diff --git a/components/_util/use/useModel.ts b/components/_util/use/useModel.ts
index a7aa80a3..a6817c38 100644
--- a/components/_util/use/useModel.ts
+++ b/components/_util/use/useModel.ts
@@ -8,6 +8,12 @@ type UseNormalModelOptions = {
     defaultValue?: any;
 };
 
+// TODO: 后续考虑如何并入 useNormalModel
+export type UseNormalModelReturn<
+    Props extends Record<string, unknown>,
+    Key extends keyof Props,
+> = [WritableComputedRef<Props[Key]>, (value: Props[Key]) => void];
+
 export const useNormalModel = (
     props: Record<string, any>,
     emit: any,
diff --git a/components/calendar/useCalendarData.ts b/components/calendar/useCalendarData.ts
index 367a4e56..ecf5f8a1 100644
--- a/components/calendar/useCalendarData.ts
+++ b/components/calendar/useCalendarData.ts
@@ -1,10 +1,9 @@
 import { computed, ref } from 'vue';
 import { Day } from 'date-fns';
 import { isNil } from 'lodash-es';
-import { useNormalModel } from '../_util/use/useModel';
+import { UseNormalModelReturn, useNormalModel } from '../_util/use/useModel';
 import { CalendarEvent, CalendarInnerProps, CalendarShortcut } from './props';
 import {
-    UseNormalModelReturn,
     convertCalendarDateToUnixTime,
     convertUnixTimeToCalendarDate,
     generateCalendarDates,
diff --git a/components/calendar/utils.ts b/components/calendar/utils.ts
index f6ae48e7..fb3cb7d5 100644
--- a/components/calendar/utils.ts
+++ b/components/calendar/utils.ts
@@ -1,17 +1,10 @@
 import { Day, addMonths, getDaysInMonth, set, subDays } from 'date-fns';
 import { isNil } from 'lodash-es';
-import { WritableComputedRef } from 'vue';
 import { prefixCls } from './const';
 import { CalendarDate, UnixTime } from './types';
 
 export const cls = (className: string) => `${prefixCls}-${className}`;
 
-// TODO: 后续考虑如何并入 useNormalModel
-export type UseNormalModelReturn<
-    Props extends Record<string, unknown>,
-    Key extends keyof Props,
-> = [WritableComputedRef<Props[Key]>, (value: Props[Key]) => void];
-
 /**
  * 根据一个 Date，计算其所在月份日历
  *
diff --git a/components/collapse/collapse.vue b/components/collapse/collapse.vue
index e4322d28..66a16ffa 100644
--- a/components/collapse/collapse.vue
+++ b/components/collapse/collapse.vue
@@ -5,37 +5,83 @@
 </template>
 
 <script lang="ts">
-import { provide, defineComponent, computed } from 'vue';
+import { provide, defineComponent, computed, watch } from 'vue';
+import { isNil } from 'lodash-es';
 import { useTheme } from '../_theme/useTheme';
-import { useNormalModel } from '../_util/use/useModel';
+import { UseNormalModelReturn, useNormalModel } from '../_util/use/useModel';
 import { collapseEmits, collapseProps } from './collapseExpose';
 import { useNamespace } from './useNamespace';
-import { arrowPositionKey, collapseContextKey } from './common';
+import { COMPONENT_NAME, arrowPositionKey, collapseContextKey } from './common';
 import type { CollapseActiveName } from './common';
 
 export default defineComponent({
-    name: 'FCollapse',
+    name: COMPONENT_NAME,
     props: collapseProps,
     emits: collapseEmits,
     setup(props, { emit }) {
         useTheme();
 
-        const [activeNames, setActiveNames] = useNormalModel(props, emit);
+        const [modelValue, setModelValue]: UseNormalModelReturn<
+            typeof props,
+            'modelValue'
+        > = useNormalModel(props, emit);
+
+        const activeNames = computed<(string | number)[]>({
+            get: () => {
+                if (isNil(modelValue.value)) return [];
+
+                if (props.accordion) {
+                    if (Array.isArray(modelValue.value)) {
+                        console.warn(
+                            `${COMPONENT_NAME}: 手风琴模式下 modelValue 不支持数组`,
+                        );
+                        return [];
+                    }
+
+                    return [modelValue.value];
+                } else {
+                    if (!Array.isArray(modelValue.value)) {
+                        console.warn(
+                            `${COMPONENT_NAME}: 非手风琴模式下 modelValue 仅支持数组`,
+                        );
+                        return [];
+                    }
+
+                    return modelValue.value;
+                }
+            },
+            set: (names) => {
+                if (props.accordion) {
+                    setModelValue(names[0]);
+                } else {
+                    setModelValue(names);
+                }
+            },
+        });
+
+        // 手风琴模式变化时，重置 modelValue
+        watch(
+            () => props.accordion,
+            () => {
+                activeNames.value = [];
+            },
+        );
 
         const handleItemClick = (name: CollapseActiveName) => {
+            let _activeNames = [...activeNames.value];
+            const index = _activeNames.indexOf(name);
+
             if (props.accordion) {
-                setActiveNames([activeNames.value[0] === name ? '' : name]);
+                _activeNames = index > -1 ? [] : [name];
             } else {
-                const _activeNames = [...activeNames.value];
-                const index = _activeNames.indexOf(name);
-
                 if (index > -1) {
                     _activeNames.splice(index, 1);
                 } else {
                     _activeNames.push(name);
                 }
-                setActiveNames(_activeNames);
             }
+
+            activeNames.value = _activeNames;
         };
 
         provide(collapseContextKey, {
@@ -51,10 +97,10 @@ export default defineComponent({
             arrow: props?.arrow,
             embedded: computed(() => props?.embedded),
         });
+
         return {
             rootKls,
             activeNames,
-            setActiveNames,
         };
     },
 });
diff --git a/components/collapse/collapseExpose.ts b/components/collapse/collapseExpose.ts
index 7a6da529..cf72ec0e 100644
--- a/components/collapse/collapseExpose.ts
+++ b/components/collapse/collapseExpose.ts
@@ -9,9 +9,6 @@ type Arrayable<T> = T | T[];
 export type CollapseModelValue = Arrayable<CollapseActiveName>;
 export type Mutable<T> = { -readonly [P in keyof T]: T[P] }; // 移除只读特性
 
-const mutable = <T extends readonly any[] | Record<string, unknown>>(val: T) =>
-    val as Mutable<typeof val>;
-
 export const emitChangeFn = (value: CollapseModelValue) =>
     typeof isNumber(value) || isString(value) || Array.isArray(value);
 
@@ -23,7 +20,6 @@ export const collapseProps = {
     },
     modelValue: {
         type: definePropType<CollapseModelValue>([Array, String, Number]),
-        default: () => mutable([] as const), // 常量
     },
     embedded: {
         type: Boolean,
diff --git a/components/collapse/common.ts b/components/collapse/common.ts
index 0d626712..ad44188c 100644
--- a/components/collapse/common.ts
+++ b/components/collapse/common.ts
@@ -1,5 +1,7 @@
 import type { InjectionKey, PropType, Ref } from 'vue';
 
+export const COMPONENT_NAME = 'FCollapse';
+
 export const definePropType = <T>(val: any): PropType<T> => val;
 
 export const generateId = (): number => Math.floor(Math.random() * 10000);
diff --git a/docs/.vitepress/components/collapse/accordion.vue b/docs/.vitepress/components/collapse/accordion.vue
index 2e52d02c..07a5141e 100644
--- a/docs/.vitepress/components/collapse/accordion.vue
+++ b/docs/.vitepress/components/collapse/accordion.vue
@@ -1,6 +1,11 @@
 <template>
-    <div class="demo-collapse">
-        <FCollapse v-model="activeName" accordion :embedded="false">
+    <FSpace vertical>
+        <FSwitch v-model="accordion">手风琴模式</FSwitch>
+        <FCollapse
+            v-model="activeName"
+            :accordion="accordion"
+            :embedded="false"
+        >
             <FCollapseItem title="Consistency" name="1">
                 <div>
                     岁月静好，浅笑安然。打开记忆的闸门，仿佛又回到了那年那月那时光，仿佛又见到你送给我的那盆清香茉莉，在细雨潇潇的夜晚，所呈现出来的洁净和楚楚动人。以前的过往总是在记忆深处，以固有的姿态，以从未稍离的执着提醒我，生命中有一种存在，叫以前。
@@ -22,17 +27,19 @@
                 </div>
             </FCollapseItem>
         </FCollapse>
-    </div>
+    </FSpace>
 </template>
 
-<script>
-import { ref } from 'vue';
-export default {
-    setup() {
-        const activeName = ref('1');
-        return {
-            activeName,
-        };
-    },
-};
+<script setup>
+import { ref, watch } from 'vue';
+const accordion = ref(true);
+
+const activeName = ref('1');
+
+watch(activeName, (name) =>
+    console.log(
+        '[FCollapse.accordion] activeName',
+        JSON.parse(JSON.stringify(name)),
+    ),
+);
 </script>
diff --git a/docs/.vitepress/components/collapse/arrowleft.vue b/docs/.vitepress/components/collapse/arrowleft.vue
index 9c55df25..1263bb92 100644
--- a/docs/.vitepress/components/collapse/arrowleft.vue
+++ b/docs/.vitepress/components/collapse/arrowleft.vue
@@ -1,6 +1,6 @@
 <template>
     <div class="demo-collapse">
-        <FCollapse v-model="activeNames" :arrow="'left'" @change="handleChange">
+        <FCollapse v-model="activeNames" :arrow="'left'">
             <FCollapseItem title="Consistency" name="1">
                 <div>
                     岁月静好，浅笑安然。打开记忆的闸门，仿佛又回到了那年那月那时光，仿佛又见到你送给我的那盆清香茉莉，在细雨潇潇的夜晚，所呈现出来的洁净和楚楚动人。以前的过往总是在记忆深处，以固有的姿态，以从未稍离的执着提醒我，生命中有一种存在，叫以前。
@@ -31,12 +31,9 @@ import { ref } from 'vue';
 export default {
     setup() {
         const activeNames = ref(['1']);
-        const handleChange = (value) => {
-            console.log('[collapse.arrowleft] [handleChange] value:', value);
-        };
+
         return {
             activeNames,
-            handleChange,
         };
     },
 };
diff --git a/docs/.vitepress/components/collapse/basic.vue b/docs/.vitepress/components/collapse/basic.vue
index 9a195a62..d0bf2457 100644
--- a/docs/.vitepress/components/collapse/basic.vue
+++ b/docs/.vitepress/components/collapse/basic.vue
@@ -1,6 +1,6 @@
 <template>
     <div class="demo-collapse">
-        <FCollapse v-model="activeNames" @change="handleChange">
+        <FCollapse v-model="activeNames">
             <FCollapseItem title="Consistency" name="1">
                 <div>
                     岁月静好，浅笑安然。打开记忆的闸门，仿佛又回到了那年那月那时光，仿佛又见到你送给我的那盆清香茉莉，在细雨潇潇的夜晚，所呈现出来的洁净和楚楚动人。以前的过往总是在记忆深处，以固有的姿态，以从未稍离的执着提醒我，生命中有一种存在，叫以前。
@@ -31,12 +31,9 @@ import { ref } from 'vue';
 export default {
     setup() {
         const activeNames = ref(['1']);
-        const handleChange = (value) => {
-            console.log('[collapse.basic] [handleChange] value:', value);
-        };
+
         return {
             activeNames,
-            handleChange,
         };
     },
 };
diff --git a/docs/.vitepress/components/collapse/embedded.vue b/docs/.vitepress/components/collapse/embedded.vue
index 2c0f00e3..606ee6a1 100644
--- a/docs/.vitepress/components/collapse/embedded.vue
+++ b/docs/.vitepress/components/collapse/embedded.vue
@@ -1,11 +1,7 @@
 <template>
     <div class="demo-collapse">
         <FSwitch v-model="embedded"></FSwitch>
-        <FCollapse
-            v-model="activeNames"
-            :embedded="embedded"
-            @change="handleChange"
-        >
+        <FCollapse v-model="activeNames" :embedded="embedded">
             <FCollapseItem title="Consistency" name="1">
                 <div>
                     岁月静好，浅笑安然。打开记忆的闸门，仿佛又回到了那年那月那时光，仿佛又见到你送给我的那盆清香茉莉，在细雨潇潇的夜晚，所呈现出来的洁净和楚楚动人。以前的过往总是在记忆深处，以固有的姿态，以从未稍离的执着提醒我，生命中有一种存在，叫以前。
@@ -36,14 +32,10 @@ import { ref } from 'vue';
 export default {
     setup() {
         const activeNames = ref(['1']);
-        const handleChange = (value) => {
-            console.log('[collapse.embedded] [handleChange] value:', value);
-        };
         const embedded = ref(false);
         return {
             embedded,
             activeNames,
-            handleChange,
         };
     },
 };
diff --git a/docs/.vitepress/components/collapse/index.md b/docs/.vitepress/components/collapse/index.md
index 0d737b89..2a40ce39 100644
--- a/docs/.vitepress/components/collapse/index.md
+++ b/docs/.vitepress/components/collapse/index.md
@@ -14,7 +14,9 @@ app.use(FCollapse);
 
 可同时展开多个面板，面板之间不影响
 
---BASIC
+:::demo
+basic.vue
+:::
 
 ## 手风琴效果
 
@@ -22,42 +24,42 @@ app.use(FCollapse);
 
 通过 `accordion` 属性来设置是否以手风琴模式显示。
 
---ACCORDION
+:::demo
+accordion.vue
+:::
 
 ## 箭头在左边
 
 箭头在左边配置
 
---ARROWLEFT
+:::demo
+arrowleft.vue
+:::
 
 ## 背景色
 
 embedded 控制背景色
 
---EMBEDDED
+:::demo
+embedded.vue
+:::
 
 ## 自定义面板标题
 
 除了可以通过 `title` 属性以外，还可以通过具名 `slot` 来实现自定义面板的标题内容，以实现增加图标等效果。
 
---CUSTOMIZATION
-
---CODE
+:::demo
+customization.vue
+:::
 
 ## Collapse 属性
 
 | 属性名                | 详情                                                                    | 类型                                                 | 可选值 | 默认值 |
 | --------------------- | ----------------------------------------------------------------------- | ---------------------------------------------------- | ------ | ------ |
-| model-value / v-model | 当前激活的面板(如果是手风琴模式，绑定值类型需要为 string，否则为 array) | string (accordion mode) / array (non-accordion mode) | —      | —      |
-| accordion             | 是否手风琴模式                                                          | boolean                                              | —      | false  |
-| arrow                 | 箭头位置 ( left, right ) ，默认右边                                     | string                                               | —      | right  |
-| embedded              | 内容使用更深的背景色展现嵌入效果                                        | boolean                                              | —      | true   |
-
-## Collapse 事件
-
-| 属性名 | 说明                                                                                   | 回调参数                                                            |
-| ------ | -------------------------------------------------------------------------------------- | ------------------------------------------------------------------- |
-| change | 当前激活面板改变时触发(如果是手风琴模式，参数 activeNames 类型为 string，否则为 array) | (activeNames: array (non-accordion mode) / string (accordion mode)) |
+| model-value / v-model | 当前激活的面板(如果是手风琴模式，绑定值类型需要为 string，否则为 array) | string (accordion mode) / array (non-accordion mode) | -      | -      |
+| accordion             | 是否手风琴模式                                                          | boolean                                              | -      | false  |
+| arrow                 | 箭头位置 ( left, right ) ，默认右边                                     | string                                               | -      | right  |
+| embedded              | 内容使用更深的背景色展现嵌入效果                                        | boolean                                              | -      | true   |
 
 ## Collapse 插槽
 
@@ -69,13 +71,13 @@ embedded 控制背景色
 
 | 属性名   | 说明       | 类型          | 可选值 | 默认值 |
 | -------- | ---------- | ------------- | ------ | ------ |
-| name     | 唯一标志符 | string/number | —      | —      |
-| title    | 面板标题   | string        | —      | —      |
-| disabled | 是否禁用   | boolean       | —      | —      |
+| name     | 唯一标志符 | string/number | -      | -      |
+| title    | 面板标题   | string        | -      | -      |
+| disabled | 是否禁用   | boolean       | -      | -      |
 
 ## Collapse Item 插槽
 
 | 属性名 | 说明             |
 | ------ | ---------------- |
-| —      | 折叠项的内容     |
+| -      | 折叠项的内容     |
 | title  | 折叠项标题的内容 |
diff --git a/docs/.vitepress/configs/sidebar/index.ts b/docs/.vitepress/configs/sidebar/index.ts
index dd82172f..ea8b72b6 100644
--- a/docs/.vitepress/configs/sidebar/index.ts
+++ b/docs/.vitepress/configs/sidebar/index.ts
@@ -34,7 +34,7 @@ export default {
                         link: '/zh/components/layout',
                     },
                     {
-                        text: 'Grid 删格',
+                        text: 'Grid 栅格',
                         link: '/zh/components/grid',
                     },
                     {