indicatorHeight ?? _indicatorHeight,
+      indicatorWidth: indicatorWidth ?? _indicatorWidth,
+      labelStyle: labelStyle ?? _labelStyle,
+      unselectedLabelStyle: unselectedLabelStyle ?? _unselectedLabelStyle,
+      backgroundColor: backgroundColor ?? _backgroundColor,
+      tagNormalTextStyle: tagNormalTextStyle ?? _tagNormalTextStyle,
+      tagNormalBgColor: tagNormalColor ?? _tagNormalBgColor,
+      tagSelectedTextStyle: tagSelectedTextStyle ?? _tagSelectedTextStyle,
+      tagSelectedBgColor: tagSelectedColor ?? _tagSelectedBgColor,
+      tagRadius: tagRadius ?? _tagRadius,
+      tagSpacing: tagSpacing ?? _tagSpacing,
+      preLineTagCount: preLineTagSize ?? _preLineTagCount,
+      tagHeight: tagHeight ?? _tagHeight,
     );
   }
 
   BrnTabBarConfig merge(BrnTabBarConfig? other) {
     if (other == null) return this;
     return copyWith(
-      tabHeight: other.tabHeight,
-      indicatorHeight: other.indicatorHeight,
-      indicatorWidth: other.indicatorWidth,
-      labelStyle: labelStyle?.merge(other.labelStyle) ?? other.labelStyle,
+      tabHeight: other._tabHeight,
+      indicatorHeight: other._indicatorHeight,
+      indicatorWidth: other._indicatorWidth,
+      labelStyle: labelStyle.merge(other._labelStyle),
       unselectedLabelStyle:
-          unselectedLabelStyle?.merge(other.unselectedLabelStyle) ??
-              other.unselectedLabelStyle,
-      backgroundColor: other.backgroundColor,
-      tagNormalTextStyle: tagNormalTextStyle?.merge(other.tagNormalTextStyle) ??
-          other.tagNormalTextStyle,
-      tagNormalColor: other.tagNormalBgColor,
+          unselectedLabelStyle.merge(other._unselectedLabelStyle),
+      backgroundColor: other._backgroundColor,
+      tagNormalTextStyle: tagNormalTextStyle.merge(other._tagNormalTextStyle),
+      tagNormalColor: other._tagNormalBgColor,
       tagSelectedTextStyle:
-          tagSelectedTextStyle?.merge(other.tagSelectedTextStyle) ??
-              other.tagSelectedTextStyle,
-      tagSelectedColor: other.tagSelectedBgColor,
-      tagRadius: other.tagRadius,
-      tagSpacing: other.tagSpacing,
-      preLineTagSize: other.preLineTagCount,
-      tagHeight: other.tagHeight,
+          tagSelectedTextStyle.merge(other._tagSelectedTextStyle),
+      tagSelectedColor: other._tagSelectedBgColor,
+      tagRadius: other._tagRadius,
+      tagSpacing: other._tagSpacing,
+      preLineTagSize: other._preLineTagCount,
+      tagHeight: other._tagHeight,
     );
   }
 }
diff --git a/lib/src/theme/configs/brn_tag_config.dart b/lib/src/theme/configs/brn_tag_config.dart
index 113493c6..39b03a26 100644
--- a/lib/src/theme/configs/brn_tag_config.dart
+++ b/lib/src/theme/configs/brn_tag_config.dart
@@ -1,4 +1,5 @@
 import 'package:bruno/src/theme/base/brn_base_config.dart';
+import 'package:bruno/src/theme/base/brn_default_config_utils.dart';
 import 'package:bruno/src/theme/base/brn_text_style.dart';
 import 'package:bruno/src/theme/brn_theme_configurator.dart';
 import 'package:bruno/src/theme/configs/brn_common_config.dart';
@@ -7,16 +8,24 @@ import 'package:flutter/painting.dart';
 /// 标签配置类
 class BrnTagConfig extends BrnBaseConfig {
   BrnTagConfig({
-    this.tagTextStyle,
-    this.selectTagTextStyle,
-    this.tagRadius,
-    this.tagBackgroundColor,
-    this.selectedTagBackgroundColor,
-    this.tagHeight,
-    this.tagWidth,
-    this.tagMinWidth,
+    BrnTextStyle? tagTextStyle,
+    BrnTextStyle? selectTagTextStyle,
+    double? tagRadius,
+    Color? tagBackgroundColor,
+    Color? selectedTagBackgroundColor,
+    double? tagHeight,
+    double? tagWidth,
+    double? tagMinWidth,
     String configId = GLOBAL_CONFIG_ID,
-  }) : super(configId: configId);
+  })  : _tagTextStyle = tagTextStyle,
+        _selectTagTextStyle = selectTagTextStyle,
+        _tagRadius = tagRadius,
+        _tagBackgroundColor = tagBackgroundColor,
+        _selectedTagBackgroundColor = selectedTagBackgroundColor,
+        _tagHeight = tagHeight,
+        _tagWidth = tagWidth,
+        _tagMinWidth = tagMinWidth,
+        super(configId: configId);
 
   /// tag 文本样式
   ///
@@ -24,7 +33,7 @@ class BrnTagConfig extends BrnBaseConfig {
   ///   color: [BrnCommonConfig.colorTextBase],
   ///   fontSize: [BrnCommonConfig.fontSizeCaption],
   /// )
-  BrnTextStyle? tagTextStyle;
+  BrnTextStyle? _tagTextStyle;
 
   /// tag选中文本样式
   ///
@@ -33,31 +42,58 @@ class BrnTagConfig extends BrnBaseConfig {
   ///   fontSize: [BrnCommonConfig.fontSizeCaption],
   ///   fontWeight: FontWeight.w600,
   /// )
-  BrnTextStyle? selectTagTextStyle;
+  BrnTextStyle? _selectTagTextStyle;
 
   /// 标签背景色
   /// default [BrnCommonConfig.fillBody]
-  Color? tagBackgroundColor;
+  Color? _tagBackgroundColor;
 
   /// 选中背景色
   /// default [BrnCommonConfig.brandPrimary]
-  Color? selectedTagBackgroundColor;
+  Color? _selectedTagBackgroundColor;
 
   /// 标签圆角
   /// 默认为 [BrnCommonConfig.radiusXs]
-  double? tagRadius;
+  double? _tagRadius;
 
   /// 标签高度，跟 fixWidthMode 无关
   /// 默认为 34
-  double? tagHeight;
+  double? _tagHeight;
 
   /// 标签宽度，且仅在组件设置了固定宽度（fixWidthMode 为 true）时才生效
   /// 默认为 75
-  double? tagWidth;
+  double? _tagWidth;
 
   /// 标签最小宽度
   /// 默认为 75
-  double? tagMinWidth;
+  double? _tagMinWidth;
+
+  BrnTextStyle get tagTextStyle =>
+      _tagTextStyle ?? BrnDefaultConfigUtils.defaultTagConfig.tagTextStyle;
+
+  BrnTextStyle get selectTagTextStyle =>
+      _selectTagTextStyle ??
+      BrnDefaultConfigUtils.defaultTagConfig.selectTagTextStyle;
+
+  Color get tagBackgroundColor =>
+      _tagBackgroundColor ??
+      BrnDefaultConfigUtils.defaultTagConfig.tagBackgroundColor;
+
+  Color get selectedTagBackgroundColor =>
+      _selectedTagBackgroundColor ??
+      BrnDefaultConfigUtils.defaultTagConfig.selectedTagBackgroundColor;
+
+  double get tagRadius =>
+      _tagRadius ?? BrnDefaultConfigUtils.defaultTagConfig.tagRadius;
+
+  double get tagHeight =>
+      _tagHeight ?? BrnDefaultConfigUtils.defaultTagConfig.tagHeight;
+
+  double get tagWidth =>
+      _tagWidth ?? BrnDefaultConfigUtils.defaultTagConfig.tagWidth;
+
+  double get tagMinWidth =>
+      _tagMinWidth ?? BrnDefaultConfigUtils.defaultTagConfig.tagMinWidth;
 
   @override
   void initThemeConfig(
@@ -70,26 +106,26 @@ class BrnTagConfig extends BrnBaseConfig {
     );
 
     /// 用户全局组件配置
-    BrnTagConfig? tagConfig =
+    BrnTagConfig tagConfig =
         BrnThemeConfigurator.instance.getConfig(configId: configId).tagConfig;
 
-    tagHeight ??= tagConfig?.tagHeight;
-    tagWidth ??= tagConfig?.tagWidth;
-    tagMinWidth ??= tagConfig?.tagMinWidth;
-    tagRadius ??= commonConfig.radiusXs;
-    tagBackgroundColor ??= commonConfig.fillBody;
-    selectedTagBackgroundColor ??= commonConfig.brandPrimary;
-    tagTextStyle = tagConfig?.tagTextStyle?.merge(
+    _tagHeight ??= tagConfig._tagHeight;
+    _tagWidth ??= tagConfig._tagWidth;
+    _tagMinWidth ??= tagConfig._tagMinWidth;
+    _tagRadius ??= commonConfig.radiusXs;
+    _tagBackgroundColor ??= commonConfig.fillBody;
+    _selectedTagBackgroundColor ??= commonConfig.brandPrimary;
+    _tagTextStyle = tagConfig.tagTextStyle.merge(
       BrnTextStyle(
         color: commonConfig.colorTextBase,
         fontSize: commonConfig.fontSizeCaption,
-      ).merge(tagTextStyle),
+      ).merge(_tagTextStyle),
     );
-    selectTagTextStyle = tagConfig?.selectTagTextStyle?.merge(
+    _selectTagTextStyle = tagConfig.selectTagTextStyle.merge(
       BrnTextStyle(
         color: commonConfig.brandPrimary,
         fontSize: commonConfig.fontSizeCaption,
-      ).merge(selectTagTextStyle),
+      ).merge(_selectTagTextStyle),
     );
   }
 
@@ -104,29 +140,28 @@ class BrnTagConfig extends BrnBaseConfig {
     double? tagMinWidth,
   }) {
     return BrnTagConfig(
-      tagTextStyle: textStyle ?? this.tagTextStyle,
-      selectTagTextStyle: selectTextStyle ?? this.selectTagTextStyle,
-      tagRadius: radius ?? this.tagRadius,
-      tagBackgroundColor: backgroundColor ?? this.tagBackgroundColor,
+      tagTextStyle: textStyle ?? _tagTextStyle,
+      selectTagTextStyle: selectTextStyle ?? _selectTagTextStyle,
+      tagRadius: radius ?? _tagRadius,
+      tagBackgroundColor: backgroundColor ?? _tagBackgroundColor,
       selectedTagBackgroundColor:
-          selectedBackgroundColor ?? this.selectedTagBackgroundColor,
-      tagHeight: height ?? this.tagHeight,
-      tagWidth: width ?? this.tagWidth,
-      tagMinWidth: tagMinWidth ?? this.tagMinWidth,
+          selectedBackgroundColor ?? _selectedTagBackgroundColor,
+      tagHeight: height ?? _tagHeight,
+      tagWidth: width ?? _tagWidth,
+      tagMinWidth: tagMinWidth ?? _tagMinWidth,
     );
   }
 
   BrnTagConfig merge(BrnTagConfig other) {
     return copyWith(
-      textStyle: tagTextStyle?.merge(other.tagTextStyle) ?? other.tagTextStyle,
-      selectTextStyle: selectTagTextStyle?.merge(other.selectTagTextStyle) ??
-          other.selectTagTextStyle,
-      radius: other.tagRadius,
-      backgroundColor: other.tagBackgroundColor,
-      selectedBackgroundColor: other.selectedTagBackgroundColor,
-      height: other.tagHeight,
-      width: other.tagWidth,
-      tagMinWidth: other.tagMinWidth,
+      textStyle: tagTextStyle.merge(other._tagTextStyle),
+      selectTextStyle: selectTagTextStyle.merge(other._selectTagTextStyle),
+      radius: other._tagRadius,
+      backgroundColor: other._tagBackgroundColor,
+      selectedBackgroundColor: other._selectedTagBackgroundColor,
+      height: other._tagHeight,
+      width: other._tagWidth,
+      tagMinWidth: other._tagMinWidth,
     );
   }
 }