From b544d5cccd76735e034c8055918a50927b437474 Mon Sep 17 00:00:00 2001
From: wenxiangchao <wenxiangchao@ihengxin.com.cn>
Date: 星期二, 10 十一月 2026 08:29:04 +0800
Subject: [PATCH] fix: 维护模式重复进入失败与按钮灰死 + Broker 并发验证用例

---
 HMI.Core/Util/Sqlite3Helper.cs |    2 ++
 1 files changed, 2 insertions(+), 0 deletions(-)

diff --git a/HMI.Core/Util/Sqlite3Helper.cs b/HMI.Core/Util/Sqlite3Helper.cs
index 57fe091..e271025 100644
--- a/HMI.Core/Util/Sqlite3Helper.cs
+++ b/HMI.Core/Util/Sqlite3Helper.cs
@@ -11,6 +11,8 @@
 
         private string ConnectString = string.Empty;
 
+        public const int MAX_ATTACHED = 30;
+
         private SQLiteConnection conn = null;
 
         public Sqlite3Helper(string DBFile)

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