diff --git a/business/jxstore/event/event.go b/business/jxstore/event/event.go
index 622ee4bc4..bc905dcf9 100644
--- a/business/jxstore/event/event.go
+++ b/business/jxstore/event/event.go
@@ -45,7 +45,7 @@ func init() {
 	clientsHeart := make(map[string]*websocket.Conn)
 	wsClient.Clients = clients
 	wsClient.ClientsHeart = clientsHeart
-
+	wsClient.s = new(sync.RWMutex)
 	go handleMessages()
 }