readme

README.md

-# SkyAPM PHP sdk
+SkyAPM PHP
+==========
 
-SkyAPM PHP sdk is the PHP instrumentation agent, which is compatible with [Apache SkyWalking(Incubating) APM](https://github.com/apache/incubator-skywalking) backend and others compatible agents/SDKs
+<img src="https://skyapmtest.github.io/page-resources/SkyAPM/skyapm.png" alt="Sky Walking logo" height="90px" align="right" />
+
+**SkyAPM PHP** is the PHP instrumentation agent, which is compatible with [Apache SkyWalking](https://github.com/apache/skywalking) backend and others compatible agents/SDKs
 
 ## Documents
-* [Document in English](docs/README.md)
+* [Documents in English](docs/README.md)
+
+## Live Demo
+Host in Beijing. Go to [demo](http://106.75.237.45:8080/).
+- Username: admin
+- Password: admin
+
+**Video on youtube.com**
+
+[![RocketBot UI](http://img.youtube.com/vi/JC-Anlshqx8/0.jpg)](http://www.youtube.com/watch?v=JC-Anlshqx8)
 
 ## Support List
 1. CURL
+1. PDO
 
-# Contact Us
-* Submit an issue
-* [Gitter](https://gitter.im/openskywalking/Lobby)
-* QQ Group: 392443393
+## Contact Us
+* Submit an [issue](https://github.com/SkyAPM/SkyAPM-php-sdk/issues)
+* Mail list: **dev@skywalking.apache.org**. Mail to `dev-subscribe@skywalking.apache.org`, follow the reply to subscribe the mail list.
+* Join `#skywalking` channel at [Apache Slack](https://join.slack.com/t/the-asf/shared_invite/enQtNDQ3OTEwNzE1MDg5LWY2NjkwMTEzMGI2ZTI1NzUzMDk0MzJmMWM1NWVmODg0MzBjNjAxYzUwMjIwNDI3MjlhZWRjNmNhOTM5NmIxNDk)
+* QQ Group: 392443393(2000/2000, not available), 901167865(available)
 
-# Who Uses SkyAPM-PHP ?
+## Who Uses SkyAPM-PHP ?
 
 A wide variety of companies and organizations use SkyAPM-PHP for research, production and commercial product. Here is the **User Wall** of SkyAPM-PHP.
 
 ![Who Uses SkyAPM-PHP](./who-uses.jpg)
+
+## License
+[Apache 2.0](LICENSE)