update readme

Author: chenenyu

README.md

@@ -50,7 +50,7 @@ current `router-compiler` version: ![compiler](https://api.bintray.com/packages/
 |:---:|:---:|:---:|
 |0.1.0|0.4.0|0.2.0|
 |0.2.0|0.5.0|0.2.0|
-|0.3.0|0.6.0|0.3.0|
+|0.3.0|0.7.0|0.3.0|
 
 ## Simple usage