diff --git a/Aucma.Core.PrintTo/App.xaml.cs b/Aucma.Core.PrintTo/App.xaml.cs
index 272ff14b..3b43ca0a 100644
--- a/Aucma.Core.PrintTo/App.xaml.cs
+++ b/Aucma.Core.PrintTo/App.xaml.cs
@@ -26,7 +26,7 @@ namespace Aucma.Core.PrintTo
             var host = CreateHostBuilder(e.Args).Build();//生成宿主。
 
             ServiceProvider = host.Services;
-         
+         s
             host.Services.GetRequiredService<MainWindow>()?.Show();
             await host.StartAsync();
         }