diff --git a/business/jxstore/event/event_tcp.go b/business/jxstore/event/event_tcp.go
index 8b57e996a..45be0933a 100644
--- a/business/jxstore/event/event_tcp.go
+++ b/business/jxstore/event/event_tcp.go
@@ -83,6 +83,7 @@ func (t *TcpClient) handleConn(c net.Conn) {
 				t.addConn(c, printNo, status)
 				t.buildCallBackMap(printNo)
 				t.buildMsgMap(printNo)
+				t.buildTimeoutMap(printNo)
 				t.HandleTcpMessages(printNo)
 				t.doPrint(printNo)
 				if status == printerStatusOnline {
@@ -167,7 +168,7 @@ func (t *TcpClient) HandleTcpMessages(printNo string) {
 	go func() {
 		for {
 			select {
-			case <-t.TimeoutChan:
+			case <-t.TimeoutMap[printNo]:
 				globals.SugarLogger.Debugf("HandleTcpMessages timeout")
 				return
 			default:
@@ -196,7 +197,7 @@ func (t *TcpClient) doPrint(key string) (err error) {
 	go func() {
 		for {
 			select {
-			case <-t.TimeoutChan:
+			case <-t.TimeoutMap[key]:
 				globals.SugarLogger.Debugf("doPrint timeout")
 				return
 			default:
@@ -233,7 +234,7 @@ func (t *TcpClient) doPrint(key string) (err error) {
 						dao.UpdateEntity(db, printMsg, "Status", "Comment")
 						if t.isExist(key) {
 							t.clear(key)
-							close(t.TimeoutChan)
+							close(t.TimeoutMap[key])
 						}
 						return
 					} else {
@@ -243,7 +244,7 @@ func (t *TcpClient) doPrint(key string) (err error) {
 								//t.delConn(printMsg.PrintNo)
 								if t.isExist(key) {
 									t.clear(key)
-									close(t.TimeoutChan)
+									close(t.TimeoutMap[key])
 								}
 							} else {
 								globals.SugarLogger.Debugf("handleTcpMessages success, data: %v", hex.EncodeToString(data))
@@ -267,7 +268,7 @@ func (t *TcpClient) HandleCheckTcpHeart(key string) {
 	go func() {
 		for {
 			select {
-			case <-t.TimeoutChan:
+			case <-t.TimeoutMap[key]:
 				globals.SugarLogger.Debugf("HandleCheckTcpHeart timeout")
 				return
 			default:
@@ -277,7 +278,7 @@ func (t *TcpClient) HandleCheckTcpHeart(key string) {
 						changePrinterStatus(key, printerStatusOffline)
 						if t.isExist(key) {
 							t.clear(key)
-							close(t.TimeoutChan)
+							close(t.TimeoutMap[key])
 							return
 						}
 					}
diff --git a/business/jxstore/event/event_tcp_utils.go b/business/jxstore/event/event_tcp_utils.go
index 526594448..cd82da2fd 100644
--- a/business/jxstore/event/event_tcp_utils.go
+++ b/business/jxstore/event/event_tcp_utils.go
@@ -120,7 +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
+	TimeoutMap  map[string]chan bool            //退出channel
 	*sync.RWMutex
 }
 
@@ -149,9 +149,6 @@ 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) {
@@ -168,6 +165,13 @@ func (t *TcpClient) buildCallBackMap(key string) {
 	t.CallBackMap[key] = dataChan
 }
 
+func (t *TcpClient) buildTimeoutMap(key string) {
+	t.Lock()
+	defer t.Unlock()
+	dataChan := make(chan bool)
+	t.TimeoutMap[key] = dataChan
+}
+
 func (t *TcpClient) getPrintStatus(key string) int {
 	t.RLock()
 	defer t.RUnlock()
@@ -283,7 +287,7 @@ 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),
+		TimeoutMap:  make(map[string]chan bool),
 	}
 	t.RWMutex = new(sync.RWMutex)
 	return t