Release 2.2.0
Release 2.2.0

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