From 906d16a9e994f271837d9eaa5d5848453c428b80 Mon Sep 17 00:00:00 2001
From: lhx077 <74085352+lhx077@users.noreply.github.com>
Date: Sat, 6 Jun 2026 15:24:17 +0800
Subject: [PATCH] fix: verify downloaded files before completion

---
 .../Modules/Network/Loaders/LoaderDownload.cs                  | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/Plain Craft Launcher 2/Modules/Network/Loaders/LoaderDownload.cs b/Plain Craft Launcher 2/Modules/Network/Loaders/LoaderDownload.cs
index d2f0db0b2..97a8cf5ef 100644
--- a/Plain Craft Launcher 2/Modules/Network/Loaders/LoaderDownload.cs	
+++ b/Plain Craft Launcher 2/Modules/Network/Loaders/LoaderDownload.cs	
@@ -137,6 +137,9 @@ private async Task ProcessFileAsync(PCL.Network.DownloadFile file, CancellationT
             {
                 await FileDownloader.Download(file.Urls, file.LocalPath, file.UseBrowserUserAgent, file.CustomUserAgent,
                     cancellationToken, enableParallelChunks, file).ConfigureAwait(false);
+                var checkError = file.Check?.Check(file.LocalPath);
+                if (checkError is not null)
+                    throw new IOException($"下载文件校验失败：{checkError}");
                 break;
             }
             catch (OperationCanceledException)