Update README.md

Author: KieSun

README.md

@@ -9,6 +9,7 @@
 <h4 align="center">This is a map that can help you make a better preparation for the next interview</h4>
 
 [中文版本](./README-ZH.md)
+[Online version is clearer to read](https://yuchengkai.cn/docs/)
 
 ## Foreword
 
@@ -55,4 +56,4 @@ If the interviewmap helps you with your interview or study, you can [support our
 
 
 ## protocol
-[MIT](LICENSE). Copyright (c)
+[MIT](LICENSE). Copyright (c)