Add hessian group info (#18)

diff --git a/README.md b/README.md
index c66e222..fe8a126 100644
--- a/README.md
+++ b/README.md
@@ -1,16 +1,18 @@
 ## Hessian Lite(Apache Dubbo private version)
 
-[![Build Status](https://travis-ci.org/dubbo/hessian-lite.svg?branch=master)](https://travis-ci.org/apache/dubbo-hessian-lite)
-[![codecov](https://codecov.io/gh/dubbo/hessian-lite/branch/master/graph/badge.svg)](https://codecov.io/gh/dubbo/hessian-lite)
+[![Build Status](https://travis-ci.org/apache/dubbo-hessian-lite.svg?branch=master)](https://travis-ci.org/apache/dubbo-hessian-lite)
+[![codecov](https://codecov.io/gh/apache/dubbo-hessian-lite/branch/master/graph/badge.svg)](https://codecov.io/gh/apache/dubbo-hessian-lite)
 [![Gitter](https://badges.gitter.im/alibaba/dubbo.svg)](https://gitter.im/alibaba/dubbo?utm_source=badge&utm_medium=badge&utm_campaign=pr-badge)
 ![license](https://img.shields.io/github/license/alibaba/dubbo.svg)
 ![maven](https://img.shields.io/maven-central/v/com.alibaba/hessian-lite.svg)
 
-Hessian-lite is a Alibaba dubbo embed version of [official hessian](https://github.com/ebourg/hessian) initially.  Then this module is separated from Dubbo. All branches of [Dubbo](https://github.com/apache/incubator-dubbo) : 2.5.x, 2.6.x(since 2.6.3) and 2.7.x  are dependent on it , please see the details:
+Hessian-lite is a Alibaba dubbo embed version of [official hessian](https://github.com/ebourg/hessian) initially.  Then this module is separated from Dubbo. All branches of [Dubbo](https://github.com/apache/dubbo) : 2.5.x, 2.6.x(since 2.6.3) and 2.7.x  are dependent on it , please see the details:
 
-- [2018-07-13 Delete the code of dubbo/hessian-lite module of the 2.6.x and 2.5.x branches](https://lists.apache.org/thread.html/72f7bbca340e96fb7da6a7ada014312953cfccd19271fad8e60cbf39@%3Cdev.dubbo.apache.org%3E) 
+- [2018-07-13 Delete the code of apache/dubbo-hessian-lite module of the 2.6.x and 2.5.x branches](https://lists.apache.org/thread.html/72f7bbca340e96fb7da6a7ada014312953cfccd19271fad8e60cbf39@%3Cdev.dubbo.apache.org%3E) 
 - [2018-06-04 Moving hessian-lite from Dubbo codebase to eco-system](https://lists.apache.org/thread.html/872bbcada2db0f04145f853dd7c7f8abef589807b8089a5016478ec8@%3Cdev.dubbo.apache.org%3E) 
 
+Now we are trying to build a hessian group https://github.com/hessian-group to make maintainers of Hessian community work more closely together .
+
 ## Maven dependency
 
 ```xml