diff --git a/db/TDesign.db b/db/TDesign.db
index 4ec57c4b..bc771f6a 100644
Binary files a/db/TDesign.db and b/db/TDesign.db differ
diff --git a/packages/products/tdesign-react/packages/components/image-viewer/image-viewer.en-US.md b/packages/products/tdesign-react/packages/components/image-viewer/image-viewer.en-US.md
index 6fb5617d..79bd8693 100644
--- a/packages/products/tdesign-react/packages/components/image-viewer/image-viewer.en-US.md
+++ b/packages/products/tdesign-react/packages/components/image-viewer/image-viewer.en-US.md
@@ -7,26 +7,26 @@
 name | type | default | description | required
 -- | -- | -- | -- | --
 className | String | - | className of component | N
-style | Object | - | CSS(Cascading Style Sheets)，Typescript：`React.CSSProperties` | N
-attach | String / Function | 'body' | Typescript：`AttachNode`。[see more ts definition](https://github.com/Tencent/tdesign-react/blob/develop/packages/components/common.ts) | N
-closeBtn | TNode | true | Typescript：`boolean \| TNode`。[see more ts definition](https://github.com/Tencent/tdesign-react/blob/develop/packages/components/common.ts) | N
+style | Object | - | CSS(Cascading Style Sheets)，Typescript: `React.CSSProperties` | N
+attach | String / Function | 'body' | Typescript: `AttachNode`。[see more ts definition](https://github.com/Tencent/tdesign-react/blob/develop/packages/components/common.ts) | N
+closeBtn | TNode | true | Typescript: `boolean \| TNode`。[see more ts definition](https://github.com/Tencent/tdesign-react/blob/develop/packages/components/common.ts) | N
 closeOnEscKeydown | Boolean | true | trigger image viewer close event on `ESC` keydown | N
 closeOnOverlay | Boolean | - | \- | N
 draggable | Boolean | undefined | \- | N
 imageReferrerpolicy | String | - | attribute of `<img>`, [MDN Definition](https://developer.mozilla.org/en-US/docs/Web/HTTP/Headers/Referrer-Policy)。options: no-referrer/no-referrer-when-downgrade/origin/origin-when-cross-origin/same-origin/strict-origin/strict-origin-when-cross-origin/unsafe-url | N
-imageScale | Object | - | Typescript：`Partial<ImageScale>` `interface ImageScale { max: number; min: number; step: number; defaultScale: number; }`。[see more ts definition](https://github.com/Tencent/tdesign-react/blob/develop/packages/components/image-viewer/type.ts) | N
-images | Array | [] | Typescript：`Array<string \| File \| ImageInfo>` `interface ImageInfo { mainImage: string \| File; thumbnail?: string \| File; download?: boolean; isSvg?: boolean }`。[see more ts definition](https://github.com/Tencent/tdesign-react/blob/develop/packages/components/image-viewer/type.ts) | N
+imageScale | Object | - | Typescript: `Partial<ImageScale>` `interface ImageScale { max: number; min: number; step: number; defaultScale: number; }`。[see more ts definition](https://github.com/Tencent/tdesign-react/blob/develop/packages/components/image-viewer/type.ts) | N
+images | Array | [] | Typescript: `Array<string \| File \| ImageInfo>` `interface ImageInfo { mainImage: string \| File; thumbnail?: string \| File; download?: boolean; isSvg?: boolean }`。[see more ts definition](https://github.com/Tencent/tdesign-react/blob/develop/packages/components/image-viewer/type.ts) | N
 index | Number | 0 | \- | N
 defaultIndex | Number | 0 | uncontrolled property | N
 mode | String | modal | options: modal/modeless | N
-navigationArrow | TNode | true | Typescript：`boolean \| TNode`。[see more ts definition](https://github.com/Tencent/tdesign-react/blob/develop/packages/components/common.ts) | N
+navigationArrow | TNode | true | Typescript: `boolean \| TNode`。[see more ts definition](https://github.com/Tencent/tdesign-react/blob/develop/packages/components/common.ts) | N
 showOverlay | Boolean | undefined | \- | N
-title | TNode | - | preview title。Typescript：`string \| TNode`。[see more ts definition](https://github.com/Tencent/tdesign-react/blob/develop/packages/components/common.ts) | N
-trigger | TNode | - | trigger element。Typescript：`TNode \| TNode<{ open: (index?: number) => void }>`。[see more ts definition](https://github.com/Tencent/tdesign-react/blob/develop/packages/components/common.ts) | N
-viewerScale | Object | - | Typescript：`ImageViewerScale` `interface ImageViewerScale { minWidth: number; minHeight: number }`。[see more ts definition](https://github.com/Tencent/tdesign-react/blob/develop/packages/components/image-viewer/type.ts) | N
+title | TNode | - | preview title。Typescript: `string \| TNode`。[see more ts definition](https://github.com/Tencent/tdesign-react/blob/develop/packages/components/common.ts) | N
+trigger | TNode | - | trigger element。Typescript: `TNode \| TNode<{ open: (index?: number) => void }>`。[see more ts definition](https://github.com/Tencent/tdesign-react/blob/develop/packages/components/common.ts) | N
+viewerScale | Object | - | Typescript: `ImageViewerScale` `interface ImageViewerScale { minWidth: number; minHeight: number }`。[see more ts definition](https://github.com/Tencent/tdesign-react/blob/develop/packages/components/image-viewer/type.ts) | N
 visible | Boolean | false | hide or show image viewer | N
 defaultVisible | Boolean | false | hide or show image viewer。uncontrolled property | N
 zIndex | Number | - | \- | N
-onClose | Function |  | Typescript：`(context: { trigger: 'close-btn' \| 'overlay' \| 'esc'; e: MouseEvent \| KeyboardEvent }) => void`<br/> | N
-onDownload | Function |  | Typescript：`(url: string \| File) => void`<br/> | N
-onIndexChange | Function |  | Typescript：`(index: number, context: { trigger: 'prev' \| 'next' \| 'current' }) => void`<br/> | N
+onClose | Function |  | Typescript: `(context: { trigger: 'close-btn' \| 'overlay' \| 'esc'; e: MouseEvent \| KeyboardEvent }) => void`<br/> | N
+onDownload | Function |  | Typescript: `(url: string \| File) => void`<br/> | N
+onIndexChange | Function |  | Typescript: `(index: number, context: { trigger: 'prev' \| 'next' \| 'current' }) => void`<br/> | N
diff --git a/packages/products/tdesign-react/packages/components/image-viewer/image-viewer.md b/packages/products/tdesign-react/packages/components/image-viewer/image-viewer.md
index ea5c7930..8b3c0a6e 100644
--- a/packages/products/tdesign-react/packages/components/image-viewer/image-viewer.md
+++ b/packages/products/tdesign-react/packages/components/image-viewer/image-viewer.md
@@ -22,7 +22,7 @@ mode | String | modal | 模态预览（modal）和非模态预览（modeless)。
 navigationArrow | TNode | true | 切换预览图片的左图标，可自定义。TS 类型：`boolean \| TNode`。[通用类型定义](https://github.com/Tencent/tdesign-react/blob/develop/packages/components/common.ts) | N
 showOverlay | Boolean | undefined | 是否显示遮罩层。`mode=modal` 时，默认显示；`mode=modeless` 时，默认不显示 | N
 title | TNode | - | 预览标题。TS 类型：`string \| TNode`。[通用类型定义](https://github.com/Tencent/tdesign-react/blob/develop/packages/components/common.ts) | N
-trigger | TNode | - | 触发图片预览的元素，可能是一个预览按钮，可能是一张缩略图，完全自定义。TS 类型：`TNode \| TNode<{ open: (index?: number) => void }>`。[通用类型定义](https://github.com/Tencent/tdesign-react/blob/develop/packages/components/common.ts) | N
+trigger | TNode | - | 触发图片预览的元素，可能是一个预览按钮，可能是一张缩略图，完全自定义，默认为预览图片的缩略图。TS 类型：`TNode \| TNode<{ open: (index?: number) => void }>`。[通用类型定义](https://github.com/Tencent/tdesign-react/blob/develop/packages/components/common.ts) | N
 viewerScale | Object | - | 限制预览器缩放的最小宽度和最小高度，仅 `mode=modeless` 时有效。TS 类型：`ImageViewerScale` `interface ImageViewerScale { minWidth: number; minHeight: number }`。[详细类型定义](https://github.com/Tencent/tdesign-react/blob/develop/packages/components/image-viewer/type.ts) | N
 visible | Boolean | false | 隐藏/显示预览 | N
 defaultVisible | Boolean | false | 隐藏/显示预览。非受控属性 | N
diff --git a/packages/products/tdesign-react/packages/components/image-viewer/type.ts b/packages/products/tdesign-react/packages/components/image-viewer/type.ts
index 85b25a90..1f6a09e1 100644
--- a/packages/products/tdesign-react/packages/components/image-viewer/type.ts
+++ b/packages/products/tdesign-react/packages/components/image-viewer/type.ts
@@ -81,7 +81,7 @@ export interface TdImageViewerProps {
    */
   title?: TNode;
   /**
-   * 触发图片预览的元素，可能是一个预览按钮，可能是一张缩略图，完全自定义
+   * 触发图片预览的元素，可能是一个预览按钮，可能是一张缩略图，完全自定义，默认为预览图片的缩略图
    */
   trigger?: TNode | TNode<{ open: (index?: number) => void }>;
   /**
diff --git a/packages/products/tdesign-vue-next/packages/components/common.ts b/packages/products/tdesign-vue-next/packages/components/common.ts
index 2a381a71..b593c98f 100644
--- a/packages/products/tdesign-vue-next/packages/components/common.ts
+++ b/packages/products/tdesign-vue-next/packages/components/common.ts
@@ -41,9 +41,6 @@ export interface UploadDisplayDragEvents {
 
 export type ImageEvent = Event;
 
-/**
- * 通用全局类型
- * */
 export type PlainObject = { [key: string]: any };
 
 export type OptionData = {
@@ -63,6 +60,9 @@ export type TreeOptionData<T = string | number> = {
   content?: string | TNode;
 } & PlainObject;
 
+/**
+ * 通用全局类型
+ * */
 export type SizeEnum = 'small' | 'medium' | 'large';
 
 export type ShapeEnum = 'circle' | 'round';
diff --git a/packages/products/tdesign-vue-next/packages/components/image-viewer/image-viewer.en-US.md b/packages/products/tdesign-vue-next/packages/components/image-viewer/image-viewer.en-US.md
index 68c752e6..7d6fc401 100644
--- a/packages/products/tdesign-vue-next/packages/components/image-viewer/image-viewer.en-US.md
+++ b/packages/products/tdesign-vue-next/packages/components/image-viewer/image-viewer.en-US.md
@@ -6,28 +6,28 @@
 
 name | type | default | description | required
 -- | -- | -- | -- | --
-attach | String / Function | 'body' | Typescript：`AttachNode`。[see more ts definition](https://github.com/Tencent/tdesign-vue-next/blob/develop/packages/components/common.ts) | N
-closeBtn | 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
+attach | String / Function | 'body' | Typescript: `AttachNode`。[see more ts definition](https://github.com/Tencent/tdesign-vue-next/blob/develop/packages/components/common.ts) | N
+closeBtn | 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
 closeOnEscKeydown | Boolean | true | trigger image viewer close event on `ESC` keydown | N
 closeOnOverlay | Boolean | - | \- | N
 draggable | Boolean | undefined | \- | N
 imageReferrerpolicy | String | - | attribute of `<img>`, [MDN Definition](https://developer.mozilla.org/en-US/docs/Web/HTTP/Headers/Referrer-Policy)。options: no-referrer/no-referrer-when-downgrade/origin/origin-when-cross-origin/same-origin/strict-origin/strict-origin-when-cross-origin/unsafe-url | N
-imageScale | Object | - | Typescript：`Partial<ImageScale>` `interface ImageScale { max: number; min: number; step: number; defaultScale: number; }`。[see more ts definition](https://github.com/Tencent/tdesign-vue-next/blob/develop/packages/components/image-viewer/type.ts) | N
-images | Array | [] | Typescript：`Array<string \| File \| ImageInfo>` `interface ImageInfo { mainImage: string \| File; thumbnail?: string \| File; download?: boolean; isSvg?: boolean }`。[see more ts definition](https://github.com/Tencent/tdesign-vue-next/blob/develop/packages/components/image-viewer/type.ts) | N
+imageScale | Object | - | Typescript: `Partial<ImageScale>` `interface ImageScale { max: number; min: number; step: number; defaultScale: number; }`。[see more ts definition](https://github.com/Tencent/tdesign-vue-next/blob/develop/packages/components/image-viewer/type.ts) | N
+images | Array | [] | Typescript: `Array<string \| File \| ImageInfo>` `interface ImageInfo { mainImage: string \| File; thumbnail?: string \| File; download?: boolean; isSvg?: boolean }`。[see more ts definition](https://github.com/Tencent/tdesign-vue-next/blob/develop/packages/components/image-viewer/type.ts) | N
 index | Number | 0 | `v-model:index` is supported | N
 defaultIndex | Number | 0 | uncontrolled property | N
 mode | String | modal | options: modal/modeless | N
-navigationArrow | 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
+navigationArrow | 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
 showOverlay | Boolean | undefined | \- | N
-title | String / Slot / Function | - | preview title。Typescript：`string \| TNode`。[see more ts definition](https://github.com/Tencent/tdesign-vue-next/blob/develop/packages/components/common.ts) | N
-trigger | String / Slot / Function | - | trigger element。Typescript：`TNode \| TNode<{ open: (index?: number) => void }>`。[see more ts definition](https://github.com/Tencent/tdesign-vue-next/blob/develop/packages/components/common.ts) | N
-viewerScale | Object | - | Typescript：`ImageViewerScale` `interface ImageViewerScale { minWidth: number; minHeight: number }`。[see more ts definition](https://github.com/Tencent/tdesign-vue-next/blob/develop/packages/components/image-viewer/type.ts) | N
+title | String / Slot / Function | - | preview title。Typescript: `string \| TNode`。[see more ts definition](https://github.com/Tencent/tdesign-vue-next/blob/develop/packages/components/common.ts) | N
+trigger | String / Slot / Function | - | trigger element。Typescript: `TNode \| TNode<{ open: (index?: number) => void }>`。[see more ts definition](https://github.com/Tencent/tdesign-vue-next/blob/develop/packages/components/common.ts) | N
+viewerScale | Object | - | Typescript: `ImageViewerScale` `interface ImageViewerScale { minWidth: number; minHeight: number }`。[see more ts definition](https://github.com/Tencent/tdesign-vue-next/blob/develop/packages/components/image-viewer/type.ts) | N
 visible | Boolean | false | hide or show image viewer。`v-model` and `v-model:visible` is supported | N
 defaultVisible | Boolean | false | hide or show image viewer。uncontrolled property | N
 zIndex | Number | - | \- | N
-onClose | Function |  | Typescript：`(context: { trigger: 'close-btn' \| 'overlay' \| 'esc'; e: MouseEvent \| KeyboardEvent }) => void`<br/> | N
-onDownload | Function |  | Typescript：`(url: string \| File) => void`<br/> | N
-onIndexChange | Function |  | Typescript：`(index: number, context: { trigger: 'prev' \| 'next' \| 'current' }) => void`<br/> | N
+onClose | Function |  | Typescript: `(context: { trigger: 'close-btn' \| 'overlay' \| 'esc'; e: MouseEvent \| KeyboardEvent }) => void`<br/> | N
+onDownload | Function |  | Typescript: `(url: string \| File) => void`<br/> | N
+onIndexChange | Function |  | Typescript: `(index: number, context: { trigger: 'prev' \| 'next' \| 'current' }) => void`<br/> | N
 
 ### ImageViewer Events
 
diff --git a/packages/products/tdesign-vue-next/packages/components/image-viewer/image-viewer.md b/packages/products/tdesign-vue-next/packages/components/image-viewer/image-viewer.md
index d40ddfb6..7d6d8d87 100644
--- a/packages/products/tdesign-vue-next/packages/components/image-viewer/image-viewer.md
+++ b/packages/products/tdesign-vue-next/packages/components/image-viewer/image-viewer.md
@@ -20,7 +20,7 @@ mode | String | modal | 模态预览（modal）和非模态预览（modeless)。
 navigationArrow | Boolean / Slot / Function | true | 切换预览图片的左图标，可自定义。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
 showOverlay | Boolean | undefined | 是否显示遮罩层。`mode=modal` 时，默认显示；`mode=modeless` 时，默认不显示 | N
 title | String / Slot / Function | - | 预览标题。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
-trigger | String / Slot / Function | - | 触发图片预览的元素，可能是一个预览按钮，可能是一张缩略图，完全自定义。TS 类型：`TNode \| TNode<{ open: (index?: number) => void }>`。[通用类型定义](https://github.com/Tencent/tdesign-vue-next/blob/develop/packages/components/common.ts) | N
+trigger | String / Slot / Function | - | 触发图片预览的元素，可能是一个预览按钮，可能是一张缩略图，完全自定义，默认为预览图片的缩略图。TS 类型：`TNode \| TNode<{ open: (index?: number) => void }>`。[通用类型定义](https://github.com/Tencent/tdesign-vue-next/blob/develop/packages/components/common.ts) | N
 viewerScale | Object | - | 限制预览器缩放的最小宽度和最小高度，仅 `mode=modeless` 时有效。TS 类型：`ImageViewerScale` `interface ImageViewerScale { minWidth: number; minHeight: number }`。[详细类型定义](https://github.com/Tencent/tdesign-vue-next/blob/develop/packages/components/image-viewer/type.ts) | N
 visible | Boolean | false | 隐藏/显示预览。支持语法糖 `v-model` 或 `v-model:visible` | N
 defaultVisible | Boolean | false | 隐藏/显示预览。非受控属性 | N
diff --git a/packages/products/tdesign-vue-next/packages/components/image-viewer/props.ts b/packages/products/tdesign-vue-next/packages/components/image-viewer/props.ts
index e5f23892..a502d283 100644
--- a/packages/products/tdesign-vue-next/packages/components/image-viewer/props.ts
+++ b/packages/products/tdesign-vue-next/packages/components/image-viewer/props.ts
@@ -80,7 +80,7 @@ export default {
   title: {
     type: [String, Function] as PropType<TdImageViewerProps['title']>,
   },
-  /** 触发图片预览的元素，可能是一个预览按钮，可能是一张缩略图，完全自定义 */
+  /** 触发图片预览的元素，可能是一个预览按钮，可能是一张缩略图，完全自定义，默认为预览图片的缩略图 */
   trigger: {
     type: [String, Function] as PropType<TdImageViewerProps['trigger']>,
   },
diff --git a/packages/products/tdesign-vue-next/packages/components/image-viewer/type.ts b/packages/products/tdesign-vue-next/packages/components/image-viewer/type.ts
index 0482b61b..59b44e30 100644
--- a/packages/products/tdesign-vue-next/packages/components/image-viewer/type.ts
+++ b/packages/products/tdesign-vue-next/packages/components/image-viewer/type.ts
@@ -80,7 +80,7 @@ export interface TdImageViewerProps {
    */
   title?: string | TNode;
   /**
-   * 触发图片预览的元素，可能是一个预览按钮，可能是一张缩略图，完全自定义
+   * 触发图片预览的元素，可能是一个预览按钮，可能是一张缩略图，完全自定义，默认为预览图片的缩略图
    */
   trigger?: TNode | TNode<{ open: (index?: number) => void }>;
   /**
diff --git a/packages/products/tdesign-vue/src/image-viewer/image-viewer.en-US.md b/packages/products/tdesign-vue/src/image-viewer/image-viewer.en-US.md
index f32d03e9..7548419f 100644
--- a/packages/products/tdesign-vue/src/image-viewer/image-viewer.en-US.md
+++ b/packages/products/tdesign-vue/src/image-viewer/image-viewer.en-US.md
@@ -6,28 +6,28 @@
 
 name | type | default | description | required
 -- | -- | -- | -- | --
-attach | String / Function | 'body' | Typescript：`AttachNode`。[see more ts definition](https://github.com/Tencent/tdesign-vue/blob/develop/src/common.ts) | N
-closeBtn | Boolean / Slot / Function | true | Typescript：`boolean \| TNode`。[see more ts definition](https://github.com/Tencent/tdesign-vue/blob/develop/src/common.ts) | N
+attach | String / Function | 'body' | Typescript: `AttachNode`。[see more ts definition](https://github.com/Tencent/tdesign-vue/blob/develop/src/common.ts) | N
+closeBtn | Boolean / Slot / Function | true | Typescript: `boolean \| TNode`。[see more ts definition](https://github.com/Tencent/tdesign-vue/blob/develop/src/common.ts) | N
 closeOnEscKeydown | Boolean | true | trigger image viewer close event on `ESC` keydown | N
 closeOnOverlay | Boolean | - | \- | N
 draggable | Boolean | undefined | \- | N
 imageReferrerpolicy | String | - | attribute of `<img>`, [MDN Definition](https://developer.mozilla.org/en-US/docs/Web/HTTP/Headers/Referrer-Policy)。options: no-referrer/no-referrer-when-downgrade/origin/origin-when-cross-origin/same-origin/strict-origin/strict-origin-when-cross-origin/unsafe-url | N
-imageScale | Object | - | Typescript：`Partial<ImageScale>` `interface ImageScale { max: number; min: number; step: number; defaultScale: number; }`。[see more ts definition](https://github.com/Tencent/tdesign-vue/tree/develop/src/image-viewer/type.ts) | N
-images | Array | [] | Typescript：`Array<string \| File \| ImageInfo>` `interface ImageInfo { mainImage: string \| File; thumbnail?: string \| File; download?: boolean; isSvg?: boolean }`。[see more ts definition](https://github.com/Tencent/tdesign-vue/tree/develop/src/image-viewer/type.ts) | N
+imageScale | Object | - | Typescript: `Partial<ImageScale>` `interface ImageScale { max: number; min: number; step: number; defaultScale: number; }`。[see more ts definition](https://github.com/Tencent/tdesign-vue/tree/develop/src/image-viewer/type.ts) | N
+images | Array | [] | Typescript: `Array<string \| File \| ImageInfo>` `interface ImageInfo { mainImage: string \| File; thumbnail?: string \| File; download?: boolean; isSvg?: boolean }`。[see more ts definition](https://github.com/Tencent/tdesign-vue/tree/develop/src/image-viewer/type.ts) | N
 index | Number | 0 | `.sync` is supported | N
 defaultIndex | Number | 0 | uncontrolled property | N
 mode | String | modal | options: modal/modeless | N
-navigationArrow | Boolean / Slot / Function | true | Typescript：`boolean \| TNode`。[see more ts definition](https://github.com/Tencent/tdesign-vue/blob/develop/src/common.ts) | N
+navigationArrow | Boolean / Slot / Function | true | Typescript: `boolean \| TNode`。[see more ts definition](https://github.com/Tencent/tdesign-vue/blob/develop/src/common.ts) | N
 showOverlay | Boolean | undefined | \- | N
-title | String / Slot / Function | - | preview title。Typescript：`string \| TNode`。[see more ts definition](https://github.com/Tencent/tdesign-vue/blob/develop/src/common.ts) | N
-trigger | String / Slot / Function | - | trigger element。Typescript：`TNode \| TNode<{ open: (index?: number) => void }>`。[see more ts definition](https://github.com/Tencent/tdesign-vue/blob/develop/src/common.ts) | N
-viewerScale | Object | - | Typescript：`ImageViewerScale` `interface ImageViewerScale { minWidth: number; minHeight: number }`。[see more ts definition](https://github.com/Tencent/tdesign-vue/tree/develop/src/image-viewer/type.ts) | N
+title | String / Slot / Function | - | preview title。Typescript: `string \| TNode`。[see more ts definition](https://github.com/Tencent/tdesign-vue/blob/develop/src/common.ts) | N
+trigger | String / Slot / Function | - | trigger element。Typescript: `TNode \| TNode<{ open: (index?: number) => void }>`。[see more ts definition](https://github.com/Tencent/tdesign-vue/blob/develop/src/common.ts) | N
+viewerScale | Object | - | Typescript: `ImageViewerScale` `interface ImageViewerScale { minWidth: number; minHeight: number }`。[see more ts definition](https://github.com/Tencent/tdesign-vue/tree/develop/src/image-viewer/type.ts) | N
 visible | Boolean | false | hide or show image viewer。`v-model` is supported | N
 defaultVisible | Boolean | false | hide or show image viewer。uncontrolled property | N
 zIndex | Number | - | \- | N
-onClose | Function |  | Typescript：`(context: { trigger: 'close-btn' \| 'overlay' \| 'esc'; e: MouseEvent \| KeyboardEvent }) => void`<br/> | N
-onDownload | Function |  | Typescript：`(url: string \| File) => void`<br/> | N
-onIndexChange | Function |  | Typescript：`(index: number, context: { trigger: 'prev' \| 'next' \| 'current' }) => void`<br/> | N
+onClose | Function |  | Typescript: `(context: { trigger: 'close-btn' \| 'overlay' \| 'esc'; e: MouseEvent \| KeyboardEvent }) => void`<br/> | N
+onDownload | Function |  | Typescript: `(url: string \| File) => void`<br/> | N
+onIndexChange | Function |  | Typescript: `(index: number, context: { trigger: 'prev' \| 'next' \| 'current' }) => void`<br/> | N
 
 ### ImageViewer Events
 
diff --git a/packages/products/tdesign-vue/src/image-viewer/image-viewer.md b/packages/products/tdesign-vue/src/image-viewer/image-viewer.md
index e36dc3d3..0a82a9e6 100644
--- a/packages/products/tdesign-vue/src/image-viewer/image-viewer.md
+++ b/packages/products/tdesign-vue/src/image-viewer/image-viewer.md
@@ -20,7 +20,7 @@ mode | String | modal | 模态预览（modal）和非模态预览（modeless)。
 navigationArrow | Boolean / Slot / Function | true | 切换预览图片的左图标，可自定义。TS 类型：`boolean \| TNode`。[通用类型定义](https://github.com/Tencent/tdesign-vue/blob/develop/src/common.ts) | N
 showOverlay | Boolean | undefined | 是否显示遮罩层。`mode=modal` 时，默认显示；`mode=modeless` 时，默认不显示 | N
 title | String / Slot / Function | - | 预览标题。TS 类型：`string \| TNode`。[通用类型定义](https://github.com/Tencent/tdesign-vue/blob/develop/src/common.ts) | N
-trigger | String / Slot / Function | - | 触发图片预览的元素，可能是一个预览按钮，可能是一张缩略图，完全自定义。TS 类型：`TNode \| TNode<{ open: (index?: number) => void }>`。[通用类型定义](https://github.com/Tencent/tdesign-vue/blob/develop/src/common.ts) | N
+trigger | String / Slot / Function | - | 触发图片预览的元素，可能是一个预览按钮，可能是一张缩略图，完全自定义，默认为预览图片的缩略图。TS 类型：`TNode \| TNode<{ open: (index?: number) => void }>`。[通用类型定义](https://github.com/Tencent/tdesign-vue/blob/develop/src/common.ts) | N
 viewerScale | Object | - | 限制预览器缩放的最小宽度和最小高度，仅 `mode=modeless` 时有效。TS 类型：`ImageViewerScale` `interface ImageViewerScale { minWidth: number; minHeight: number }`。[详细类型定义](https://github.com/Tencent/tdesign-vue/tree/develop/src/image-viewer/type.ts) | N
 visible | Boolean | false | 隐藏/显示预览。支持语法糖 `v-model` | N
 defaultVisible | Boolean | false | 隐藏/显示预览。非受控属性 | N
diff --git a/packages/products/tdesign-vue/src/image-viewer/props.ts b/packages/products/tdesign-vue/src/image-viewer/props.ts
index cd2ce57f..d2e5421f 100644
--- a/packages/products/tdesign-vue/src/image-viewer/props.ts
+++ b/packages/products/tdesign-vue/src/image-viewer/props.ts
@@ -80,7 +80,7 @@ export default {
   title: {
     type: [String, Function] as PropType<TdImageViewerProps['title']>,
   },
-  /** 触发图片预览的元素，可能是一个预览按钮，可能是一张缩略图，完全自定义 */
+  /** 触发图片预览的元素，可能是一个预览按钮，可能是一张缩略图，完全自定义，默认为预览图片的缩略图 */
   trigger: {
     type: [String, Function] as PropType<TdImageViewerProps['trigger']>,
   },
diff --git a/packages/products/tdesign-vue/src/image-viewer/type.ts b/packages/products/tdesign-vue/src/image-viewer/type.ts
index ca02d549..b5c64ddb 100644
--- a/packages/products/tdesign-vue/src/image-viewer/type.ts
+++ b/packages/products/tdesign-vue/src/image-viewer/type.ts
@@ -80,7 +80,7 @@ export interface TdImageViewerProps {
    */
   title?: string | TNode;
   /**
-   * 触发图片预览的元素，可能是一个预览按钮，可能是一张缩略图，完全自定义
+   * 触发图片预览的元素，可能是一个预览按钮，可能是一张缩略图，完全自定义，默认为预览图片的缩略图
    */
   trigger?: TNode | TNode<{ open: (index?: number) => void }>;
   /**
diff --git a/packages/scripts/api.json b/packages/scripts/api.json
index b8ad803f..c3816aa4 100644
--- a/packages/scripts/api.json
+++ b/packages/scripts/api.json
@@ -67070,7 +67070,7 @@
       ],
       "field_default_value": "",
       "field_enum": "",
-      "field_desc_zh": "触发图片预览的元素，可能是一个预览按钮，可能是一张缩略图，完全自定义",
+      "field_desc_zh": "触发图片预览的元素，可能是一个预览按钮，可能是一张缩略图，完全自定义，默认为预览图片的缩略图",
       "field_desc_en": "trigger element",
       "field_required": 0,
       "event_input": "",