update file system

Assets/YooAsset/Runtime/FileSystem/Operation/FSClearAllBundleFilesOperation.cs

@@ -0,0 +1,21 @@
+
+namespace YooAsset
+{
+    internal abstract class FSClearAllBundleFilesOperation : AsyncOperationBase
+    {
+    }
+
+    internal sealed class FSClearAllBundleFilesCompleteOperation : FSClearAllBundleFilesOperation
+    {
+        internal FSClearAllBundleFilesCompleteOperation()
+        {
+        }
+        internal override void InternalOnStart()
+        {
+            Status = EOperationStatus.Succeed;
+        }
+        internal override void InternalOnUpdate()
+        {
+        }
+    }
+}

Assets/YooAsset/Runtime/FileSystem/Operation/FSClearUnusedBundleFilesOperation.cs

@@ -0,0 +1,21 @@
+
+namespace YooAsset
+{
+    internal abstract class FSClearUnusedBundleFilesOperation : AsyncOperationBase
+    {
+    }
+
+    internal sealed class FSClearUnusedBundleFilesCompleteOperation : FSClearUnusedBundleFilesOperation
+    {
+        internal FSClearUnusedBundleFilesCompleteOperation()
+        {
+        }
+        internal override void InternalOnStart()
+        {
+            Status = EOperationStatus.Succeed;
+        }
+        internal override void InternalOnUpdate()
+        {
+        }
+    }
+}

Assets/YooAsset/Runtime/FileSystem/Operation/Internal/DefaultDownloadFileOperation.cs

@@ -7,6 +7,7 @@ namespace YooAsset
         protected enum ESteps
         {
             None,
+            CheckExists,
             CreateRequest,
             CheckRequest,
             VerifyTempFile,

Assets/YooAsset/Runtime/FileSystem/Operation/Internal/FSClearAllBundleFilesOperation.cs

@@ -1,7 +0,0 @@
-
-namespace YooAsset
-{
-    internal abstract class FSClearAllBundleFilesOperation : AsyncOperationBase
-    {
-    }
-}

Assets/YooAsset/Runtime/FileSystem/Operation/Internal/FSClearUnusedBundleFilesOperation.cs

@@ -1,7 +0,0 @@
-
-namespace YooAsset
-{
-    internal abstract class FSClearUnusedBundleFilesOperation : AsyncOperationBase
-    {
-    }
-}