- (void)updataTopCornerRadius {

    CGRect clipRect = CGRectMake(, , self.headPhotoIv.width, self.headPhotoIv.width);

    UIBezierPath *maskPath = [UIBezierPath bezierPathWithRoundedRect:clipRect byRoundingCorners:UIRectCornerTopLeft|UIRectCornerTopRight cornerRadii:CGSizeMake(, )];

    CAShapeLayer *maskLayer = [CAShapeLayer layer];

    maskLayer.frame = clipRect;

    maskLayer.path = maskPath.CGPath;

    self.headPhotoIv.layer.mask = maskLayer;

}