具有滚动功能的子视图从集合视图单元格消失

class CustomCollectionViewCell: UICollectionViewCell {
    let scrollView = UIScrollView()
    let contentView = UIView()

    override init(frame: CGRect) {
        super.init(frame: frame)
        setupViews()
    }

    required init?(coder aDecoder: NSCoder) {
        super.init(coder: aDecoder)
        setupViews()
    }

    private func setupViews() {
        contentView.translatesAutoresizingMaskIntoConstraints = false
        scrollView.addSubview(contentView)
        contentView.leadingAnchor.constraint(equalTo: scrollView.leadingAnchor).isActive = true
        contentView.trailingAnchor.constraint(equalTo: scrollView.trailingAnchor).isActive = true
        contentView.topAnchor.constraint(equalTo: scrollView.topAnchor).isActive = true
        contentView.bottomAnchor.constraint(equalTo: scrollView.bottomAnchor).isActive = true
        contentView.widthAnchor.constraint(equalTo: scrollView.widthAnchor).isActive = true

        scrollView.translatesAutoresizingMaskIntoConstraints = false
        addSubview(scrollView)
        scrollView.leadingAnchor.constraint(equalTo: leadingAnchor).isActive = true
        scrollView.trailingAnchor.constraint(equalTo: trailingAnchor).isActive = true
        scrollView.topAnchor.constraint(equalTo: topAnchor).isActive = true
        scrollView.bottomAnchor.constraint(equalTo: bottomAnchor).isActive = true
    }
}

override func prepareForReuse() {
    super.prepareForReuse()
    // 重置子视图的状态
    scrollView.contentOffset = .zero
    // 移除所有子视图并重新添加
    contentView.subviews.forEach { $0.removeFromSuperview() }
    // 添加新的子视图
    // ...
}

private func setupConstraints() {
    contentView.translatesAutoresizingMaskIntoConstraints = false
    scrollView.addSubview(contentView)
    NSLayoutConstraint.activate([
        contentView.leadingAnchor.constraint(equalTo: scrollView.leadingAnchor),
        contentView.trailingAnchor.constraint(equalTo: scrollView.trailingAnchor),
        contentView.topAnchor.constraint(equalTo: scrollView.topAnchor),
        contentView.bottomAnchor.constraint(equalTo: scrollView.bottomAnchor),
        contentView.widthAnchor.constraint(equalTo: scrollView.widthAnchor)
    ])

    scrollView.translatesAutoresizingMaskIntoConstraints = false
    addSubview(scrollView)
    NSLayoutConstraint.activate([
        scrollView.leadingAnchor.constraint(equalTo: leadingAnchor),
        scrollView.trailingAnchor.constraint(equalTo: trailingAnchor),
        scrollView.topAnchor.constraint(equalTo: topAnchor),
        scrollView.bottomAnchor.constraint(equalTo: bottomAnchor)
    ])
}