private IEnumerator showTipsCoroutine(float delay) { Debugger.Log("itemid:" + _itemInfo.itemData.id); yield return(new WaitForSeconds(delay)); RectTransform rectTran = transform as RectTransform; Vector2 sizeDelta = new Vector2(100, 100); if (rectTran != null) { sizeDelta = (transform as RectTransform).sizeDelta; } _itemView = CommonItemDesView.Open(_itemInfo, transform.position, sizeDelta); }