add screen shot on read me file

readme.md

@@ -5,10 +5,18 @@ PHPHub is a `Forum project` written in `Laravel4.2`, and it is also the project
 
 The [phphub.org](http://phphub.org) site is entirely open source, and community involvement is not only encouraged, but required in order to ensure the future success of the project.
 
-If you have any questions please don't hesitate to ask them in an issue or email me at [email protected].
+ If you have any questions please don't hesitate to ask them in an issue or email me at [email protected].
 
 [![Build Status](https://api.travis-ci.org/summerblue/phphub.svg?branch=master)](https://travis-ci.org/summerblue/phphub)
 
+### Screen Shots
+
+![](http://ww3.sinaimg.cn/large/6d86d850gw1ejre58qql6j21kw177tif.jpg)
+
+![](http://ww3.sinaimg.cn/large/6d86d850gw1ejre5gl0sjj21kw16z7ch.jpg)
+
+![](http://ww3.sinaimg.cn/large/6d86d850gw1ejre8frigyj20td0ma77d.jpg)
+
 ## Requirements and Environment
 
 * PHP 5.4+