diff --git a/src/page/Meeting/index.tsx b/src/page/Meeting/index.tsx
index 5426f5a..9a91680 100644
--- a/src/page/Meeting/index.tsx
+++ b/src/page/Meeting/index.tsx
@@ -119,6 +119,7 @@ const Meeting: React.FC = () => {
   const [currentLookUserAccount, setCurrentLookUserAccount] = useState<any>('')
   const [recorder, setRecorder] = useState<any>('')
   const [mediaStream, setMediaStream] = useState<any>('')
+  const [isShare, setIsShare] = useState<any>(false)
   const [currentLookUserStatus, setCurrentLookUserStatus] = useState<1 | 2 | 3 | 4>(1)
   let userInfo = JSON.parse(storage.getItem('user') as string)
   useEffect(() => {
@@ -158,7 +159,9 @@ const Meeting: React.FC = () => {
         }
       },
       onUserJoined: async (info: any, remoteUid: any, _elapsed: any) => {
-        if (String(remoteUid).length !== 9) {
+        if (String(remoteUid).length === 9) {
+          setIsShare(true)
+        } else {
           await getRoomUser()
           setTimeout(async () => {
             let view = document.getElementById(`video-${remoteUid}`) as HTMLElement;
@@ -174,6 +177,9 @@ const Meeting: React.FC = () => {
         }
       },
       onUserOffline: async (info: any, remoteUid: any, _reason: any) => {
+        if (String(remoteUid).length === 9) {
+          setIsShare(false)
+        }
         await agora.setupRemoteVideo({
           uid: Number(remoteUid),
           view: null,
@@ -444,6 +450,7 @@ const Meeting: React.FC = () => {
         setIsSharedScreenModal(true)
         break;
       case '停止共享':
+        await agora.leaveChannelEx(user.screenShareId)
         agora.stopScreenCapture()
         await allUserLook(user.uid)
         footerListTemplate[itemIndex][rowIndex].title = '共享屏幕'
diff --git a/src/utils/package/agora.ts b/src/utils/package/agora.ts
index a97d500..8f589b5 100644
--- a/src/utils/package/agora.ts
+++ b/src/utils/package/agora.ts
@@ -141,7 +141,7 @@ const agora = {
   },
   // 共享屏幕单独用户
   joinChannelEx: async (uid: any) => {
-    await rtcEngine.leaveChannelEx({ channelId: option.channelId, localUid: Number(uid) })
+    await agora.leaveChannelEx(uid)
     await rtcEngine.joinChannelEx(
       option.token,
       { channelId: option.channelId, localUid: Number(uid) },
@@ -155,6 +155,10 @@ const agora = {
       }
     );
   },
+  // 离开共享屏幕频道
+  leaveChannelEx: async (uid: any) => {
+    await rtcEngine.leaveChannelEx({ channelId: option.channelId, localUid: Number(uid) })
+  },
   // 停止共享屏幕
   stopScreenCapture: () => {
     rtcEngine.stopScreenCapture();