diff --git a/Assets/YooAsset/Runtime/AssetSystem/Loader/AssetBundleFileLoader.cs b/Assets/YooAsset/Runtime/AssetSystem/Loader/AssetBundleFileLoader.cs
index efdd1c0..b3fe009 100644
--- a/Assets/YooAsset/Runtime/AssetSystem/Loader/AssetBundleFileLoader.cs
+++ b/Assets/YooAsset/Runtime/AssetSystem/Loader/AssetBundleFileLoader.cs
@@ -26,7 +26,7 @@ namespace YooAsset
 		private DownloaderBase _unpacker;
 		private DownloaderBase _downloader;
 		private AssetBundleCreateRequest _createRequest;
-		private FileStream _fileStream;
+		private Stream _stream;
 
 
 		public AssetBundleFileLoader(AssetSystemImpl impl, BundleInfo bundleInfo) : base(impl, bundleInfo)
@@ -196,12 +196,12 @@ namespace YooAsset
 					}
 					else if (loadMethod == EBundleLoadMethod.LoadFromStream)
 					{
-						_fileStream = Impl.DecryptionServices.LoadFromStream(fileInfo);
+						_stream = Impl.DecryptionServices.LoadFromStream(fileInfo);
 						uint managedReadBufferSize = Impl.DecryptionServices.GetManagedReadBufferSize();
 						if (_isWaitForAsyncComplete)
-							CacheBundle = AssetBundle.LoadFromStream(_fileStream, 0, managedReadBufferSize);
+							CacheBundle = AssetBundle.LoadFromStream(_stream, 0, managedReadBufferSize);
 						else
-							_createRequest = AssetBundle.LoadFromStreamAsync(_fileStream, 0, managedReadBufferSize);
+							_createRequest = AssetBundle.LoadFromStreamAsync(_stream, 0, managedReadBufferSize);
 					}
 					else
 					{
@@ -265,11 +265,11 @@ namespace YooAsset
 		{
 			base.Destroy(forceDestroy);
 
-			if (_fileStream != null)
+			if (_stream != null)
 			{
-				_fileStream.Close();
-				_fileStream.Dispose();
-				_fileStream = null;
+				_stream.Close();
+				_stream.Dispose();
+				_stream = null;
 			}
 		}
 
diff --git a/Assets/YooAsset/Runtime/Services/IDecryptionServices.cs b/Assets/YooAsset/Runtime/Services/IDecryptionServices.cs
index 11ea5b0..52e8fd9 100644
--- a/Assets/YooAsset/Runtime/Services/IDecryptionServices.cs
+++ b/Assets/YooAsset/Runtime/Services/IDecryptionServices.cs
@@ -32,7 +32,7 @@ namespace YooAsset
 		/// <summary>
 		/// 文件流解密方法
 		/// </summary>
-		System.IO.FileStream LoadFromStream(DecryptFileInfo fileInfo);
+		System.IO.Stream LoadFromStream(DecryptFileInfo fileInfo);
 
 		/// <summary>
 		/// 文件流解密的托管缓存大小