diff --git a/lib/screens/AppScreen.dart b/lib/screens/AppScreen.dart
index 3844e7f..da973cd 100644
--- a/lib/screens/AppScreen.dart
+++ b/lib/screens/AppScreen.dart
@@ -31,9 +31,9 @@ class _AppScreenState extends State<AppScreen> {
     setState(() {});
   }
 
-  static const List<Widget> _widgetOptions = <Widget>[
-    const CategoriesScreen(),
-    const SpaceScreen(),
+  static List<Widget> _widgetOptions = <Widget>[
+    CategoriesScreen(),
+    SpaceScreen(),
   ];
 
   late int _selectedIndex = 0;
diff --git a/lib/screens/CategoriesScreen.dart b/lib/screens/CategoriesScreen.dart
index 9ec3323..9e55d7e 100644
--- a/lib/screens/CategoriesScreen.dart
+++ b/lib/screens/CategoriesScreen.dart
@@ -92,6 +92,7 @@ class _CategoriesScreenState extends State<CategoriesScreen>
 
   @override
   Widget build(BuildContext context) {
+    super.build(context);
     var theme = Theme.of(context);
     var themeBackground = theme.scaffoldBackgroundColor;
     var shadeBackground = Color.fromARGB(
diff --git a/lib/screens/SpaceScreen.dart b/lib/screens/SpaceScreen.dart
index 9dda868..bd464df 100644
--- a/lib/screens/SpaceScreen.dart
+++ b/lib/screens/SpaceScreen.dart
@@ -44,6 +44,7 @@ class _SpaceScreenState extends State<SpaceScreen>
 
   @override
   Widget build(BuildContext context) {
+    super.build(context);
     return Scaffold(
       appBar: AppBar(
         title: Text('我的'),