diff --git a/Assets/YooAsset/Samples~/Space Shooter/ThirdParty/StreamingAssetsHelper/StreamingAssetsHelper.cs b/Assets/YooAsset/Samples~/Space Shooter/ThirdParty/StreamingAssetsHelper/StreamingAssetsHelper.cs
index 623cb9f..f263093 100644
--- a/Assets/YooAsset/Samples~/Space Shooter/ThirdParty/StreamingAssetsHelper/StreamingAssetsHelper.cs	
+++ b/Assets/YooAsset/Samples~/Space Shooter/ThirdParty/StreamingAssetsHelper/StreamingAssetsHelper.cs	
@@ -8,6 +8,11 @@ using YooAsset;
 /// </summary>
 public class GameQueryServices : IQueryServices
 {
+	public string QueryDeliveryFiles(string packageName, string fileName)
+	{
+		return null;
+	}
+
 	public bool QueryStreamingAssets(string packageName, string fileName)
 	{
 		// 注意：fileName包含文件格式
diff --git a/Assets/YooAsset/Samples~/Space Shooter/ThirdParty/StreamingAssetsHelper/StreamingAssetsHelper2.cs b/Assets/YooAsset/Samples~/Space Shooter/ThirdParty/StreamingAssetsHelper/StreamingAssetsHelper2.cs
index 16173b3..b137ea7 100644
--- a/Assets/YooAsset/Samples~/Space Shooter/ThirdParty/StreamingAssetsHelper/StreamingAssetsHelper2.cs	
+++ b/Assets/YooAsset/Samples~/Space Shooter/ThirdParty/StreamingAssetsHelper/StreamingAssetsHelper2.cs	
@@ -11,6 +11,11 @@ using YooAsset;
 /// </summary>
 public class GameQueryServices2 : IQueryServices
 {
+	public string QueryDeliveryFiles(string packageName, string fileName)
+	{
+		return null;
+	}
+
 	public bool QueryStreamingAssets(string packageName, string fileName)
 	{
 		return StreamingAssetsHelper2.FileExists($"{StreamingAssetsDefine.RootFolderName}/{packageName}/{fileName}");