feat:增加用户信息编辑功能

lib/views/moment_user.dart

@@ -33,11 +33,14 @@ class _MomentUserPageState extends State<MomentUserPage> {
     }
 
     return Scaffold(
+      backgroundColor: Colors.transparent,
       appBar: AppBar(
-        title: Text('我的朋友圈', style: const TextStyle(color: Colors.white)),
-        backgroundColor: Theme.of(context).colorScheme.primary,
+        backgroundColor: Theme.of(context).scaffoldBackgroundColor,
+        title: Text('我的朋友圈', style: Theme.of(context).textTheme.titleLarge),
+        centerTitle: true,
+        automaticallyImplyLeading: false,
         leading: IconButton(
-          icon: const Icon(Icons.arrow_back, color: Colors.white),
+          icon: const Icon(Icons.arrow_back),
           onPressed: () => Navigator.pop(context),
         ),
       ),