适配windows（测试）

lib/main.dart

@@ -1,4 +1,5 @@
 import 'dart:async';
+import 'dart:io';
 import 'dart:ui';
 import 'package:flutter/material.dart';
 import 'package:flutter/services.dart';
@@ -7,6 +8,7 @@ import 'package:provider/provider.dart';
 import 'package:dynamic_color/dynamic_color.dart';
 import 'package:flutter_quill/flutter_quill.dart' as quill;
 import 'package:url_launcher/url_launcher.dart';
+import 'package:sqflite_common_ffi/sqflite_ffi.dart';
 import 'pages/home_page.dart';
 import 'utils/theme/app_theme.dart';
 import 'utils/app_router.dart';
@@ -21,6 +23,11 @@ final RouteObserver<ModalRoute<void>> routeObserver = RouteObserver<ModalRoute<v
 
 void main() async {
   WidgetsFlutterBinding.ensureInitialized();
+  // Windows 桌面：使用 FFI 初始化 sqflite
+  if (Platform.isWindows) {
+    sqfliteFfiInit();
+    databaseFactory = databaseFactoryFfi;
+  }
   await UserPrefs.init();
   final appProvider = AppProvider();
   runApp(MyApp(appProvider: appProvider));

lib/pages/profile_page.dart

@@ -977,17 +977,19 @@ class _SettingsPageState extends State<SettingsPage> {
       body: ListView(
         children: [
           _buildSectionHeader('显示设置'),
-          _buildNavigationItem(
-            icon: Icons.apps_outlined,
-            title: '应用图标',
-            subtitle: '更换桌面应用图标',
-            onTap: () => Navigator.push(context,
-                MaterialPageRoute(builder: (_) => const AppIconPickerPage())),
-          ),
-          Divider(
-              height: 0.5,
-              indent: 24,
-              endIndent: 24,
+          if (!Platform.isWindows)
+            _buildNavigationItem(
+              icon: Icons.apps_outlined,
+              title: '应用图标',
+              subtitle: '更换桌面应用图标',
+              onTap: () => Navigator.push(context,
+                  MaterialPageRoute(builder: (_) => const AppIconPickerPage())),
+            ),
+          if (!Platform.isWindows)
+            Divider(
+                height: 0.5,
+                indent: 24,
+                endIndent: 24,
               color: colors.outlineVariant),
           _buildNavigationItem(
             icon: Icons.tune_outlined,

lib/utils/app_router.dart

@@ -1,4 +1,6 @@
+import 'dart:io';
 import 'package:flutter/material.dart';
+import 'package:url_launcher/url_launcher.dart';
 import '../models/data_models.dart';
 import 'slide_up_page_route.dart';
 import '../pages/movies/movie_form_page.dart';
@@ -13,7 +15,7 @@ import '../pages/note_plus/note_plus_detail_page.dart';
 
 /// 路由生成器
 class AppRouter {
-  static Route<dynamic> generateRoute(RouteSettings settings) {
+  static Route<dynamic>? generateRoute(RouteSettings settings) {
     switch (settings.name) {
       case '/movie-form':
         final args = settings.arguments;
@@ -64,6 +66,11 @@ class AppRouter {
         if (url == null) {
           return _buildUnknownRoute(settings.name);
         }
+        if (Platform.isWindows) {
+          // Windows 无 webview 支持，用系统浏览器打开
+          launchUrl(Uri.parse(url));
+          return null;
+        }
         return SlideUpPageRoute(page: DoubanWebViewPage(url: url));
 
       case '/note-plus-form':