aa

business/jxstore/event/event_tcp.go

@@ -245,6 +245,7 @@ func (t *TcpClient) doPrint(key string) (err error) {
 									globals.SugarLogger.Debugf("handleTcpMessages success, data: %v", hex.EncodeToString(data))
 									//等待回调
 									dataStr := <-t.CallBackMap[printMsg.PrintNo]
+									if dataStr != "" {
 										a, b := getCallbackMsgInfo(dataStr)
 										t.changePrintMsg(dataStr, a, b)
 										//判断音频暂停？
@@ -262,6 +263,7 @@ func (t *TcpClient) doPrint(key string) (err error) {
 					}
 				}
 			}
+		}
 	}()
 	return err
 }