diff --git a/business/jxstore/event/event_tcp.go b/business/jxstore/event/event_tcp.go
index 60b8f3d63..dea8fee73 100644
--- a/business/jxstore/event/event_tcp.go
+++ b/business/jxstore/event/event_tcp.go
@@ -223,7 +223,7 @@ func (t *TcpClient) HandleCheckTcpHeart(key string) {
 	go func() {
 		for {
 			if !utils.IsTimeZero(t.getPrintStatusTime(key)) {
-				if time.Now().Sub(t.getPrintStatusTime(key)) > time.Minute*2 {
+				if time.Now().Sub(t.getPrintStatusTime(key)) > time.Minute*2+time.Second*2 {
 					changePrinterStatus(key, printerStatusOffline)
 					if t.isExist(key) {
 						globals.SugarLogger.Debugf("HandleCheckTcpHeart del key,%v", key)