diff --git a/.flutter-plugins-dependencies b/.flutter-plugins-dependencies
index 8824314..d1519da 100644
--- a/.flutter-plugins-dependencies
+++ b/.flutter-plugins-dependencies
@@ -1 +1 @@
-{"info":"This is a generated file; do not edit or check into version control.","plugins":{"ios":[{"name":"path_provider","path":"/Users/ityw/Downloads/flutter/flutter/.pub-cache/hosted/pub.flutter-io.cn/path_provider-1.6.11/","dependencies":[]},{"name":"share","path":"/Users/ityw/Downloads/flutter/flutter/.pub-cache/hosted/pub.flutter-io.cn/share-0.6.4+3/","dependencies":[]},{"name":"shared_preferences","path":"/Users/ityw/Downloads/flutter/flutter/.pub-cache/hosted/pub.flutter-io.cn/shared_preferences-0.5.8/","dependencies":[]},{"name":"sqflite","path":"/Users/ityw/Downloads/flutter/flutter/.pub-cache/hosted/pub.flutter-io.cn/sqflite-1.3.1/","dependencies":[]},{"name":"url_launcher","path":"/Users/ityw/Downloads/flutter/flutter/.pub-cache/hosted/pub.flutter-io.cn/url_launcher-5.5.0/","dependencies":[]},{"name":"webview_flutter","path":"/Users/ityw/Downloads/flutter/flutter/.pub-cache/hosted/pub.flutter-io.cn/webview_flutter-0.3.22+1/","dependencies":[]}],"android":[{"name":"path_provider","path":"/Users/ityw/Downloads/flutter/flutter/.pub-cache/hosted/pub.flutter-io.cn/path_provider-1.6.11/","dependencies":[]},{"name":"share","path":"/Users/ityw/Downloads/flutter/flutter/.pub-cache/hosted/pub.flutter-io.cn/share-0.6.4+3/","dependencies":[]},{"name":"shared_preferences","path":"/Users/ityw/Downloads/flutter/flutter/.pub-cache/hosted/pub.flutter-io.cn/shared_preferences-0.5.8/","dependencies":[]},{"name":"sqflite","path":"/Users/ityw/Downloads/flutter/flutter/.pub-cache/hosted/pub.flutter-io.cn/sqflite-1.3.1/","dependencies":[]},{"name":"url_launcher","path":"/Users/ityw/Downloads/flutter/flutter/.pub-cache/hosted/pub.flutter-io.cn/url_launcher-5.5.0/","dependencies":[]},{"name":"webview_flutter","path":"/Users/ityw/Downloads/flutter/flutter/.pub-cache/hosted/pub.flutter-io.cn/webview_flutter-0.3.22+1/","dependencies":[]}],"macos":[{"name":"path_provider_macos","path":"/Users/ityw/Downloads/flutter/flutter/.pub-cache/hosted/pub.flutter-io.cn/path_provider_macos-0.0.4+3/","dependencies":[]},{"name":"shared_preferences_macos","path":"/Users/ityw/Downloads/flutter/flutter/.pub-cache/hosted/pub.flutter-io.cn/shared_preferences_macos-0.0.1+10/","dependencies":[]},{"name":"sqflite","path":"/Users/ityw/Downloads/flutter/flutter/.pub-cache/hosted/pub.flutter-io.cn/sqflite-1.3.1/","dependencies":[]},{"name":"url_launcher_macos","path":"/Users/ityw/Downloads/flutter/flutter/.pub-cache/hosted/pub.flutter-io.cn/url_launcher_macos-0.0.1+7/","dependencies":[]}],"linux":[{"name":"path_provider_linux","path":"/Users/ityw/Downloads/flutter/flutter/.pub-cache/hosted/pub.flutter-io.cn/path_provider_linux-0.0.1+2/","dependencies":[]},{"name":"shared_preferences_linux","path":"/Users/ityw/Downloads/flutter/flutter/.pub-cache/hosted/pub.flutter-io.cn/shared_preferences_linux-0.0.2+1/","dependencies":["path_provider_linux"]},{"name":"url_launcher_linux","path":"/Users/ityw/Downloads/flutter/flutter/.pub-cache/hosted/pub.flutter-io.cn/url_launcher_linux-0.0.1+1/","dependencies":[]}],"windows":[],"web":[{"name":"shared_preferences_web","path":"/Users/ityw/Downloads/flutter/flutter/.pub-cache/hosted/pub.flutter-io.cn/shared_preferences_web-0.1.2+7/","dependencies":[]},{"name":"url_launcher_web","path":"/Users/ityw/Downloads/flutter/flutter/.pub-cache/hosted/pub.flutter-io.cn/url_launcher_web-0.1.2/","dependencies":[]}]},"dependencyGraph":[{"name":"path_provider","dependencies":["path_provider_macos","path_provider_linux"]},{"name":"path_provider_linux","dependencies":[]},{"name":"path_provider_macos","dependencies":[]},{"name":"share","dependencies":[]},{"name":"shared_preferences","dependencies":["shared_preferences_linux","shared_preferences_macos","shared_preferences_web"]},{"name":"shared_preferences_linux","dependencies":["path_provider_linux"]},{"name":"shared_preferences_macos","dependencies":[]},{"name":"shared_preferences_web","dependencies":[]},{"name":"sqflite","dependencies":[]},{"name":"url_launcher","dependencies":["url_launcher_web","url_launcher_linux","url_launcher_macos"]},{"name":"url_launcher_linux","dependencies":[]},{"name":"url_launcher_macos","dependencies":[]},{"name":"url_launcher_web","dependencies":[]},{"name":"webview_flutter","dependencies":[]}],"date_created":"2020-08-07 20:04:51.897760","version":"1.20.0"}
\ No newline at end of file
+{"info":"This is a generated file; do not edit or check into version control.","plugins":{"ios":[{"name":"path_provider","path":"/Users/xuyisheng/Downloads/flutter/.pub-cache/hosted/pub.flutter-io.cn/path_provider-1.6.11/","dependencies":[]},{"name":"share","path":"/Users/xuyisheng/Downloads/flutter/.pub-cache/hosted/pub.flutter-io.cn/share-0.6.4+3/","dependencies":[]},{"name":"shared_preferences","path":"/Users/xuyisheng/Downloads/flutter/.pub-cache/hosted/pub.flutter-io.cn/shared_preferences-0.5.8/","dependencies":[]},{"name":"sqflite","path":"/Users/xuyisheng/Downloads/flutter/.pub-cache/hosted/pub.flutter-io.cn/sqflite-1.3.1/","dependencies":[]},{"name":"url_launcher","path":"/Users/xuyisheng/Downloads/flutter/.pub-cache/hosted/pub.flutter-io.cn/url_launcher-5.5.0/","dependencies":[]},{"name":"webview_flutter","path":"/Users/xuyisheng/Downloads/flutter/.pub-cache/hosted/pub.flutter-io.cn/webview_flutter-0.3.22+1/","dependencies":[]}],"android":[{"name":"path_provider","path":"/Users/xuyisheng/Downloads/flutter/.pub-cache/hosted/pub.flutter-io.cn/path_provider-1.6.11/","dependencies":[]},{"name":"share","path":"/Users/xuyisheng/Downloads/flutter/.pub-cache/hosted/pub.flutter-io.cn/share-0.6.4+3/","dependencies":[]},{"name":"shared_preferences","path":"/Users/xuyisheng/Downloads/flutter/.pub-cache/hosted/pub.flutter-io.cn/shared_preferences-0.5.8/","dependencies":[]},{"name":"sqflite","path":"/Users/xuyisheng/Downloads/flutter/.pub-cache/hosted/pub.flutter-io.cn/sqflite-1.3.1/","dependencies":[]},{"name":"url_launcher","path":"/Users/xuyisheng/Downloads/flutter/.pub-cache/hosted/pub.flutter-io.cn/url_launcher-5.5.0/","dependencies":[]},{"name":"webview_flutter","path":"/Users/xuyisheng/Downloads/flutter/.pub-cache/hosted/pub.flutter-io.cn/webview_flutter-0.3.22+1/","dependencies":[]}],"macos":[{"name":"path_provider_macos","path":"/Users/xuyisheng/Downloads/flutter/.pub-cache/hosted/pub.flutter-io.cn/path_provider_macos-0.0.4+3/","dependencies":[]},{"name":"shared_preferences_macos","path":"/Users/xuyisheng/Downloads/flutter/.pub-cache/hosted/pub.flutter-io.cn/shared_preferences_macos-0.0.1+10/","dependencies":[]},{"name":"sqflite","path":"/Users/xuyisheng/Downloads/flutter/.pub-cache/hosted/pub.flutter-io.cn/sqflite-1.3.1/","dependencies":[]},{"name":"url_launcher_macos","path":"/Users/xuyisheng/Downloads/flutter/.pub-cache/hosted/pub.flutter-io.cn/url_launcher_macos-0.0.1+7/","dependencies":[]}],"linux":[{"name":"path_provider_linux","path":"/Users/xuyisheng/Downloads/flutter/.pub-cache/hosted/pub.flutter-io.cn/path_provider_linux-0.0.1+2/","dependencies":[]},{"name":"shared_preferences_linux","path":"/Users/xuyisheng/Downloads/flutter/.pub-cache/hosted/pub.flutter-io.cn/shared_preferences_linux-0.0.2+1/","dependencies":["path_provider_linux"]},{"name":"url_launcher_linux","path":"/Users/xuyisheng/Downloads/flutter/.pub-cache/hosted/pub.flutter-io.cn/url_launcher_linux-0.0.1+1/","dependencies":[]}],"windows":[],"web":[{"name":"shared_preferences_web","path":"/Users/xuyisheng/Downloads/flutter/.pub-cache/hosted/pub.flutter-io.cn/shared_preferences_web-0.1.2+7/","dependencies":[]},{"name":"url_launcher_web","path":"/Users/xuyisheng/Downloads/flutter/.pub-cache/hosted/pub.flutter-io.cn/url_launcher_web-0.1.2/","dependencies":[]}]},"dependencyGraph":[{"name":"path_provider","dependencies":["path_provider_macos","path_provider_linux"]},{"name":"path_provider_linux","dependencies":[]},{"name":"path_provider_macos","dependencies":[]},{"name":"share","dependencies":[]},{"name":"shared_preferences","dependencies":["shared_preferences_linux","shared_preferences_macos","shared_preferences_web"]},{"name":"shared_preferences_linux","dependencies":["path_provider_linux"]},{"name":"shared_preferences_macos","dependencies":[]},{"name":"shared_preferences_web","dependencies":[]},{"name":"sqflite","dependencies":[]},{"name":"url_launcher","dependencies":["url_launcher_web","url_launcher_linux","url_launcher_macos"]},{"name":"url_launcher_linux","dependencies":[]},{"name":"url_launcher_macos","dependencies":[]},{"name":"url_launcher_web","dependencies":[]},{"name":"webview_flutter","dependencies":[]}],"date_created":"2020-08-08 16:51:01.509294","version":"1.20.1"}
\ No newline at end of file
diff --git a/lib/category/widgets/appstructurenavigation/navigationrail.dart b/lib/category/widgets/appstructurenavigation/navigationrail.dart
index 1b0a12a..31f2494 100644
--- a/lib/category/widgets/appstructurenavigation/navigationrail.dart
+++ b/lib/category/widgets/appstructurenavigation/navigationrail.dart
@@ -15,10 +15,13 @@ class _NavigationRailWidgetState extends State<NavigationRailWidget> {
         NavigationRail(
           selectedIndex: _selectedIndex,
           onDestinationSelected: (int index) {
-            setState(() {
-              _selectedIndex = index;
-            });
+            setState(() => _selectedIndex = index);
           },
+          leading: IconButton(
+            icon: Icon(Icons.tune),
+            color: Colors.red.shade200,
+            onPressed: () {},
+          ),
           labelType: NavigationRailLabelType.selected,
           destinations: [
             NavigationRailDestination(
diff --git a/lib/pages/feed/feedmainpage.dart b/lib/pages/feed/feedmainpage.dart
index e979296..a7dd9f1 100644
--- a/lib/pages/feed/feedmainpage.dart
+++ b/lib/pages/feed/feedmainpage.dart
@@ -33,7 +33,8 @@ class FeedMainPage extends StatelessWidget {
                       }
                       var detail = feedList[index];
                       return GestureDetector(
-                        onTap: () => Navigator.push(context, MaterialPageRoute(builder: (context) => FeedDetailPage(article: detail))),
+                        onTap: () => Navigator.push(
+                            context, MaterialPageRoute(builder: (context) => FeedDetailPage(article: detail))),
                         child: Card(
                           elevation: 2,
                           shape: RoundedRectangleBorder(borderRadius: BorderRadius.circular(8)),
@@ -86,9 +87,14 @@ class FeedMainPage extends StatelessWidget {
                                   margin: EdgeInsets.symmetric(horizontal: 16, vertical: 8),
                                   child: Row(
                                     children: <Widget>[
-                                      CircleAvatar(
-                                        radius: 12,
-                                        backgroundImage: NetworkImage('${detail.owner.avatarUrl}'),
+                                      Icon(Icons.star, color: Colors.redAccent.withAlpha(125)),
+                                      SizedBox(width: 4),
+                                      Text(
+                                        '${detail.stargazersCount}',
+                                        style: TextStyle(
+                                          fontSize: 14,
+                                          color: Colors.grey.shade700,
+                                        ),
                                       ),
                                       SizedBox(width: 24),
                                       Text(
@@ -100,7 +106,17 @@ class FeedMainPage extends StatelessWidget {
                                       ),
                                       SizedBox(width: 24),
                                       Text(
-                                        '${formatDate(DateTime.parse(detail.createdAt), [yyyy, '-', mm, '-', dd, ' ', HH, ':', nn])}',
+                                        '${formatDate(DateTime.parse(detail.createdAt), [
+                                          yyyy,
+                                          '-',
+                                          mm,
+                                          '-',
+                                          dd,
+                                          ' ',
+                                          HH,
+                                          ':',
+                                          nn
+                                        ])}',
                                         style: TextStyle(
                                           fontSize: 12,
                                           color: Colors.grey.shade500,
@@ -129,7 +145,7 @@ class FeedListViewModel with ChangeNotifier {
   int pageIndex = 0;
 
   void getFlutterFeedList() async {
-    var feedEntity = await client.getTagDataList('android+in:description,name', 'updated', 'desc', pageIndex, 10);
+    var feedEntity = await client.getTagDataList('flutter+in:description,name', 'updated', 'desc', pageIndex, 10);
     var list = feedEntity.items;
     if (list.length > 0) {
       pageIndex++;
diff --git a/lib/pages/feed/restclient.dart b/lib/pages/feed/restclient.dart
index 52838e5..0b90fcd 100644
--- a/lib/pages/feed/restclient.dart
+++ b/lib/pages/feed/restclient.dart
@@ -4,6 +4,8 @@ import 'package:retrofit/retrofit.dart';
 
 part 'restclient.g.dart';
 
+/// Step 1: flutter pub upgrade
+/// Step 2: flutter pub run build_runner build
 @RestApi(baseUrl: 'https://api.github.com/search/')
 abstract class RestClient {
   factory RestClient(Dio dio, {String baseUrl}) = _RestClient;
diff --git a/pubspec.yaml b/pubspec.yaml
index 6ae553b..442ac3a 100644
--- a/pubspec.yaml
+++ b/pubspec.yaml
@@ -11,7 +11,7 @@ description: A new Flutter application.
 # 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: 3.0.0+2
+version: 3.1.0+3
 
 environment:
   sdk: ">=2.7.0 <3.0.0"