fix bug prev patch
fix bug prev patch

snakeliwei/pyspider,nicozhang/pyspider,binux/pyspider,wangjun/pyspider,qiulimao/weblocust,VDuda/pyspider,luoq/pyspider,luotao19861229/pyspider,snakeliwei/pyspider,qiulimao/weblocust,eromoe/pyspider,e-dorigatti/pyspider,binux/pyspider,wangjun/pyspider,binux/pyspider,wangjun/pyspider,VDuda/pyspider,luoq/pyspider,nicozhang/pyspider,e-dorigatti/pyspider,wonderay/pyspider,eromoe/pyspider,wonderay/pyspider,snakeliwei/pyspider,lashwang/pyspider,luoq/pyspider,VDuda/pyspider,qiulimao/weblocust,luotao19861229/pyspider,eromoe/pyspider,e-dorigatti/pyspider,luotao19861229/pyspider,wonderay/pyspider,lashwang/pyspider,lashwang/pyspider,nicozhang/pyspider