diff --git a/business/jxstore/event/event_tcp.go b/business/jxstore/event/event_tcp.go
index d66c790e8..d051cabd8 100644
--- a/business/jxstore/event/event_tcp.go
+++ b/business/jxstore/event/event_tcp.go
@@ -222,11 +222,13 @@ func (t *TcpClient) doPrint(key string) (err error) {
 func (t *TcpClient) HandleCheckTcpHeart(key string) {
 	go func() {
 		for {
-			if time.Now().Sub(t.getPrintStatusTime(key)) > time.Minute+time.Second*2 {
-				changePrinterStatus(key, printerStatusOffline)
-				if t.isExist(key) {
-					t.clear(key)
-					return
+			if !utils.IsTimeZero(t.getPrintStatusTime(key)) {
+				if time.Now().Sub(t.getPrintStatusTime(key)) > time.Minute+time.Second*2 {
+					changePrinterStatus(key, printerStatusOffline)
+					if t.isExist(key) {
+						t.clear(key)
+						return
+					}
 				}
 			}
 			//keys := []string{}