diff --git a/db/TDesign.db b/db/TDesign.db
index b5e773bf2..505a8d6ed 100644
Binary files a/db/TDesign.db and b/db/TDesign.db differ
diff --git a/packages/products/tdesign-react/packages/components/dialog/dialog.en-US.md b/packages/products/tdesign-react/packages/components/dialog/dialog.en-US.md
index f9407aacb..f649e4a07 100644
--- a/packages/products/tdesign-react/packages/components/dialog/dialog.en-US.md
+++ b/packages/products/tdesign-react/packages/components/dialog/dialog.en-US.md
@@ -28,7 +28,7 @@ confirmBtn | TNode | - | Typescript: `string \| ButtonProps \| TNode \| null`。
 confirmLoading | Boolean | undefined | confirm button loading status | N
 confirmOnEnter | Boolean | - | confirm on enter | N
 destroyOnClose | Boolean | false | \- | N
-dialogClassName | String | - | \- | N
+dialogClassName | String / Object / Array | - | The class name for the popover content section, supporting multiple formats: string (e.g., `'name1 name2 name3'`), array (e.g., `['name1', 'name2']`), or array of objects (e.g., `[{ 'name1': true }]`)。Typescript: `ClassName`。[see more ts definition](https://github.com/Tencent/tdesign-react/blob/develop/packages/components/common.ts) | N
 dialogStyle | Object | - | Styles that apply to the dialog box itself。Typescript: `Styles`。[see more ts definition](https://github.com/Tencent/tdesign-react/blob/develop/packages/components/common.ts) | N
 draggable | Boolean | false | not effective in `full-screen` mode | N
 footer | TNode | true | Typescript: `boolean \| TNode`。[see more ts definition](https://github.com/Tencent/tdesign-react/blob/develop/packages/components/common.ts) | N
diff --git a/packages/products/tdesign-react/packages/components/dialog/dialog.md b/packages/products/tdesign-react/packages/components/dialog/dialog.md
index cb5b596d6..81d8210ee 100644
--- a/packages/products/tdesign-react/packages/components/dialog/dialog.md
+++ b/packages/products/tdesign-react/packages/components/dialog/dialog.md
@@ -28,7 +28,7 @@ confirmBtn | TNode | - | 确认按钮。值为 null 则不显示确认按钮。
 confirmLoading | Boolean | undefined | 确认按钮加载状态 | N
 confirmOnEnter | Boolean | - | 是否在按下回车键时，触发确认事件 | N
 destroyOnClose | Boolean | false | 是否在关闭弹框的时候销毁子元素 | N
-dialogClassName | String | - | 弹框元素类名，示例：'t-class-dialog-first t-class-dialog-second' | N
+dialogClassName | String / Object / Array | - | 内容部分的类名，支持多种格式：字符串（例如 `'name1 name2 name3'`）、数组（例如 `['name1', 'name2']`）或对象数组（例如 `[{ 'name1': true }]`）。TS 类型：`ClassName`。[通用类型定义](https://github.com/Tencent/tdesign-react/blob/develop/packages/components/common.ts) | N
 dialogStyle | Object | - | 作用于对话框本身的样式。TS 类型：`Styles`。[通用类型定义](https://github.com/Tencent/tdesign-react/blob/develop/packages/components/common.ts) | N
 draggable | Boolean | false | 是否可以拖拽（对全屏对话框无效） | N
 footer | TNode | true | 底部操作栏，默认会有“确认”和“取消”两个按钮。值为 true 显示默认操作按钮，值为 false 不显示任何内容，值类型为 Function 表示自定义底部内容。TS 类型：`boolean \| TNode`。[通用类型定义](https://github.com/Tencent/tdesign-react/blob/develop/packages/components/common.ts) | N
diff --git a/packages/products/tdesign-react/packages/components/dialog/type.ts b/packages/products/tdesign-react/packages/components/dialog/type.ts
index d89c2331b..ad49b731f 100644
--- a/packages/products/tdesign-react/packages/components/dialog/type.ts
+++ b/packages/products/tdesign-react/packages/components/dialog/type.ts
@@ -5,7 +5,7 @@
  * */
 
 import { ButtonProps } from '../button';
-import { TNode, Styles, AttachNode } from '../common';
+import { TNode, ClassName, Styles, AttachNode } from '../common';
 import { MouseEvent, KeyboardEvent } from 'react';
 
 export interface TdDialogProps {
@@ -56,10 +56,9 @@ export interface TdDialogProps {
    */
   destroyOnClose?: boolean;
   /**
-   * 弹框元素类名，示例：'t-class-dialog-first t-class-dialog-second'
-   * @default ''
+   * 内容部分的类名，支持多种格式：字符串（例如 `'name1 name2 name3'`）、数组（例如 `['name1', 'name2']`）或对象数组（例如 `[{ 'name1': true }]`）
    */
-  dialogClassName?: string;
+  dialogClassName?: ClassName;
   /**
    * 作用于对话框本身的样式
    */
diff --git a/packages/products/tdesign-vue-next/packages/components/dialog/dialog.en-US.md b/packages/products/tdesign-vue-next/packages/components/dialog/dialog.en-US.md
index 6ed9f391f..f9c9db53d 100644
--- a/packages/products/tdesign-vue-next/packages/components/dialog/dialog.en-US.md
+++ b/packages/products/tdesign-vue-next/packages/components/dialog/dialog.en-US.md
@@ -43,7 +43,7 @@ confirmLoading | Boolean | undefined | confirm button loading status | N
 confirmOnEnter | Boolean | - | confirm on enter | N
 default | String / Slot / Function | - | Typescript: `string \| TNode`。[see more ts definition](https://github.com/Tencent/tdesign-vue-next/blob/develop/packages/components/common.ts) | N
 destroyOnClose | Boolean | false | \- | N
-dialogClassName | String | - | \- | N
+dialogClassName | String / Object / Array | - | The class name for the popover content section, supporting multiple formats: string (e.g., `'name1 name2 name3'`), array (e.g., `['name1', 'name2']`), or array of objects (e.g., `[{ 'name1': true }]`)。Typescript: `ClassName`。[see more ts definition](https://github.com/Tencent/tdesign-vue-next/blob/develop/packages/components/common.ts) | N
 dialogStyle | Object | - | Styles that apply to the dialog box itself。Typescript: `Styles`。[see more ts definition](https://github.com/Tencent/tdesign-vue-next/blob/develop/packages/components/common.ts) | N
 draggable | Boolean | false | not effective in `full-screen` mode | N
 footer | Boolean / Slot / Function | true | Typescript: `boolean \| TNode`。[see more ts definition](https://github.com/Tencent/tdesign-vue-next/blob/develop/packages/components/common.ts) | N
diff --git a/packages/products/tdesign-vue-next/packages/components/dialog/dialog.md b/packages/products/tdesign-vue-next/packages/components/dialog/dialog.md
index 4f9a73e67..4cbc04cd0 100644
--- a/packages/products/tdesign-vue-next/packages/components/dialog/dialog.md
+++ b/packages/products/tdesign-vue-next/packages/components/dialog/dialog.md
@@ -43,7 +43,7 @@ confirmLoading | Boolean | undefined | 确认按钮加载状态 | N
 confirmOnEnter | Boolean | - | 是否在按下回车键时，触发确认事件 | N
 default | String / Slot / Function | - | 对话框内容，同 body。TS 类型：`string \| TNode`。[通用类型定义](https://github.com/Tencent/tdesign-vue-next/blob/develop/packages/components/common.ts) | N
 destroyOnClose | Boolean | false | 是否在关闭弹框的时候销毁子元素 | N
-dialogClassName | String | - | 弹框元素类名，示例：'t-class-dialog-first t-class-dialog-second' | N
+dialogClassName | String / Object / Array | - | 内容部分的类名，支持多种格式：字符串（例如 `'name1 name2 name3'`）、数组（例如 `['name1', 'name2']`）或对象数组（例如 `[{ 'name1': true }]`）。TS 类型：`ClassName`。[通用类型定义](https://github.com/Tencent/tdesign-vue-next/blob/develop/packages/components/common.ts) | N
 dialogStyle | Object | - | 作用于对话框本身的样式。TS 类型：`Styles`。[通用类型定义](https://github.com/Tencent/tdesign-vue-next/blob/develop/packages/components/common.ts) | N
 draggable | Boolean | false | 是否可以拖拽（对全屏对话框无效） | N
 footer | Boolean / Slot / Function | true | 底部操作栏，默认会有“确认”和“取消”两个按钮。值为 true 显示默认操作按钮，值为 false 不显示任何内容，值类型为 Function 表示自定义底部内容。TS 类型：`boolean \| TNode`。[通用类型定义](https://github.com/Tencent/tdesign-vue-next/blob/develop/packages/components/common.ts) | N
diff --git a/packages/products/tdesign-vue-next/packages/components/dialog/props.ts b/packages/products/tdesign-vue-next/packages/components/dialog/props.ts
index 2764b0be7..54923a777 100644
--- a/packages/products/tdesign-vue-next/packages/components/dialog/props.ts
+++ b/packages/products/tdesign-vue-next/packages/components/dialog/props.ts
@@ -52,10 +52,9 @@ export default {
   },
   /** 是否在关闭弹框的时候销毁子元素 */
   destroyOnClose: Boolean,
-  /** 弹框元素类名，示例：'t-class-dialog-first t-class-dialog-second' */
+  /** 内容部分的类名，支持多种格式：字符串（例如 `'name1 name2 name3'`）、数组（例如 `['name1', 'name2']`）或对象数组（例如 `[{ 'name1': true }]`） */
   dialogClassName: {
-    type: String,
-    default: '',
+    type: [String, Object, Array] as PropType<TdDialogProps['dialogClassName']>,
   },
   /** 作用于对话框本身的样式 */
   dialogStyle: {
diff --git a/packages/products/tdesign-vue-next/packages/components/dialog/type.ts b/packages/products/tdesign-vue-next/packages/components/dialog/type.ts
index 853e3d54e..9fd39c4f6 100644
--- a/packages/products/tdesign-vue-next/packages/components/dialog/type.ts
+++ b/packages/products/tdesign-vue-next/packages/components/dialog/type.ts
@@ -5,7 +5,7 @@
  * */
 
 import { ButtonProps } from '../button';
-import { TNode, Styles, AttachNode, AppContext } from '../common';
+import { TNode, ClassName, Styles, AttachNode, AppContext } from '../common';
 
 export interface TdDialogProps {
   /**
@@ -55,10 +55,9 @@ export interface TdDialogProps {
    */
   destroyOnClose?: boolean;
   /**
-   * 弹框元素类名，示例：'t-class-dialog-first t-class-dialog-second'
-   * @default ''
+   * 内容部分的类名，支持多种格式：字符串（例如 `'name1 name2 name3'`）、数组（例如 `['name1', 'name2']`）或对象数组（例如 `[{ 'name1': true }]`）
    */
-  dialogClassName?: string;
+  dialogClassName?: ClassName;
   /**
    * 作用于对话框本身的样式
    */
diff --git a/packages/products/tdesign-vue/src/dialog/dialog.en-US.md b/packages/products/tdesign-vue/src/dialog/dialog.en-US.md
index e38bf5571..9bfa5f4bb 100644
--- a/packages/products/tdesign-vue/src/dialog/dialog.en-US.md
+++ b/packages/products/tdesign-vue/src/dialog/dialog.en-US.md
@@ -43,7 +43,7 @@ confirmLoading | Boolean | undefined | confirm button loading status | N
 confirmOnEnter | Boolean | - | confirm on enter | N
 default | String / Slot / Function | - | Typescript: `string \| TNode`。[see more ts definition](https://github.com/Tencent/tdesign-vue/blob/develop/src/common.ts) | N
 destroyOnClose | Boolean | false | \- | N
-dialogClassName | String | - | \- | N
+dialogClassName | String / Object / Array | - | The class name for the popover content section, supporting multiple formats: string (e.g., `'name1 name2 name3'`), array (e.g., `['name1', 'name2']`), or array of objects (e.g., `[{ 'name1': true }]`)。Typescript: `ClassName`。[see more ts definition](https://github.com/Tencent/tdesign-vue/blob/develop/src/common.ts) | N
 dialogStyle | Object | - | Styles that apply to the dialog box itself。Typescript: `Styles`。[see more ts definition](https://github.com/Tencent/tdesign-vue/blob/develop/src/common.ts) | N
 draggable | Boolean | false | not effective in `full-screen` mode | N
 footer | Boolean / Slot / Function | true | Typescript: `boolean \| TNode`。[see more ts definition](https://github.com/Tencent/tdesign-vue/blob/develop/src/common.ts) | N
diff --git a/packages/products/tdesign-vue/src/dialog/dialog.md b/packages/products/tdesign-vue/src/dialog/dialog.md
index 1484cdb57..2b48df589 100644
--- a/packages/products/tdesign-vue/src/dialog/dialog.md
+++ b/packages/products/tdesign-vue/src/dialog/dialog.md
@@ -43,7 +43,7 @@ confirmLoading | Boolean | undefined | 确认按钮加载状态 | N
 confirmOnEnter | Boolean | - | 是否在按下回车键时，触发确认事件 | N
 default | String / Slot / Function | - | 对话框内容，同 body。TS 类型：`string \| TNode`。[通用类型定义](https://github.com/Tencent/tdesign-vue/blob/develop/src/common.ts) | N
 destroyOnClose | Boolean | false | 是否在关闭弹框的时候销毁子元素 | N
-dialogClassName | String | - | 弹框元素类名，示例：'t-class-dialog-first t-class-dialog-second' | N
+dialogClassName | String / Object / Array | - | 内容部分的类名，支持多种格式：字符串（例如 `'name1 name2 name3'`）、数组（例如 `['name1', 'name2']`）或对象数组（例如 `[{ 'name1': true }]`）。TS 类型：`ClassName`。[通用类型定义](https://github.com/Tencent/tdesign-vue/blob/develop/src/common.ts) | N
 dialogStyle | Object | - | 作用于对话框本身的样式。TS 类型：`Styles`。[通用类型定义](https://github.com/Tencent/tdesign-vue/blob/develop/src/common.ts) | N
 draggable | Boolean | false | 是否可以拖拽（对全屏对话框无效） | N
 footer | Boolean / Slot / Function | true | 底部操作栏，默认会有“确认”和“取消”两个按钮。值为 true 显示默认操作按钮，值为 false 不显示任何内容，值类型为 Function 表示自定义底部内容。TS 类型：`boolean \| TNode`。[通用类型定义](https://github.com/Tencent/tdesign-vue/blob/develop/src/common.ts) | N
diff --git a/packages/products/tdesign-vue/src/dialog/props.ts b/packages/products/tdesign-vue/src/dialog/props.ts
index 849ef0412..1f1c36915 100644
--- a/packages/products/tdesign-vue/src/dialog/props.ts
+++ b/packages/products/tdesign-vue/src/dialog/props.ts
@@ -52,10 +52,9 @@ export default {
   },
   /** 是否在关闭弹框的时候销毁子元素 */
   destroyOnClose: Boolean,
-  /** 弹框元素类名，示例：'t-class-dialog-first t-class-dialog-second' */
+  /** 内容部分的类名，支持多种格式：字符串（例如 `'name1 name2 name3'`）、数组（例如 `['name1', 'name2']`）或对象数组（例如 `[{ 'name1': true }]`） */
   dialogClassName: {
-    type: String,
-    default: '',
+    type: [String, Object, Array] as PropType<TdDialogProps['dialogClassName']>,
   },
   /** 作用于对话框本身的样式 */
   dialogStyle: {
diff --git a/packages/products/tdesign-vue/src/dialog/type.ts b/packages/products/tdesign-vue/src/dialog/type.ts
index 853e3d54e..9fd39c4f6 100644
--- a/packages/products/tdesign-vue/src/dialog/type.ts
+++ b/packages/products/tdesign-vue/src/dialog/type.ts
@@ -5,7 +5,7 @@
  * */
 
 import { ButtonProps } from '../button';
-import { TNode, Styles, AttachNode, AppContext } from '../common';
+import { TNode, ClassName, Styles, AttachNode, AppContext } from '../common';
 
 export interface TdDialogProps {
   /**
@@ -55,10 +55,9 @@ export interface TdDialogProps {
    */
   destroyOnClose?: boolean;
   /**
-   * 弹框元素类名，示例：'t-class-dialog-first t-class-dialog-second'
-   * @default ''
+   * 内容部分的类名，支持多种格式：字符串（例如 `'name1 name2 name3'`）、数组（例如 `['name1', 'name2']`）或对象数组（例如 `[{ 'name1': true }]`）
    */
-  dialogClassName?: string;
+  dialogClassName?: ClassName;
   /**
    * 作用于对话框本身的样式
    */
diff --git a/packages/scripts/api.json b/packages/scripts/api.json
index 9438bb70c..75b86d1e4 100644
--- a/packages/scripts/api.json
+++ b/packages/scripts/api.json
@@ -45979,18 +45979,20 @@
       "field_category": 1,
       "field_name": "dialogClassName",
       "field_type": [
-        "1"
+        "1",
+        "8",
+        "16"
       ],
       "field_default_value": "",
       "field_enum": "",
-      "field_desc_zh": "弹框元素类名，示例：'t-class-dialog-first t-class-dialog-second'",
-      "field_desc_en": null,
+      "field_desc_zh": "内容部分的类名，支持多种格式：字符串（例如 `'name1 name2 name3'`）、数组（例如 `['name1', 'name2']`）或对象数组（例如 `[{ 'name1': true }]`）",
+      "field_desc_en": "The class name for the popover content section, supporting multiple formats: string (e.g., `'name1 name2 name3'`), array (e.g., `['name1', 'name2']`), or array of objects (e.g., `[{ 'name1': true }]`)",
       "field_required": 0,
       "event_input": "",
       "create_time": "2024-02-23 10:23:24",
       "update_time": "2024-02-23 10:23:24",
       "event_output": null,
-      "custom_field_type": null,
+      "custom_field_type": "ClassName",
       "syntactic_sugar": null,
       "readonly": 1,
       "html_attribute": 0,
@@ -46005,7 +46007,9 @@
         "React(PC)"
       ],
       "field_type_text": [
-        "String"
+        "String",
+        "Object",
+        "Array"
       ]
     },
     {