diff --git a/src/page/Meeting/index.tsx b/src/page/Meeting/index.tsx
index 598a1c8..260d763 100644
--- a/src/page/Meeting/index.tsx
+++ b/src/page/Meeting/index.tsx
@@ -260,6 +260,19 @@ const Meeting: React.FC = () => {
     });
   }, [currentVideoId, roomUserList]);
 
+  useEffect(() => {
+    let item = roomUserList.find((item: any) => currentVideoId == item.uid)
+    if (item) {
+      if (isShare) {
+        if (Number(item.screenShareId) === Number(isShare)) {
+          agora.muteRemoteAudioStream(Number(isShare), false)
+        } else {
+          agora.muteRemoteAudioStream(Number(isShare), true)
+        }
+      }
+    }
+  }, [currentVideoId, isShare]);
+
   useEffect(() => {
     onSignalr(async (item: any) => {
       const setting = JSON.parse(storage.getItem('setting') as string)
@@ -1082,7 +1095,8 @@ const Meeting: React.FC = () => {
   // 获取桌面可共享屏幕的引用
   const getDesktopCapturerVideo = (): void => {
     agora.getDesktopCapturerVideo({ width: 300, height: 300 }, { width: 300, height: 300 }, true).then((res: any) => {
-      res.forEach((item: any) => {
+      res.forEach((item: any, index: number) => {
+        item.sourceTitle = '桌面' + (index + 1)
         if (item.thumbImage.buffer) {
           item.thumbnailUrl = thumbImageBufferToBase64(item.thumbImage)
         }
diff --git a/src/utils/package/agora.ts b/src/utils/package/agora.ts
index 1625f51..e2748df 100644
--- a/src/utils/package/agora.ts
+++ b/src/utils/package/agora.ts
@@ -291,8 +291,13 @@ export const agora = {
     await agora.stopCameraCapture();
     await rtcEngine.leaveChannelEx({ channelId: option.channelId + 'a', localUid: Number('1' + option.screenShareId) })
   },
+  // 取消或恢复订阅指定远端用户的音频流
+  muteRemoteAudioStream: async (uid: number, mute: boolean) => {
+    rtcEngine.muteRemoteAudioStream(uid, mute)
+  },
+  // 销毁视频渲染dom
   destroyRendererByConfig: async (uid: number) => {
-    rtcEngine.destroyRendererByConfig(VideoSourceType.VideoSourceRemote, option.channelId + 'a', uid);
+    await rtcEngine.destroyRendererByConfig(VideoSourceType.VideoSourceRemote, option.channelId + 'a', uid);
   },
   // ai降噪
   setAINSMode: async (enabled: boolean, mode: AudioAinsMode) => {