dd

http://download.youkuaiyun.com/detail/wodechongwu/4875900#comment

http://download.youkuaiyun.com/detail/boat1980/4351105

http://www.cnblogs.com/sixiweb/archive/2012/11/26/2789458.html

http://download.youkuaiyun.com/download/zhoujiazheng1881/6791853