update doc

README-ZH.md

@@ -4,7 +4,6 @@
 
 # dio
 
-[![build status](https://img.shields.io/travis/flutterchina/dio/vm.svg?style=flat-square)](https://travis-ci.org/flutterchina/dio)
 [![Pub](https://img.shields.io/pub/v/dio.svg?style=flat-square)](https://pub.dartlang.org/packages/dio)
 [![support](https://img.shields.io/badge/platform-flutter%7Cflutter%20web%7Cdart%20vm-ff69b4.svg?style=flat-square)](https://github.com/flutterchina/dio)
 

README.md

@@ -1,8 +1,6 @@
 Language: [English](README.md) | [中文简体](README-ZH.md)
 
 # dio
-
-[![build status](https://img.shields.io/travis/flutterchina/dio/vm.svg?style=flat-square)](https://travis-ci.org/flutterchina/dio)
 [![Pub](https://img.shields.io/pub/v/dio.svg?style=flat-square)](https://pub.dartlang.org/packages/dio)
 [![support](https://img.shields.io/badge/platform-flutter%7Cflutter%20web%7Cdart%20vm-ff69b4.svg?style=flat-square)](https://github.com/flutterchina/dio)
 

dio/README-ZH.md

@@ -4,7 +4,6 @@
 
 # dio
 
-[![build status](https://img.shields.io/travis/flutterchina/dio/vm.svg?style=flat-square)](https://travis-ci.org/flutterchina/dio)
 [![Pub](https://img.shields.io/pub/v/dio.svg?style=flat-square)](https://pub.dartlang.org/packages/dio)
 [![support](https://img.shields.io/badge/platform-flutter%7Cflutter%20web%7Cdart%20vm-ff69b4.svg?style=flat-square)](https://github.com/flutterchina/dio)
 

dio/README.md

@@ -1,8 +1,6 @@
 Language: [English](README.md) | [中文简体](README-ZH.md)
 
 # dio
-
-[![build status](https://img.shields.io/travis/flutterchina/dio/vm.svg?style=flat-square)](https://travis-ci.org/flutterchina/dio)
 [![Pub](https://img.shields.io/pub/v/dio.svg?style=flat-square)](https://pub.dartlang.org/packages/dio)
 [![support](https://img.shields.io/badge/platform-flutter%7Cflutter%20web%7Cdart%20vm-ff69b4.svg?style=flat-square)](https://github.com/flutterchina/dio)
 
@@ -36,17 +34,12 @@ void getHttp() async {
 
 🎉 A curated list of awesome things related to dio.
 
-### Plugins
+### Plugins (support 4.0)
 
 | Plugins                                                      | Status                                                       | Description                                                  |
 | ------------------------------------------------------------ | ------------------------------------------------------------ | ------------------------------------------------------------ |
 | [dio_cookie_manager](https://github.com/flutterchina/dio/tree/master/plugins/cookie_manager) | [![Pub](https://img.shields.io/pub/v/dio_http2_adapter.svg?style=flat-square)](https://pub.dartlang.org/packages/dio_http2_adapter) | A cookie manager for Dio                                     |
 | [dio_http2_adapter](https://github.com/flutterchina/dio/tree/master/plugins/http2_adapter) | [![Pub](https://img.shields.io/pub/v/dio_cookie_manager.svg?style=flat-square)](https://pub.dartlang.org/packages/dio_cookie_manager) | A Dio HttpClientAdapter which support Http/2.0               |
-| [dio_flutter_transformer](https://github.com/flutterchina/dio_flutter_transformer) | [![Pub](https://img.shields.io/pub/v/dio_flutter_transformer.svg?style=flat-square)](https://pub.dartlang.org/packages/dio_flutter_transformer) | A Dio transformer especially for flutter, by which the json decoding will be in background with `compute` function. |
-| [dio_http_cache](https://github.com/hurshi/dio-http-cache)   | [![Pub](https://img.shields.io/pub/v/dio_http_cache.svg?style=flat-square)](https://pub.dartlang.org/packages/dio_http_cache) | A cache library for Dio, like [Rxcache](https://github.com/VictorAlbertos/RxCache) in Android. dio-http-cache uses [sqflite](https://github.com/tekartik/sqflite) as disk cache, and [LRU](https://github.com/google/quiver-dart) strategy as memory cache. |
-| [retrofit](https://github.com/trevorwang/retrofit.dart/)     | [![Pub](https://img.shields.io/pub/v/retrofit.svg?style=flat-square)](https://pub.dartlang.org/packages/retrofit) | retrofit.dart is an dio client generator using source_gen and inspired by Chopper and Retrofit. |
-| [dio_firebase_performance](https://github.com/eyeem/dio_firebase_performance)     | [![Pub](https://img.shields.io/pub/v/dio_firebase_performance.svg?style=flat-square)](https://pub.dartlang.org/packages/dio_firebase_performance) | A Dio Interceptor for reporting network metrics to Firebase |
- [postman_dio](https://github.com/zfx-com/postman_dio) | [![Pub](https://img.shields.io/pub/v/postman_dio.svg?style=flat-square)](https://pub.dartlang.org/packages/postman_dio) | A Dio Logger Interceptor for export to 'Postman Collection'.json |
 
 ### Related Projects