corrected link

Signed-off-by: Nwusongqing <wusongqing@huawei.com>

en/application-dev/media/Readme-EN.md

@@ -3,11 +3,12 @@
 -   Audio
 
     -   [Audio Overview](audio-overview.md)
--   [Audio Playback Development](audio-playback.md) 
+    -   [Audio Playback Development](audio-playback.md) 
+    
     -   [Audio Recording Development](audio-recorder.md) 
--   [Audio Rendering Development](audio-renderer.md)
-    -   [Audio Capture Development](audio-capturer)  
+    -   [Audio Rendering Development](audio-renderer.md)
     
+    -   [Audio Capture Development](audio-capturer)  
 -   Video
 
     - [Video Playback Development](video-playback.md)
@@ -17,3 +18,4 @@
 - Image
 
   - [Image Development](image.md)
+

en/application-dev/media/video-playback.md

@@ -43,7 +43,7 @@ The full video playback process includes creating an instance, setting the URL,
 
 For details about the **url** media source input types supported by **VideoPlayer**, see the [url attribute](../reference/apis/js-apis-media.md#videoplayer_attributes).
 
-For details about how to create an XComponent, see [XComponent Creation](#XComponent).
+For details about how to create an XComponent, see [XComponent Creation](#xcomponent-creation).
 
 *Note: **SetSurface** must be called after the URL is set but before **Prepare** is called.