upgrade dependency thinkit to 4.5.0
upgrade dependency thinkit to 4.5.0

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