public async Task AddConfigurationItemAsync(AddConfigurationItemModel model)
        {
            if (await _configurationItemRepository.ExistedAsync(m => m.Key.Equals(model.Key) && m.NamespaceID == model.NamespaceID && m.ProjectID == model.ProjectID))
            {
                throw new MateralConfigCenterException("Key已存在");
            }
            var configurationItem = model.CopyProperties <ConfigurationItem>();

            _protalServerUnitOfWork.RegisterAdd(configurationItem);
            await _protalServerUnitOfWork.CommitAsync();
        }