update README

Author: haolin3

README.md

@@ -1,12 +1,9 @@
 # 和小浩学算法
 
-English version repo and Gitbook is on [english branch](https://github.com/geekxh/hello-algorithm/tree/english).Star
-! Star! Star!
-
-> 本项目于 2020.7.22 位于 github 日总榜第一！截图留念！(还没有助力的，右上角快来个 star )
-
-> [![图片展示失败，点击查看](https://www.geekxh.com/mark.png)](https://www.geekxh.com/mark.png)
-
+<div align="center">
+    <a href="https://www.geekxh.com"><img src="https://www.geekxh.com/logo_tmp.png" width="250px"></a>
+</div>
+  
 ## 简介
 
 > [![图片展示失败，点击查看](https://www.geekxh.com/book.png)](https://www.geekxh.com/book.png)