diff --git a/business/jxstore/event/event_tcp.go b/business/jxstore/event/event_tcp.go
index f63f061d5..210d720af 100644
--- a/business/jxstore/event/event_tcp.go
+++ b/business/jxstore/event/event_tcp.go
@@ -94,8 +94,8 @@ func (t *TcpClient) handleConn(c net.Conn) {
 			//t.Clients[printNo] = printInfo
 			//t.Unlock()
 			t.addConn(c, printNo, status)
-			t.buildCallBackMap(printNo)
-			t.buildMsgMap(printNo)
+			//t.buildCallBackMap(printNo)
+			//t.buildMsgMap(printNo)
 			go t.doPrint2(printNo)
 			changePrinterStatus(printNo, status)
 			if status == printerStatusOnline {
diff --git a/business/jxstore/event/event_tcp_utils.go b/business/jxstore/event/event_tcp_utils.go
index 9be96a050..344fb3465 100644
--- a/business/jxstore/event/event_tcp_utils.go
+++ b/business/jxstore/event/event_tcp_utils.go
@@ -219,8 +219,8 @@ func (t *TcpClient) setPrintStatus(key string, status int) {
 }
 
 func (t *TcpClient) addMsgChan(printMsg *model.PrintMsg) {
-	t.RLock()
-	defer t.RUnlock()
+	t.Lock()
+	defer t.Unlock()
 	if !t.isExistMsg(printMsg.PrintNo) {
 		t.buildMsgMap(printMsg.PrintNo)
 	}
@@ -228,8 +228,8 @@ func (t *TcpClient) addMsgChan(printMsg *model.PrintMsg) {
 }
 
 func (t *TcpClient) addCallbackChan(key, data string) {
-	t.RLock()
-	defer t.RUnlock()
+	t.Lock()
+	defer t.Unlock()
 	if !t.isExistCallback(key) {
 		t.buildCallBackMap(key)
 	}