        if (!PhysicalClusterMetadataManager.isTopicExist(physicalClusterId, topicName)) {
            return Result.buildFrom(ResultStatus.TOPIC_NOT_EXIST);
        }
        return new Result<>(TopicModelConverter.convert2TopicBrokerVO(
                physicalClusterId,
                topicService.getTopicBrokerList(physicalClusterId, topicName))
        );
    }