diff --git a/wallpaper/lib/WallPaperApp.dart b/wallpaper/lib/WallPaperApp.dart
index bc554bd..175d21c 100644
--- a/wallpaper/lib/WallPaperApp.dart
+++ b/wallpaper/lib/WallPaperApp.dart
@@ -1,3 +1,5 @@
+import 'dart:ui';
+
 import 'package:flutter/cupertino.dart';
 import 'package:flutter/material.dart';
 import 'package:flutter/widgets.dart';
@@ -54,6 +56,21 @@ class _RootWidgetState extends State<RootWidget> {
               debugShowCheckedModeBanner: false,
               theme: ThemeData.light(useMaterial3: true).copyWith(
                 primaryColor: Colors.blue,
+                bottomNavigationBarTheme: const BottomNavigationBarThemeData(
+                  backgroundColor: Colors.black,
+                  unselectedItemColor:Colors.grey,
+                  selectedItemColor: Colors.white,
+                  showSelectedLabels: false,
+                  showUnselectedLabels: false,
+                ),
+                appBarTheme: const AppBarTheme(
+                  backgroundColor: Colors.black,
+                  titleTextStyle: TextStyle(
+                    color: Colors.white,
+                    fontSize: 18,
+                  ),
+                  foregroundColor:Colors.white
+                )
               ),
               themeMode: ThemeMode.light,
               getPages: AppRoutes.routes,
diff --git a/wallpaper/lib/pages/downloadpage/downloadpage_view.dart b/wallpaper/lib/pages/downloadpage/downloadpage_view.dart
index 989c793..73c1782 100644
--- a/wallpaper/lib/pages/downloadpage/downloadpage_view.dart
+++ b/wallpaper/lib/pages/downloadpage/downloadpage_view.dart
@@ -13,6 +13,7 @@ class DownloadPageView extends GetView<DownloadPageController> {
     final Widget bodyView = getBodyWidget();
     return Scaffold(
       appBar: AppBar(
+        centerTitle: true,
         title: const Text("下载"),
       ),
       body:  bodyView,
diff --git a/wallpaper/lib/pages/imgcategorypage/imgcategorypage_view.dart b/wallpaper/lib/pages/imgcategorypage/imgcategorypage_view.dart
index 5d13e54..6bb450b 100644
--- a/wallpaper/lib/pages/imgcategorypage/imgcategorypage_view.dart
+++ b/wallpaper/lib/pages/imgcategorypage/imgcategorypage_view.dart
@@ -20,6 +20,9 @@ class ImgCategoryPageView extends GetView<ImgCategoryPageController> {
     return Scaffold(
       appBar: AppBar(
         title:  Obx(() => Text(controller.stitle.value)) ,
+        centerTitle: true,
+        // backgroundColor: Colors.transparent,
+        // foregroundColor: Colors.white,
       ),
       body:  bodyView ,
     );
diff --git a/wallpaper/lib/pages/mypage/mypage_view.dart b/wallpaper/lib/pages/mypage/mypage_view.dart
index d2ee20c..d95a10d 100644
--- a/wallpaper/lib/pages/mypage/mypage_view.dart
+++ b/wallpaper/lib/pages/mypage/mypage_view.dart
@@ -9,6 +9,7 @@ class MyPageView extends GetView {
     const title = '我的';
     return Scaffold(
         appBar: AppBar(
+          centerTitle: true,
           title: const Text(title),
         ),
         body: ListView(
diff --git a/wallpaper/lib/pages/tabarpage/tabarpage_view.dart b/wallpaper/lib/pages/tabarpage/tabarpage_view.dart
index 041b14c..e0fbaa9 100644
--- a/wallpaper/lib/pages/tabarpage/tabarpage_view.dart
+++ b/wallpaper/lib/pages/tabarpage/tabarpage_view.dart
@@ -18,8 +18,7 @@ class TabbarPageView extends GetView  <TabbarPageController>{
     return Scaffold(
       bottomNavigationBar:Obx(() => BottomNavigationBar(
         items: listBarItems,
-        unselectedItemColor:Colors.grey,
-        selectedItemColor: Colors.orange,
+        iconSize: 30,
         type: BottomNavigationBarType.fixed,
         selectedFontSize: 14,
         unselectedFontSize: 14,