fix eslint errors for base session
fix eslint errors for base session

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