diff --git a/en-US/dita/RTC-NG/API/class_transcodingvideostream.dita b/en-US/dita/RTC-NG/API/class_transcodingvideostream.dita
index 6fc41e0dc11..80b3422c516 100644
--- a/en-US/dita/RTC-NG/API/class_transcodingvideostream.dita
+++ b/en-US/dita/RTC-NG/API/class_transcodingvideostream.dita
@@ -32,27 +32,27 @@
   }
 };</codeblock>
             <codeblock props="hmos" outputclass="language-arkts">export class TranscodingVideoStream {
-  
+
   public remoteUserUid:number;
-  
+
   public  sourceType:Constants.VideoSourceType;
-  
+
   public imageUrl:string;
-  
+
   public mediaPlayerId:number;
-  
+
   public x:number;
-  
+
   public y:number;
-  
+
   public width:number;
-  
+
   public height:number;
-  
+
   public zOrder:number;
-  
+
   public alpha:number;
-  
+
   public mirror:boolean;
   public constructor() {
     this.remoteUserUid = 0;
@@ -143,7 +143,7 @@ public:
 		mirror = AgoraData.mirror;
 	}
 	agora::rtc::TranscodingVideoStream CreateAgoraData() const{
-		
+
 		agora::rtc::TranscodingVideoStream AgoraData;
 		AgoraData.sourceType = static_cast&lt;agora::rtc::VIDEO_SOURCE_TYPE&gt;(sourceType);
 		AgoraData.remoteUserUid = remoteUserUid;