diff --git a/src/components/UserVideo/index.tsx b/src/components/UserVideo/index.tsx
index e9147a0..aca375c 100644
--- a/src/components/UserVideo/index.tsx
+++ b/src/components/UserVideo/index.tsx
@@ -59,6 +59,7 @@ const UserVideo: React.FC = () => {
 
   useEffect(() => {
     userList.forEach((item: any) => {
+      agora.destroyRendererByConfig(Number('1' + item.screenShareId))
       agora.setupRemoteVideoEx({
         uid: Number('1' + item.screenShareId),
         view: document.getElementById(`video-${item.screenShareId}`),
@@ -74,7 +75,6 @@ const UserVideo: React.FC = () => {
   };
   // 获取轮训用户
   const getPolling = async (): Promise<void> => {
-    setUserList([])
     setFrom((res: any) => {
       GetPolling(state.channelId?.split('a')[0] as string, res.viewPeopleValue).then((res: any) => {
         if (res.code === 200) {
diff --git a/src/utils/package/agora.ts b/src/utils/package/agora.ts
index be6d7b3..ad5c49b 100644
--- a/src/utils/package/agora.ts
+++ b/src/utils/package/agora.ts
@@ -258,6 +258,9 @@ export const agora = {
     await agora.stopCameraCapture();
     await rtcEngine.leaveChannelEx({ channelId: option.channelId + 'a', localUid: Number('1' + option.screenShareId) })
   },
+  destroyRendererByConfig: async (uid: number) => {
+    rtcEngine.destroyRendererByConfig(VideoSourceType.VideoSourceRemote, option.channelId + 'a', uid);
+  },
   // ai降噪
   setAINSMode: async (enabled: boolean, mode: AudioAinsMode) => {
     rtcEngine.setAINSMode(enabled, mode)