From fe2aa4880d5c9fd88088ad0ed81ebaca05629f5f Mon Sep 17 00:00:00 2001
From: wenxiangchao <wenxiangchao@ihengxin.com.cn>
Date: 星期一, 02 十一月 2026 17:59:45 +0800
Subject: [PATCH] feat: 集成CAN驱动/模拟器 + 仪器仪表注册/硬件调试模块

---
 Plugin.BurnIn/Scanner.xaml.cs |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)

diff --git a/Plugin.BurnIn/Scanner.xaml.cs b/Plugin.BurnIn/Scanner.xaml.cs
index ae98c61..1a05db9 100644
--- a/Plugin.BurnIn/Scanner.xaml.cs
+++ b/Plugin.BurnIn/Scanner.xaml.cs
@@ -390,7 +390,7 @@
             try
             {
                 targetCellInfo = null;
-                serialPort.Dispose();
+                serialPort?.Dispose();
                 serialPort = null;
             }
             catch (Exception ex)

--
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