diff --git a/src/MaaWpfGui/ViewModels/UserControl/Settings/IssueReportUserControlModel.cs b/src/MaaWpfGui/ViewModels/UserControl/Settings/IssueReportUserControlModel.cs
index 13233d3be0..99f8104443 100644
--- a/src/MaaWpfGui/ViewModels/UserControl/Settings/IssueReportUserControlModel.cs
+++ b/src/MaaWpfGui/ViewModels/UserControl/Settings/IssueReportUserControlModel.cs
@@ -119,7 +119,7 @@ public class IssueReportUserControlModel : PropertyChangedBase
                 foreach (var file in Directory.EnumerateFiles(tempPath, "*", SearchOption.AllDirectories))
                 {
                     string entryName = Path.GetRelativePath(tempPath, file);
-                    archive.CreateEntryFromFile(file, entryName, CompressionLevel.Optimal);
+                    archive.CreateEntryFromFile(file, entryName, CompressionLevel.SmallestSize);
                 }
             }