diff --git a/business/jxstore/event/event_tcp.go b/business/jxstore/event/event_tcp.go
index 43545cb5f..dad7c1827 100644
--- a/business/jxstore/event/event_tcp.go
+++ b/business/jxstore/event/event_tcp.go
@@ -73,7 +73,6 @@ func handleConn(c net.Conn, t *TcpClient) error {
 	if c == nil {
 		return errors.New("conn is nil")
 	}
-	defer c.Close()
 	for {
 		buffer, n, err := ConnRead(c)
 		if err != nil {
@@ -482,7 +481,7 @@ func HandleCheckTcpHeart(t *TcpClient, key string) {
 				statusTime := t.getPrintStatusTime(key)
 				if !utils.IsTimeZero(statusTime) {
 					//1分钟内没心跳判断打印机掉线了
-					if time.Now().Sub(statusTime) > time.Second*70 {
+					if time.Now().Sub(statusTime) > time.Second*60 {
 						globals.SugarLogger.Debugf("超过一分十秒没有心跳的打印机[%s]", key)
 						changePrinterStatus(key, printerStatusOffline)
 						delete(t.TimeoutMap, key)
@@ -499,26 +498,4 @@ func HandleCheckTcpHeart(t *TcpClient, key string) {
 		}
 	}
 	Poll.AddJob(fn)
-	//go func() {
-	//	for {
-	//		if t.TimeoutMap[key] == true {
-	//			statusTime := t.getPrintStatusTime(key)
-	//			if !utils.IsTimeZero(statusTime) {
-	//				//1分钟内没心跳判断打印机掉线了
-	//				if time.Now().Sub(statusTime) > time.Second*70 {
-	//					globals.SugarLogger.Debugf("超过一分十秒没有心跳的打印机[%s]", key)
-	//					changePrinterStatus(key, printerStatusOffline)
-	//					delete(t.TimeoutMap, key)
-	//					globals.SugarLogger.Debugf("t := %s", utils.Format4Output(t.Clients[key].StatusTime, false))
-	//				}
-	//			}
-	//		} else {
-	//			t.getClients(key).C.Close()
-	//			close(t.MsgMap[key])
-	//			close(t.CallBackMap[key])
-	//			t.delConn(key)
-	//			return
-	//		}
-	//	}
-	//}()
 }