diff --git a/Assets/YooAsset/Samples~/Extension Sample/Runtime/ExtensionOperation/GetCacheBundleSizeOperation.cs b/Assets/YooAsset/Samples~/Extension Sample/Runtime/ExtensionOperation/GetCacheBundleSizeOperation.cs
index e5cb9c08..dc3e902c 100644
--- a/Assets/YooAsset/Samples~/Extension Sample/Runtime/ExtensionOperation/GetCacheBundleSizeOperation.cs	
+++ b/Assets/YooAsset/Samples~/Extension Sample/Runtime/ExtensionOperation/GetCacheBundleSizeOperation.cs	
@@ -65,6 +65,6 @@ public class GetCacheBundleSizeOperation : GameAsyncOperation
     {
         string rootDirectory = YooAssetSettingsData.GetYooMobileCacheRoot();
         string packageRoot = PathUtility.Combine(rootDirectory, _packageName);
-        return PathUtility.Combine(packageRoot, DefaultCacheFileSystemDefine.SaveFilesFolderName);
+        return PathUtility.Combine(packageRoot, DefaultCacheFileSystemDefine.BundleFilesFolderName);
     }
 }
\ No newline at end of file