From 09c1d78e98e01881f5abec85b75b52149b9b35f8 Mon Sep 17 00:00:00 2001
From: lx <ex_lixiang17@cols.com.cn>
Date: 星期五, 08 八月 2025 02:55:01 +0800
Subject: [PATCH] upload

---
 ErrorAnalysis.UI/FrmMain.cs |    3 +++
 1 files changed, 3 insertions(+), 0 deletions(-)

diff --git a/ErrorAnalysis.UI/FrmMain.cs b/ErrorAnalysis.UI/FrmMain.cs
index 5b0a9e4..f1cd5f2 100644
--- a/ErrorAnalysis.UI/FrmMain.cs
+++ b/ErrorAnalysis.UI/FrmMain.cs
@@ -405,6 +405,9 @@
 
             var property = control.Tag.ToString();
             var filterVal = control.Text == "water" ? "0" : control.Text == "oil" ? "100" : control.Text == "gas" ? "200" : "999";
+            if (_filters==null)
+                return;
+            
             if (_filters.ContainsKey(property))
                 _filters[property] = filterVal;
             else

--
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