diff --git a/lib/base/base_state_widget.dart b/lib/base/base_state_widget.dart
new file mode 100644
index 0000000..8e3f53c
--- /dev/null
+++ b/lib/base/base_state_widget.dart
@@ -0,0 +1,84 @@
+import 'package:flutter/cupertino.dart';
+import 'package:flutter_riverpod/flutter_riverpod.dart';
+import 'base_viewmodel.dart';
+
+class BaseStateWidget<T extends BaseViewModel> extends ConsumerStatefulWidget {
+  final Widget Function(BuildContext context, T value, Widget? child) builder;
+  final ProviderBase<T> model;
+  final Widget? child;
+  final Function(T)? onReady;
+
+  const BaseStateWidget({
+    Key? key,
+    required this.builder,
+    required this.model,
+    this.child,
+    this.onReady,
+  }) : super(key: key);
+
+  @override
+  _BaseStateWidgetState<T> createState() => _BaseStateWidgetState<T>();
+}
+
+class _BaseStateWidgetState<T extends BaseViewModel> extends ConsumerState<BaseStateWidget<T>> {
+  @override
+  void initState() {
+    super.initState();
+    if (widget.onReady != null) {
+      widget.onReady!(ref.read<T>(widget.model));
+    }
+  }
+
+  @override
+  Widget build(BuildContext context) {
+    var viewModel = ref.watch<T>(widget.model);
+    if (viewModel.currentState == PageState.CONTENT) {
+      return widget.builder(context, viewModel, widget.child);
+    }
+
+    if (viewModel.currentState == PageState.LOADING) {
+      return Container(
+        alignment: Alignment.center,
+        child: const CupertinoActivityIndicator(),
+      );
+    }
+
+    if (viewModel.currentState == PageState.FAILED) {
+      return Container(
+        alignment: Alignment.center,
+        child: Text("请求失败"),
+      );
+    }
+
+    if (viewModel.currentState == PageState.EMPTY) {
+      return Container(
+        alignment: Alignment.center,
+        child: Text("暂无数据"),
+      );
+    }
+
+    return Container();
+  }
+}
+
+abstract class BaseState<T extends StatefulWidget> extends State {
+  late T parent;
+
+  @override
+  void initState() {
+    parent = widget as T;
+    super.initState();
+    WidgetsBinding.instance?.endOfFrame.then((_) {
+      firstFrameCalled();
+    });
+  }
+
+  void firstFrameCalled() {}
+
+  @override
+  Widget build(BuildContext context) {
+    return buildWidgets(context);
+  }
+
+  Widget buildWidgets(BuildContext context);
+}
diff --git a/lib/base/base_viewmodel.dart b/lib/base/base_viewmodel.dart
new file mode 100644
index 0000000..94c861a
--- /dev/null
+++ b/lib/base/base_viewmodel.dart
@@ -0,0 +1,41 @@
+import 'package:flutter/cupertino.dart';
+
+class BaseViewModel extends ChangeNotifier {
+  PageState currentState = PageState.START;
+
+  void loading({bool notify = false}) {
+    currentState = PageState.LOADING;
+    if (notify) {
+      notifyListeners();
+    }
+  }
+
+  void success({bool notify = true}) {
+    currentState = PageState.CONTENT;
+    if (notify) {
+      notifyListeners();
+    }
+  }
+
+  void failed({bool notify = false}) {
+    currentState = PageState.FAILED;
+    if (notify) {
+      notifyListeners();
+    }
+  }
+
+  void empty({bool notify = false}) {
+    currentState = PageState.EMPTY;
+    if (notify) {
+      notifyListeners();
+    }
+  }
+}
+
+enum PageState {
+  START,
+  LOADING,
+  EMPTY,
+  CONTENT,
+  FAILED,
+}
diff --git a/lib/base/ql_app_bar.dart b/lib/base/ql_app_bar.dart
new file mode 100644
index 0000000..55fe1da
--- /dev/null
+++ b/lib/base/ql_app_bar.dart
@@ -0,0 +1,48 @@
+import 'package:flutter/cupertino.dart';
+import 'package:flutter/material.dart';
+
+class QlAppBar extends StatelessWidget with PreferredSizeWidget {
+  final String title;
+  final List<Widget>? actions;
+  final VoidCallback? backCall;
+  final bool canBack;
+  final Widget? backWidget;
+
+  QlAppBar({
+    Key? key,
+    required this.title,
+    this.actions,
+    this.backCall,
+    this.canBack = true,
+    this.backWidget,
+  }) : super(key: key);
+
+  @override
+  Widget build(BuildContext context) {
+    Widget back = backWidget ??
+        GestureDetector(
+          onTap: () {
+            if (backCall != null) {
+              backCall!();
+            }
+          },
+          child: const Center(
+            child: Icon(
+              CupertinoIcons.left_chevron,
+              size: 20,
+            ),
+          ),
+        );
+
+    return AppBar(
+      leading: canBack ? back : null,
+      automaticallyImplyLeading: canBack,
+      title: Text(title),
+      centerTitle: true,
+      actions: [...?actions],
+    );
+  }
+
+  @override
+  Size get preferredSize => const Size.fromHeight(kToolbarHeight);
+}
diff --git a/lib/base/theme.dart b/lib/base/theme.dart
new file mode 100644
index 0000000..3847e56
--- /dev/null
+++ b/lib/base/theme.dart
@@ -0,0 +1,20 @@
+import 'package:flutter/material.dart';
+import 'package:flutter_riverpod/flutter_riverpod.dart';
+
+var themeProvider = ChangeNotifierProvider((ref) => ThemeViewModel());
+
+class ThemeViewModel extends ChangeNotifier {
+  ThemeData currentTheme = lightTheme;
+
+  void changeTheme() {
+    if (currentTheme == darkTheme) {
+      currentTheme = lightTheme;
+    } else {
+      currentTheme = darkTheme;
+    }
+    notifyListeners();
+  }
+}
+
+ThemeData darkTheme = ThemeData.dark().copyWith();
+ThemeData lightTheme = ThemeData.light().copyWith();
diff --git a/lib/main.dart b/lib/main.dart
index 202509b..60448c8 100644
--- a/lib/main.dart
+++ b/lib/main.dart
@@ -1,115 +1,35 @@
+import 'dart:io';
+
 import 'package:flutter/material.dart';
+import 'package:flutter/services.dart';
+import 'package:flutter_riverpod/flutter_riverpod.dart';
+import 'package:qinglong_app/base/theme.dart';
+
+import 'module/home/home_page.dart';
 
 void main() {
-  runApp(const MyApp());
+  runApp(
+    ProviderScope(
+      overrides: [
+        themeProvider,
+      ],
+      child: const MyApp(),
+    ),
+  );
+  if (Platform.isAndroid) {
+    SystemUiOverlayStyle style = const SystemUiOverlayStyle(statusBarColor: Colors.transparent);
+    SystemChrome.setSystemUIOverlayStyle(style);
+  }
 }
 
-class MyApp extends StatelessWidget {
+class MyApp extends ConsumerWidget {
   const MyApp({Key? key}) : super(key: key);
 
-  // This widget is the root of your application.
   @override
-  Widget build(BuildContext context) {
+  Widget build(BuildContext context, WidgetRef ref) {
     return MaterialApp(
-      title: 'Flutter Demo',
-      theme: ThemeData(
-        // This is the theme of your application.
-        //
-        // Try running your application with "flutter run". You'll see the
-        // application has a blue toolbar. Then, without quitting the app, try
-        // changing the primarySwatch below to Colors.green and then invoke
-        // "hot reload" (press "r" in the console where you ran "flutter run",
-        // or simply save your changes to "hot reload" in a Flutter IDE).
-        // Notice that the counter didn't reset back to zero; the application
-        // is not restarted.
-        primarySwatch: Colors.blue,
-      ),
-      home: const MyHomePage(title: 'Flutter Demo Home Page'),
-    );
-  }
-}
-
-class MyHomePage extends StatefulWidget {
-  const MyHomePage({Key? key, required this.title}) : super(key: key);
-
-  // This widget is the home page of your application. It is stateful, meaning
-  // that it has a State object (defined below) that contains fields that affect
-  // how it looks.
-
-  // This class is the configuration for the state. It holds the values (in this
-  // case the title) provided by the parent (in this case the App widget) and
-  // used by the build method of the State. Fields in a Widget subclass are
-  // always marked "final".
-
-  final String title;
-
-  @override
-  State<MyHomePage> createState() => _MyHomePageState();
-}
-
-class _MyHomePageState extends State<MyHomePage> {
-  int _counter = 0;
-
-  void _incrementCounter() {
-    setState(() {
-      // This call to setState tells the Flutter framework that something has
-      // changed in this State, which causes it to rerun the build method below
-      // so that the display can reflect the updated values. If we changed
-      // _counter without calling setState(), then the build method would not be
-      // called again, and so nothing would appear to happen.
-      _counter++;
-    });
-  }
-
-  @override
-  Widget build(BuildContext context) {
-    // This method is rerun every time setState is called, for instance as done
-    // by the _incrementCounter method above.
-    //
-    // The Flutter framework has been optimized to make rerunning build methods
-    // fast, so that you can just rebuild anything that needs updating rather
-    // than having to individually change instances of widgets.
-    return Scaffold(
-      appBar: AppBar(
-        // Here we take the value from the MyHomePage object that was created by
-        // the App.build method, and use it to set our appbar title.
-        title: Text(widget.title),
-      ),
-      body: Center(
-        // Center is a layout widget. It takes a single child and positions it
-        // in the middle of the parent.
-        child: Column(
-          // Column is also a layout widget. It takes a list of children and
-          // arranges them vertically. By default, it sizes itself to fit its
-          // children horizontally, and tries to be as tall as its parent.
-          //
-          // Invoke "debug painting" (press "p" in the console, choose the
-          // "Toggle Debug Paint" action from the Flutter Inspector in Android
-          // Studio, or the "Toggle Debug Paint" command in Visual Studio Code)
-          // to see the wireframe for each widget.
-          //
-          // Column has various properties to control how it sizes itself and
-          // how it positions its children. Here we use mainAxisAlignment to
-          // center the children vertically; the main axis here is the vertical
-          // axis because Columns are vertical (the cross axis would be
-          // horizontal).
-          mainAxisAlignment: MainAxisAlignment.center,
-          children: <Widget>[
-            const Text(
-              'You have pushed the button this many times:',
-            ),
-            Text(
-              '$_counter',
-              style: Theme.of(context).textTheme.headline4,
-            ),
-          ],
-        ),
-      ),
-      floatingActionButton: FloatingActionButton(
-        onPressed: _incrementCounter,
-        tooltip: 'Increment',
-        child: const Icon(Icons.add),
-      ), // This trailing comma makes auto-formatting nicer for build methods.
+      theme: ref.watch<ThemeViewModel>(themeProvider).currentTheme,
+      home: HomePage(),
     );
   }
 }
diff --git a/lib/module/a.dart b/lib/module/a.dart
new file mode 100644
index 0000000..e69de29
diff --git a/lib/module/config/config_page.dart b/lib/module/config/config_page.dart
new file mode 100644
index 0000000..756ff7a
--- /dev/null
+++ b/lib/module/config/config_page.dart
@@ -0,0 +1,15 @@
+import 'package:flutter/material.dart';
+
+class ConfigPage extends StatefulWidget {
+  const ConfigPage({Key? key}) : super(key: key);
+
+  @override
+  _ConfigPageState createState() => _ConfigPageState();
+}
+
+class _ConfigPageState extends State<ConfigPage> {
+  @override
+  Widget build(BuildContext context) {
+    return Scaffold();
+  }
+}
diff --git a/lib/module/env/env_page.dart b/lib/module/env/env_page.dart
new file mode 100644
index 0000000..f6e0592
--- /dev/null
+++ b/lib/module/env/env_page.dart
@@ -0,0 +1,16 @@
+
+import 'package:flutter/material.dart';
+
+class EnvPage extends StatefulWidget {
+  const EnvPage({Key? key}) : super(key: key);
+
+  @override
+  _EnvPageState createState() => _EnvPageState();
+}
+
+class _EnvPageState extends State<EnvPage> {
+  @override
+  Widget build(BuildContext context) {
+    return Scaffold();
+  }
+}
diff --git a/lib/module/home/home_page.dart b/lib/module/home/home_page.dart
new file mode 100644
index 0000000..c81dc21
--- /dev/null
+++ b/lib/module/home/home_page.dart
@@ -0,0 +1,117 @@
+import 'package:flutter/cupertino.dart';
+import 'package:flutter/material.dart';
+import 'package:flutter_riverpod/flutter_riverpod.dart';
+import 'package:qinglong_app/base/ql_app_bar.dart';
+import 'package:qinglong_app/base/theme.dart';
+import 'package:qinglong_app/module/config/config_page.dart';
+import 'package:qinglong_app/module/env/env_page.dart';
+import 'package:qinglong_app/module/others/other_page.dart';
+import 'package:qinglong_app/module/task/task_page.dart';
+
+class HomePage extends StatefulWidget {
+  const HomePage({Key? key}) : super(key: key);
+
+  @override
+  _HomePageState createState() => _HomePageState();
+}
+
+class _HomePageState extends State<HomePage> {
+  int _index = 0;
+  String _title = "";
+
+  List<IndexBean> titles = [];
+
+  @override
+  void initState() {
+    initTitles();
+    _title = titles[0].title;
+    super.initState();
+  }
+
+  @override
+  Widget build(BuildContext context) {
+    return Scaffold(
+      appBar: QlAppBar(
+        canBack: false,
+        title: _title,
+        actions: [
+          Consumer(builder: (context, ref, child) {
+            return InkWell(
+              onTap: () {
+                ref.read(themeProvider).changeTheme();
+              },
+              child: Center(child: Text("改变主题")),
+            );
+          }),
+        ],
+      ),
+      body: IndexedStack(
+        index: _index,
+        children: const [
+          TaskPage(),
+          EnvPage(),
+          ConfigPage(),
+          OtherPage(),
+        ],
+      ),
+      bottomNavigationBar: BottomNavigationBar(
+        items: titles
+            .map(
+              (e) => BottomNavigationBarItem(
+                icon: Icon(e.icon),
+                activeIcon: Icon(e.checkedIcon),
+                label: e.title,
+              ),
+            )
+            .toList(),
+        currentIndex: _index,
+        onTap: (index) {
+          _index = index;
+          _title = titles[index].title;
+          setState(() {});
+        },
+        type: BottomNavigationBarType.fixed,
+      ),
+    );
+  }
+
+  void initTitles() {
+    titles.clear();
+    titles.add(
+      IndexBean(
+        CupertinoIcons.timer,
+        CupertinoIcons.timer_fill,
+        "定时任务",
+      ),
+    );
+    titles.add(
+      IndexBean(
+        CupertinoIcons.hammer,
+        CupertinoIcons.hammer_fill,
+        "环境变量",
+      ),
+    );
+    titles.add(
+      IndexBean(
+        CupertinoIcons.settings,
+        CupertinoIcons.settings_solid,
+        "配置文件",
+      ),
+    );
+    titles.add(
+      IndexBean(
+        CupertinoIcons.cube,
+        CupertinoIcons.cube_fill,
+        "其他",
+      ),
+    );
+  }
+}
+
+class IndexBean {
+  IconData icon;
+  IconData checkedIcon;
+  String title;
+
+  IndexBean(this.icon, this.checkedIcon, this.title);
+}
diff --git a/lib/module/others/other_page.dart b/lib/module/others/other_page.dart
new file mode 100644
index 0000000..eaceb0a
--- /dev/null
+++ b/lib/module/others/other_page.dart
@@ -0,0 +1,15 @@
+import 'package:flutter/material.dart';
+
+class OtherPage extends StatefulWidget {
+  const OtherPage({Key? key}) : super(key: key);
+
+  @override
+  _OtherPageState createState() => _OtherPageState();
+}
+
+class _OtherPageState extends State<OtherPage> {
+  @override
+  Widget build(BuildContext context) {
+    return Scaffold();
+  }
+}
diff --git a/lib/module/task/task_page.dart b/lib/module/task/task_page.dart
new file mode 100644
index 0000000..7db28a6
--- /dev/null
+++ b/lib/module/task/task_page.dart
@@ -0,0 +1,33 @@
+import 'package:flutter/material.dart';
+import 'package:flutter_riverpod/flutter_riverpod.dart';
+import 'package:qinglong_app/base/base_state_widget.dart';
+import 'package:qinglong_app/module/task/task_viewmodel.dart';
+
+class TaskPage extends StatefulWidget {
+  const TaskPage({Key? key}) : super(key: key);
+
+  @override
+  _TaskPageState createState() => _TaskPageState();
+}
+
+class _TaskPageState extends State<TaskPage> {
+  @override
+  Widget build(BuildContext context) {
+    return BaseStateWidget<TaskViewModel>(
+      builder: (context, model, child) {
+        return ListView.builder(
+          itemBuilder: (context, index) {
+            return ListTile(
+              title: Text(model.list[index]),
+            );
+          },
+          itemCount: model.list.length,
+        );
+      },
+      model: taskProvider,
+      onReady: (viewModel) {
+        viewModel.loadData();
+      },
+    );
+  }
+}
diff --git a/lib/module/task/task_viewmodel.dart b/lib/module/task/task_viewmodel.dart
new file mode 100644
index 0000000..3f63da5
--- /dev/null
+++ b/lib/module/task/task_viewmodel.dart
@@ -0,0 +1,31 @@
+import 'package:flutter_riverpod/flutter_riverpod.dart';
+import 'package:qinglong_app/base/base_viewmodel.dart';
+
+var taskProvider = ChangeNotifierProvider((ref) => TaskViewModel());
+
+class TaskViewModel extends BaseViewModel {
+  List<String> list = [];
+
+  void loadData() {
+    loading(notify: true);
+
+    Future.delayed(Duration(seconds: 2), () {
+      list.add("sdfsf");
+      list.add("sdfsf");
+      list.add("sdfsf");
+      list.add("sdfsf");
+      list.add("sdfsf");
+      list.add("sdfsf");
+      list.add("sdfsf");
+      list.add("sdfsf");
+      list.add("sdfsf");
+      list.add("sdfsf");
+      list.add("sdfsf");
+      list.add("sdfsf");
+      list.add("sdfsf");
+      list.add("sdfsf");
+      list.add("sdfsf");
+      success();
+    });
+  }
+}
diff --git a/lib/utils/sp_utils.dart b/lib/utils/sp_utils.dart
new file mode 100644
index 0000000..4cd854f
--- /dev/null
+++ b/lib/utils/sp_utils.dart
@@ -0,0 +1,171 @@
+import 'package:shared_preferences/shared_preferences.dart';
+import 'dart:async';
+import 'dart:convert';
+import 'package:synchronized/synchronized.dart';
+
+class SpUtil {
+  static SpUtil? _singleton;
+  static SharedPreferences? _prefs;
+  static Lock _lock = Lock();
+
+  static Future<SpUtil> getInstance() async {
+    if (_singleton == null) {
+      await _lock.synchronized(() async {
+        if (_singleton == null) {
+          var singleton = SpUtil._();
+          await singleton._init();
+          _singleton = singleton;
+        }
+      });
+    }
+    return _singleton!;
+  }
+
+  SpUtil._();
+
+  Future _init() async {
+    _prefs = await SharedPreferences.getInstance();
+  }
+
+  /// put object.
+  static Future<bool>? putObject(String key, Object value) {
+    if (_prefs == null) return null;
+    return _prefs!.setString(key, json.encode(value));
+  }
+
+  /// get obj.
+  static T? getObj<T>(String key, T f(Map v), {T? defValue}) {
+    Map? map = getObject(key);
+    return map == null ? defValue : f(map);
+  }
+
+  /// get object.
+  static Map? getObject(String key) {
+    if (_prefs == null) return null;
+    String? _data = _prefs!.getString(key);
+    return (_data == null || _data.isEmpty) ? null : json.decode(_data);
+  }
+
+  /// put object list.
+  static Future<bool>? putObjectList(String key, List<Object> list) {
+    if (_prefs == null) return null;
+    List<String> _dataList = list.map((value) {
+      return json.encode(value);
+    }).toList();
+    return _prefs!.setStringList(key, _dataList);
+  }
+
+  /// get obj list.
+  static List<T>? getObjList<T>(String key, T f(Map v), {List<T> defValue = const []}) {
+    List<Map>? dataList = getObjectList(key);
+    List<T>? list = dataList?.map((value) {
+      return f(value);
+    }).toList();
+    return list ?? defValue;
+  }
+
+  /// get object list.
+  static List<Map>? getObjectList(String key) {
+    if (_prefs == null) return null;
+    List<String>? dataLis = _prefs!.getStringList(key);
+    return dataLis?.map((value) {
+      Map _dataMap = json.decode(value);
+      return _dataMap;
+    }).toList();
+  }
+
+  /// get string.
+  static String getString(String key, {String defValue = ''}) {
+    if (_prefs == null) return defValue;
+    return _prefs!.getString(key) ?? defValue;
+  }
+
+  /// put string.
+  static Future<bool>? putString(String key, String value) {
+    if (_prefs == null) return null;
+    return _prefs!.setString(key, value);
+  }
+
+  /// get bool.
+  static bool getBool(String key, {bool defValue = false}) {
+    if (_prefs == null) return defValue;
+    return _prefs!.getBool(key) ?? defValue;
+  }
+
+  /// put bool.
+  static Future<bool>? putBool(String key, bool value) {
+    if (_prefs == null) return null;
+    return _prefs!.setBool(key, value);
+  }
+
+  /// get int.
+  static int getInt(String key, {int defValue = 0}) {
+    if (_prefs == null) return defValue;
+    return _prefs!.getInt(key) ?? defValue;
+  }
+
+  /// put int.
+  static Future<bool>? putInt(String key, int value) {
+    if (_prefs == null) return null;
+    return _prefs!.setInt(key, value);
+  }
+
+  /// get double.
+  static double getDouble(String key, {double defValue = 0.0}) {
+    if (_prefs == null) return defValue;
+    return _prefs!.getDouble(key) ?? defValue;
+  }
+
+  /// put double.
+  static Future<bool>? putDouble(String key, double value) {
+    if (_prefs == null) return null;
+    return _prefs!.setDouble(key, value);
+  }
+
+  /// get string list.
+  static List<String> getStringList(String key, {List<String> defValue = const []}) {
+    if (_prefs == null) return defValue;
+    return _prefs!.getStringList(key) ?? defValue;
+  }
+
+  /// put string list.
+  static Future<bool>? putStringList(String key, List<String> value) {
+    if (_prefs == null) return null;
+    return _prefs!.setStringList(key, value);
+  }
+
+  /// get dynamic.
+  static dynamic getDynamic(String key, {Object? defValue}) {
+    if (_prefs == null) return defValue;
+    return _prefs!.get(key) ?? defValue;
+  }
+
+  /// have key.
+  static bool haveKey(String key) {
+    if (_prefs == null) return false;
+    return _prefs!.getKeys().contains(key);
+  }
+
+  /// get keys.
+  static Set<String>? getKeys() {
+    if (_prefs == null) return null;
+    return _prefs!.getKeys();
+  }
+
+  /// remove.
+  static Future<bool>? remove(String key) {
+    if (_prefs == null) return null;
+    return _prefs!.remove(key);
+  }
+
+  /// clear.
+  static Future<bool>? clear() {
+    if (_prefs == null) return null;
+    return _prefs!.clear();
+  }
+
+  ///Sp is initialized.
+  static bool isInitialized() {
+    return _prefs != null;
+  }
+}
\ No newline at end of file
diff --git a/pubspec.lock b/pubspec.lock
index df800d5..ba7941b 100644
--- a/pubspec.lock
+++ b/pubspec.lock
@@ -57,6 +57,20 @@ packages:
       url: "https://pub.flutter-io.cn"
     source: hosted
     version: "1.2.0"
+  ffi:
+    dependency: transitive
+    description:
+      name: ffi
+      url: "https://pub.flutter-io.cn"
+    source: hosted
+    version: "1.1.2"
+  file:
+    dependency: transitive
+    description:
+      name: file
+      url: "https://pub.flutter-io.cn"
+    source: hosted
+    version: "6.1.2"
   flutter:
     dependency: "direct main"
     description: flutter
@@ -69,11 +83,30 @@ packages:
       url: "https://pub.flutter-io.cn"
     source: hosted
     version: "1.0.4"
+  flutter_riverpod:
+    dependency: "direct main"
+    description:
+      name: flutter_riverpod
+      url: "https://pub.flutter-io.cn"
+    source: hosted
+    version: "1.0.3"
   flutter_test:
     dependency: "direct dev"
     description: flutter
     source: sdk
     version: "0.0.0"
+  flutter_web_plugins:
+    dependency: transitive
+    description: flutter
+    source: sdk
+    version: "0.0.0"
+  js:
+    dependency: transitive
+    description:
+      name: js
+      url: "https://pub.flutter-io.cn"
+    source: hosted
+    version: "0.6.3"
   lints:
     dependency: transitive
     description:
@@ -102,6 +135,111 @@ packages:
       url: "https://pub.flutter-io.cn"
     source: hosted
     version: "1.8.0"
+  path_provider_linux:
+    dependency: transitive
+    description:
+      name: path_provider_linux
+      url: "https://pub.flutter-io.cn"
+    source: hosted
+    version: "2.1.5"
+  path_provider_platform_interface:
+    dependency: transitive
+    description:
+      name: path_provider_platform_interface
+      url: "https://pub.flutter-io.cn"
+    source: hosted
+    version: "2.0.3"
+  path_provider_windows:
+    dependency: transitive
+    description:
+      name: path_provider_windows
+      url: "https://pub.flutter-io.cn"
+    source: hosted
+    version: "2.0.5"
+  platform:
+    dependency: transitive
+    description:
+      name: platform
+      url: "https://pub.flutter-io.cn"
+    source: hosted
+    version: "3.1.0"
+  plugin_platform_interface:
+    dependency: transitive
+    description:
+      name: plugin_platform_interface
+      url: "https://pub.flutter-io.cn"
+    source: hosted
+    version: "2.1.2"
+  process:
+    dependency: transitive
+    description:
+      name: process
+      url: "https://pub.flutter-io.cn"
+    source: hosted
+    version: "4.2.4"
+  riverpod:
+    dependency: transitive
+    description:
+      name: riverpod
+      url: "https://pub.flutter-io.cn"
+    source: hosted
+    version: "1.0.3"
+  shared_preferences:
+    dependency: "direct main"
+    description:
+      name: shared_preferences
+      url: "https://pub.flutter-io.cn"
+    source: hosted
+    version: "2.0.12"
+  shared_preferences_android:
+    dependency: transitive
+    description:
+      name: shared_preferences_android
+      url: "https://pub.flutter-io.cn"
+    source: hosted
+    version: "2.0.10"
+  shared_preferences_ios:
+    dependency: transitive
+    description:
+      name: shared_preferences_ios
+      url: "https://pub.flutter-io.cn"
+    source: hosted
+    version: "2.0.9"
+  shared_preferences_linux:
+    dependency: transitive
+    description:
+      name: shared_preferences_linux
+      url: "https://pub.flutter-io.cn"
+    source: hosted
+    version: "2.0.4"
+  shared_preferences_macos:
+    dependency: transitive
+    description:
+      name: shared_preferences_macos
+      url: "https://pub.flutter-io.cn"
+    source: hosted
+    version: "2.0.2"
+  shared_preferences_platform_interface:
+    dependency: transitive
+    description:
+      name: shared_preferences_platform_interface
+      url: "https://pub.flutter-io.cn"
+    source: hosted
+    version: "2.0.0"
+  shared_preferences_web:
+    dependency: transitive
+    description:
+      name: shared_preferences_web
+      url: "https://pub.flutter-io.cn"
+    source: hosted
+    version: "2.0.3"
+  shared_preferences_windows:
+    dependency: transitive
+    description:
+      name: shared_preferences_windows
+      url: "https://pub.flutter-io.cn"
+    source: hosted
+    version: "2.0.4"
   sky_engine:
     dependency: transitive
     description: flutter
@@ -121,6 +259,13 @@ packages:
       url: "https://pub.flutter-io.cn"
     source: hosted
     version: "1.10.0"
+  state_notifier:
+    dependency: transitive
+    description:
+      name: state_notifier
+      url: "https://pub.flutter-io.cn"
+    source: hosted
+    version: "0.7.1"
   stream_channel:
     dependency: transitive
     description:
@@ -135,6 +280,13 @@ packages:
       url: "https://pub.flutter-io.cn"
     source: hosted
     version: "1.1.0"
+  synchronized:
+    dependency: "direct main"
+    description:
+      name: synchronized
+      url: "https://pub.flutter-io.cn"
+    source: hosted
+    version: "3.0.0"
   term_glyph:
     dependency: transitive
     description:
@@ -163,5 +315,20 @@ packages:
       url: "https://pub.flutter-io.cn"
     source: hosted
     version: "2.1.1"
+  win32:
+    dependency: transitive
+    description:
+      name: win32
+      url: "https://pub.flutter-io.cn"
+    source: hosted
+    version: "2.3.3"
+  xdg_directories:
+    dependency: transitive
+    description:
+      name: xdg_directories
+      url: "https://pub.flutter-io.cn"
+    source: hosted
+    version: "0.2.0"
 sdks:
   dart: ">=2.15.1 <3.0.0"
+  flutter: ">=2.5.0"
diff --git a/pubspec.yaml b/pubspec.yaml
index ef4bb91..2cca50a 100644
--- a/pubspec.yaml
+++ b/pubspec.yaml
@@ -1,55 +1,28 @@
 name: qinglong_app
 description: A new Flutter project.
-
-# The following line prevents the package from being accidentally published to
-# pub.dev using `flutter pub publish`. This is preferred for private packages.
 publish_to: 'none' # Remove this line if you wish to publish to pub.dev
-
-# The following defines the version and build number for your application.
-# A version number is three numbers separated by dots, like 1.2.43
-# followed by an optional build number separated by a +.
-# Both the version and the builder number may be overridden in flutter
-# build by specifying --build-name and --build-number, respectively.
-# In Android, build-name is used as versionName while build-number used as versionCode.
-# Read more about Android versioning at https://developer.android.com/studio/publish/versioning
-# In iOS, build-name is used as CFBundleShortVersionString while build-number used as CFBundleVersion.
-# Read more about iOS versioning at
-# https://developer.apple.com/library/archive/documentation/General/Reference/InfoPlistKeyReference/Articles/CoreFoundationKeys.html
 version: 1.0.0+1
 
 environment:
   sdk: ">=2.15.1 <3.0.0"
 
-# Dependencies specify other packages that your package needs in order to work.
-# To automatically upgrade your package dependencies to the latest versions
-# consider running `flutter pub upgrade --major-versions`. Alternatively,
-# dependencies can be manually updated by changing the version numbers below to
-# the latest version available on pub.dev. To see which dependencies have newer
-# versions available, run `flutter pub outdated`.
+
 dependencies:
   flutter:
     sdk: flutter
 
-
-  # The following adds the Cupertino Icons font to your application.
-  # Use with the CupertinoIcons class for iOS style icons.
   cupertino_icons: ^1.0.2
+  flutter_riverpod: ^1.0.3
+  shared_preferences: ^2.0.12
+  synchronized: ^3.0.0
 
 dev_dependencies:
   flutter_test:
     sdk: flutter
 
-  # The "flutter_lints" package below contains a set of recommended lints to
-  # encourage good coding practices. The lint set provided by the package is
-  # activated in the `analysis_options.yaml` file located at the root of your
-  # package. See that file for information about deactivating specific lint
-  # rules and activating additional ones.
+
   flutter_lints: ^1.0.0
 
-# For information on the generic Dart part of this file, see the
-# following page: https://dart.dev/tools/pub/pubspec
-
-# The following section is specific to Flutter.
 flutter:
 
   # The following line ensures that the Material Icons font is