From aa7494807497142d38875ff51d7e072203119066 Mon Sep 17 00:00:00 2001
From: AmazingDM <amazingdmdd@gmail.com>
Date: Tue, 14 Jul 2020 16:11:15 +0800
Subject: [PATCH] =?UTF-8?q?catch=20=E9=98=B2=E7=81=AB=E5=A2=99bug?=
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---
 Netch/Utils/Firewall.cs | 13 ++++++++++---
 1 file changed, 10 insertions(+), 3 deletions(-)

diff --git a/Netch/Utils/Firewall.cs b/Netch/Utils/Firewall.cs
index 7c25dbd3..407708a1 100644
--- a/Netch/Utils/Firewall.cs
+++ b/Netch/Utils/Firewall.cs
@@ -87,10 +87,17 @@ namespace Netch.Utils
 
         private static void RemoveFwRules(string ruleName)
         {
-            var c = GetFwRulesNumber(ruleName);
-            foreach (var _ in new bool[c])
+            try
             {
-                FwPolicy.Rules.Remove(ruleName);
+                var c = GetFwRulesNumber(ruleName);
+                foreach (var _ in new bool[c])
+                {
+                    FwPolicy.Rules.Remove(ruleName);
+                }
+            }
+            catch (Exception e)
+            {
+                Logging.Info("Netch 自带程序添加防火墙出错(如已关闭防火墙则可无视此错误)\n" + e);
             }
         }