diff --git a/Assets/TEngine/Runtime/GameFramework/Resource/YooAsset/AssetSystem/Handles/AssetOperationHandle.cs b/Assets/TEngine/Runtime/GameFramework/Resource/YooAsset/AssetSystem/Handles/AssetOperationHandle.cs
index 24a43d20..f1fd8d3d 100644
--- a/Assets/TEngine/Runtime/GameFramework/Resource/YooAsset/AssetSystem/Handles/AssetOperationHandle.cs
+++ b/Assets/TEngine/Runtime/GameFramework/Resource/YooAsset/AssetSystem/Handles/AssetOperationHandle.cs
@@ -1,5 +1,4 @@
 using System;
-using System.Collections.Generic;
 using UnityEngine;
 
 namespace YooAsset