diff --git a/business/jxstore/event/event_tcp.go b/business/jxstore/event/event_tcp.go
index bea4b1eb2..2cc39e314 100644
--- a/business/jxstore/event/event_tcp.go
+++ b/business/jxstore/event/event_tcp.go
@@ -167,7 +167,7 @@ func (t *TcpClient) HandleTcpMessages(printNo string) {
 	go func() {
 		for {
 			select {
-			case <-timeoutChan:
+			case <-t.TimeoutChan:
 				globals.SugarLogger.Debugf("HandleTcpMessages timeout")
 				return
 			default:
@@ -196,7 +196,7 @@ func (t *TcpClient) doPrint(key string) (err error) {
 	go func() {
 		for {
 			select {
-			case <-timeoutChan:
+			case <-t.TimeoutChan:
 				globals.SugarLogger.Debugf("doPrint timeout")
 				return
 			default:
@@ -233,7 +233,7 @@ func (t *TcpClient) doPrint(key string) (err error) {
 						dao.UpdateEntity(db, printMsg, "Status", "Comment")
 						if t.isExist(key) {
 							t.clear(key)
-							close(timeoutChan)
+							close(t.TimeoutChan)
 						}
 						return
 					} else {
@@ -243,7 +243,7 @@ func (t *TcpClient) doPrint(key string) (err error) {
 								//t.delConn(printMsg.PrintNo)
 								if t.isExist(key) {
 									t.clear(key)
-									close(timeoutChan)
+									close(t.TimeoutChan)
 								}
 							} else {
 								globals.SugarLogger.Debugf("handleTcpMessages success, data: %v", hex.EncodeToString(data))
@@ -266,7 +266,7 @@ func (t *TcpClient) HandleCheckTcpHeart(key string) {
 	go func() {
 		for {
 			select {
-			case <-timeoutChan:
+			case <-t.TimeoutChan:
 				globals.SugarLogger.Debugf("HandleCheckTcpHeart timeout")
 				return
 			default:
@@ -276,7 +276,7 @@ func (t *TcpClient) HandleCheckTcpHeart(key string) {
 						changePrinterStatus(key, printerStatusOffline)
 						if t.isExist(key) {
 							t.clear(key)
-							close(timeoutChan)
+							close(t.TimeoutChan)
 							return
 						}
 					}
diff --git a/business/jxstore/event/event_tcp_utils.go b/business/jxstore/event/event_tcp_utils.go
index 3d61b612e..526594448 100644
--- a/business/jxstore/event/event_tcp_utils.go
+++ b/business/jxstore/event/event_tcp_utils.go
@@ -107,8 +107,6 @@ var (
 	regexpQrl   = regexp.MustCompile(byteSignQrLeft + "(.*?)" + byteSignQrLeftE)
 	regexpQrr   = regexp.MustCompile(byteSignQrRight + "(.*?)" + byteSignQrRightE)
 	regexpSound = regexp.MustCompile(byteSignSound + "(.*?)" + byteSignSoundE)
-
-	timeoutChan = make(chan bool)
 )
 
 type PrintInfo struct {
@@ -122,6 +120,7 @@ type TcpClient struct {
 	Clients     map[string]*PrintInfo           //放tcp连接的，printNo 为key
 	MsgMap      map[string]chan *model.PrintMsg //放打印信息的，printNo为key
 	CallBackMap map[string]chan string          //放打印信息回调信息的，printNo为key
+	TimeoutChan chan bool                       //退出channel
 	*sync.RWMutex
 }
 
@@ -150,6 +149,9 @@ func (t *TcpClient) addConn(c net.Conn, key string, status int) {
 		Status:     status,
 		StatusTime: time.Now(),
 	}
+	if t.TimeoutChan == nil {
+		t.TimeoutChan = make(chan bool)
+	}
 }
 
 func (t *TcpClient) buildMsgMap(key string) {
@@ -281,6 +283,7 @@ func NewTcpClient() *TcpClient {
 		Clients:     make(map[string]*PrintInfo),
 		CallBackMap: make(map[string]chan string),
 		MsgMap:      make(map[string]chan *model.PrintMsg),
+		TimeoutChan: make(chan bool),
 	}
 	t.RWMutex = new(sync.RWMutex)
 	return t