update readme

README.md

@@ -18,7 +18,7 @@
 >  原生支持 `restful api, websocket protection`  
 >  原生支持动态权限(权限配置的动态加载)  
 >  原生支持 `jwt`, `Basic Auth` ... 可扩展自定义支持的认证方式  
->  基于改进的字典匹配树大大提高性能  
+>  [基于改进的字典匹配树大大提高性能](#高性能匹配 )  
 
 >`sureness`的低配置，易扩展，不耦合其他框架，能使开发者对自己的项目多场景快速安全的进行保护  
 

README_EN.md

@@ -10,7 +10,7 @@
 > Native supports  restful api, websocket's protection  
 > Native supports dynamic permissions  
 > Native supports JWT, Basic Auth... Can extend custom supported authentication methods  
-> High performance due dictionary matching tree  
+> [High performance due dictionary matching tree](#Why Is High Performance)  
 > Sorry about google english.   
 
 [Chinese Documentation](README.md)