fix windows test error
fix windows test error

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