diff --git a/Directory.Build.props b/Directory.Build.props
index 9e3363e..1d53346 100644
--- a/Directory.Build.props
+++ b/Directory.Build.props
@@ -1,6 +1,6 @@
 <Project>
 	<PropertyGroup>
-		<Version>2.0.0</Version>
+		<Version>2.0.0-beta1</Version>
 		<Nullable>enable</Nullable>
 		<Description>github加速神器</Description>
 		<Copyright>https://github.com/dotnetcore/FastGithub</Copyright>
diff --git a/FastGithub/Program.cs b/FastGithub/Program.cs
index d28c380..72e1bf4 100644
--- a/FastGithub/Program.cs
+++ b/FastGithub/Program.cs
@@ -48,6 +48,7 @@ namespace FastGithub
                 .ConfigureWebHostDefaults(webBuilder =>
                 {
                     webBuilder.UseStartup<Startup>();
+                    webBuilder.UseShutdownTimeout(TimeSpan.FromSeconds(1d));
                     webBuilder.UseKestrel(kestrel =>
                     {
                         kestrel.NoLimit();