fix bug: random shuffle
fix bug: random shuffle

hack4code/BlogSpider,alone-walker/BlogSpider,alone-walker/BlogSpider,wartalker/BlogSpider,hack4code/BlogSpider,wartalker/BlogSpider,hack4code/BlogSpider,wartalker/BlogSpider,alone-walker/BlogSpider,wartalker/BlogSpider,alone-walker/BlogSpider,hack4code/BlogSpider