diff --git a/business/jxstore/event/event_tcp.go b/business/jxstore/event/event_tcp.go
index 31710041e..11a74ee48 100644
--- a/business/jxstore/event/event_tcp.go
+++ b/business/jxstore/event/event_tcp.go
@@ -199,56 +199,54 @@ func (t *TcpClient) doPrint(key string) (err error) {
 				globals.SugarLogger.Debugf("doPrint timeout")
 				return
 			default:
-				printMsg, ok := <-t.MsgMap[key]
-				if !ok {
-					return
-				}
-				var (
-					data []byte
-					c    net.Conn
-				)
-				if printMsg != nil {
-					if err = checkPrintMsg(db, printMsg); err == nil {
-						status := t.getPrintStatus(printMsg.PrintNo)
-						switch status {
-						//只有在线才打印内容
-						case printerStatusOnline:
-							if c = t.getPrintConn(printMsg.PrintNo); c != nil {
-								data, err = buildMsg(printMsg)
-							}
-						case printerStatusOffline:
-							err = fmt.Errorf("打印机离线！")
-						case printerStatusOnlineWithoutPaper:
-							err = fmt.Errorf("打印机缺纸！")
-						default:
-							err = fmt.Errorf("打印机状态未知！")
-						}
+				select {
+				case printMsg, ok := <-t.MsgMap[key]:
+					if !ok{
+						return
 					}
-					if err != nil {
-						globals.SugarLogger.Debugf("doPrint2 err printNo:%s, msgID:%s,  err: %s", printMsg.PrintNo, printMsg.MsgID, err.Error())
-						//t.delConn(printMsg.PrintNo)
-						printMsg.Status = printMsgErr
-						printMsg.Comment = err.Error()
-						dao.UpdateEntity(db, printMsg, "Status", "Comment")
-						if t.isExist(key) {
-							t.clear(key)
-							globals.SugarLogger.Debugf("handleTcpMessages clear1...")
-						}
-					} else {
-						if c != nil {
-							if _, err = c.Write(data); err != nil {
-								globals.SugarLogger.Debugf("handleTcpMessages err [%v]", err)
-								//t.delConn(printMsg.PrintNo)
-								if t.isExist(key) {
-									t.clear(key)
-									globals.SugarLogger.Debugf("handleTcpMessages clear2...")
+					var (
+						data []byte
+						c    net.Conn
+					)
+					if printMsg != nil {
+						if err = checkPrintMsg(db, printMsg); err == nil {
+							status := t.getPrintStatus(printMsg.PrintNo)
+							switch status {
+							//只有在线才打印内容
+							case printerStatusOnline:
+								if c = t.getPrintConn(printMsg.PrintNo); c != nil {
+									data, err = buildMsg(printMsg)
+								}
+							case printerStatusOffline:
+								err = fmt.Errorf("打印机离线！")
+							case printerStatusOnlineWithoutPaper:
+								err = fmt.Errorf("打印机缺纸！")
+							default:
+								err = fmt.Errorf("打印机状态未知！")
+							}
+						}
+						if err != nil {
+							globals.SugarLogger.Debugf("doPrint2 err printNo:%s, msgID:%s,  err: %s", printMsg.PrintNo, printMsg.MsgID, err.Error())
+							//t.delConn(printMsg.PrintNo)
+							printMsg.Status = printMsgErr
+							printMsg.Comment = err.Error()
+							dao.UpdateEntity(db, printMsg, "Status", "Comment")
+							close(t.TimeoutMap[key])
+							globals.SugarLogger.Debugf("handleTcpMessages clear1...")
+						} else {
+							if c != nil {
+								if _, err = c.Write(data); err != nil {
+									globals.SugarLogger.Debugf("handleTcpMessages err [%v]", err)
+									//t.delConn(printMsg.PrintNo)
+									close(t.TimeoutMap[key])
+									globals.SugarLogger.Debugf("handleTcpMessages clear2...")
+								} else {
+									globals.SugarLogger.Debugf("handleTcpMessages success, data: %v", hex.EncodeToString(data))
+									//等待回调
+									dataStr := <-t.CallBackMap[printMsg.PrintNo]
+									a, b := getCallbackMsgInfo(dataStr)
+									t.changePrintMsg(dataStr, a, b)
 								}
-							} else {
-								globals.SugarLogger.Debugf("handleTcpMessages success, data: %v", hex.EncodeToString(data))
-								//等待回调
-								dataStr := <-t.CallBackMap[printMsg.PrintNo]
-								a, b := getCallbackMsgInfo(dataStr)
-								t.changePrintMsg(dataStr, a, b)
 							}
 						}
 					}
@@ -256,6 +254,8 @@ func (t *TcpClient) doPrint(key string) (err error) {
 			}
 		}
 	}()
+	close(t.MsgMap[key])
+	close(t.CallBackMap[key])
 	return err
 }
 
@@ -273,11 +273,9 @@ func (t *TcpClient) HandleCheckTcpHeart(key string) {
 					//2分钟内没心跳判断打印机掉线了
 					if time.Now().Sub(t.getPrintStatusTime(key)) > time.Minute+time.Second*3 {
 						changePrinterStatus(key, printerStatusOffline)
-						if t.isExist(key) {
-							globals.SugarLogger.Debugf("HandleCheckTcpHeart clear...")
-							//t.clear(key)
-							close(t.TimeoutMap[key])
-						}
+						globals.SugarLogger.Debugf("HandleCheckTcpHeart clear...")
+						//t.clear(key)
+						close(t.TimeoutMap[key])
 					}
 				}
 			}
@@ -299,4 +297,5 @@ func (t *TcpClient) HandleCheckTcpHeart(key string) {
 			//}
 		}
 	}()
+	t.Clients[key].C.Close()
 }