diff --git a/animation_exp/lib/main.dart b/animation_exp/lib/main.dart
index 22f7b67..1ce4382 100644
--- a/animation_exp/lib/main.dart
+++ b/animation_exp/lib/main.dart
@@ -1,21 +1,18 @@
 import 'package:animation_exp/SwipeAnimation/index.dart';
 import 'package:flutter/material.dart';
 
-void main() => runApp(new MyApp());
+void main() => runApp(const MyApp());
 
 class MyApp extends StatelessWidget {
   @override
   Widget build(BuildContext context) {
-    return new MaterialApp(
+    return MaterialApp(
+      debugShowCheckedModeBanner: false,
       title: 'Flutter Demo',
-      // showPerformanceOverlay: true,
-      theme: new ThemeData(
+      theme: ThemeData(
         primarySwatch: Colors.blue,
       ),
-      // home: new PageMain(),
-      home: new CardDemo(),
-      //home: BottomNavigationDemo(),
-      // home:new exp(),
+      home: CardDemo(),
     );
   }
 }