From 67aada2e62e3c5faa9a57b789ab6e6473caaace7 Mon Sep 17 00:00:00 2001
From: suyl <770236076@qq.com>
Date: Mon, 5 Jul 2021 09:54:47 +0800
Subject: [PATCH] aa

---
 business/jxstore/event/event_tcp.go | 8 +++++---
 1 file changed, 5 insertions(+), 3 deletions(-)

diff --git a/business/jxstore/event/event_tcp.go b/business/jxstore/event/event_tcp.go
index 5d9e08278..8b2a030c5 100644
--- a/business/jxstore/event/event_tcp.go
+++ b/business/jxstore/event/event_tcp.go
@@ -282,7 +282,9 @@ func HandleTcpMessages() {
 				printMsg.Comment = err.Error()
 				dao.UpdateEntity(db, printMsg, "Status", "Comment")
 				delete(tcpClient.Clients, printMsg.PrintNo)
-				c.Close()
+				if c != nil {
+					c.Close()
+				}
 			} else {
 				if c != nil {
 					if _, err = c.Write(data); err != nil {
@@ -325,8 +327,8 @@ func buildMsg(printMsg *model.PrintMsg) (data []byte, err error) {
 		orderNo   = printMsg.OrderNo
 		str       = "1e"
 		const1    = "0200ff50"
-		printInit = "1b40"                       //打印机初始化
-		voice     = "1d6b4009fd00060101d6d0b9fa" //语音，中国
+		printInit = "1b40"                                 //打印机初始化
+		voice     = "1b594155011d6b4009fd00060101d6d0b9fa" //语音，中国
 		check     = "ff"
 		//qr                                  = "1d58021b5a0001061600747470733a2f2f7777772e62616964752e636f6d2f1b000A0A0A1B40"
 		orderNoHexH, orderNoHexL, printData string