public enum UiLayer
{
    /// <summary>
    /// 最底层
    /// </summary>
    Bottom,
    /// <summary>
    /// 中间层
    /// </summary>
    Middle,
    /// <summary>
    /// 较高层
    /// </summary>
    Height,
    /// <summary>
    /// 最顶层
    /// </summary>
    Pop,
}