diff --git a/business/jxstore/event/event_tcp_utils.go b/business/jxstore/event/event_tcp_utils.go
index 4d51048bf..f60d335c8 100644
--- a/business/jxstore/event/event_tcp_utils.go
+++ b/business/jxstore/event/event_tcp_utils.go
@@ -183,7 +183,9 @@ func (t *TcpClient) setPrintStatus(key string, status int) {
 }
 
 func NewTcpClient() *TcpClient {
-	return &TcpClient{
+	t := &TcpClient{
 		Clients: make(map[string]*PrintInfo),
 	}
+	t.RWMutex = new(sync.RWMutex)
+	return t
 }