diff --git a/business/jxstore/event/event_tcp.go b/business/jxstore/event/event_tcp.go
index 6d65a23fa..5db637ccc 100644
--- a/business/jxstore/event/event_tcp.go
+++ b/business/jxstore/event/event_tcp.go
@@ -231,10 +231,8 @@ func (t *TcpClient) doPrint(key string) (err error) {
 						printMsg.Comment = err.Error()
 						dao.UpdateEntity(db, printMsg, "Status", "Comment")
 						if t.isExist(key) {
-							timeoutChan <- 1
-							timeoutChan <- 1
-							timeoutChan <- 1
 							t.clear(key)
+							close(timeoutChan)
 						}
 						return
 					} else {
@@ -243,10 +241,8 @@ func (t *TcpClient) doPrint(key string) (err error) {
 								globals.SugarLogger.Debugf("handleTcpMessages err [%v]", err)
 								//t.delConn(printMsg.PrintNo)
 								if t.isExist(key) {
-									timeoutChan <- 1
-									timeoutChan <- 1
-									timeoutChan <- 1
 									t.clear(key)
+									close(timeoutChan)
 								}
 								return
 							} else {
@@ -279,10 +275,8 @@ func (t *TcpClient) HandleCheckTcpHeart(key string) {
 					if time.Now().Sub(t.getPrintStatusTime(key)) > time.Minute*2 {
 						changePrinterStatus(key, printerStatusOffline)
 						if t.isExist(key) {
-							timeoutChan <- 1
-							timeoutChan <- 1
-							timeoutChan <- 1
 							t.clear(key)
+							close(timeoutChan)
 							return
 						}
 					}
diff --git a/business/jxstore/event/event_tcp_utils.go b/business/jxstore/event/event_tcp_utils.go
index 6bf53f44b..3d61b612e 100644
--- a/business/jxstore/event/event_tcp_utils.go
+++ b/business/jxstore/event/event_tcp_utils.go
@@ -108,7 +108,7 @@ var (
 	regexpQrr   = regexp.MustCompile(byteSignQrRight + "(.*?)" + byteSignQrRightE)
 	regexpSound = regexp.MustCompile(byteSignSound + "(.*?)" + byteSignSoundE)
 
-	timeoutChan = make(chan int, 3)
+	timeoutChan = make(chan bool)
 )
 
 type PrintInfo struct {