diff --git a/components/affix/index.tsx b/components/affix/index.tsx
index e6ee0e9726..74bd14318c 100644
--- a/components/affix/index.tsx
+++ b/components/affix/index.tsx
@@ -110,30 +110,30 @@ const Affix = defineComponent({
         status: AffixStatus.None,
       } as AffixState;
       const targetRect = getTargetRect(targetNode);
-      const placeholderReact = getTargetRect(placeholderNode.value as HTMLElement);
-      const fixedTop = getFixedTop(placeholderReact, targetRect, offsetTop.value);
-      const fixedBottom = getFixedBottom(placeholderReact, targetRect, offsetBottom.value);
+      const placeholderRect = getTargetRect(placeholderNode.value as HTMLElement);
+      const fixedTop = getFixedTop(placeholderRect, targetRect, offsetTop.value);
+      const fixedBottom = getFixedBottom(placeholderRect, targetRect, offsetBottom.value);
       if (fixedTop !== undefined) {
         newState.affixStyle = {
           position: 'fixed',
           top: fixedTop,
-          width: placeholderReact.width + 'px',
-          height: placeholderReact.height + 'px',
+          width: placeholderRect.width + 'px',
+          height: placeholderRect.height + 'px',
         };
         newState.placeholderStyle = {
-          width: placeholderReact.width + 'px',
-          height: placeholderReact.height + 'px',
+          width: placeholderRect.width + 'px',
+          height: placeholderRect.height + 'px',
         };
       } else if (fixedBottom !== undefined) {
         newState.affixStyle = {
           position: 'fixed',
           bottom: fixedBottom,
-          width: placeholderReact.width + 'px',
-          height: placeholderReact.height + 'px',
+          width: placeholderRect.width + 'px',
+          height: placeholderRect.height + 'px',
         };
         newState.placeholderStyle = {
-          width: placeholderReact.width + 'px',
-          height: placeholderReact.height + 'px',
+          width: placeholderRect.width + 'px',
+          height: placeholderRect.height + 'px',
         };
       }
 
@@ -169,9 +169,9 @@ const Affix = defineComponent({
         const targetNode = target();
         if (targetNode && placeholderNode.value) {
           const targetRect = getTargetRect(targetNode);
-          const placeholderReact = getTargetRect(placeholderNode.value as HTMLElement);
-          const fixedTop = getFixedTop(placeholderReact, targetRect, offsetTop.value);
-          const fixedBottom = getFixedBottom(placeholderReact, targetRect, offsetBottom.value);
+          const placeholderRect = getTargetRect(placeholderNode.value as HTMLElement);
+          const fixedTop = getFixedTop(placeholderRect, targetRect, offsetTop.value);
+          const fixedBottom = getFixedBottom(placeholderRect, targetRect, offsetBottom.value);
           if (
             (fixedTop !== undefined && affixStyle.top === fixedTop) ||
             (fixedBottom !== undefined && affixStyle.bottom === fixedBottom)
diff --git a/components/affix/utils.ts b/components/affix/utils.ts
index 4ce8c11bb9..977c7c284f 100644
--- a/components/affix/utils.ts
+++ b/components/affix/utils.ts
@@ -10,19 +10,19 @@ export function getTargetRect(target: BindElement): DOMRect {
     : ({ top: 0, bottom: window.innerHeight } as DOMRect);
 }
 
-export function getFixedTop(placeholderReact: DOMRect, targetRect: DOMRect, offsetTop: number) {
-  if (offsetTop !== undefined && targetRect.top > placeholderReact.top - offsetTop) {
+export function getFixedTop(placeholderRect: DOMRect, targetRect: DOMRect, offsetTop: number) {
+  if (offsetTop !== undefined && targetRect.top > placeholderRect.top - offsetTop) {
     return `${offsetTop + targetRect.top}px`;
   }
   return undefined;
 }
 
 export function getFixedBottom(
-  placeholderReact: DOMRect,
+  placeholderRect: DOMRect,
   targetRect: DOMRect,
   offsetBottom: number,
 ) {
-  if (offsetBottom !== undefined && targetRect.bottom < placeholderReact.bottom + offsetBottom) {
+  if (offsetBottom !== undefined && targetRect.bottom < placeholderRect.bottom + offsetBottom) {
     const targetBottomOffset = window.innerHeight - targetRect.bottom;
     return `${offsetBottom + targetBottomOffset}px`;
   }
diff --git a/components/upload/index.en-US.md b/components/upload/index.en-US.md
index 910480abd3..e1eaccaa6a 100644
--- a/components/upload/index.en-US.md
+++ b/components/upload/index.en-US.md
@@ -22,7 +22,7 @@ Uploading is the process of publishing information (web pages, text, pictures, v
 | accept | File types that can be accepted. See [input accept Attribute](https://developer.mozilla.org/en-US/docs/Web/HTML/Element/input/file#accept) | string | - |  |  |
 | action | Uploading URL | string\|(file) => `Promise` | - |  |  |
 | beforeUpload | Hook function which will be executed before uploading. Uploading will be stopped with `false` or a rejected Promise returned. | (file, fileList) => `boolean` \| `Promise` | - |  |
-| customRequest | override for the default xhr behavior allowing for additional customization and ability to implement your own XMLHttpRequest | Function | - |  |  |
+| customRequest | override for the default xhr behavior allowing for additional customization and ability to implement your own XMLHttpRequest | function | - |  |  |
 | data | Uploading params or function which can return uploading params. | object\|function(file) | - |  |  |
 | directory | support upload whole directory ([caniuse](https://caniuse.com/#feat=input-file-directory)) | boolean | false |  |  |
 | directory | Support upload whole directory（[caniuse](https://caniuse.com/#feat=input-file-directory)） | boolean | false | 3.0 |  |
@@ -32,7 +32,7 @@ Uploading is the process of publishing information (web pages, text, pictures, v
 | headers | Set request headers, valid above IE10. | object | - |  |  |
 | iconRender | Custom show icon | v-slot:iconRender="{file: UploadFile, listType?: UploadListType}" | - | 3.0 |  |
 | isImageUrl | Customize if render &lt;img /> in thumbnail | (file: UploadFile) => boolean | - | 3.0 |  |
-| itemRender | Custom item of uploadList | v-slot:itemRender="{originNode: ReactElement, file: UploadFile, fileList: object\[], actions: { download: function, preview: function, remove: function }" | - | 3.0 |  |
+| itemRender | Custom item of uploadList | v-slot:itemRender="{originNode: VNode, file: UploadFile, fileList: object\[], actions: { download: function, preview: function, remove: function }" | - | 3.0 |  |
 | listType | Built-in stylesheets, support for three types: `text`, `picture` or `picture-card` | string | `text` |  |  |
 | maxCount | Limit the number of uploaded files. Will replace current one when `maxCount` is `1` | number | - | 3.0 |  |
 | method | http method of upload request | string | `post` | 1.5.0 |  |
@@ -43,7 +43,7 @@ Uploading is the process of publishing information (web pages, text, pictures, v
 | previewIcon | custom preview icon | v-slot:iconRender="{file: UploadFile}" | - | 3.0 |  |
 | progress | Custom progress bar | [ProgressProps](/components/progress/#API) (support `type="line"` only) | { strokeWidth: 2, showInfo: false } | 3.0 |  |
 | removeIcon | custom remove icon | v-slot:iconRender="{file: UploadFile}" | - | 3.0 |  |
-| showUploadList | Whether to show default upload list, could be an object to specify `showPreviewIcon`, `showRemoveIcon` and `showDownloadIcon` individually | Boolean or { showPreviewIcon?: boolean, showRemoveIcon?: boolean, showDownloadIcon?: boolean } | true | showDownloadIcon(3.0) |  |
+| showUploadList | Whether to show default upload list, could be an object to specify `showPreviewIcon`, `showRemoveIcon` and `showDownloadIcon` individually | boolean \| { showPreviewIcon?: boolean, showRemoveIcon?: boolean, showDownloadIcon?: boolean } | true | showDownloadIcon(3.0) |  |
 | supportServerRender | Need to be turned on while the server side is rendering. | boolean | false |  |  |
 | withCredentials | ajax upload with cookie sent | boolean | false |  |  |
 
@@ -51,11 +51,11 @@ Uploading is the process of publishing information (web pages, text, pictures, v
 
 | Events Name | Description | Arguments | Version |  |
 | --- | --- | --- | --- | --- |
-| change | A callback function, can be executed when uploading state is changing. See [change](#change) | Function | - |  |
-| download | Click the method to download the file, pass the method to perform the method logic, do not pass the default jump to the new TAB. | Function(file): void | Jump to new TAB | 1.5.0 |
+| change | A callback function, can be executed when uploading state is changing. See [change](#change) | function | - |  |
+| download | Click the method to download the file, pass the method to perform the method logic, do not pass the default jump to the new TAB. | function(file): void | Jump to new TAB | 1.5.0 |
 | drop | A callback function executed when files are dragged and dropped into upload area | (event: DragEvent) => void | - | 3.0 |
-| preview | A callback function, will be executed when file link or preview icon is clicked. | Function(file) | - |  |
-| reject | A callback function, will be executed when drop files is not accept. | Function(fileList) | - |  |
+| preview | A callback function, will be executed when file link or preview icon is clicked. | function(file) | - |  |
+| reject | A callback function, will be executed when drop files is not accept. | function(fileList) | - |  |
 | remove   | A callback function, will be executed when removing file button is clicked, remove event will be prevented when return value is false or a Promise which resolve(false) or reject | function(file): boolean \| Promise | -   | 3.0 |
 
 ### UploadFile
diff --git a/components/upload/index.zh-CN.md b/components/upload/index.zh-CN.md
index 5fea7076fc..5ea07a5a63 100644
--- a/components/upload/index.zh-CN.md
+++ b/components/upload/index.zh-CN.md
@@ -23,7 +23,7 @@ cover: https://gw.alipayobjects.com/zos/alicdn/QaeBt_ZMg/Upload.svg
 | accept | 接受上传的文件类型, 详见 [input accept Attribute](https://developer.mozilla.org/en-US/docs/Web/HTML/Element/input/file#accept) | string | 无 |  |  |
 | action | 上传的地址 | string\|(file) => `Promise` | 无 |  |  |
 | beforeUpload | 上传文件之前的钩子，参数为上传的文件，若返回 `false` 则停止上传。支持返回一个 Promise 对象，Promise 对象 reject 时则停止上传，resolve 时开始上传（ resolve 传入 `File` 或 `Blob` 对象则上传 resolve 传入对象）。 | (file, fileList) => `boolean` \| `Promise` | 无 |  |
-| customRequest | 通过覆盖默认的上传行为，可以自定义自己的上传实现 | Function | 无 |  |  |
+| customRequest | 通过覆盖默认的上传行为，可以自定义自己的上传实现 | function | 无 |  |  |
 | data | 上传所需参数或返回上传参数的方法 | object\|(file) => object | 无 |  |  |
 | directory | 支持上传文件夹（[caniuse](https://caniuse.com/#feat=input-file-directory)） | boolean | false | 3.0 |  |
 | disabled | 是否禁用 | boolean | false |  |  |
@@ -32,7 +32,7 @@ cover: https://gw.alipayobjects.com/zos/alicdn/QaeBt_ZMg/Upload.svg
 | headers | 设置上传的请求头部，IE10 以上有效 | object | 无 |  |  |
 | iconRender | 自定义显示 icon | v-slot:iconRender="{file: UploadFile, listType?: UploadListType}" | - | 3.0 |  |
 | isImageUrl | 自定义缩略图是否使用 &lt;img /> 标签进行显示 | (file: UploadFile) => boolean | - | 3.0 |  |
-| itemRender | 自定义上传列表项 | v-slot:itemRender="{originNode: ReactElement, file: UploadFile, fileList: object\[], actions: { download: function, preview: function, remove: function }" | - | 3.0 |  |
+| itemRender | 自定义上传列表项 | v-slot:itemRender="{originNode: VNode, file: UploadFile, fileList: object\[], actions: { download: function, preview: function, remove: function }" | - | 3.0 |  |
 | listType | 上传列表的内建样式，支持三种基本样式 `text`, `picture` 和 `picture-card` | string | `text` |  |  |
 | maxCount | 限制上传数量。当为 1 时，始终用最新上传的文件代替当前文件 | number | - | 3.0 |  |
 | method | 上传请求的 http method | string | `post` | 1.5.0 |  |
@@ -43,7 +43,7 @@ cover: https://gw.alipayobjects.com/zos/alicdn/QaeBt_ZMg/Upload.svg
 | previewIcon | 自定义预览 icon | v-slot:iconRender="{file: UploadFile}" | - | 3.0 |  |
 | progress | 自定义进度条样式 | [ProgressProps](/components/progress/#API)（仅支持 `type="line"`） | { strokeWidth: 2, showInfo: false } | 3.0 |  |
 | removeIcon | 自定义删除 icon | v-slot:iconRender="{file: UploadFile}" | - | 3.0 |  |
-| showUploadList | 是否展示 uploadList, 可设为一个对象，用于单独设定 showPreviewIcon, showRemoveIcon 和 showDownloadIcon | Boolean or { showPreviewIcon?: boolean, showRemoveIcon?: boolean, showDownloadIcon?: boolean } | true | showDownloadIcon(3.0) |  |
+| showUploadList | 是否展示 uploadList, 可设为一个对象，用于单独设定 showPreviewIcon, showRemoveIcon 和 showDownloadIcon | boolean \| { showPreviewIcon?: boolean, showRemoveIcon?: boolean, showDownloadIcon?: boolean } | true | showDownloadIcon(3.0) |  |
 | supportServerRender | 服务端渲染时需要打开这个 | boolean | false |  |  |
 | withCredentials | 上传请求时是否携带 cookie | boolean | false |  |  |
 
@@ -51,11 +51,11 @@ cover: https://gw.alipayobjects.com/zos/alicdn/QaeBt_ZMg/Upload.svg
 
 | 事件名称 | 说明 | 回调参数 | 版本 |  |
 | --- | --- | --- | --- | --- |
-| change | 上传文件改变时的状态，详见 [change](#change) | Function | 无 |  |
-| download | 点击下载文件时的回调，如果没有指定，则默认跳转到文件 url 对应的标签页。 | Function(file): void | 跳转新标签页 | 1.5.0 |
+| change | 上传文件改变时的状态，详见 [change](#change) | function | 无 |  |
+| download | 点击下载文件时的回调，如果没有指定，则默认跳转到文件 url 对应的标签页。 | function(file): void | 跳转新标签页 | 1.5.0 |
 | drop | 当文件被拖入上传区域时执行的回调功能 | (event: DragEvent) => void | - | 3.0 |
-| preview | 点击文件链接或预览图标时的回调 | Function(file) | 无 |  |
-| reject | 拖拽文件不符合 accept 类型时的回调 | Function(fileList) | 无 |  |
+| preview | 点击文件链接或预览图标时的回调 | function(file) | 无 |  |
+| reject | 拖拽文件不符合 accept 类型时的回调 | function(fileList) | 无 |  |
 | remove   | 点击移除文件时的回调，返回值为 false 时不移除。支持返回一个 Promise 对象，Promise 对象 resolve(false) 或 reject 时不移除 | function(file): boolean \| Promise | -   | 3.0 |
 
 ### UploadFile