Update README.md

Author: jaychou2012

README.md

@@ -23,4 +23,4 @@ QQ：852041173
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 源码已经发布，谢谢支持！
 
-![](http://img.blog.csdn.net/20141229011852906?watermark/2/text/aHR0cDovL2Jsb2cuY3Nkbi5uZXQvamF5MTAwNTAw/font/5a6L5L2T/fontsize/400/fill/I0JBQkFCMA==/dissolve/70/gravity/SouthEast)  
+![](https://github.com/jaychou2012/SwitchLayout/blob/master/Screenshot_20170829-134421.png)