chore(doc): add new contributor: Gcaufy

README.md

@@ -62,7 +62,7 @@ You can find more example from [Wiki](https://github.com/wechaty/wechaty/wiki/Ex
 ## A Great Live Coding Tutorial
 
 <div align="center">
-<a target="_blank" href="https://blog.wechaty.io/guide/2017/01/01/getting-started-wechaty.html"><img src="https://cloud.githubusercontent.com/assets/1361891/21722581/3ec957d0-d468-11e6-8888-a91c236e0ba2.jpg" border=0 width="60%"></a>
+<a target="_blank" href="https://blog.chatie.io/guide/2017/01/01/getting-started-wechaty.html"><img src="https://cloud.githubusercontent.com/assets/1361891/21722581/3ec957d0-d468-11e6-8888-a91c236e0ba2.jpg" border=0 width="60%"></a>
 </div>
 
 The above 10 minutes video tutorial is a good start point if you are new to Wechaty.
@@ -216,6 +216,7 @@ You can directly submit pull requests for documentation changes.
 * [cherry-geqi](https://github.com/cherry-geqi)
 * [lijiarui](https://github.com/lijiarui)
 * [xinbenlv](https://github.com/xinbenlv)
+* [Gcaufy](https://github.com/Gcaufy)
 
 ## Join us