diff --git a/business/jxstore/event/event_tcp.go b/business/jxstore/event/event_tcp.go
index 1c3eb6c29..88dd48103 100644
--- a/business/jxstore/event/event_tcp.go
+++ b/business/jxstore/event/event_tcp.go
@@ -266,6 +266,7 @@ func (t *TcpClient) HandleCheckTcpHeart(key string) {
 				t.Clients[key].C.Close()
 				close(t.MsgMap[key])
 				close(t.CallBackMap[key])
+				delete(t.Clients, key)
 				globals.SugarLogger.Debugf("HandleCheckTcpHeart timeout")
 				return
 			default: