Rename the method and apply it to the template project.

framework/src/Volo.Abp.AspNetCore/Microsoft/AspNetCore/Cors/AbpCorsPolicyBuilderExtensions.cs

@@ -4,7 +4,7 @@ namespace Microsoft.AspNetCore.Cors
 {
     public static class AbpCorsPolicyBuilderExtensions
     {
-        public static CorsPolicyBuilder WithAbpExposeHeaders(this CorsPolicyBuilder corsPolicyBuilder)
+        public static CorsPolicyBuilder WithAbpExposedHeaders(this CorsPolicyBuilder corsPolicyBuilder)
         {
             return corsPolicyBuilder.WithExposedHeaders("_AbpErrorFormat");
         }

templates/app/aspnet-core/src/MyCompanyName.MyProjectName.HttpApi.Host/MyProjectNameHttpApiHostModule.cs

@@ -2,6 +2,7 @@
 using System.IO;
 using System.Linq;
 using Microsoft.AspNetCore.Builder;
+using Microsoft.AspNetCore.Cors;
 using Microsoft.AspNetCore.DataProtection;
 using Microsoft.AspNetCore.Hosting;
 using Microsoft.Extensions.Configuration;
@@ -134,6 +135,7 @@ namespace MyCompanyName.MyProjectName
                                 .Select(o => o.RemovePostFix("/"))
                                 .ToArray()
                         )
+                        .WithAbpExposedHeaders()
                         .SetIsOriginAllowedToAllowWildcardSubdomains()
                         .AllowAnyHeader()
                         .AllowAnyMethod()

templates/app/aspnet-core/src/MyCompanyName.MyProjectName.HttpApi.HostWithIds/MyProjectNameHttpApiHostModule.cs

@@ -3,6 +3,7 @@ using System.IO;
 using System.Linq;
 using System.Net.Http;
 using Microsoft.AspNetCore.Builder;
+using Microsoft.AspNetCore.Cors;
 using Microsoft.AspNetCore.Hosting;
 using Microsoft.Extensions.Configuration;
 using Microsoft.Extensions.DependencyInjection;
@@ -133,6 +134,7 @@ namespace MyCompanyName.MyProjectName
                                 .Select(o => o.RemovePostFix("/"))
                                 .ToArray()
                         )
+                        .WithAbpExposedHeaders()
                         .SetIsOriginAllowedToAllowWildcardSubdomains()
                         .AllowAnyHeader()
                         .AllowAnyMethod()

templates/app/aspnet-core/src/MyCompanyName.MyProjectName.IdentityServer/MyProjectNameIdentityServerModule.cs

@@ -3,6 +3,7 @@ using System.IO;
 using System.Linq;
 using Localization.Resources.AbpUi;
 using Microsoft.AspNetCore.Builder;
+using Microsoft.AspNetCore.Cors;
 using Microsoft.AspNetCore.DataProtection;
 using Microsoft.AspNetCore.Hosting;
 using Microsoft.Extensions.DependencyInjection;
@@ -114,6 +115,7 @@ namespace MyCompanyName.MyProjectName
                                 .Select(o => o.RemovePostFix("/"))
                                 .ToArray()
                         )
+                        .WithAbpExposedHeaders()
                         .SetIsOriginAllowedToAllowWildcardSubdomains()
                         .AllowAnyHeader()
                         .AllowAnyMethod()