update README.md

README.md

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   <img alt="RenFeiBlog" src="./lib/assets/wordmark.light.png?raw=true" height="34">
 </picture></h1>
 
+My name is **RenFei(任霏)**, and I'm a Java programmer from China.
+
+## Navigation
+
+<img src="./lib/assets/renfei.png?raw=true" align="right" width="30%" />
+
+### My Personal Website and Blog
+
+If you speak Chinese, welcome to visit my blog: [www.renfei.net](https://www.renfei.net)
+
+### BT(BitTorrent) Tracker Service
+
+I run a public BitTorrent Tracker server: [http://tracker.renfei.net:8080/announce](http://tracker.renfei.net:8080/announce)