diff --git a/v2rayN/v2rayN/Forms/MainForm.cs b/v2rayN/v2rayN/Forms/MainForm.cs
index 08783e41..db6d66da 100644
--- a/v2rayN/v2rayN/Forms/MainForm.cs
+++ b/v2rayN/v2rayN/Forms/MainForm.cs
@@ -36,6 +36,7 @@ namespace v2rayN.Forms
                 v2rayHandler.V2rayStop();
 
                 //HttpProxyHandle.CloseHttpAgent(config);
+                // 第二个bool参数指示此次UpdateSysProxy是否为退出
                 HttpProxyHandle.UpdateSysProxy(config, true);
 
                 ConfigHandler.SaveConfig(ref config);
diff --git a/v2rayN/v2rayN/HttpProxyHandler/HttpProxyHandle.cs b/v2rayN/v2rayN/HttpProxyHandler/HttpProxyHandle.cs
index cab3c055..1a37ad30 100644
--- a/v2rayN/v2rayN/HttpProxyHandler/HttpProxyHandle.cs
+++ b/v2rayN/v2rayN/HttpProxyHandler/HttpProxyHandle.cs
@@ -147,11 +147,12 @@ namespace v2rayN.HttpProxyHandler
             Update(config, false);
         }
 
-        public static bool UpdateSysProxy(Config config, bool forceDisable)
+        public static bool UpdateSysProxy(Config config, bool isExit)
         {
             var type = config.sysProxyType;
 
-            if (forceDisable)
+            // 如果是程序退出那么自动配置系统代理的更新行为应当是清除
+            if (isExit && type == ESysProxyType.ForcedChange)
             {
                 type = ESysProxyType.ForcedClear;
             }
@@ -170,6 +171,7 @@ namespace v2rayN.HttpProxyHandler
                 }
                 else if (type == ESysProxyType.ForcedClear)
                 {
+                    // 系统关机时这里无法复位成功，需要改
                     SysProxyHandle.ResetIEProxy();
                 }
                 else if (type == ESysProxyType.Unchanged)