Fix README link.

Author: hsluoyz

README.md

@@ -21,6 +21,7 @@
         <img src="https://poser.pugx.org/casbin/easyswoole-permission/license" alt="License">
     </a>
 </p>
+
 [Chinese Version](https://github.com/php-casbin/easyswoole-permission/blob/master/README_CN.md)
 
 It's based on [Casbin](https://github.com/php-casbin/php-casbin), an authorization library that supports access control models like `ACL`, `RBAC`, `ABAC`.
@@ -256,4 +257,4 @@ See [Casbin API](https://casbin.org/docs/en/management-api) for more APIs.
 
 ## License
 
-This project is licensed under the [Apache 2.0 license](LICENSE).
+This project is licensed under the [Apache 2.0 license](LICENSE).