diff --git a/lib/pages/profile_page.dart b/lib/pages/profile_page.dart
index 255867d..f79d7ba 100644
--- a/lib/pages/profile_page.dart
+++ b/lib/pages/profile_page.dart
@@ -618,14 +618,14 @@ class SettingsPage extends StatelessWidget {
       body: ListView(
         children: [
           // 使用说明
-          // _buildLinkItem(
-          //   context: context,
-          //   icon: Icons.help_outline,
-          //   title: '使用说明',
-          //   subtitle: '查看应用使用指南',
-          //   url: 'https://www.iletter.top/',
-          // ),
-          // const Divider(height: 0.5, indent: 24, endIndent: 24),
+          _buildLinkItem(
+            context: context,
+            icon: Icons.help_outline,
+            title: '使用说明',
+            subtitle: '查看应用使用指南',
+            url: 'https://mooknote.iletter.top/#/guide',
+          ),
+          const Divider(height: 0.5, indent: 24, endIndent: 24),
           
           // 关于作者
           _buildLinkItem(