diff --git a/client/lib/main.dart b/client/lib/main.dart
index 8a75226..55af956 100644
--- a/client/lib/main.dart
+++ b/client/lib/main.dart
@@ -46,17 +46,31 @@ class PangolinApp extends ConsumerStatefulWidget {
 
 class _PangolinAppState extends ConsumerState<PangolinApp> {
   AppLifecycleListener? _lifecycle;
+  // 是否正在「真退出」(托盘「退出」菜单触发)。区分:点关闭只隐藏到托盘、保持隧道。
+  bool _isQuitting = false;
 
   @override
   void initState() {
     super.initState();
     if (isDesktop) {
-      // 真退出(Cmd+Q / 托盘退出)前先停内核拆隧道,避免 sing-box 孤儿 + TUN 残留。
+      // 关闭 / 退出请求的处理:
+      // - Windows:点 X / Alt+F4 会触发 onExitRequested,但桌面端要常驻托盘、隧道不断
+      //   → 取消退出并隐藏到托盘。真正退出只走托盘「退出」菜单(见 onBeforeQuit)。
+      //   (否则会出现:连接被拆、窗口却只是隐藏,即「关掉就断网但进程还在」。)
+      // - macOS:Cmd+Q 等真退出 → 先停内核拆隧道再退出(红叉关闭走 onWindowClose 隐藏)。
       _lifecycle = AppLifecycleListener(onExitRequested: () async {
+        if (Platform.isWindows && !_isQuitting) {
+          await windowManager.hide();
+          return ui.AppExitResponse.cancel;
+        }
         await _teardownVpn();
         return ui.AppExitResponse.exit;
       });
-      TrayService.instance.onBeforeQuit = _teardownVpn;
+      // 托盘「退出」前置钩子:标记真退出 + 停内核拆隧道(避免 sing-box 孤儿 + TUN 残留)。
+      TrayService.instance.onBeforeQuit = () async {
+        _isQuitting = true;
+        await _teardownVpn();
+      };
     }
   }
 
diff --git a/client/pubspec.yaml b/client/pubspec.yaml
index e697407..9d57dbb 100644
--- a/client/pubspec.yaml
+++ b/client/pubspec.yaml
@@ -1,7 +1,7 @@
 name: pangolin_vpn
 description: 穿山甲 · Pangolin — 极简、稳定、跨平台网络加速客户端。
 publish_to: "none"
-version: 1.0.1+2
+version: 1.0.2+3
 
 environment:
   sdk: ^3.5.0
diff --git a/client/windows/installer/pangolin.iss b/client/windows/installer/pangolin.iss
index 93df1d2..6dbdb72 100644
--- a/client/windows/installer/pangolin.iss
+++ b/client/windows/installer/pangolin.iss
@@ -3,7 +3,7 @@
 ; 前置: 先在 client/ 跑 `flutter build windows`(Release),产物在
 ;       ..\..\build\windows\x64\runner\Release
 #define MyAppName "穿山甲 Pangolin"
-#define MyAppVersion "1.0.1"
+#define MyAppVersion "1.0.2"
 #define MyAppPublisher "Pangolin"
 #define MyAppExeName "pangolin_vpn.exe"
 #define BuildDir "..\..\build\windows\x64\runner\Release"
diff --git a/client/windows/runner/win32_window.cpp b/client/windows/runner/win32_window.cpp
index 60608d0..c37ab98 100644
--- a/client/windows/runner/win32_window.cpp
+++ b/client/windows/runner/win32_window.cpp
@@ -144,6 +144,25 @@ bool Win32Window::Create(const std::wstring& title,
     return false;
   }
 
+  // 显式给窗口设大/小两种图标:任务栏 / Alt-Tab 用 ICON_BIG(32px),标题栏用
+  // ICON_SMALL(16px)。仅靠 WNDCLASS.hIcon(LoadIcon 取单一尺寸)时,任务栏可能
+  // 拿不到正确尺寸而沿用旧/默认图标 —— 从多尺寸 app_icon.ico 按系统尺寸各取一份。
+  HINSTANCE instance = GetModuleHandle(nullptr);
+  HANDLE big_icon = LoadImage(instance, MAKEINTRESOURCE(IDI_APP_ICON), IMAGE_ICON,
+                              GetSystemMetrics(SM_CXICON),
+                              GetSystemMetrics(SM_CYICON), LR_DEFAULTCOLOR);
+  HANDLE small_icon = LoadImage(instance, MAKEINTRESOURCE(IDI_APP_ICON), IMAGE_ICON,
+                                GetSystemMetrics(SM_CXSMICON),
+                                GetSystemMetrics(SM_CYSMICON), LR_DEFAULTCOLOR);
+  if (big_icon) {
+    SendMessage(window, WM_SETICON, ICON_BIG,
+                reinterpret_cast<LPARAM>(big_icon));
+  }
+  if (small_icon) {
+    SendMessage(window, WM_SETICON, ICON_SMALL,
+                reinterpret_cast<LPARAM>(small_icon));
+  }
+
   UpdateTheme(window);
 
   return OnCreate();