diff --git a/CHANGELOG.md b/CHANGELOG.md
index 7849502..9e9ca4f 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,3 +1,8 @@
+## 0.4.1
+
+- Doc alert value modify cover in the same context.
+- Update example code.
+
 ## 0.4.0
 
 - Wrap string into text widget.
diff --git a/example/lib/main.dart b/example/lib/main.dart
index e0b5ffe..5821011 100644
--- a/example/lib/main.dart
+++ b/example/lib/main.dart
@@ -9,8 +9,10 @@ class App extends StatelessWidget {
   const App({super.key});
 
   @override
-  Widget build(BuildContext context) => const Text('app root')
+  Widget build(BuildContext context) => 'app root'
+      .textWidget
       .wrapCenter
+      .wrap((context, child) => child.wrapFontSize(context, 50))
       .wrapForeground(context, const Color(0xffdedcda))
       .wrapBackground(const Color(0xff804044))
       .ensureTextEnvironment(context);
diff --git a/lib/src/text.dart b/lib/src/text.dart
index df3b19f..b61d972 100644
--- a/lib/src/text.dart
+++ b/lib/src/text.dart
@@ -70,7 +70,9 @@ extension WrapTextStyle on Widget {
   /// When you are going to modify more than one property,
   /// you should use [modifyTextStyle] or [wrapTextStyle] instead,
   /// which is more effective.
+  ///
   /// Calling those methods more than once might waste performance.
+  /// And calling them in the same context will cover the previous value.
   Widget wrapFontSize(BuildContext context, double size) {
     assert(size > 0);
     return DefaultTextStyle(
@@ -81,7 +83,14 @@ extension WrapTextStyle on Widget {
 
   /// Same as copy and modify the font family of [DefaultTextStyle.style]
   /// and wrap this widget with such data.
+  ///
+  /// This method will only modify one property.
+  /// When you are going to modify more than one property,
+  /// you should use [modifyTextStyle] or [wrapTextStyle] instead,
+  /// which is more effective.
+  ///
   /// Calling those methods more than once might waste performance.
+  /// And calling them in the same context will cover the previous value.
   Widget wrapFontFamily(BuildContext context, String family) =>
       DefaultTextStyle(
         style: DefaultTextStyle.of(context).style.copyWith(fontFamily: family),
@@ -91,7 +100,14 @@ extension WrapTextStyle on Widget {
   /// Same as copy and modify the font family fallback
   /// of [DefaultTextStyle.style]
   /// and wrap this widget with such data.
+  ///
+  /// This method will only modify one property.
+  /// When you are going to modify more than one property,
+  /// you should use [modifyTextStyle] or [wrapTextStyle] instead,
+  /// which is more effective.
+  ///
   /// Calling those methods more than once might waste performance.
+  /// And calling them in the same context will cover the previous value.
   Widget wrapFontFamilyFallback(
     BuildContext context,
     List<String> fontFamilyFallback,
@@ -105,6 +121,14 @@ extension WrapTextStyle on Widget {
 
   /// Same as copy and modify the color of [DefaultTextStyle.style]
   /// and wrap this widget with such data.
+  ///
+  /// This method will only modify one property.
+  /// When you are going to modify more than one property,
+  /// you should use [modifyTextStyle] or [wrapTextStyle] instead,
+  /// which is more effective.
+  ///
+  /// Calling those methods more than once might waste performance.
+  /// And calling them in the same context will cover the previous value.
   Widget wrapFontColor(BuildContext context, Color color) => DefaultTextStyle(
         style: DefaultTextStyle.of(context).style.copyWith(color: color),
         child: this,
diff --git a/pubspec.yaml b/pubspec.yaml
index 1003f77..b727218 100644
--- a/pubspec.yaml
+++ b/pubspec.yaml
@@ -1,6 +1,6 @@
 name: wrap
 description: Chain style programming syntax sugar utilities for flutter widgets.
-version: 0.4.0
+version: 0.4.1
 repository: https://github.com/aprosail/wrap
 environment: {sdk: ">=3.3.4 <4.0.0", flutter: ">=3.19.6"}