Bugfix: filename was not set when rotate
Bugfix: filename was not set when rotate

fengshao0907/phptrace,narlian/phptrace,chenwenbin928/phptrace,nihaibao/phptrace,nihaibao/phptrace,chenwenbin928/phptrace,oikomi/phptrace,silkCut/phptrace,three2one/phptrace,tempbottle/phptrace,skyworker/phptrace,oikomi/phptrace,outman/phptrace,outman/phptrace,narlian/phptrace,Qihoo360/phptrace,tempbottle/phptrace,skyworker/phptrace,monque/phptrace,kmiku7/phptrace,three2one/phptrace,outman/phptrace,skyworker/phptrace,narlian/phptrace,Qihoo360/phptrace,fengshao0907/phptrace,fengshao0907/phptrace,skyworker/phptrace,tempbottle/phptrace,chenwenbin928/phptrace,kmiku7/phptrace,kmiku7/phptrace,xiaosl/phptrace,monque/phptrace,three2one/phptrace,outman/phptrace,chenwenbin928/phptrace,oikomi/phptrace,kmiku7/phptrace,xiaosl/phptrace,silkCut/phptrace,xiaosl/phptrace,nihaibao/phptrace,xiaosl/phptrace,three2one/phptrace,oikomi/phptrace,monque/phptrace,silkCut/phptrace,narlian/phptrace,tempbottle/phptrace,fengshao0907/phptrace,nihaibao/phptrace,Qihoo360/phptrace