String orderTopicConf =
this.namesrvController.getKvConfigManager().getKVConfig(
NamesrvUtil.NAMESPACE_ORDER_TOPIC_CONFIG, requestHeader.getTopic());
topicRouteData.setOrderTopicConf(orderTopicConf);
byte[] content = topicRouteData.encode();
response.setBody(content);
response.setCode(ResponseCode.SUCCESS_VALUE);
response.setRemark(null);
return response;
}