diff --git a/src/Snap.Hutao/Snap.Hutao/Service/Update/UpdateService.cs b/src/Snap.Hutao/Snap.Hutao/Service/Update/UpdateService.cs
index ad1b931d..502b5128 100644
--- a/src/Snap.Hutao/Snap.Hutao/Service/Update/UpdateService.cs
+++ b/src/Snap.Hutao/Snap.Hutao/Service/Update/UpdateService.cs
@@ -49,7 +49,7 @@ internal sealed partial class UpdateService : IUpdateService
 
             progress.Report(new(versionInformation.Version.ToString(), 0, 0));
 
-            if (versionInformation.Sha256 is not { } sha256)
+            if (versionInformation.Sha256 is not { Length: > 0 } sha256)
             {
                 return false;
             }