Update README.md

Author: y500

README.md

@@ -67,11 +67,15 @@ Now open the provided link in your browser, and you will see like this:
 ![](http://noti.qiniudn.com/693916a699a78a1c01da2d93126c0ed7.png)
 
 query:
+
 ![](http://noti.qiniudn.com/21dd97948e85cf928751ef6d2b7d9266.png)
 
 edit:
+
 ![](http://noti.qiniudn.com/b081fa0e1842a05c23321d08f7cec668.png)
+
 delete:
+
 ![](http://noti.qiniudn.com/d0c7cb82ae6aadf790dc57da6c6e888f.png)