增加 IHttpContextAccessor 的获取，暂不启用。

Apewer.Web/Web/AspNetCoreStartup.cs

@@ -39,6 +39,8 @@ namespace Apewer.Web
         /// <summary>限制请求体的字节数，默认值：1073741824（1GB）。</summary>
         public virtual long MaxRequestBodySize { get => 1073741824L; }
 
+        // public virtual void IHttpContextAccessor(IHttpContextAccessor accessor) { }
+
         #region Runtime
 
         bool _usedWebSocket = false;
@@ -88,6 +90,12 @@ namespace Apewer.Web
                 });
             }
 
+            // var serviceProvider = services.BuildServiceProvider();
+            // if (serviceProvider != null)
+            // {
+            //     IHttpContextAccessor(serviceProvider.GetRequiredService<IHttpContextAccessor>());
+            // }
+
             services.AddControllers();
             services.AddSingleton<IHttpContextAccessor, HttpContextAccessor>();
         }