[self layoutIfNeeded];//如果約束還沒(méi)有生成，要強(qiáng)制約束生成才行，不然動(dòng)畫沒(méi)用

[self.bottomToolContainer mas_updateConstraints:^(MASConstraintMaker *make) {

make.top.equalTo(self.mas_bottom).offset(-(44 + 44 + self.weekItemView.viewHeight));

}];

[UIView animateWithDuration:0.25 delay:0.0 options:UIViewAnimationOptionCurveEaseInOut animations:^{

[self layoutIfNeeded];

} completion:^(BOOL finished) {

}];