diff --git a/src/components/UserVideo/index.tsx b/src/components/UserVideo/index.tsx
index 1cbe865..ac9fcfd 100644
--- a/src/components/UserVideo/index.tsx
+++ b/src/components/UserVideo/index.tsx
@@ -75,6 +75,7 @@ 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) {