- (void)hiddenAction{
    // 表示view的原來尺寸
    self.layer.transform = CATransform3DMakeScale(1, 1, 1);
    [UIView animateWithDuration:0.5 animations:^{
        // 按照比例scalex=0.001,y=0.001進行縮小
        self.layer.transform = CATransform3DMakeScale(0.001, 0.001, 1);

    } completion:^(BOOL finished) {
        // 0.5秒後將檢視移除從父上檢視
 

        [self removeFromSuperview];
    }];
}