_InternalVisibleTo.cs
文件中增加 [assembly: InternalsVisibleTo("UniTask.YooAsset")]
后即可使用var handle = YooAssets.LoadAssetAsync<GameObject>("Assets/Res/Prefabs/TestImg.prefab");
await handle.ToUniTask();
var obj = handle.AssetObject as GameObject;
var go = Instantiate(obj, transform);
go.transform.localPosition = Vector3.zero;
go.transform.localScale = Vector3.one;