diff --git a/business/jxstore/event/event_tcp.go b/business/jxstore/event/event_tcp.go
index 89d5ac1bd..7d7dc7653 100644
--- a/business/jxstore/event/event_tcp.go
+++ b/business/jxstore/event/event_tcp.go
@@ -76,7 +76,6 @@ func (t *TcpClient) handleConn(c net.Conn) {
 			globals.SugarLogger.Debugf("handleConn printno :[%v]", printNo)
 			status := printStatus2JxStatus(data[len(data)-8 : len(data)-6])
 			if t.Clients[printNo] == nil {
-				timeoutChan <- 1
 				t.addConn(c, printNo, status)
 				t.buildCallBackMap(printNo)
 				t.buildMsgMap(printNo)
@@ -219,7 +218,6 @@ func (t *TcpClient) doPrint(key string) (err error) {
 						}
 					}
 				}
-			case <-timeoutChan:
 			}
 		}
 	}()
diff --git a/business/jxstore/event/event_tcp_utils.go b/business/jxstore/event/event_tcp_utils.go
index 867552742..f84b47bcf 100644
--- a/business/jxstore/event/event_tcp_utils.go
+++ b/business/jxstore/event/event_tcp_utils.go
@@ -241,8 +241,9 @@ func (t *TcpClient) addMsgChan(printMsg *model.PrintMsg) {
 func (t *TcpClient) addCallbackChan(key, data string) {
 	t.Lock()
 	defer t.Unlock()
-	if !t.isExistCallback(key) {
-		t.buildCallBackMap(key)
+	if t.CallBackMap[key] == nil {
+		dataChan := make(chan string, 1024)
+		t.CallBackMap[key] = dataChan
 	}
 	t.CallBackMap[key] <- data
 }