fix

server/websocket/internal/logic/datatransferlogic.go

@@ -87,9 +87,9 @@ func (l *DataTransferLogic) DataTransfer(w http.ResponseWriter, r *http.Request)
 	//有token是正常用户，无则是白板用户，也可以连接
 	if token != "" {
 		r.Header.Set("Authorization", "Bearer "+token)
-	}
 		//设置Sec-Websocket-Protocol
 		upgrader.Subprotocols = []string{token}
+	}
 	//升级websocket
 	conn, err := upgrader.Upgrade(w, r, nil)
 	if err != nil {