diff --git a/services/mux_bridge.go b/services/mux_bridge.go
index 6b46ac3..6c33246 100644
--- a/services/mux_bridge.go
+++ b/services/mux_bridge.go
@@ -138,6 +138,9 @@ func (s *MuxBridge) handler(inConn net.Conn) {
 					if sess, ok := group.Get(index); ok && sess.(*smux.Session).IsClosed() {
 						group.Remove(index)
 					}
+					if group.IsEmpty() {
+						s.clientControlConns.Remove(groupKey)
+					}
 					break
 				}
 				time.Sleep(time.Second * 5)
diff --git a/services/mux_client.go b/services/mux_client.go
index 56b6bbf..42cd43d 100644
--- a/services/mux_client.go
+++ b/services/mux_client.go
@@ -47,7 +47,7 @@ func (s *MuxClient) Start(args interface{}) (err error) {
 	s.cfg = args.(MuxClientArgs)
 	s.CheckArgs()
 	s.InitService()
-	log.Printf("%s client on %s", *s.cfg.ParentType, *s.cfg.Parent)
+	log.Printf("client started")
 	count := 1
 	if *s.cfg.SessionCount > 0 {
 		count = *s.cfg.SessionCount
diff --git a/services/mux_server.go b/services/mux_server.go
index 69e47b1..413b216 100644
--- a/services/mux_server.go
+++ b/services/mux_server.go
@@ -205,7 +205,7 @@ func (s *MuxServer) Start(args interface{}) (err error) {
 		if err != nil {
 			return
 		}
-		log.Printf("%s server on %s", *s.cfg.ParentType, (*s.sc.Listener).Addr())
+		log.Printf("server on %s", (*s.sc.Listener).Addr())
 	}
 	return
 }