diff --git a/FastGithub.Http/HttpClient.cs b/FastGithub.Http/HttpClient.cs
index 07074bd..7eb5232 100644
--- a/FastGithub.Http/HttpClient.cs
+++ b/FastGithub.Http/HttpClient.cs
@@ -43,14 +43,16 @@ namespace FastGithub.Http
         /// <param name="request"></param>
         /// <param name="cancellationToken"></param>
         /// <returns></returns>
-        public override Task<HttpResponseMessage> SendAsync(HttpRequestMessage request, CancellationToken cancellationToken)
+        public override async Task<HttpResponseMessage> SendAsync(HttpRequestMessage request, CancellationToken cancellationToken)
         {
             if (request.Headers.UserAgent.Contains(userAgent))
             {
                 throw new FastGithubException($"由于{request.RequestUri}实际指向了{nameof(FastGithub)}自身，{nameof(FastGithub)}已中断本次转发");
             }
             request.Headers.UserAgent.Add(userAgent);
-            return base.SendAsync(request, cancellationToken);
+            var response = await base.SendAsync(request, cancellationToken);
+            response.Headers.Server.TryParseAdd(nameof(FastGithub));
+            return response;
         }
     }
 }
\ No newline at end of file
diff --git a/FastGithub.HttpServer/ApplicationBuilderExtensions.cs b/FastGithub.HttpServer/ApplicationBuilderExtensions.cs
index afccc1d..b52daa5 100644
--- a/FastGithub.HttpServer/ApplicationBuilderExtensions.cs
+++ b/FastGithub.HttpServer/ApplicationBuilderExtensions.cs
@@ -9,24 +9,6 @@ namespace FastGithub
     /// </summary>
     public static class ApplicationBuilderExtensions
     {
-        /// <summary>
-        /// 使用服务头
-        /// </summary>
-        /// <param name="app"></param>
-        /// <param name="serverHeader"></param>
-        /// <returns></returns>
-        public static IApplicationBuilder UseServerHeader(this IApplicationBuilder app, string serverHeader = nameof(FastGithub))
-        {
-            return app.Use(next => context =>
-            {
-                if (context.Response.HasStarted == false)
-                {
-                    context.Response.Headers.Server = serverHeader;
-                }
-                return next(context);
-            });
-        }
-
         /// <summary>
         /// 使用http代理中间件
         /// </summary>
diff --git a/FastGithub/Startup.cs b/FastGithub/Startup.cs
index 411ef5d..c58df1f 100644
--- a/FastGithub/Startup.cs
+++ b/FastGithub/Startup.cs
@@ -56,13 +56,11 @@ namespace FastGithub
             var httpProxyPort = app.ApplicationServices.GetRequiredService<IOptions<FastGithubOptions>>().Value.HttpProxyPort;
             app.MapWhen(context => context.Connection.LocalPort == httpProxyPort, appBuilder =>
             {
-                appBuilder.UseServerHeader();
                 appBuilder.UseHttpProxy();
             });
 
             app.MapWhen(context => context.Connection.LocalPort != httpProxyPort, appBuilder =>
             {
-                appBuilder.UseServerHeader();
                 appBuilder.UseRequestLogging();
                 appBuilder.UseHttpReverseProxy();