From d1b72117058f1131046b6aa3add8e3ccfae033d8 Mon Sep 17 00:00:00 2001
From: wenxiangchao <wenxiangchao@ihengxin.com.cn>
Date: 星期一, 09 十一月 2026 10:36:07 +0800
Subject: [PATCH] docs: CAN 模拟器独立 TCP 服务进程设计规格(统一 CanDeviceDriver + 双工推送协议)

---
 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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