问ServiceStack RequiredRole正在将我的有效期(生存期)重置为2周

EN

using Repositories.DTO;
using ServiceStack;
using ServiceStack.Auth;

namespace WebApi.Controllers
{
    public class RegistrationService : RegisterService
    {
        private readonly RegistrationRepo _repo;

        public RegistrationService(RegistrationRepo repo)
        {
            _repo = repo;
        }

        [Authenticate] // No problems
        public object Put(RegistrationRequest registration)
        {
            var result = _repo.UpdateUser(registration.user);

            return new
            {
                user = result
            };
        }

        [Authenticate]
        [RequiredRole(Roles.Admin)] //Problems. Expiry resets to 2 weeks
        public object Post(RegistrationRequest registration)
        {
            var result = _repo.UpdateUser(registration.user);

            return new
            {
                user = result
            };
        }