diff --git a/Assets/TEngine/AssetSetting/AssetBundleBuilderSetting.asset b/Assets/TEngine/AssetSetting/AssetBundleBuilderSetting.asset
index 4937b282..38995937 100644
--- a/Assets/TEngine/AssetSetting/AssetBundleBuilderSetting.asset
+++ b/Assets/TEngine/AssetSetting/AssetBundleBuilderSetting.asset
@@ -19,4 +19,4 @@ MonoBehaviour:
   OutputNameStyle: 1
   CopyBuildinFileOption: 0
   CopyBuildinFileTags: 
-  EncyptionClassName: EncryptionNone
+  EncyptionClassName: FileOffsetEncryption