504 Gateway Time-out FSCS/0.1.1 http://zh-cn.facebook.com/
502 Bad Gateway FSCS/0.1.1 http://news.xinhuanet.com/world/2010-12/29/c_12930535.htm
504 Gateway Time-out FSCS/0.1.1 http://price.zol.com.cn/209/2097951.html
504 Gateway Time-out FSCS/0.1.1 http://www.xici.net/#d127366960.htm
502 Bad Gateway FSCS/0.1.1 http://tech.163.com/10/1229/20/6P3MFTO2000915BD.html
500 Internal Server Error FSCS/0.1.1 http://bbs.chinanews.com.cn/thread-2201591-1-1.html
504 Gateway Time-out FSCS/0.1.1 http://rent.house365.com/
504 Gateway Time-out FSCS/0.1.1 http://pc.toshiba.com.cn/service/download_detail.jsp
502 Bad Gateway FSCS/0.1.1 http://903434884.qzone.qq.com/
400 Bad Request FSCS/0.1.1
end