diff --git a/WindowsTools/Properties/AssemblyInfo.cs b/WindowsTools/Properties/AssemblyInfo.cs
index 74f3c60..73bd169 100644
--- a/WindowsTools/Properties/AssemblyInfo.cs
+++ b/WindowsTools/Properties/AssemblyInfo.cs
@@ -4,8 +4,8 @@
 [assembly: AssemblyCompany("高怡飞")]
 [assembly: AssemblyCopyright("Copyright ©2024 高怡飞, All Rights Reserved.")]
 [assembly: AssemblyDescription("Windows 工具箱")]
-[assembly: AssemblyFileVersion("2.5.602.0")]
-[assembly: AssemblyInformationalVersion("2.5.602.0")]
+[assembly: AssemblyFileVersion("2.6.612.0")]
+[assembly: AssemblyInformationalVersion("2.6.612.0")]
 [assembly: AssemblyProduct("Windows 工具箱")]
 [assembly: AssemblyTitle("Windows 工具箱")]
-[assembly: AssemblyVersion("2.5.602.0")]
+[assembly: AssemblyVersion("2.6.612.0")]
diff --git a/WindowsTools/Services/Controls/Download/BitsService.cs b/WindowsTools/Services/Controls/Download/BitsService.cs
index 9b79b88..67f59b7 100644
--- a/WindowsTools/Services/Controls/Download/BitsService.cs
+++ b/WindowsTools/Services/Controls/Download/BitsService.cs
@@ -2,6 +2,7 @@
 using System.Collections.Generic;
 using System.Diagnostics.Tracing;
 using System.IO;
+using System.Runtime.InteropServices;
 using System.Threading;
 using System.Threading.Tasks;
 using WindowsTools.Services.Root;
@@ -128,7 +129,7 @@ public static unsafe void CreateDownload(string url, string saveFilePath)
                             DownloadID = downloadID
                         };
                         backgroundCopyCallback.StatusChanged += OnStatusChanged;
-                        downloadJob.SetNotifyInterface(backgroundCopyCallback);
+                        downloadJob.SetNotifyInterface(new UnknownWrapper (backgroundCopyCallback).WrappedObject);
 
                         downloadJob.GetProgress(out BG_JOB_PROGRESS progress);
                         DownloadCreated?.Invoke(backgroundCopyCallback.DownloadID, Path.GetFileName(saveFilePath), saveFilePath, url, progress.BytesTotal is ulong.MaxValue ? 0 : progress.BytesTotal);
@@ -141,7 +142,7 @@ public static unsafe void CreateDownload(string url, string saveFilePath)
                             }
                         }
 
-                        int result = downloadJob.Resume();
+                        downloadJob.Resume();
                     }
                 }
                 catch (Exception e)