diff --git a/samples/apis/Backet.Api/Program.cs b/samples/apis/Backet.Api/Program.cs
index f75fb39..98e683c 100644
--- a/samples/apis/Backet.Api/Program.cs
+++ b/samples/apis/Backet.Api/Program.cs
@@ -39,14 +39,14 @@ namespace Backet.Api
                     webBuilder.UseStartup<Startup>();
                     webBuilder.UseKestrel(option =>
                     {
-                        //option.ListenAnyIP(81, config =>
-                        //{
-                        //    config.Protocols = Microsoft.AspNetCore.Server.Kestrel.Core.HttpProtocols.Http1;
-                        //});
-                        option.ListenAnyIP(82, config =>
+                        option.ListenAnyIP(81, config =>
                         {
                             config.Protocols = Microsoft.AspNetCore.Server.Kestrel.Core.HttpProtocols.Http2;
-                            config.UseHttps();
+                        });
+                        option.ListenAnyIP(82, config =>
+                        {
+                            config.Protocols = Microsoft.AspNetCore.Server.Kestrel.Core.HttpProtocols.Http1AndHttp2;
+                            //config.UseHttps();
                         });
                     });
                 });