我也尝试了中间件，但没有效果

using Microsoft.AspNetCore.Authentication.JwtBearer;
using Microsoft.AspNetCore.Http;
using Microsoft.Extensions.Configuration;
using Microsoft.Extensions.DependencyInjection;
using Microsoft.Extensions.Options;
using NuGet.Configuration;
using System.Threading.Tasks;

namespace Inova.SSO.API.Middlewares
{
    public class UpdateJwtBearerRealmMiddleware
    {
        private readonly RequestDelegate _next;
        private readonly IConfiguration _configuration;

        public UpdateJwtBearerRealmMiddleware(RequestDelegate next, IConfiguration configuration)
        {
            _next = next;
            _configuration = configuration;
        }

        public async Task InvokeAsync(HttpContext context)
        {
            // Obter o valor do cabeçalho realm
            string realm = context.Request.Headers["realm"];

            if (realm != null)
            {
                var authority = $"https://sso-inova3d-hml.azurewebsites.net/auth/realms/{realm}";

                var teste = context.RequestServices.GetRequiredService<IOptionsMonitor<JwtBearerOptions>>()
                .Get(JwtBearerDefaults.AuthenticationScheme).Authority;

                context.RequestServices.GetRequiredService<IOptionsMonitor<JwtBearerOptions>>()
                .Get(JwtBearerDefaults.AuthenticationScheme).Authority = authority;

                context.RequestServices.GetRequiredService<IOptionsMonitor<JwtBearerOptions>>()
                    .Get(JwtBearerDefaults.AuthenticationScheme).TokenValidationParameters.ValidIssuer = authority;

                await _next(context);
            }
        }
    }
}