diff --git a/business/jxstore/event/event_tcp.go b/business/jxstore/event/event_tcp.go
index f4679609a..31710041e 100644
--- a/business/jxstore/event/event_tcp.go
+++ b/business/jxstore/event/event_tcp.go
@@ -275,7 +275,8 @@ func (t *TcpClient) HandleCheckTcpHeart(key string) {
 						changePrinterStatus(key, printerStatusOffline)
 						if t.isExist(key) {
 							globals.SugarLogger.Debugf("HandleCheckTcpHeart clear...")
-							t.clear(key)
+							//t.clear(key)
+							close(t.TimeoutMap[key])
 						}
 					}
 				}
diff --git a/business/jxstore/event/event_tcp_utils.go b/business/jxstore/event/event_tcp_utils.go
index a496fbf7d..4865255ba 100644
--- a/business/jxstore/event/event_tcp_utils.go
+++ b/business/jxstore/event/event_tcp_utils.go
@@ -288,7 +288,6 @@ func (t *TcpClient) clear(key string) {
 	//delete(t.MsgMap, key)
 	//close(t.CallBackMap[key])
 	//delete(t.CallBackMap, key)
-	close(t.TimeoutMap[key])
 	delete(t.TimeoutMap, key)
 }