private void OnDestroy()
        {
            _textureAtlas?.Destroy();
            _textureAtlas = null;

            if (_instance == this)
            {
                _instance = null;
            }
        }
        private void Awake()
        {
            // 只允许有一个对象
            if (_instance != null && _instance != this)
            {
                Debug.LogWarning("TextureAtlasManager已存在,请勿重复创建!");
                Destroy(this);
                return;
            }

            _instance = this;
        }