视频

src/page/Meeting/index.tsx

@@ -166,7 +166,6 @@ const Meeting: React.FC = () => {
           getRoomUser()
           break;
       }
-
     })
   }, [])
 

src/utils/package/signalr.ts

@@ -17,6 +17,7 @@ export const startSignalr = () => {
 }
 
 export const onSignalr = (callBack: Function) => {
+  if (connection){
     connection.on("ReceiveMessage", (uid: string, userName: string, message: string) => {
       callBack({
         key:'ReceiveMessage',
@@ -28,7 +29,7 @@ export const onSignalr = (callBack: Function) => {
         key: 'ReceiveMessage'
       })
     });
-
+  }
 }
 export const onInvoke = async (str: string, data: any) => {
   switch (str) {