diff --git a/Assets/YooAsset/Samples~/Extension Sample/Scripts/Editor/PackageImportWindow.cs b/Assets/YooAsset/Samples~/Extension Sample/Scripts/Editor/PackageImportWindow.cs
index 67ea091..f58a655 100644
--- a/Assets/YooAsset/Samples~/Extension Sample/Scripts/Editor/PackageImportWindow.cs	
+++ b/Assets/YooAsset/Samples~/Extension Sample/Scripts/Editor/PackageImportWindow.cs	
@@ -20,6 +20,7 @@ namespace YooAsset.Editor
 		}
 
 		private string _manifestPath = string.Empty;
+		private string _packageName = "DefaultPackage";
 
 		private void OnGUI()
 		{
@@ -39,7 +40,8 @@ namespace YooAsset.Editor
 			{
 				if (GUILayout.Button("导入补丁包（全部文件）", GUILayout.MaxWidth(150)))
 				{
-					AssetBundleBuilderHelper.ClearStreamingAssetsFolder();
+					string streamingAssetsRoot = AssetBundleBuilderHelper.GetDefaultStreamingAssetsRoot();
+					EditorTools.ClearFolder(streamingAssetsRoot);
 					CopyPackageFiles(_manifestPath);
 				}
 			}
@@ -57,18 +59,18 @@ namespace YooAsset.Editor
 			// 拷贝核心文件
 			{
 				string sourcePath = $"{outputDirectory}/{manifestFileName}.bytes";
-				string destPath = $"{AssetBundleBuilderHelper.GetStreamingAssetsFolderPath()}/{manifestFileName}.bytes";
+				string destPath = $"{AssetBundleBuilderHelper.GetDefaultStreamingAssetsRoot()}/{_packageName}/{manifestFileName}.bytes";
 				EditorTools.CopyFile(sourcePath, destPath, true);
 			}
 			{
 				string sourcePath = $"{outputDirectory}/{manifestFileName}.hash";
-				string destPath = $"{AssetBundleBuilderHelper.GetStreamingAssetsFolderPath()}/{manifestFileName}.hash";
+				string destPath = $"{AssetBundleBuilderHelper.GetDefaultStreamingAssetsRoot()}/{_packageName}/{manifestFileName}.hash";
 				EditorTools.CopyFile(sourcePath, destPath, true);
 			}
 			{
 				string fileName = YooAssetSettingsData.GetPackageVersionFileName(manifest.PackageName);
 				string sourcePath = $"{outputDirectory}/{fileName}";
-				string destPath = $"{AssetBundleBuilderHelper.GetStreamingAssetsFolderPath()}/{fileName}";
+				string destPath = $"{AssetBundleBuilderHelper.GetDefaultStreamingAssetsRoot()}/{_packageName}/{fileName}";
 				EditorTools.CopyFile(sourcePath, destPath, true);
 			}
 
@@ -78,7 +80,7 @@ namespace YooAsset.Editor
 			{
 				fileCount++;
 				string sourcePath = $"{outputDirectory}/{packageBundle.FileName}";
-				string destPath = $"{AssetBundleBuilderHelper.GetStreamingAssetsFolderPath()}/{packageBundle.FileName}";
+				string destPath = $"{AssetBundleBuilderHelper.GetDefaultStreamingAssetsRoot()}/{_packageName}/{packageBundle.FileName}";
 				EditorTools.CopyFile(sourcePath, destPath, true);
 			}