细节优化

lib/views/profile/settings/app_fun.dart

@@ -371,9 +371,61 @@ class _AppFunSettingsPageState extends State<AppFunSettingsPage> {
       ),
       trailing: Icon(Icons.chevron_right, color: Colors.grey[400]),
       onTap: () {
-        Navigator.push(
-          context,
-          MaterialPageRoute(builder: (context) => const WidgetsPage()),
+        // 显示对话框提示鸿蒙设备设置方法
+        showDialog(
+          context: context,
+          builder: (BuildContext context) {
+            return AlertDialog(
+              title: Row(
+                children: [
+                  Icon(Icons.info_outline, color: AppConstants.primaryColor),
+                  const SizedBox(width: 8),
+                  const Text('桌面卡片设置'),
+                ],
+              ),
+              content: const Column(
+                mainAxisSize: MainAxisSize.min,
+                crossAxisAlignment: CrossAxisAlignment.start,
+                children: [
+                  Text(
+                    '鸿蒙设备请在桌面端设置：',
+                    style: TextStyle(fontWeight: FontWeight.bold),
+                  ),
+                  SizedBox(height: 8),
+                  Text('1. 长按桌面空白处'),
+                  Text('2. 选择「情景诗词」卡片'),
+                  Text('3. 添加后点击桌面卡片即可设置'),
+                  SizedBox(height: 12),
+                  Text(
+                    '注意：该页面设置对鸿蒙设备不生效',
+                    style: TextStyle(color: Colors.orange, fontSize: 12),
+                  ),
+                ],
+              ),
+              actions: [
+                TextButton(
+                  onPressed: () => Navigator.of(context).pop(),
+                  child: const Text('取消'),
+                ),
+                ElevatedButton(
+                  onPressed: () {
+                    Navigator.of(context).pop();
+                    Navigator.push(
+                      context,
+                      MaterialPageRoute(
+                        builder: (context) => const WidgetsPage(),
+                      ),
+                    );
+                  },
+                  style: ElevatedButton.styleFrom(
+                    backgroundColor: AppConstants.primaryColor,
+                    foregroundColor: Colors.white,
+                  ),
+                  child: const Text('仍要进入'),
+                ),
+              ],
+            );
+          },
         );
       },
     );