Update README.md

Jack-Cherish · web-flow · commit 3e3cab16875e · 2019-03-04T12:54:36.000+08:00
diff --git a/README.md b/README.md
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 * [CSDN博客](http://blog.csdn.net/c406495762 "悬停显示")
 * [CSDN爬虫专栏](http://blog.csdn.net/column/details/15321.html "悬停显示")<br>
 * 学习交流群【328127489】<a target="_blank" href="//shang.qq.com/wpa/qunwpa?idkey=e70f3fcff3761450fda9b43eadc1910dac308a962ef9e3e87941cd2c681c4bb4"><img border="0" src="https://github.com/Jack-Cherish/Pictures/blob/master/qqgroup.png" alt="Coder" title="Coder"></a><br>
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 * 分享技术，乐享生活：Jack Cui公众号每周五推送“程序员欢乐送”系列资讯类文章，欢迎您的关注！
-<img border="0" src="https://ww2.sinaimg.cn/large/0072Lfvtly1fxuhd2t2jqj309k09kglk.jpg" alt="Coder" title="gongzhonghao" with="200" height="200">
+<p style="text-align:center"><img border="0" src="https://ww2.sinaimg.cn/large/0072Lfvtly1fxuhd2t2jqj309k09kglk.jpg" alt="Coder" title="gongzhonghao" with="200" height="200"></p>
 
 ## 声明
 
