code: private AbstractInterfaceConfig getRegisterConfig(ConsumerConfig config) {
          String url = ZookeeperRegistryHelper.convertConsumerToUrl(config);
          String addr = url.substring(0, url.indexOf("?"));
          for (Map.Entry<ConsumerConfig, String> consumerUrl : consumerUrls.entrySet()) {
              if (consumerUrl.getValue().contains(addr)) {
                  return consumerUrl.getKey();
              }
          }
          return null;
      }
docs: 获取注册配置
  
  @param config consumer config
  @return