diff --git a/Assets/YooAsset/Samples~/Test Sample/Editor/TestPackageBuilder.cs b/Assets/YooAsset/Samples~/Test Sample/Editor/TestPackageBuilder.cs
index bd21c595..188ef4c6 100644
--- a/Assets/YooAsset/Samples~/Test Sample/Editor/TestPackageBuilder.cs	
+++ b/Assets/YooAsset/Samples~/Test Sample/Editor/TestPackageBuilder.cs	
@@ -71,7 +71,7 @@ public static class TestPackageBuilder
             buildParameters.ClearBuildCacheFiles = true;
             buildParameters.UseAssetDependencyDB = true;
             buildParameters.BuiltinShadersBundleName = builtinShaderBundleName;
-            buildParameters.EncryptionServices = new FileStreamTestEncryption();
+            buildParameters.EncryptionServices = new TestFileStreamEncryption();
 
             var pipeline = new ScriptableBuildPipeline();
             BuildResult buildResult = pipeline.Run(buildParameters, false);
@@ -108,7 +108,7 @@ public static class TestPackageBuilder
             buildParameters.CompressOption = ECompressOption.LZ4;
             buildParameters.ClearBuildCacheFiles = true;
             buildParameters.UseAssetDependencyDB = true;
-            buildParameters.EncryptionServices = new FileStreamTestEncryption();
+            buildParameters.EncryptionServices = new TestFileStreamEncryption();
 
             var pipeline = new BuiltinBuildPipeline();
             BuildResult buildResult = pipeline.Run(buildParameters, false);
diff --git a/Assets/YooAsset/Samples~/Test Sample/Runtime/T2_TestBuldinFileSystem/T2_TestBuldinFileSystem.cs b/Assets/YooAsset/Samples~/Test Sample/Runtime/T2_TestBuldinFileSystem/T2_TestBuldinFileSystem.cs
index a4b28585..68f61fdc 100644
--- a/Assets/YooAsset/Samples~/Test Sample/Runtime/T2_TestBuldinFileSystem/T2_TestBuldinFileSystem.cs	
+++ b/Assets/YooAsset/Samples~/Test Sample/Runtime/T2_TestBuldinFileSystem/T2_TestBuldinFileSystem.cs	
@@ -60,7 +60,7 @@ public class T2_TestBuldinFileSystem : IPrebuildSetup, IPostBuildCleanup
 
             // 初始化资源包
             var initParams = new OfflinePlayModeParameters();
-            var decryption = new FileStreamTestDecryption();
+            var decryption = new TestFileStreamDecryption();
             initParams.BuildinFileSystemParameters = FileSystemParameters.CreateDefaultBuildinFileSystemParameters(decryption, packageRoot);
             initParams.BuildinFileSystemParameters.AddParameter(FileSystemParametersDefine.DISABLE_CATALOG_FILE, true);
             var initializeOp = package.InitializeAsync(initParams);
diff --git a/Assets/YooAsset/Samples~/Test Sample/Runtime/T2_TestBuldinFileSystem/TestBundleEncryption.cs b/Assets/YooAsset/Samples~/Test Sample/Runtime/T2_TestBuldinFileSystem/TestBundleEncryption.cs
index 760cb6bf..bb297e5c 100644
--- a/Assets/YooAsset/Samples~/Test Sample/Runtime/T2_TestBuldinFileSystem/TestBundleEncryption.cs	
+++ b/Assets/YooAsset/Samples~/Test Sample/Runtime/T2_TestBuldinFileSystem/TestBundleEncryption.cs	
@@ -34,7 +34,7 @@ public class TestBundleEncryption
 /// <summary>
 /// 文件流加密方式
 /// </summary>
-public class FileStreamTestEncryption : IEncryptionServices
+public class TestFileStreamEncryption : IEncryptionServices
 {
     public EncryptResult Encrypt(EncryptFileInfo fileInfo)
     {
@@ -64,7 +64,7 @@ public class FileStreamTestEncryption : IEncryptionServices
 /// <summary>
 /// 文件偏移加密方式
 /// </summary>
-public class FileOffsetTestEncryption : IEncryptionServices
+public class TestFileOffsetEncryption : IEncryptionServices
 {
     public EncryptResult Encrypt(EncryptFileInfo fileInfo)
     {
@@ -119,7 +119,7 @@ public class BundleStream : FileStream
 /// <summary>
 /// 资源文件流解密类
 /// </summary>
-public class FileStreamTestDecryption : IDecryptionServices
+public class TestFileStreamDecryption : IDecryptionServices
 {
     /// <summary>
     /// 同步方式获取解密的资源包对象
@@ -180,7 +180,7 @@ public class FileStreamTestDecryption : IDecryptionServices
 /// <summary>
 /// 资源文件偏移解密类
 /// </summary>
-public class FileOffsetTestDecryption : IDecryptionServices
+public class TestFileOffsetDecryption : IDecryptionServices
 {
     /// <summary>
     /// 同步方式获取解密的资源包对象
@@ -240,7 +240,7 @@ public class FileOffsetTestDecryption : IDecryptionServices
 /// WebGL平台解密类
 /// 注意：WebGL平台支持内存解密
 /// </summary>
-public class WebFileStreamTestDecryption : IWebDecryptionServices
+public class TestWebFileStreamDecryption : IWebDecryptionServices
 {
     public WebDecryptResult LoadAssetBundle(WebDecryptFileInfo fileInfo)
     {
diff --git a/Assets/YooAsset/Samples~/Test Sample/Runtime/T2_TestBuldinFileSystem/TestManifestEncryption.cs b/Assets/YooAsset/Samples~/Test Sample/Runtime/T2_TestBuldinFileSystem/TestManifestEncryption.cs
new file mode 100644
index 00000000..706a84e8
--- /dev/null
+++ b/Assets/YooAsset/Samples~/Test Sample/Runtime/T2_TestBuldinFileSystem/TestManifestEncryption.cs	
@@ -0,0 +1,55 @@
+using System;
+using System.IO;
+using System.Text;
+using System.Collections;
+using UnityEngine;
+using NUnit.Framework;
+using YooAsset;
+
+public class TestManifestEncryption : IManifestServices
+{
+    public byte[] ProcessManifest(byte[] fileData)
+    {
+        return XorProcess(fileData, "YOO");
+    }
+    public byte[] RestoreManifest(byte[] fileData)
+    {
+        return XorProcess(fileData, "YOO");
+    }
+
+    /// <summary>
+    /// 使用异或加密/解密字节数组
+    /// </summary>
+    /// <param name="data">输入数据</param>
+    /// <param name="key">加密密钥</param>
+    /// <returns>处理后的字节数组</returns>
+    public static byte[] XorProcess(byte[] data, byte[] key)
+    {
+        if (data == null)
+            throw new ArgumentNullException(nameof(data));
+
+        if (key == null || key.Length == 0)
+            throw new ArgumentException("Key cannot be null or empty");
+
+        byte[] result = new byte[data.Length];
+        for (int i = 0; i < data.Length; i++)
+        {
+            // 循环使用密钥中的字节
+            result[i] = (byte)(data[i] ^ key[i % key.Length]);
+        }
+
+        return result;
+    }
+
+    /// <summary>
+    /// 使用字符串密钥进行异或处理（自动转换编码）
+    /// </summary>
+    /// <param name="data">输入数据</param>
+    /// <param name="key">字符串密钥</param>
+    /// <returns>处理后的字节数组</returns>
+    public static byte[] XorProcess(byte[] data, string key)
+    {
+        byte[] keyBytes = System.Text.Encoding.UTF8.GetBytes(key);
+        return XorProcess(data, keyBytes);
+    }
+}
\ No newline at end of file
diff --git a/Assets/YooAsset/Samples~/Test Sample/Runtime/T2_TestBuldinFileSystem/TestManifestEncryption.cs.meta b/Assets/YooAsset/Samples~/Test Sample/Runtime/T2_TestBuldinFileSystem/TestManifestEncryption.cs.meta
new file mode 100644
index 00000000..e1a3533e
--- /dev/null
+++ b/Assets/YooAsset/Samples~/Test Sample/Runtime/T2_TestBuldinFileSystem/TestManifestEncryption.cs.meta	
@@ -0,0 +1,11 @@
+fileFormatVersion: 2
+guid: 437432f4d3838124085c13253d0c0094
+MonoImporter:
+  externalObjects: {}
+  serializedVersion: 2
+  defaultReferences: []
+  executionOrder: 0
+  icon: {instanceID: 0}
+  userData: 
+  assetBundleName: 
+  assetBundleVariant: