diff --git a/business/jxstore/event/event_tcp.go b/business/jxstore/event/event_tcp.go
index 71b918cca..085b75bc8 100644
--- a/business/jxstore/event/event_tcp.go
+++ b/business/jxstore/event/event_tcp.go
@@ -25,6 +25,7 @@ func ListenTcp() {
 	}
 	globals.SugarLogger.Debugf("begin listenTcp port 8000......")
 	go HandleTcpMessages()
+	go t.HandleCallback()
 	go t.HandleCheckTcpHeart()
 	go t.doPrint2(printMsgChan)
 	//go t.doPrint(printMsgChanFail)
@@ -117,7 +118,9 @@ func (t *TcpClient) handleConn(c net.Conn) {
 		} else if strings.Contains(data, printText) {
 			globals.SugarLogger.Debugf("handleConn print callback: %v", data)
 			_, printNo = getCallbackMsgInfo(data)
-			t.CallBackMap[printNo] <- data
+			if backChan, ok := t.CallBackMap.Load(printNo); ok {
+				backChan.(chan string) <- data
+			}
 			//printMsgCallbackChan <- printMsgCallbackMap
 			//changePrintMsg(data)
 		}
@@ -217,7 +220,7 @@ func (t *TcpClient) changePrintMsg(data string, orderNo int64, printNo string) (
 func HandleTcpMessages() {
 	var (
 		db               = dao.GetDB()
-		offset, pageSize = 0, 10
+		offset, pageSize = 0, 1
 	)
 	for {
 		//一直读？
@@ -275,7 +278,7 @@ func (t *TcpClient) doPrint2(printMsgChan chan *model.PrintMsg) (err error) {
 				err = fmt.Errorf("未查询到此printMsg")
 			}
 			if err != nil {
-				fmt.Println("111111111111111111111111111111111111111111111", utils.Format4Output(t.Clients[printMsg.PrintNo], true))
+				fmt.Println("111111111111111111111111111111111111111111111", utils.Format4Output(t.Clients[printMsg.PrintNo], true), err.Error())
 				//t.delConn(printMsg.PrintNo)
 				printMsg.Status = printMsgErr
 				printMsg.Comment = err.Error()
@@ -293,18 +296,9 @@ func (t *TcpClient) doPrint2(printMsgChan chan *model.PrintMsg) (err error) {
 						//c.Close()
 					} else {
 						globals.SugarLogger.Debugf("handleTcpMessages success, data: %v", hex.EncodeToString(data))
-						printMsg.Status = printMsgAlreadySend
-						dao.UpdateEntity(db, printMsg, "Status", "Comment")
+						//printMsg.Status = printMsgAlreadySend
+						//dao.UpdateEntity(db, printMsg, "Status")
 						//if t.CallBackMap[printMsg.PrintNo] != nil {
-						t.RLock()
-						select {
-						case dataStr := <-t.CallBackMap[printMsg.PrintNo]:
-							a, b := getCallbackMsgInfo(dataStr)
-							t.changePrintMsg(dataStr, a, b)
-						case <-timeoutChan:
-						}
-						t.RUnlock()
-
 						//}
 						//dataStr := <-printMsgCallbackChan
 					}
@@ -315,6 +309,17 @@ func (t *TcpClient) doPrint2(printMsgChan chan *model.PrintMsg) (err error) {
 	return err
 }
 
+func (t *TcpClient) HandleCallback() {
+	for {
+		t.CallBackMap.Range(func(key, value interface{}) bool {
+			dataStr := <-value.(chan string)
+			a, b := getCallbackMsgInfo(dataStr)
+			t.changePrintMsg(dataStr, a, b)
+			return true
+		})
+	}
+}
+
 func (t *TcpClient) HandleCheckTcpHeart() {
 	for {
 		keys := []string{}
diff --git a/business/jxstore/event/event_tcp_utils.go b/business/jxstore/event/event_tcp_utils.go
index c56eaa0b1..a840ff6b1 100644
--- a/business/jxstore/event/event_tcp_utils.go
+++ b/business/jxstore/event/event_tcp_utils.go
@@ -114,7 +114,7 @@ type PrintInfo struct {
 //连接的客户端,吧每个客户端都放进来
 type TcpClient struct {
 	Clients     map[string]*PrintInfo
-	CallBackMap map[string]chan string
+	CallBackMap sync.Map
 	*sync.RWMutex
 }
 
@@ -145,11 +145,8 @@ func (t *TcpClient) addConn(c net.Conn, key string, status int) {
 }
 
 func (t *TcpClient) buildCallBackMap(key string) {
-	t.Lock()
-	defer t.Unlock()
 	dataChan := make(chan string, 1024)
-	t.CallBackMap[key] = dataChan
-	timeoutChan <- 1
+	t.CallBackMap.Store(key, dataChan)
 }
 
 func (t *TcpClient) getPrintStatus(key string) int {
@@ -195,8 +192,8 @@ func (t *TcpClient) setPrintStatus(key string, status int) {
 
 func NewTcpClient() *TcpClient {
 	t := &TcpClient{
-		Clients:     make(map[string]*PrintInfo),
-		CallBackMap: make(map[string]chan string, 1024),
+		Clients: make(map[string]*PrintInfo),
+		//CallBackMap: new(sync.Map),
 	}
 	t.RWMutex = new(sync.RWMutex)
 	return t