diff --git a/src/Snap.Hutao/Snap.Hutao/Web/Hoyolab/SdkStatic/Hk4e/Launcher/Resource/LatestPackageExtension.cs b/src/Snap.Hutao/Snap.Hutao/Web/Hoyolab/SdkStatic/Hk4e/Launcher/Resource/LatestPackageExtension.cs
new file mode 100644
index 00000000..b470b1b1
--- /dev/null
+++ b/src/Snap.Hutao/Snap.Hutao/Web/Hoyolab/SdkStatic/Hk4e/Launcher/Resource/LatestPackageExtension.cs
@@ -0,0 +1,21 @@
+// Copyright (c) DGP Studio. All rights reserved.
+// Licensed under the MIT license.
+
+using System.Text;
+
+namespace Snap.Hutao.Web.Hoyolab.SdkStatic.Hk4e.Launcher.Resource;
+
+internal static class LatestPackageExtension
+{
+    public static void Patch(this LatestPackage latest)
+    {
+        StringBuilder pathBuilder = new();
+        foreach (PackageSegment segment in latest.Segments)
+        {
+            pathBuilder.AppendLine(segment.Path);
+        }
+
+        latest.Path = pathBuilder.ToStringTrimEndReturn();
+        latest.Name = latest.Segments[0].Path[..^4]; // .00X
+    }
+}
\ No newline at end of file
diff --git a/src/Snap.Hutao/Snap.Hutao/Web/Hoyolab/SdkStatic/Hk4e/Launcher/ResourceClient.cs b/src/Snap.Hutao/Snap.Hutao/Web/Hoyolab/SdkStatic/Hk4e/Launcher/ResourceClient.cs
index 94c7c03d..ca3cc16f 100644
--- a/src/Snap.Hutao/Snap.Hutao/Web/Hoyolab/SdkStatic/Hk4e/Launcher/ResourceClient.cs
+++ b/src/Snap.Hutao/Snap.Hutao/Web/Hoyolab/SdkStatic/Hk4e/Launcher/ResourceClient.cs
@@ -46,18 +46,16 @@ internal sealed partial class ResourceClient
             .TryCatchSendAsync<Response<GameResource>>(httpClient, logger, token)
             .ConfigureAwait(false);
 
-        // 补全缺失的信息
+        // 最新版完整包
         if (resp is { Data.Game.Latest: LatestPackage latest })
         {
-            StringBuilder pathBuilder = new();
-            foreach (PackageSegment segment in latest.Segments)
-            {
-                pathBuilder.AppendLine(segment.Path);
-            }
+            latest.Patch();
+        }
 
-            latest.Path = pathBuilder.ToStringTrimEndReturn();
-            string path = latest.Segments[0].Path[..^4]; // .00X
-            latest.Name = Path.GetFileName(path);
+        // 预下载完整包
+        if (resp is { Data.PreDownloadGame.Latest: LatestPackage preDownloadLatest })
+        {
+            preDownloadLatest.Patch();
         }
 
         return Response.Response.DefaultIfNull(resp);