Release 2.2.4
Release 2.2.4

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