Fixed #25

修复了资源文件不存在返回的handle无法完成的问题。

Assets/YooAsset/Runtime/AssetSystem/AssetSystem.cs

@@ -139,8 +139,8 @@ namespace YooAsset
 		{
 			if (assetInfo.IsInvalid)
 			{
-				YooLogger.Warning(assetInfo.Error);
 				CompletedProvider completedProvider = new CompletedProvider(assetInfo);
+				completedProvider.SetCompleted();
 				return completedProvider.CreateHandle<SceneOperationHandle>();
 			}
 
@@ -178,8 +178,8 @@ namespace YooAsset
 		{
 			if (assetInfo.IsInvalid)
 			{
-				YooLogger.Warning(assetInfo.Error);
 				CompletedProvider completedProvider = new CompletedProvider(assetInfo);
+				completedProvider.SetCompleted();
 				return completedProvider.CreateHandle<AssetOperationHandle>();
 			}
 
@@ -203,8 +203,8 @@ namespace YooAsset
 		{
 			if (assetInfo.IsInvalid)
 			{
-				YooLogger.Warning(assetInfo.Error);
 				CompletedProvider completedProvider = new CompletedProvider(assetInfo);
+				completedProvider.SetCompleted();
 				return completedProvider.CreateHandle<SubAssetsOperationHandle>();
 			}
 

Assets/YooAsset/Runtime/AssetSystem/Provider/CompletedProvider.cs

@@ -19,9 +19,9 @@ namespace YooAsset
 		}
 		public override void Update()
 		{
-			if (IsDone)
-				return;
-
+		}
+		public void SetCompleted()
+		{
 			if (Status == EStatus.None)
 			{
 				Status = EStatus.Fail;

Assets/YooAsset/Runtime/AssetSystem/Provider/ProviderBase.cs

@@ -128,7 +128,6 @@ namespace YooAsset
 		/// <summary>
 		/// 创建操作句柄
 		/// </summary>
-		/// <returns></returns>
 		public T CreateHandle<T>() where T : OperationHandleBase
 		{
 			// 引用计数增加