diff --git a/Assets/YooAsset/Runtime/AssetSystem/Handles/AssetOperationHandle.cs b/Assets/YooAsset/Runtime/AssetSystem/Handles/AssetOperationHandle.cs
index 20cf027..c0783b7 100644
--- a/Assets/YooAsset/Runtime/AssetSystem/Handles/AssetOperationHandle.cs
+++ b/Assets/YooAsset/Runtime/AssetSystem/Handles/AssetOperationHandle.cs
@@ -87,7 +87,7 @@ namespace YooAsset
 		/// <returns></returns>
 		public GameObject InstantiateSync(Transform parent = null)
 		{
-			return InstantiateSyncInternal(Vector3.zero, Quaternion.identity, parent, false);
+			return InstantiateSyncInternal(Vector3.zero, Quaternion.identity, parent);
 		}
 
 		/// <summary>
@@ -98,7 +98,7 @@ namespace YooAsset
 		/// <param name="parent">父类对象</param>
 		public GameObject InstantiateSync(Vector3 position, Quaternion rotation, Transform parent = null)
 		{
-			return InstantiateSyncInternal(position, rotation, parent, true);
+			return InstantiateSyncInternal(position, rotation, parent);
 		}
 
 		/// <summary>
@@ -107,7 +107,7 @@ namespace YooAsset
 		/// <param name="parent">父类对象</param>
 		public InstantiateOperation InstantiateAsync(Transform parent = null)
 		{
-			return InstantiateAsyncInternal(Vector3.zero, Quaternion.identity, parent, false);
+			return InstantiateAsyncInternal(Vector3.zero, Quaternion.identity, parent);
 		}
 
 		/// <summary>
@@ -118,37 +118,23 @@ namespace YooAsset
 		/// <param name="parent">父类对象</param>
 		public InstantiateOperation InstantiateAsync(Vector3 position, Quaternion rotation, Transform parent = null)
 		{
-			return InstantiateAsyncInternal(position, rotation, parent, true);
+			return InstantiateAsyncInternal(position, rotation, parent);
 		}
 
 
-		private GameObject InstantiateSyncInternal(Vector3 position, Quaternion rotation, Transform parent, bool setPositionRotation)
+		private GameObject InstantiateSyncInternal(Vector3 position, Quaternion rotation, Transform parent)
 		{
 			if (IsValid == false)
 				return null;
 			if (Provider.AssetObject == null)
 				return null;
 
-			GameObject result;
-			if (setPositionRotation)
-			{
-				if (parent == null)
-					result = UnityEngine.Object.Instantiate(Provider.AssetObject as GameObject, position, rotation);
-				else
-					result = UnityEngine.Object.Instantiate(Provider.AssetObject as GameObject, position, rotation, parent);
-			}
-			else
-			{
-				if (parent == null)
-					result = UnityEngine.Object.Instantiate(Provider.AssetObject as GameObject);
-				else
-					result = UnityEngine.Object.Instantiate(Provider.AssetObject as GameObject, parent);
-			}
-			return result;
+			GameObject clone = UnityEngine.Object.Instantiate(Provider.AssetObject as GameObject, position, rotation, parent);			
+			return clone;
 		}
-		private InstantiateOperation InstantiateAsyncInternal(Vector3 position, Quaternion rotation, Transform parent, bool setPositionRotation)
+		private InstantiateOperation InstantiateAsyncInternal(Vector3 position, Quaternion rotation, Transform parent)
 		{
-			InstantiateOperation operation = new InstantiateOperation(this, position, rotation, parent, setPositionRotation);
+			InstantiateOperation operation = new InstantiateOperation(this, position, rotation, parent);
 			OperationSystem.StartOperation(operation);
 			return operation;
 		}
diff --git a/Assets/YooAsset/Runtime/AssetSystem/Operations/InstantiateOperation.cs b/Assets/YooAsset/Runtime/AssetSystem/Operations/InstantiateOperation.cs
index ca3be38..49ebcc2 100644
--- a/Assets/YooAsset/Runtime/AssetSystem/Operations/InstantiateOperation.cs
+++ b/Assets/YooAsset/Runtime/AssetSystem/Operations/InstantiateOperation.cs
@@ -15,7 +15,6 @@ namespace YooAsset
 		private readonly Vector3 _position;
 		private readonly Quaternion _rotation;
 		private readonly Transform _parent;
-		private readonly bool _setPositionRotation;
 		private ESteps _steps = ESteps.None;
 
 		/// <summary>
@@ -24,13 +23,12 @@ namespace YooAsset
 		public GameObject Result = null;
 
 
-		internal InstantiateOperation(AssetOperationHandle handle, Vector3 position, Quaternion rotation, Transform parent, bool setPositionRotation)
+		internal InstantiateOperation(AssetOperationHandle handle, Vector3 position, Quaternion rotation, Transform parent)
 		{
 			_handle = handle;
 			_position = position;
 			_rotation = rotation;
 			_parent = parent;
-			_setPositionRotation = setPositionRotation;
 		}
 		internal override void Start()
 		{
@@ -62,20 +60,8 @@ namespace YooAsset
 					return;
 				}
 
-				if (_setPositionRotation)
-				{
-					if (_parent == null)
-						Result = Object.Instantiate(_handle.AssetObject as GameObject, _position, _rotation);
-					else
-						Result = Object.Instantiate(_handle.AssetObject as GameObject, _position, _rotation, _parent);
-				}
-				else
-				{
-					if (_parent == null)
-						Result = Object.Instantiate(_handle.AssetObject as GameObject);
-					else
-						Result = Object.Instantiate(_handle.AssetObject as GameObject, _parent);
-				}
+				// 实例化游戏对象
+				Result = Object.Instantiate(_handle.AssetObject as GameObject, _position, _rotation, _parent);
 
 				_steps = ESteps.Done;
 				Status = EOperationStatus.Succeed;
@@ -94,5 +80,16 @@ namespace YooAsset
 				Error = $"User cancelled !";
 			}
 		}
+
+		/// <summary>
+		/// 等待异步实例化结束
+		/// </summary>
+		public void WaitForAsyncComplete()
+		{
+			if (_steps == ESteps.Done)
+				return;
+			_handle.WaitForAsyncComplete();
+			Update();
+		}
 	}
 }
\ No newline at end of file
diff --git a/Assets/YooAsset/Runtime/InitializeParameters.cs b/Assets/YooAsset/Runtime/InitializeParameters.cs
index 58946b7..4810e96 100644
--- a/Assets/YooAsset/Runtime/InitializeParameters.cs
+++ b/Assets/YooAsset/Runtime/InitializeParameters.cs
@@ -9,7 +9,6 @@ namespace YooAsset
 	{
 		/// <summary>
 		/// 编辑器下的模拟模式
-		/// 注意：在初始化的时候自动构建真机模拟环境。
 		/// </summary>
 		EditorSimulateMode,