throw new error when path is not defined in file store
throw new error when path is not defined in file store

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