Update README.md

README.md

@@ -14,6 +14,7 @@ FlyRefreshLayout刷新组件基于SuperSwipeRefreshLayout进行二次开发，
 <img src="https://github.com/geduo83/FlyRefreshLayout/blob/master/app/src/main/assets/daisy.gif">
 <img src="https://github.com/geduo83/FlyRefreshLayout/blob/master/app/src/main/assets/arrow.gif" style="margin-left:100px">  
 </div>
+
 ### 类关系图
 * 基本类图
 ![](https://img-blog.csdnimg.cn/20190228103457115.png?x-oss-process=image/watermark,type_ZmFuZ3poZW5naGVpdGk,shadow_10,text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L2dlZHVvXzgz,size_16,color_FFFFFF,t_70)