auto convert page to limit when set options in model
auto convert page to limit when set options in model

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