Signed-off-by:pengyanggit<yangpeng177@huawei.com>

Signed-off-by: Npengyanggit <yangpeng177@huawei.com>
Change-Id: Ic6b1493772fa63e3d68bc4e1fc341b6836abac9b

zh-cn/application-dev/reference/arkui-ts/ts-universal-events-drag-drop.md

@@ -101,7 +101,7 @@ struct Index {
         return;
     }
     setTimeout(()=>{
-      this.hasUdmfData(event, callback);
+      hasUdmfData(event, callback);
     }, 1500);
   }