From 98f08be2dfe70fc461802884a59135d609fad8fe Mon Sep 17 00:00:00 2001
From: lgq <1015864684@qq.com>
Date: 星期四, 09 十月 2025 10:28:31 +0800
Subject: [PATCH] 1. 添加1.8寸屏显示脚本，并添加到app.ini服务列表中  要提交的变更： 	新文件：   local/app/display 	修改：     local/default/app.ini

---
 local/www/cgi-bin/register/query_sn |    5 +++++
 1 files changed, 5 insertions(+), 0 deletions(-)

diff --git a/local/www/cgi-bin/register/query_sn b/local/www/cgi-bin/register/query_sn
index 85339e4..9ecb587 100755
--- a/local/www/cgi-bin/register/query_sn
+++ b/local/www/cgi-bin/register/query_sn
@@ -1,5 +1,6 @@
 #!/bin/sh
 # 鏌ヨ-涓插彛璁惧
+export PATH=/sbin:/usr/sbin:$PATH
 echo -en "Content-type: text/html; charset=utf-8\n\n"
 #*****************************************************
 source ../bin/env.sh
@@ -11,7 +12,11 @@
 
 #echo "query device list: $content" >> log
 
+tmp=`sqlite3 /work/iot_cfg.db "select id from machine"`
+
+if [ "$tmp" = "" ];then
 /usr/local/script/update_sn  > /dev/null
+fi
  
 sn=`sqlite3 /work/iot_cfg.db "select id from machine"`
 

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