diff --git a/README-en.md b/README-en.md
index 7862edad..3f540afd 100644
--- a/README-en.md
+++ b/README-en.md
@@ -1,24 +1,97 @@
-## Flutter Go
+# Flutter Go
+[中文简体](https://github.com/alibaba/flutter-go/blob/master/README.md) | Language: [English](https://github.com/alibaba/flutter-go/blob/master/README-en.md)
-> Help developers get started quickly Flutter **Flutter Go 1.0 Android has been released**
+> Help developers get started quickly Flutter
+## News
+### 🔥 `Flutter Go 2.0` released
+> Flutter Go 2.0 according to [The Flutter-Go Roadmap for 2019](https://github.com/alibaba/flutter-go#the-flutter-go-roadmap%E8%B7%AF%E7%BA%BF%E5%9B%BE-for-2019) beginning of the year, the new feature is:
-## Download URL
+mark：✔ is this version
-Android download URL:
+- [x] [ `Flutter Go` website ](https://flutter-go.pub/website/) (news，publish，learn)
+- [x] [ `Flutter Go web` ](https://github.com/alibaba/flutter-go/tree/web/flutter-go-web-0.0.1) (web version to learn)
+ - [online preview ](https://flutter-go.pub/flutter_go_web/)
+ - [resource ](https://github.com/alibaba/flutter-go/tree/web/flutter-go-web-0.0.1)
-
+- [x] [ `Flutter Go Widget` `pull request` rules ( the third )](https://github.com/alibaba/flutter-go/blob/master/docs/contribute.md)
-Iphone download URL:
-No
+- [x] user center (yourself `widget`)
+ - login (with `GitHub`)
+ - search (search about `Flutter`)
+ - favorite component (save online)
+ - issues (APP online `ISSUES`)
+ - favorite (APP favorite)
+- [x] [ `go-cli` tool ](https://github.com/alibaba/flutter-go/blob/master/docs/widget.md)
+ - `Flutter Go` `pull request` tools
+ - [ build `Flutter Go Widget` standard template with terminal ](https://github.com/alibaba/flutter-go/blob/beta/docs/widget.md)
+ - `markdown` template (when merge master breach)
+- [x] ` Flutter Go ` `APP` auto upgrade
+- [ ] template sync ( pc, native )
+- [ ] `Flutter Go` store
+
+## Third part build
+
+Because the content of ** flutter ** is updated faster, we can't enrich the content of the project faster, If you are willing to contribute to the development and learning of flutter, please see the [build instructions](https://github.com/alibaba/flutter-go/blob/master/docs/contribute.md) before you start, we will put the builder's avatar and nick to the websit.
+
+## Logs
+
+[resource](https://github.com/alibaba/flutter-go/blob/develop/CHANGE-LOG.md)
+
+## Development specification
+> we are based on the official [dart language specification](https://www.dartlang.org)。
+
+[<< Flutter Go development specification >>](https://github.com/alibaba/flutter-go/blob/develop/Flutter_Go%20%E4%BB%A3%E7%A0%81%E5%BC%80%E5%8F%91%E8%A7%84%E8%8C%83.md)
+
+## The Flutter-Go Roadmap for 2019
+> Considering Flutter's future changes and strategy variability, roadmap does not rule out some adjustments, but overall it will not change much.
+
+
+
+## How to use
+
+- checkout version
+```dart
+ flutter --version
+```
+- run doctor
+```dart
+ flutter doctor
+```
+- start app
+```dart
+ flutter packages get
+ flutter run
+```
+
+- other issues
+ - https://flutterchina.club/setup-macos/
+ - https://flutter.dev/docs/get-started/install/macos
+
+## Release
+
+### Android:
+
+- [Download](https://github.com/alibaba/flutter-go/blob/master/android/app/release/app-release.apk)
+
+### Ios:
+
+- AppStore search "Fluttergo"
## Development Environment
This Project need latest package, please update regularly.
-- dart(version: 2.0.0)
-- flutter(version: v1.0.0)
+```dart
+flutter --version
+dart --version
+pub --version
+
+// Flutter (Channel beta, v1.7.8)
+// Dart VM version: 2.4.0
+// Pub 2.4.0
+```
### Background
@@ -85,4 +158,4 @@ The advantages of Flutter mainly include:
-Powered by Alibaba Auction Front-end Team
+Powered by Alibaba Auction Front-end Team
\ No newline at end of file
diff --git a/lib/widgets/components/Navigation/BottomNavigationBar/demo.dart b/lib/widgets/components/Navigation/BottomNavigationBar/demo.dart
index 6771263b..62af199c 100644
--- a/lib/widgets/components/Navigation/BottomNavigationBar/demo.dart
+++ b/lib/widgets/components/Navigation/BottomNavigationBar/demo.dart
@@ -36,6 +36,8 @@ class _BottomNavigationBarFullDefault extends State {
currentIndex: _currentIndex, // 当前所高亮的按钮index
onTap: _onItemTapped, // 点击里面的按钮的回调函数，参数为当前点击的按钮 index
fixedColor: Colors.deepPurple, // 如果 type 类型为 fixed，则通过 fixedColor 设置选中 item 的颜色
+ selectedFontSize: 12.0,
+ unselectedFontSize: 12.0,
items: [
BottomNavigationBarItem(
title: Text("Home"), icon: Icon(Icons.home)),
diff --git a/lib/widgets/components/Navigation/BottomNavigationBar/index.dart b/lib/widgets/components/Navigation/BottomNavigationBar/index.dart
index 019ea65b..ae1e72e5 100644
--- a/lib/widgets/components/Navigation/BottomNavigationBar/index.dart
+++ b/lib/widgets/components/Navigation/BottomNavigationBar/index.dart
@@ -25,6 +25,7 @@ const String _text1 =
- 它作为 Scaffold.bottomNavigationBar 参数;
- BottomNavigationBar 3-5个之间个底部按钮数量是合理的，理论上 icon 大小合适，可以支持更多;
- 默认0-3个底部按钮数量时，BottomNavigationBar采用fixed的模式摆放底部按钮，当有4个时默认使用 BottomNavigationBarType.shifting 模式摆放底部按钮;
+- 大多数人可能不需要选中文字被放大，可以通过 设置 selectedFontSize 与 unselectedFontSize 同等大小覆盖默认效果;
- 下面的底部导航即是效果;
""";