diff --git a/ios/Flutter/flutter_export_environment.sh b/ios/Flutter/flutter_export_environment.sh
index bf33d1da..7f2f3c40 100755
--- a/ios/Flutter/flutter_export_environment.sh
+++ b/ios/Flutter/flutter_export_environment.sh
@@ -2,10 +2,9 @@
 # This is a generated file; do not edit or check into version control.
 export "FLUTTER_ROOT=/Users/rainvisitor/development/flutter"
 export "FLUTTER_APPLICATION_PATH=/Users/rainvisitor/Documents/GitHub-NKUST-ITC/NKUST-AP-Flutter"
-export "FLUTTER_TARGET=/Users/rainvisitor/Documents/GitHub-NKUST-ITC/NKUST-AP-Flutter/lib/main.dart"
+export "FLUTTER_TARGET=lib/main.dart"
 export "FLUTTER_BUILD_DIR=build"
 export "SYMROOT=${SOURCE_ROOT}/../build/ios"
-export "FLUTTER_FRAMEWORK_DIR=/Users/rainvisitor/development/flutter/bin/cache/artifacts/engine/ios"
-export "FLUTTER_BUILD_NAME=3.2.9"
-export "FLUTTER_BUILD_NUMBER=30209"
-export "TRACK_WIDGET_CREATION=true"
+export "FLUTTER_FRAMEWORK_DIR=/Users/rainvisitor/development/flutter/bin/cache/artifacts/engine/ios-release"
+export "FLUTTER_BUILD_NAME=3.2.11"
+export "FLUTTER_BUILD_NUMBER=30211"
diff --git a/lib/api/helper.dart b/lib/api/helper.dart
index 15adcb95..89b9a9f6 100644
--- a/lib/api/helper.dart
+++ b/lib/api/helper.dart
@@ -24,7 +24,7 @@ import 'package:nkust_ap/utils/preferences.dart';
 import 'package:nkust_ap/utils/utils.dart';
 
 class Helper {
-  static const HOST = 'nkus-ap-staging.rainvisitor.me';
+  static const HOST = 'nkust-ap-staging.rainvisitor.me';
 
   static const VERSION = 'v3';
 
@@ -113,6 +113,27 @@ class Helper {
     }
   }
 
+  Future<LoginResponse> adminLogin(String username, String password) async {
+    try {
+      var response = await dio.post(
+        '/oauth/admin/token',
+        data: {
+          'username': username,
+          'password': password,
+        },
+      );
+      if (response == null) print('null');
+      var loginResponse = LoginResponse.fromJson(response.data);
+      options.headers = _createBearerTokenAuth(loginResponse.token);
+      expireTime = loginResponse.expireTime;
+      Helper.username = username;
+      Helper.password = password;
+      return loginResponse;
+    } catch (dioError) {
+      throw dioError;
+    }
+  }
+
   Future<Response> deleteToken() async {
     try {
       var response = await dio.delete(
@@ -162,6 +183,42 @@ class Helper {
     }
   }
 
+  Future<Response> addAnnouncement(Announcements announcements) async {
+    try {
+      var response = await dio.post(
+        "/news/announcements/add",
+        data: announcements.toUpdateJson(),
+      );
+      return response;
+    } on DioError catch (dioError) {
+      throw dioError;
+    }
+  }
+
+  Future<Response> updateAnnouncement(Announcements announcements) async {
+    try {
+      var response = await dio.put(
+        "/news/announcements/update/${announcements.id}",
+        data: announcements.toUpdateJson(),
+      );
+      return response;
+    } on DioError catch (dioError) {
+      throw dioError;
+    }
+  }
+
+  Future<Response> deleteAnnouncement(Announcements announcements) async {
+    try {
+      var response = await dio.delete(
+        "/news/announcements/remove/${announcements.id}",
+        data: announcements.toUpdateJson(),
+      );
+      return response;
+    } on DioError catch (dioError) {
+      throw dioError;
+    }
+  }
+
   Future<UserInfo> getUsersInfo() async {
     if (isExpire()) await login(username, password);
     try {
diff --git a/lib/app.dart b/lib/app.dart
new file mode 100644
index 00000000..870f1add
--- /dev/null
+++ b/lib/app.dart
@@ -0,0 +1,176 @@
+import 'dart:async';
+import 'dart:io';
+import 'dart:typed_data';
+
+import 'package:firebase_analytics/firebase_analytics.dart';
+import 'package:firebase_analytics/observer.dart';
+import 'package:firebase_crashlytics/firebase_crashlytics.dart';
+import 'package:firebase_messaging/firebase_messaging.dart';
+import 'package:flutter/cupertino.dart';
+import 'package:flutter/foundation.dart'
+    show debugDefaultTargetPlatformOverride;
+import 'package:flutter/foundation.dart';
+import 'package:flutter/material.dart';
+import 'package:flutter_localizations/flutter_localizations.dart';
+import 'package:nkust_ap/config/constants.dart';
+import 'package:nkust_ap/pages/home/bus/bus_rule_page.dart';
+import 'package:nkust_ap/pages/home/news/news_admin_page.dart';
+import 'package:nkust_ap/pages/page.dart';
+import 'package:nkust_ap/res/app_icon.dart';
+import 'package:nkust_ap/res/app_theme.dart';
+import 'package:nkust_ap/utils/app_localizations.dart';
+import 'package:nkust_ap/utils/firebase_analytics_utils.dart';
+import 'package:nkust_ap/utils/preferences.dart';
+import 'package:nkust_ap/utils/utils.dart';
+import 'package:nkust_ap/widgets/drawer_body.dart';
+import 'package:nkust_ap/widgets/share_data_widget.dart';
+
+import 'api/helper.dart';
+import 'models/login_response.dart';
+import 'models/user_info.dart';
+
+class MyApp extends StatefulWidget {
+  final ThemeData themeData;
+
+  const MyApp({Key key, @required this.themeData}) : super(key: key);
+
+  @override
+  MyAppState createState() => MyAppState();
+}
+
+class MyAppState extends State<MyApp> {
+  FirebaseAnalytics analytics;
+  FirebaseMessaging firebaseMessaging;
+  ThemeData themeData;
+  UserInfo userInfo;
+  LoginResponse loginResponse;
+  Uint8List pictureBytes;
+  bool isLogin = false, offlineLogin = false;
+
+  setThemeData(ThemeData themeData) {
+    setState(() {
+      this.themeData = themeData;
+    });
+  }
+
+  logout() {
+    setState(() {
+      this.isLogin = false;
+      this.offlineLogin = false;
+      this.userInfo = null;
+      this.loginResponse = null;
+      this.pictureBytes = null;
+      Helper.clearSetting();
+    });
+  }
+
+  @override
+  void initState() {
+    themeData = widget.themeData;
+    if (kIsWeb) {
+    } else if (Platform.isAndroid || Platform.isIOS) {
+      analytics = FirebaseAnalytics();
+      firebaseMessaging = FirebaseMessaging();
+      _initFCM();
+      FA.analytics = analytics;
+      FA.setUserProperty('theme', AppTheme.code);
+      FA.setUserProperty('icon_style', AppIcon.code);
+      Preferences.init();
+    }
+    super.initState();
+  }
+
+  @override
+  Widget build(BuildContext context) {
+    print(AppLocalizations.languageCode);
+    return ShareDataWidget(
+      data: this,
+      child: MaterialApp(
+        localeResolutionCallback:
+            (Locale locale, Iterable<Locale> supportedLocales) {
+          return locale;
+        },
+        onGenerateTitle: (context) => AppLocalizations.of(context).appName,
+        debugShowCheckedModeBanner: false,
+        routes: <String, WidgetBuilder>{
+          Navigator.defaultRouteName: (context) => HomePage(),
+          LoginPage.routerName: (BuildContext context) => LoginPage(),
+          HomePage.routerName: (BuildContext context) => HomePage(),
+          CoursePage.routerName: (BuildContext context) => CoursePage(),
+          BusPage.routerName: (BuildContext context) => BusPage(),
+          BusRulePage.routerName: (BuildContext context) => BusRulePage(),
+          ScorePage.routerName: (BuildContext context) => ScorePage(),
+          SchoolInfoPage.routerName: (BuildContext context) => SchoolInfoPage(),
+          SettingPage.routerName: (BuildContext context) => SettingPage(),
+          AboutUsPage.routerName: (BuildContext context) => AboutUsPage(),
+          OpenSourcePage.routerName: (BuildContext context) => OpenSourcePage(),
+          UserInfoPage.routerName: (BuildContext context) => UserInfoPage(),
+          NewsAdminPage.routerName: (BuildContext context) => NewsAdminPage(),
+          CalculateUnitsPage.routerName: (BuildContext context) =>
+              CalculateUnitsPage(),
+          NewsContentPage.routerName: (BuildContext context) =>
+              NewsContentPage(null),
+          LeavePage.routerName: (BuildContext context) => LeavePage(),
+        },
+        theme: themeData,
+        navigatorObservers: (kIsWeb)
+            ? []
+            : (Platform.isIOS || Platform.isAndroid)
+            ? [
+          FirebaseAnalyticsObserver(analytics: analytics),
+        ]
+            : [],
+        localizationsDelegates: [
+          const AppLocalizationsDelegate(),
+          GlobalMaterialLocalizations.delegate,
+          GlobalWidgetsLocalizations.delegate,
+          GlobalCupertinoLocalizations.delegate,
+        ],
+        supportedLocales: [
+          const Locale('en', 'US'), // English
+          const Locale('zh', 'TW'), // Chinese
+        ],
+      ),
+    );
+  }
+
+  void _initFCM() {
+    firebaseMessaging.requestNotificationPermissions();
+    firebaseMessaging.configure(
+      onMessage: (Map<String, dynamic> message) async {
+        if (Constants.isInDebugMode) print("onMessage: $message");
+        Utils.showFCMNotification(
+            message['notification']['title'] ?? '',
+            message['notification']['title'] ?? '',
+            message['notification']['body'] ?? '');
+      },
+      onLaunch: (Map<String, dynamic> message) async {
+        if (Constants.isInDebugMode) print("onLaunch: $message");
+        //_navigateToItemDetail(message);
+      },
+      onResume: (Map<String, dynamic> message) async {
+        if (Constants.isInDebugMode) print("onResume: $message");
+      },
+    );
+    firebaseMessaging.requestNotificationPermissions(
+      const IosNotificationSettings(
+        sound: true,
+        badge: true,
+        alert: true,
+      ),
+    );
+    firebaseMessaging.onIosSettingsRegistered
+        .listen((IosNotificationSettings settings) {
+      print("Settings registered: $settings");
+    });
+    firebaseMessaging.getToken().then((String token) {
+      if (token == null) return;
+      if (Constants.isInDebugMode) {
+        print("Push Messaging token: $token");
+      }
+      if (Platform.isAndroid)
+        firebaseMessaging.subscribeToTopic("Android");
+      else if (Platform.isIOS) firebaseMessaging.subscribeToTopic("IOS");
+    });
+  }
+}
diff --git a/lib/main.dart b/lib/main.dart
index b72f6b14..7cd7cf0b 100644
--- a/lib/main.dart
+++ b/lib/main.dart
@@ -1,32 +1,17 @@
-import 'dart:async';
 import 'dart:io';
-import 'dart:typed_data';
 
-import 'package:firebase_analytics/firebase_analytics.dart';
-import 'package:firebase_analytics/observer.dart';
 import 'package:firebase_crashlytics/firebase_crashlytics.dart';
-import 'package:firebase_messaging/firebase_messaging.dart';
 import 'package:flutter/cupertino.dart';
 import 'package:flutter/foundation.dart'
     show debugDefaultTargetPlatformOverride;
 import 'package:flutter/foundation.dart';
 import 'package:flutter/material.dart';
-import 'package:flutter_localizations/flutter_localizations.dart';
+import 'package:nkust_ap/app.dart';
 import 'package:nkust_ap/config/constants.dart';
-import 'package:nkust_ap/pages/home/bus/bus_rule_page.dart';
-import 'package:nkust_ap/pages/page.dart';
 import 'package:nkust_ap/res/app_icon.dart';
 import 'package:nkust_ap/res/app_theme.dart';
-import 'package:nkust_ap/utils/app_localizations.dart';
-import 'package:nkust_ap/utils/firebase_analytics_utils.dart';
 import 'package:nkust_ap/utils/preferences.dart';
-import 'package:nkust_ap/utils/utils.dart';
-import 'package:nkust_ap/widgets/drawer_body.dart';
-import 'package:nkust_ap/widgets/share_data_widget.dart';
 
-import 'api/helper.dart';
-import 'models/login_response.dart';
-import 'models/user_info.dart';
 
 void main() async {
   bool isInDebugMode = Constants.isInDebugMode;
@@ -60,149 +45,4 @@ void _setTargetPlatformForDesktop() {
   if (targetPlatform != null) {
     debugDefaultTargetPlatformOverride = targetPlatform;
   }
-}
-
-class MyApp extends StatefulWidget {
-  final ThemeData themeData;
-
-  const MyApp({Key key, @required this.themeData}) : super(key: key);
-
-  @override
-  MyAppState createState() => MyAppState();
-}
-
-class MyAppState extends State<MyApp> {
-  FirebaseAnalytics analytics;
-  FirebaseMessaging firebaseMessaging;
-  ThemeData themeData;
-  UserInfo userInfo;
-  LoginResponse loginResponse;
-  Uint8List pictureBytes;
-  bool isLogin = false, offlineLogin = false;
-
-  setThemeData(ThemeData themeData) {
-    setState(() {
-      this.themeData = themeData;
-    });
-  }
-
-  logout() {
-    setState(() {
-      this.isLogin = false;
-      this.offlineLogin = false;
-      this.userInfo = null;
-      this.loginResponse = null;
-      this.pictureBytes = null;
-      Helper.clearSetting();
-    });
-  }
-
-  @override
-  void initState() {
-    themeData = widget.themeData;
-    if (kIsWeb) {
-    } else if (Platform.isAndroid || Platform.isIOS) {
-      analytics = FirebaseAnalytics();
-      firebaseMessaging = FirebaseMessaging();
-      _initFCM();
-      FA.analytics = analytics;
-      FA.setUserProperty('theme', AppTheme.code);
-      FA.setUserProperty('icon_style', AppIcon.code);
-      Preferences.init();
-    }
-    super.initState();
-  }
-
-  @override
-  Widget build(BuildContext context) {
-    print(AppLocalizations.languageCode);
-    return ShareDataWidget(
-      this,
-      child: MaterialApp(
-        localeResolutionCallback:
-            (Locale locale, Iterable<Locale> supportedLocales) {
-          return locale;
-        },
-        onGenerateTitle: (context) => AppLocalizations.of(context).appName,
-        debugShowCheckedModeBanner: false,
-        routes: <String, WidgetBuilder>{
-          Navigator.defaultRouteName: (context) => HomePage(),
-          LoginPage.routerName: (BuildContext context) => LoginPage(),
-          HomePage.routerName: (BuildContext context) => HomePage(),
-          CoursePage.routerName: (BuildContext context) => CoursePage(),
-          BusPage.routerName: (BuildContext context) => BusPage(),
-          BusRulePage.routerName: (BuildContext context) => BusRulePage(),
-          ScorePage.routerName: (BuildContext context) => ScorePage(),
-          SchoolInfoPage.routerName: (BuildContext context) => SchoolInfoPage(),
-          SettingPage.routerName: (BuildContext context) => SettingPage(),
-          AboutUsPage.routerName: (BuildContext context) => AboutUsPage(),
-          OpenSourcePage.routerName: (BuildContext context) => OpenSourcePage(),
-          UserInfoPage.routerName: (BuildContext context) => UserInfoPage(),
-          CalculateUnitsPage.routerName: (BuildContext context) =>
-              CalculateUnitsPage(),
-          NewsContentPage.routerName: (BuildContext context) =>
-              NewsContentPage(null),
-          LeavePage.routerName: (BuildContext context) => LeavePage(),
-        },
-        theme: themeData,
-        navigatorObservers: (kIsWeb)
-            ? []
-            : (Platform.isIOS || Platform.isAndroid)
-                ? [
-                    FirebaseAnalyticsObserver(analytics: analytics),
-                  ]
-                : [],
-        localizationsDelegates: [
-          const AppLocalizationsDelegate(),
-          GlobalMaterialLocalizations.delegate,
-          GlobalWidgetsLocalizations.delegate,
-          GlobalCupertinoLocalizations.delegate,
-        ],
-        supportedLocales: [
-          const Locale('en', 'US'), // English
-          const Locale('zh', 'TW'), // Chinese
-        ],
-      ),
-    );
-  }
-
-  void _initFCM() {
-    firebaseMessaging.requestNotificationPermissions();
-    firebaseMessaging.configure(
-      onMessage: (Map<String, dynamic> message) async {
-        if (Constants.isInDebugMode) print("onMessage: $message");
-        Utils.showFCMNotification(
-            message['notification']['title'] ?? '',
-            message['notification']['title'] ?? '',
-            message['notification']['body'] ?? '');
-      },
-      onLaunch: (Map<String, dynamic> message) async {
-        if (Constants.isInDebugMode) print("onLaunch: $message");
-        //_navigateToItemDetail(message);
-      },
-      onResume: (Map<String, dynamic> message) async {
-        if (Constants.isInDebugMode) print("onResume: $message");
-      },
-    );
-    firebaseMessaging.requestNotificationPermissions(
-      const IosNotificationSettings(
-        sound: true,
-        badge: true,
-        alert: true,
-      ),
-    );
-    firebaseMessaging.onIosSettingsRegistered
-        .listen((IosNotificationSettings settings) {
-      print("Settings registered: $settings");
-    });
-    firebaseMessaging.getToken().then((String token) {
-      if (token == null) return;
-      if (Constants.isInDebugMode) {
-        print("Push Messaging token: $token");
-      }
-      if (Platform.isAndroid)
-        firebaseMessaging.subscribeToTopic("Android");
-      else if (Platform.isIOS) firebaseMessaging.subscribeToTopic("IOS");
-    });
-  }
-}
+}
\ No newline at end of file
diff --git a/lib/models/announcements_data.dart b/lib/models/announcements_data.dart
index 2ce8d8ca..1a8eb2da 100644
--- a/lib/models/announcements_data.dart
+++ b/lib/models/announcements_data.dart
@@ -38,6 +38,7 @@ class Announcements {
   String url;
   String description;
   String publishedTime;
+  String expireTime;
 
   Announcements({
     this.title,
@@ -49,6 +50,7 @@ class Announcements {
     this.url,
     this.description,
     this.publishedTime,
+    this.expireTime,
   });
 
   factory Announcements.fromRawJson(String str) =>
@@ -56,6 +58,8 @@ class Announcements {
 
   String toRawJson() => json.encode(toJson());
 
+  String toRawUpdateJson() => json.encode(toUpdateJson());
+
   factory Announcements.fromJson(Map<String, dynamic> json) => Announcements(
         title: json["title"],
         id: json["id"],
@@ -66,6 +70,7 @@ class Announcements {
         url: json["url"],
         description: json["description"],
         publishedTime: json["publishedTime"],
+        expireTime: json["expireTime"],
       );
 
   Map<String, dynamic> toJson() => {
@@ -78,5 +83,15 @@ class Announcements {
         "url": url,
         "description": description,
         "publishedTime": publishedTime,
+        "expireTime": expireTime,
+      };
+
+  Map<String, dynamic> toUpdateJson() => {
+        "title": title,
+        "weight": weight,
+        "imgUrl": imgUrl,
+        "url": url,
+        "description": description,
+        "expireTime": expireTime,
       };
 }
diff --git a/lib/models/login_response.dart b/lib/models/login_response.dart
index 375ed639..07008071 100644
--- a/lib/models/login_response.dart
+++ b/lib/models/login_response.dart
@@ -1,12 +1,18 @@
+// To parse this JSON data, do
+//
+//     final loginResponse = loginResponseFromJson(jsonString);
+
 import 'dart:convert';
 
 class LoginResponse {
-  DateTime expireTime;
   String token;
+  DateTime expireTime;
+  bool isAdmin;
 
   LoginResponse({
-    this.expireTime,
     this.token,
+    this.expireTime,
+    this.isAdmin,
   });
 
   factory LoginResponse.fromRawJson(String str) =>
@@ -14,14 +20,17 @@ class LoginResponse {
 
   String toRawJson() => json.encode(toJson());
 
-  factory LoginResponse.fromJson(Map<String, dynamic> json) =>
-      new LoginResponse(
-        expireTime: DateTime.parse(json["expireTime"]),
-        token: json["token"],
+  factory LoginResponse.fromJson(Map<String, dynamic> json) => LoginResponse(
+        token: json["token"] == null ? null : json["token"],
+        expireTime: json["expireTime"] == null
+            ? null
+            : DateTime.parse(json["expireTime"]),
+        isAdmin: json["isAdmin"] == null ? null : json["isAdmin"],
       );
 
   Map<String, dynamic> toJson() => {
-        "expireTime": expireTime.toIso8601String(),
-        "token": token,
+        "token": token == null ? null : token,
+        "expireTime": expireTime == null ? null : expireTime.toIso8601String(),
+        "isAdmin": isAdmin == null ? null : isAdmin,
       };
 }
diff --git a/lib/pages/home/about/about_us_page.dart b/lib/pages/home/about/about_us_page.dart
index 4a5424aa..e46c39c5 100644
--- a/lib/pages/home/about/about_us_page.dart
+++ b/lib/pages/home/about/about_us_page.dart
@@ -1,6 +1,7 @@
 import 'dart:io';
 import 'dart:math';
 
+import 'package:flutter/foundation.dart';
 import 'package:flutter/material.dart';
 import 'package:nkust_ap/res/app_icon.dart';
 import 'package:nkust_ap/res/assets.dart';
@@ -30,7 +31,8 @@ class AboutUsPageState extends State<AboutUsPage> {
   }
 
   String get sectionImage {
-    final department = ShareDataWidget.of(context).data.userInfo?.department ?? '';
+    final department =
+        ShareDataWidget.of(context).data.userInfo?.department ?? '';
     Random random = Random();
     bool halfSnapFingerChance = random.nextInt(2000) % 2 == 0;
     if (department.contains('建工') || department.contains('燕巢'))
@@ -133,11 +135,16 @@ class AboutUsPageState extends State<AboutUsPage> {
                           IconButton(
                             icon: Image.asset(ImageAssets.fb),
                             onPressed: () {
-                              if (Platform.isAndroid)
+                              if (kIsWeb)
+                                Utils.launchUrl(
+                                        'https://www.facebook.com/NKUST.ITC/')
+                                    .catchError((onError) => Utils.showToast(
+                                        context, app.platformError));
+                              else if (Platform.isAndroid)
                                 Utils.launchUrl('fb://page/735951703168873')
                                     .catchError((onError) => Utils.launchUrl(
                                         'https://www.facebook.com/NKUST.ITC/'));
-                              if (Platform.isIOS)
+                              else if (Platform.isIOS)
                                 Utils.launchUrl('fb://profile/735951703168873')
                                     .catchError((onError) => Utils.launchUrl(
                                         'https://www.facebook.com/NKUST.ITC/'));
@@ -153,7 +160,11 @@ class AboutUsPageState extends State<AboutUsPage> {
                           IconButton(
                             icon: Image.asset(ImageAssets.github),
                             onPressed: () {
-                              if (Platform.isAndroid)
+                              if (kIsWeb)
+                                Utils.launchUrl('https://github.com/NKUST-ITC')
+                                    .catchError((onError) => Utils.showToast(
+                                        context, app.platformError));
+                              else if (Platform.isAndroid)
                                 Utils.launchUrl(
                                         'github://organization/NKUST-ITC')
                                     .catchError((onError) => Utils.launchUrl(
diff --git a/lib/pages/home/news/news_admin_page.dart b/lib/pages/home/news/news_admin_page.dart
new file mode 100644
index 00000000..c9c38be2
--- /dev/null
+++ b/lib/pages/home/news/news_admin_page.dart
@@ -0,0 +1,403 @@
+import 'package:dio/dio.dart';
+import 'package:flutter/cupertino.dart';
+import 'package:flutter/foundation.dart';
+import 'package:flutter/gestures.dart';
+import 'package:flutter/material.dart';
+import 'package:nkust_ap/api/helper.dart';
+import 'package:nkust_ap/models/announcements_data.dart';
+import 'package:nkust_ap/models/login_response.dart';
+import 'package:nkust_ap/pages/home/news/news_edit_page.dart';
+import 'package:nkust_ap/res/app_icon.dart';
+import 'package:nkust_ap/res/resource.dart' as Resource;
+import 'package:nkust_ap/utils/app_localizations.dart';
+import 'package:nkust_ap/utils/utils.dart';
+import 'package:nkust_ap/widgets/hint_content.dart';
+import 'package:nkust_ap/widgets/progress_dialog.dart';
+import 'package:nkust_ap/widgets/yes_no_dialog.dart';
+import 'package:sprintf/sprintf.dart';
+
+enum _State { notLogin, loading, finish, error, empty, offline }
+
+class NewsAdminPage extends StatefulWidget {
+  static const String routerName = "/news/admin";
+  final bool isAdmin;
+
+  const NewsAdminPage({Key key, this.isAdmin = false}) : super(key: key);
+
+  @override
+  _NewsAdminPageState createState() => _NewsAdminPageState();
+}
+
+class _NewsAdminPageState extends State<NewsAdminPage> {
+  final GlobalKey<ScaffoldState> _scaffoldKey = new GlobalKey<ScaffoldState>();
+
+  final TextEditingController _username = TextEditingController();
+  final TextEditingController _password = TextEditingController();
+
+  AppLocalizations app;
+
+  _State state = _State.notLogin;
+
+  AnnouncementsData announcementsResponse;
+
+  bool isOffline = false;
+  FocusNode usernameFocusNode;
+  FocusNode passwordFocusNode;
+
+  TextStyle get _editTextStyle => TextStyle(
+        fontSize: 18.0,
+        decorationColor: Resource.Colors.blueAccent,
+      );
+
+  @override
+  void initState() {
+    //FA.setCurrentScreen('ScorePage', 'score_page.dart');
+    if (widget.isAdmin) {
+      state = _State.loading;
+      _getData();
+    } else {
+      usernameFocusNode = FocusNode();
+      passwordFocusNode = FocusNode();
+    }
+    super.initState();
+  }
+
+  @override
+  void dispose() {
+    super.dispose();
+  }
+
+  @override
+  Widget build(BuildContext context) {
+    app = AppLocalizations.of(context);
+    return Scaffold(
+      key: _scaffoldKey,
+      appBar: AppBar(
+        title: Text(app.news),
+        backgroundColor: Resource.Colors.blue,
+      ),
+      floatingActionButton: state == _State.notLogin
+          ? null
+          : FloatingActionButton(
+              child: Icon(Icons.add),
+              onPressed: () async {
+                var success = await Navigator.push(
+                  context,
+                  CupertinoPageRoute(
+                    builder: (_) => NewsEditPage(
+                      mode: Mode.add,
+                    ),
+                  ),
+                );
+                if (success is bool && success != null) {
+                  if (success) {
+                    _getData();
+                  }
+                }
+              },
+            ),
+      body: RefreshIndicator(
+        onRefresh: () async {
+          await _getData();
+          return null;
+        },
+        child: _body(),
+      ),
+    );
+  }
+
+  _body() {
+    switch (state) {
+      case _State.notLogin:
+        return _loginContent();
+      case _State.loading:
+        return Container(
+            child: CircularProgressIndicator(), alignment: Alignment.center);
+      case _State.empty:
+      case _State.error:
+        return FlatButton(
+          onPressed: () {
+            _getData();
+          },
+          child: HintContent(
+            icon: AppIcon.classIcon,
+            content: app.clickToRetry,
+          ),
+        );
+      case _State.offline:
+        return HintContent(
+          icon: AppIcon.classIcon,
+          content: app.noOfflineData,
+        );
+      default:
+        return ListView.builder(
+          itemBuilder: (_, index) {
+            return _item(announcementsResponse.data[index]);
+          },
+          itemCount: announcementsResponse.data.length,
+        );
+    }
+  }
+
+  _loginContent() {
+    Widget usernameTextField = TextField(
+      maxLines: 1,
+      controller: _username,
+      textInputAction: TextInputAction.next,
+      focusNode: usernameFocusNode,
+      onSubmitted: (text) {
+        usernameFocusNode.unfocus();
+        FocusScope.of(context).requestFocus(passwordFocusNode);
+      },
+      decoration: InputDecoration(
+        labelText: app.username,
+      ),
+      style: _editTextStyle,
+    );
+    Widget passwordTextField = TextField(
+      obscureText: true,
+      maxLines: 1,
+      textInputAction: TextInputAction.send,
+      controller: _password,
+      focusNode: passwordFocusNode,
+      onSubmitted: (text) {
+        passwordFocusNode.unfocus();
+        _login();
+      },
+      decoration: InputDecoration(
+        labelText: app.password,
+      ),
+      style: _editTextStyle,
+    );
+    return Padding(
+      padding: const EdgeInsets.symmetric(
+        vertical: 8.0,
+        horizontal: 32.0,
+      ),
+      child: Column(
+        mainAxisAlignment: MainAxisAlignment.center,
+        children: <Widget>[
+          usernameTextField,
+          passwordTextField,
+          SizedBox(height: 32.0),
+          Container(
+            width: double.infinity,
+            child: RaisedButton(
+              shape: RoundedRectangleBorder(
+                borderRadius: BorderRadius.all(
+                  Radius.circular(30.0),
+                ),
+              ),
+              padding: EdgeInsets.all(14.0),
+              onPressed: () async {
+                _login();
+              },
+              color: Colors.white,
+              child: Text(
+                app.login,
+                style: TextStyle(color: Resource.Colors.blue, fontSize: 18.0),
+              ),
+            ),
+          ),
+        ],
+      ),
+    );
+  }
+
+  Widget _item(Announcements item) {
+    return Card(
+      elevation: 4.0,
+      margin: const EdgeInsets.all(8.0),
+      shape: RoundedRectangleBorder(
+        borderRadius: BorderRadius.circular(12.0),
+      ),
+      child: InkWell(
+        radius: 12.0,
+        child: Padding(
+          padding: const EdgeInsets.all(8.0),
+          child: ListTile(
+            title: Text(
+              item.title,
+              style: TextStyle(fontSize: 18.0),
+            ),
+            trailing: IconButton(
+              icon: Icon(
+                AppIcon.cancel,
+                color: Resource.Colors.red,
+              ),
+              onPressed: () async {
+                showDialog(
+                  context: context,
+                  builder: (BuildContext context) => YesNoDialog(
+                    title: app.deleteNewsTitle,
+                    contentWidget: Text(
+                      "${app.deleteNewsContent}",
+                      textAlign: TextAlign.center,
+                    ),
+                    leftActionText: app.back,
+                    rightActionText: app.determine,
+                    rightActionFunction: () {
+                      Helper.instance.deleteAnnouncement(item).then((response) {
+                        _scaffoldKey.currentState.showSnackBar(
+                          SnackBar(
+                            content: Text(app.deleteSuccess),
+                            duration: Duration(seconds: 2),
+                          ),
+                        );
+                        _getData();
+                      }).catchError((e) {
+                        if (e is DioError) {
+                          switch (e.type) {
+                            case DioErrorType.RESPONSE:
+                              Utils.showToast(context, e.response?.data ?? '');
+                              break;
+                            case DioErrorType.CANCEL:
+                              break;
+                            default:
+                              Utils.handleDioError(context, e);
+                              break;
+                          }
+                        } else {
+                          throw e;
+                        }
+                      });
+                    },
+                  ),
+                );
+              },
+            ),
+            subtitle: Padding(
+              padding: const EdgeInsets.symmetric(vertical: 8.0),
+              child: RichText(
+                text: TextSpan(
+                  style: TextStyle(
+                      color: Resource.Colors.grey, height: 1.3, fontSize: 16.0),
+                  children: [
+                    TextSpan(
+                      text: '${app.weight}：',
+                      style: TextStyle(fontWeight: FontWeight.bold),
+                    ),
+                    TextSpan(text: '${item.weight ?? 1}\n'),
+                    TextSpan(
+                      text: '${app.imageUrl}：',
+                      style: TextStyle(fontWeight: FontWeight.bold),
+                    ),
+                    TextSpan(
+                      text: '${item.imgUrl}',
+                      style: TextStyle(
+                        color: Resource.Colors.blueAccent,
+                        decoration: TextDecoration.underline,
+                      ),
+                      recognizer: TapGestureRecognizer()
+                        ..onTap = () {
+                          Utils.launchUrl(item.imgUrl);
+                        },
+                    ),
+                    TextSpan(
+                      text: '\n${app.url}：',
+                      style: TextStyle(fontWeight: FontWeight.bold),
+                    ),
+                    TextSpan(
+                      text: '${item.url}',
+                      style: TextStyle(
+                        color: Resource.Colors.blueAccent,
+                        decoration: TextDecoration.underline,
+                      ),
+                      recognizer: TapGestureRecognizer()
+                        ..onTap = () {
+                          Utils.launchUrl(item.url);
+                        },
+                    ),
+                    TextSpan(
+                      text: '\n${app.expireTime}：',
+                      style: TextStyle(fontWeight: FontWeight.bold),
+                    ),
+                    TextSpan(text: '${item.expireTime?? app.noExpiration}\n'),
+                    TextSpan(
+                      text: '${app.description}：',
+                      style: TextStyle(fontWeight: FontWeight.bold),
+                    ),
+                    TextSpan(text: '${item.description}'),
+                  ],
+                ),
+              ),
+            ),
+          ),
+        ),
+        onTap: () async {
+          var success = await Navigator.push(
+            context,
+            CupertinoPageRoute(
+              builder: (_) => NewsEditPage(
+                mode: Mode.edit,
+                announcement: item,
+              ),
+            ),
+          );
+          if (success is bool && success != null) {
+            if (success) {
+              _getData();
+            }
+          }
+        },
+      ),
+    );
+  }
+
+  _getData() async {
+    Helper.instance.getAllAnnouncements().then((announcementsResponse) {
+      this.announcementsResponse = announcementsResponse;
+      setState(() {
+        state = announcementsResponse.data.length == 0
+            ? _State.empty
+            : _State.finish;
+      });
+    }).catchError((e) {
+      setState(() {
+        state = _State.error;
+      });
+    });
+  }
+
+  void _login() async {
+    if (_username.text.isEmpty || _password.text.isEmpty) {
+      Utils.showToast(context, app.doNotEmpty);
+    } else {
+      showDialog(
+        context: context,
+        builder: (BuildContext context) => WillPopScope(
+            child: ProgressDialog(app.logining),
+            onWillPop: () async {
+              return false;
+            }),
+        barrierDismissible: false,
+      );
+      Helper.instance
+          .adminLogin(_username.text, _password.text)
+          .then((LoginResponse response) async {
+        Navigator.of(context, rootNavigator: true).pop();
+        Utils.showToast(context, app.loginSuccess);
+        setState(() {
+          state = _State.loading;
+          _getData();
+        });
+      }).catchError((e) {
+        Navigator.of(context, rootNavigator: true).pop();
+        if (e is DioError) {
+          switch (e.type) {
+            case DioErrorType.RESPONSE:
+              Utils.showToast(context, app.loginFail);
+              break;
+            case DioErrorType.CANCEL:
+              break;
+            default:
+              Utils.handleDioError(context, e);
+              break;
+          }
+        } else {
+          throw e;
+        }
+      });
+    }
+  }
+}
diff --git a/lib/pages/home/news/news_edit_page.dart b/lib/pages/home/news/news_edit_page.dart
new file mode 100644
index 00000000..de9a1a9b
--- /dev/null
+++ b/lib/pages/home/news/news_edit_page.dart
@@ -0,0 +1,327 @@
+import 'package:flutter/material.dart';
+import 'package:flutter/painting.dart';
+import 'package:flutter/widgets.dart';
+import 'package:nkust_ap/api/helper.dart';
+import 'package:nkust_ap/models/announcements_data.dart';
+import 'package:nkust_ap/res/app_icon.dart';
+import 'package:nkust_ap/res/resource.dart' as Resource;
+import 'package:nkust_ap/utils/app_localizations.dart';
+import 'package:nkust_ap/utils/utils.dart';
+import 'package:intl/intl.dart';
+
+enum _State { loading, finish, error, empty, offline }
+enum Mode { add, edit }
+
+class NewsEditPage extends StatefulWidget {
+  static const String routerName = "/news/edit";
+
+  final Mode mode;
+  final Announcements announcement;
+
+  const NewsEditPage({
+    Key key,
+    @required this.mode,
+    this.announcement,
+  }) : super(key: key);
+
+  @override
+  _NewsEditPageState createState() => _NewsEditPageState();
+}
+
+class _NewsEditPageState extends State<NewsEditPage> {
+  final _formKey = GlobalKey<FormState>();
+
+  AppLocalizations app;
+
+  _State state = _State.loading;
+
+  Announcements announcements;
+
+  var _title = TextEditingController();
+  var _description = TextEditingController();
+  var _imgUrl = TextEditingController();
+  var _url = TextEditingController();
+  var _weight = TextEditingController();
+
+  var formatter = DateFormat('yyyy-MM-ddTHH:mm:ssZ');
+  var dateFormat = DateFormat('yyyy-MM-dd HH:mm:ss');
+
+  DateTime expireTime;
+
+  final dividerHeight = 16.0;
+
+  @override
+  void initState() {
+    if (widget.mode == Mode.edit) {
+      announcements = widget.announcement;
+      _title.text = announcements.title;
+      _imgUrl.text = announcements.imgUrl;
+      _url.text = announcements.url;
+      _weight.text = announcements.weight.toString();
+      if (announcements.expireTime != null)
+        expireTime = formatter.parse(announcements.expireTime);
+      _description.text = announcements.description;
+    } else {
+      announcements = Announcements();
+    }
+    super.initState();
+  }
+
+  @override
+  void dispose() {
+    super.dispose();
+  }
+
+  @override
+  Widget build(BuildContext context) {
+    app = AppLocalizations.of(context);
+    return Scaffold(
+      appBar: AppBar(
+        title: Text(app.news),
+        backgroundColor: Resource.Colors.blue,
+      ),
+      body: Form(
+        key: _formKey,
+        child: ListView(
+          padding: EdgeInsets.symmetric(horizontal: 16.0),
+          children: <Widget>[
+            SizedBox(height: dividerHeight),
+            TextFormField(
+              maxLines: 1,
+              controller: _title,
+              validator: (value) {
+                if (value.isEmpty) {
+                  return app.doNotEmpty;
+                }
+                return null;
+              },
+              decoration: InputDecoration(
+                border: OutlineInputBorder(),
+                fillColor: Resource.Colors.blueAccent,
+                labelStyle: TextStyle(
+                  color: Resource.Colors.grey,
+                ),
+                labelText: app.title,
+              ),
+            ),
+            SizedBox(height: dividerHeight),
+            TextFormField(
+              maxLines: 1,
+              controller: _weight,
+              validator: (value) {
+                if (value.isEmpty) {
+                  return app.doNotEmpty;
+                } else {
+                  try {
+                    int.parse(value);
+                  } catch (e) {
+                    return app.formatError;
+                  }
+                }
+                return null;
+              },
+              keyboardType: TextInputType.number,
+              decoration: InputDecoration(
+                border: OutlineInputBorder(),
+                fillColor: Resource.Colors.blueAccent,
+                labelStyle: TextStyle(
+                  color: Resource.Colors.grey,
+                ),
+                labelText: app.weight,
+              ),
+            ),
+            SizedBox(height: dividerHeight),
+            TextFormField(
+              maxLines: 1,
+              controller: _imgUrl,
+              validator: (value) {
+                if (value.isEmpty) {
+                  return app.doNotEmpty;
+                }
+                return null;
+              },
+              keyboardType: TextInputType.url,
+              decoration: InputDecoration(
+                border: OutlineInputBorder(),
+                fillColor: Resource.Colors.blueAccent,
+                labelStyle: TextStyle(
+                  color: Resource.Colors.grey,
+                ),
+                labelText: app.imageUrl,
+              ),
+            ),
+            SizedBox(height: dividerHeight),
+            TextFormField(
+              maxLines: 1,
+              controller: _url,
+              validator: (value) {
+                return null;
+              },
+              keyboardType: TextInputType.url,
+              decoration: InputDecoration(
+                border: OutlineInputBorder(),
+                fillColor: Resource.Colors.blueAccent,
+                labelStyle: TextStyle(
+                  color: Resource.Colors.grey,
+                ),
+                labelText: app.url,
+              ),
+            ),
+            SizedBox(height: dividerHeight),
+            Container(color: Resource.Colors.grey, height: 1),
+            SizedBox(height: 8.0),
+            FractionallySizedBox(
+              widthFactor: 0.3,
+              child: RaisedButton(
+                shape: RoundedRectangleBorder(
+                  borderRadius: BorderRadius.all(
+                    Radius.circular(30.0),
+                  ),
+                ),
+                padding: EdgeInsets.symmetric(
+                  horizontal: 8.0,
+                  vertical: 4.0,
+                ),
+                color: Resource.Colors.blueAccent,
+                onPressed: () async {
+                  setState(() {
+                    expireTime = null;
+                  });
+                },
+                child: Text(
+                  app.setNoExpireTime,
+                  style: TextStyle(color: Colors.white),
+                ),
+              ),
+            ),
+            SizedBox(height: 8.0),
+            ListTile(
+              onTap: _pickStartDateTime,
+              contentPadding: EdgeInsets.symmetric(
+                horizontal: 24,
+                vertical: 8,
+              ),
+              leading: Icon(
+                AppIcon.accessTime,
+                size: 30,
+                color: Resource.Colors.grey,
+              ),
+              trailing: Icon(
+                AppIcon.keyboardArrowDown,
+                size: 30,
+                color: Resource.Colors.grey,
+              ),
+              title: Text(
+                app.expireTime,
+                style: TextStyle(fontSize: 20),
+              ),
+              subtitle: Text(
+                expireTime == null
+                    ? app.newsExpireTimeHint
+                    : dateFormat.format(expireTime),
+                style: TextStyle(fontSize: 20),
+              ),
+            ),
+            Container(color: Resource.Colors.grey, height: 1),
+            SizedBox(height: dividerHeight),
+            TextFormField(
+              maxLines: 2,
+              controller: _description,
+              validator: (value) {
+                if (value.isEmpty) {
+                  return app.doNotEmpty;
+                }
+                return null;
+              },
+              decoration: InputDecoration(
+                border: OutlineInputBorder(),
+                fillColor: Resource.Colors.blueAccent,
+                labelStyle: TextStyle(
+                  color: Resource.Colors.grey,
+                ),
+                labelText: app.description,
+              ),
+            ),
+            SizedBox(height: 36),
+            FractionallySizedBox(
+              widthFactor: 0.8,
+              child: RaisedButton(
+                shape: RoundedRectangleBorder(
+                  borderRadius: BorderRadius.all(
+                    Radius.circular(30.0),
+                  ),
+                ),
+                padding: EdgeInsets.all(14.0),
+                onPressed: () {
+                  _announcementSubmit();
+                },
+                color: Resource.Colors.blueAccent,
+                child: Text(
+                  widget.mode == Mode.add ? app.submit : app.update,
+                  style: TextStyle(
+                    color: Colors.white,
+                    fontSize: 18.0,
+                  ),
+                ),
+              ),
+            ),
+            SizedBox(height: 36),
+          ],
+        ),
+      ),
+    );
+  }
+
+  Future _pickStartDateTime() async {
+    DateTime dateTime =
+        this.expireTime ?? DateTime.now().add(Duration(days: 7));
+    DateTime picked = await showDatePicker(
+      context: context,
+      locale: AppLocalizations.locale,
+      initialDate: dateTime ?? DateTime.now().add(Duration(days: 7)),
+      firstDate: DateTime(1950),
+      lastDate: DateTime(2099),
+    );
+    TimeOfDay timeOfDay =
+        TimeOfDay(hour: dateTime.hour, minute: dateTime.minute);
+    timeOfDay = await showTimePicker(context: context, initialTime: timeOfDay);
+    if (picked != null && timeOfDay != null) {
+      setState(
+        () => this.expireTime = DateTime(
+          picked.year,
+          picked.month,
+          picked.day,
+          timeOfDay.hour,
+          timeOfDay.minute,
+        ),
+      );
+    }
+  }
+
+  void _announcementSubmit() async {
+    if (_formKey.currentState.validate()) {
+      Future<dynamic> instance;
+      announcements.title = _title.text;
+      announcements.description = _description.text;
+      announcements.imgUrl = _imgUrl.text;
+      announcements.url = _url.text;
+      announcements.weight = int.parse(_weight.text);
+      announcements.expireTime =
+          (expireTime == null) ? null : formatter.format(expireTime);
+      switch (widget.mode) {
+        case Mode.add:
+          instance = Helper.instance.addAnnouncement(announcements);
+          break;
+        case Mode.edit:
+          instance = Helper.instance.updateAnnouncement(announcements);
+          break;
+      }
+      instance.then((response) {
+        Navigator.of(context).pop(true);
+        Utils.showToast(context, app.addSuccess);
+      }).catchError((e) {
+        Utils.showToast(context, app.somethingError);
+      });
+    }
+  }
+}
diff --git a/lib/pages/home/news_content_page.dart b/lib/pages/home/news_content_page.dart
index bd0a71f2..8332f9c7 100644
--- a/lib/pages/home/news_content_page.dart
+++ b/lib/pages/home/news_content_page.dart
@@ -1,6 +1,7 @@
 import 'dart:io';
 
 import 'package:cached_network_image/cached_network_image.dart';
+import 'package:flutter/foundation.dart';
 import 'package:flutter/material.dart';
 import 'package:nkust_ap/models/announcements_data.dart';
 import 'package:nkust_ap/res/app_icon.dart';
@@ -78,12 +79,14 @@ class NewsContentPageState extends State<NewsContentPage> {
         aspectRatio: orientation == Orientation.portrait ? 4 / 3 : 9 / 16,
         child: Hero(
           tag: widget.news.hashCode,
-          child: (Platform.isIOS || Platform.isAndroid)
-              ? CachedNetworkImage(
-                  imageUrl: widget.news.imgUrl,
-                  errorWidget: (context, url, error) => Icon(Icons.error),
-                )
-              : Image.network(widget.news.imgUrl),
+          child: kIsWeb
+              ? Image.network(widget.news.imgUrl)
+              : (Platform.isIOS || Platform.isAndroid)
+                  ? CachedNetworkImage(
+                      imageUrl: widget.news.imgUrl,
+                      errorWidget: (context, url, error) => Icon(Icons.error),
+                    )
+                  : Image.network(widget.news.imgUrl),
         ),
       ),
       onTap: () {
diff --git a/lib/pages/home_page.dart b/lib/pages/home_page.dart
index 2900c620..2864640d 100644
--- a/lib/pages/home_page.dart
+++ b/lib/pages/home_page.dart
@@ -3,11 +3,13 @@ import 'dart:io';
 import 'package:cached_network_image/cached_network_image.dart';
 import 'package:dio/dio.dart';
 import 'package:flutter/cupertino.dart';
+import 'package:flutter/foundation.dart';
 import 'package:flutter/material.dart';
 import 'package:flutter/services.dart';
 import 'package:nkust_ap/models/announcements_data.dart';
 import 'package:nkust_ap/models/login_response.dart';
 import 'package:nkust_ap/models/models.dart';
+import 'package:nkust_ap/pages/home/news/news_admin_page.dart';
 import 'package:nkust_ap/res/app_icon.dart';
 import 'package:nkust_ap/res/colors.dart' as Resource;
 import 'package:nkust_ap/utils/cache_utils.dart';
@@ -73,7 +75,18 @@ class HomePageState extends State<HomePage> {
             IconButton(
               icon: Icon(AppIcon.info),
               onPressed: _showInformationDialog,
-            )
+            ),
+            if (ShareDataWidget.of(context).data.loginResponse?.isAdmin ??
+                false)
+              IconButton(
+                icon: Icon(Icons.add_to_queue),
+                onPressed: () {
+                  Utils.pushCupertinoStyle(
+                    context,
+                    NewsAdminPage(isAdmin: true),
+                  );
+                },
+              )
           ],
         ),
         drawer: DrawerBody(
@@ -152,12 +165,14 @@ class HomePageState extends State<HomePage> {
         },
         child: Hero(
           tag: announcement.hashCode,
-          child: (Platform.isIOS || Platform.isAndroid)
-              ? CachedNetworkImage(
-                  imageUrl: announcement.imgUrl,
-                  errorWidget: (context, url, error) => Icon(AppIcon.error),
-                )
-              : Image.network(announcement.imgUrl),
+          child: kIsWeb
+              ? Image.network(announcement.imgUrl)
+              : (Platform.isIOS || Platform.isAndroid)
+                  ? CachedNetworkImage(
+                      imageUrl: announcement.imgUrl,
+                      errorWidget: (context, url, error) => Icon(AppIcon.error),
+                    )
+                  : Image.network(announcement.imgUrl),
         ),
       ),
     );
diff --git a/lib/utils/app_localizations.dart b/lib/utils/app_localizations.dart
index f18f05ea..57114982 100644
--- a/lib/utils/app_localizations.dart
+++ b/lib/utils/app_localizations.dart
@@ -6,6 +6,7 @@ import 'package:flutter/material.dart';
 import 'package:nkust_ap/config/constants.dart';
 import 'package:nkust_ap/res/app_icon.dart';
 import 'package:nkust_ap/res/app_theme.dart';
+import 'package:nkust_ap/utils/preferences.dart';
 import 'package:shared_preferences/shared_preferences.dart';
 
 import 'firebase_analytics_utils.dart';
@@ -407,6 +408,22 @@ class AppLocalizations {
       'leaveSubmitFail': 'Oops Leaves Submit Fail!',
       'loginSuccess': 'Login Success',
       'retry': 'Retry',
+      'title': 'Title',
+      'description': 'Description',
+      'imageUrl': 'Image Link',
+      'url': 'Link',
+      'expireTime': 'Expire Time',
+      'weight': 'Weight',
+      'newsContentFormat':
+          'Weight：%d\nImage Link：%s\nLink：%s\nExpire Time：%s\nDescription：%s',
+      'deleteNewsTitle': 'Delete News',
+      'deleteNewsContent': 'Sure delete?',
+      'deleteSuccess': 'Delete Success',
+      'updateSuccess': 'Update Success',
+      'formatError': 'Format Error',
+      'newsExpireTimeHint': 'No expiration time, please pick time.',
+      'setNoExpireTime': 'Set No Expiration Time',
+      'noExpiration': 'No Expiration',
     },
     'zh': {
       'app_name': '高科校務通',
@@ -728,6 +745,21 @@ class AppLocalizations {
       'leaveSubmitFail': 'Oops 請假送出失敗',
       'loginSuccess': '登入成功',
       'retry': '重試',
+      'title': '標題',
+      'description': '描述',
+      'imageUrl': '圖片網址',
+      'url': '連結網址',
+      'expireTime': '到期時間',
+      'weight': '權重',
+      'newsContentFormat': '權重：%d\n圖片網址：%s\n連結網址：%s\n到期時間：%s\n描述：%s',
+      'deleteNewsTitle': '刪除最新消息',
+      'deleteNewsContent': '確定要刪除?',
+      'deleteSuccess': '刪除成功',
+      'updateSuccess': '更新成功',
+      'formatError': '格式錯誤',
+      'newsExpireTimeHint': '無到期時間 請選擇時間',
+      'setNoExpireTime': '設定無到期時間',
+      'noExpiration': '無到期時間',
     },
   };
 
@@ -1305,6 +1337,36 @@ class AppLocalizations {
   String get loginSuccess => _vocabularies['loginSuccess'];
 
   String get retry => _vocabularies['retry'];
+
+  String get title => _vocabularies['title'];
+
+  String get description => _vocabularies['description'];
+
+  String get imageUrl => _vocabularies['imageUrl'];
+
+  String get url => _vocabularies['url'];
+
+  String get expireTime => _vocabularies['expireTime'];
+
+  String get weight => _vocabularies['weight'];
+
+  String get newsContentFormat => _vocabularies['newsContentFormat'];
+
+  String get deleteNewsTitle => _vocabularies['deleteNewsTitle'];
+
+  String get deleteNewsContent => _vocabularies['deleteNewsContent'];
+
+  String get deleteSuccess => _vocabularies['deleteSuccess'];
+
+  String get updateSuccess => _vocabularies['updateSuccess'];
+
+  String get formatError => _vocabularies['formatError'];
+
+  String get newsExpireTimeHint => _vocabularies['newsExpireTimeHint'];
+
+  String get setNoExpireTime => _vocabularies['setNoExpireTime'];
+
+  String get noExpiration => _vocabularies['noExpiration'];
 }
 
 class AppLocalizationsDelegate extends LocalizationsDelegate<AppLocalizations> {
@@ -1316,27 +1378,16 @@ class AppLocalizationsDelegate extends LocalizationsDelegate<AppLocalizations> {
   @override
   Future<AppLocalizations> load(Locale locale) async {
     print('Load ${locale.languageCode}');
-    if (kIsWeb) {
-      return AppLocalizations(locale);
-    } else if (Platform.isAndroid || Platform.isIOS) {
-      SharedPreferences preference = await SharedPreferences.getInstance();
-      String languageCode =
-          preference.getString(Constants.PREF_LANGUAGE_CODE) ??
-              AppLocalizations.SYSTEM;
-      AppLocalizations localizations = AppLocalizations(
-          (languageCode == AppLocalizations.SYSTEM)
-              ? locale
-              : Locale(languageCode));
-      FA.setUserProperty(
-          'language',
-          (languageCode == AppLocalizations.SYSTEM)
-              ? locale.languageCode
-              : languageCode);
-      return localizations;
-    } else {
-      //TODO if other platform can use SharedPreferences, need update.
-      return AppLocalizations(locale);
-    }
+    String languageCode = Preferences.getString(
+        Constants.PREF_LANGUAGE_CODE, AppLocalizations.SYSTEM);
+    FA.setUserProperty(
+        'language',
+        (languageCode == AppLocalizations.SYSTEM)
+            ? locale.languageCode
+            : languageCode);
+    return AppLocalizations((languageCode == AppLocalizations.SYSTEM)
+        ? locale
+        : Locale(languageCode));
   }
 
   @override
diff --git a/lib/utils/utils.dart b/lib/utils/utils.dart
index 34b82f34..789064c7 100644
--- a/lib/utils/utils.dart
+++ b/lib/utils/utils.dart
@@ -414,7 +414,7 @@ class Utils {
       Preferences.setString(
           Constants.PREF_CURRENT_VERSION, packageInfo.buildNumber);
     }
-    if (Constants.isInDebugMode) {
+    if (!Constants.isInDebugMode) {
       final RemoteConfig remoteConfig = await RemoteConfig.instance;
       try {
         await remoteConfig.fetch(
diff --git a/lib/widgets/share_data_widget.dart b/lib/widgets/share_data_widget.dart
index 50d6b1cd..abe74525 100644
--- a/lib/widgets/share_data_widget.dart
+++ b/lib/widgets/share_data_widget.dart
@@ -1,11 +1,12 @@
 import 'package:flutter/material.dart';
 import 'package:flutter/widgets.dart';
+import 'package:nkust_ap/app.dart';
 import 'package:nkust_ap/main.dart';
 
 class ShareDataWidget extends InheritedWidget {
   final MyAppState data;
 
-  ShareDataWidget(this.data, {Widget child}) : super(child: child);
+  ShareDataWidget({this.data, Widget child}) : super(child: child);
 
   static ShareDataWidget of(BuildContext context) {
     return context.inheritFromWidgetOfExactType(ShareDataWidget);
diff --git a/pubspec.yaml b/pubspec.yaml
index 7338c2c2..72509343 100644
--- a/pubspec.yaml
+++ b/pubspec.yaml
@@ -1,7 +1,7 @@
 name: nkust_ap
 description: A new Flutter application.
 
-version: 3.2.10+30210
+version: 3.2.11+30211
 
 environment:
   sdk: ">=2.2.2 <3.0.0"