fix windows test error
fix windows test error

akira-cn/thinkjs,snadn/thinkjs,maxzhang/thinkjs,75team/thinkjs,thinkjs/thinkjs,75team/thinkjs,akira-cn/thinkjs,Qihoo360/thinkjs,maxzhang/thinkjs,maxzhang/thinkjs,75team/thinkjs,akira-cn/thinkjs