diff --git a/README.md b/README.md
index 74906767..485cab6d 100644
--- a/README.md
+++ b/README.md
@@ -36,7 +36,7 @@ online example: https://upload.react-component.vercel.app/
 
 ## Feature
 
-* support IE11+, Chrome, Firefox, Safari
+- support IE11+, Chrome, Firefox, Safari
 
 ## install
 
@@ -54,29 +54,29 @@ React.render(<Upload />, container);
 
 ### props
 
-|name|type|default| description|
-|-----|---|--------|----|
-|name | string | file| file param post to server |
-|style | object | {}| root component inline style |
-|className | string | - | root component className |
-|disabled | boolean | false | whether disabled |
-|component | "div"|"span" | "span"| wrap component name |
-|action| string &#124; function(file): string &#124; Promise&lt;string&gt; | | form action url |
-|method | string | post | request method |
-|directory| boolean | false | support upload whole directory |
-|data| object/function(file) | | other data object to post or a function which returns a data object(a promise object which resolve a data object) |
-|headers| object | {} | http headers to post, available in modern browsers |
-|accept | string | | input accept attribute |
-|capture | string | | input capture attribute |
-|multiple | boolean | false | only support ie10+|
-|onStart | function| | start upload file |
-|onError| function| | error callback |
-|onSuccess | function | | success callback |
-|onProgress | function || progress callback, only for modern browsers|
-|beforeUpload| function |null| before upload check, return false or a rejected Promise will stop upload, only for modern browsers|
-|customRequest | function | null | provide an override for the default xhr behavior for additional customization|
-|withCredentials | boolean | false | ajax upload with cookie send |
-|openFileDialogOnClick | boolean | true | useful for drag only upload as it does not trigger on enter key or click event |
+| name | type | default | description |
+| --- | --- | --- | --- |
+| name | string | file | file param post to server |
+| style | object | {} | root component inline style |
+| className | string | - | root component className |
+| disabled | boolean | false | whether disabled |
+| component | "div" | "span" | "span" | wrap component name |
+| action | string &#124; function(file): string &#124; Promise&lt;string&gt; |  | form action url |
+| method | string | post | request method |
+| directory | boolean | false | support upload whole directory |
+| data | object/function(file) |  | other data object to post or a function which returns a data object(a promise object which resolve a data object) |
+| headers | object | {} | http headers to post, available in modern browsers |
+| accept | string |  | input accept attribute |
+| capture | string |  | input capture attribute |
+| multiple | boolean | false | only support ie10+ |
+| onStart | function |  | start upload file |
+| onError | function |  | error callback |
+| onSuccess | function |  | success callback |
+| onProgress | function |  | progress callback, only for modern browsers |
+| beforeUpload | function | null | before upload check, return false or a rejected Promise will stop upload, only for modern browsers |
+| customRequest | function | null | provide an override for the default xhr behavior for additional customization |
+| withCredentials | boolean | false | ajax upload with cookie send |
+| openFileDialogOnClick | boolean | true | useful for drag only upload as it does not trigger on enter key or click event |
 
 #### onError arguments
 
@@ -88,9 +88,7 @@ React.render(<Upload />, container);
 
 1. `result`: response body
 2. `file`: upload file
-3. `xhr`: xhr header, only for modern browsers which support AJAX upload. since
-   2.4.0
-
+3. `xhr`: xhr header, only for modern browsers which support AJAX upload. since 2.4.0
 
 ### customRequest
 
@@ -98,21 +96,22 @@ Allows for advanced customization by overriding default behavior in AjaxUploader
 
 customRequest callback is passed an object with:
 
-* `onProgress: (event: { percent: number }): void`
-* `onError: (event: Error, body?: Object): void`
-* `onSuccess: (body: Object): void`
-* `data: Object`
-* `filename: String`
-* `file: File`
-* `withCredentials: Boolean`
-* `action: String`
-* `headers: Object`
-
+- `onProgress: (event: { percent: number }): void`
+- `onError: (event: Error, body?: Object): void`
+- `onSuccess: (body: Object): void`
+- `data: Object`
+- `filename: String`
+- `file: File`
+- `withCredentials: Boolean`
+- `action: String`
+- `headers: Object`
 
 ### methods
 
 abort(file?: File) => void: abort the uploading file
 
+showOpenFilePicker() => void: open file picker
+
 ## License
 
 rc-upload is released under the MIT license.
diff --git a/src/AjaxUploader.tsx b/src/AjaxUploader.tsx
index caa7b7d1..ae028335 100644
--- a/src/AjaxUploader.tsx
+++ b/src/AjaxUploader.tsx
@@ -41,6 +41,10 @@ class AjaxUploader extends Component<UploadProps> {
     this.reset();
   };
 
+  showOpenFilePicker = () => {
+    this.fileInput?.click();
+  };
+
   onClick = (e: React.MouseEvent<HTMLDivElement> | React.KeyboardEvent<HTMLDivElement>) => {
     const el = this.fileInput;
     if (!el) {
diff --git a/src/Upload.tsx b/src/Upload.tsx
index 548aca17..9ac9b05a 100644
--- a/src/Upload.tsx
+++ b/src/Upload.tsx
@@ -29,6 +29,10 @@ class Upload extends Component<UploadProps> {
     this.uploader.abort(file);
   }
 
+  showOpenFilePicker() {
+    this.uploader.showOpenFilePicker();
+  }
+
   saveUploader = (node: AjaxUpload) => {
     this.uploader = node;
   };