apollo-client/src/main/java/com/ctrip/framework/apollo/spi/DefaultConfigFactory.java/DefaultConfigFactory/createLocalConfigRepository
class DefaultConfigFactory:  LocalFileConfigRepository createLocalConfigRepository(String namespace) {
    if (m_configUtil.isInLocalMode()) {
      logger.warn(
          "==== Apollo is in local mode! Won't pull configs from remote server for namespace {} ! ====",
          namespace);
      return new LocalFileConfigRepository(namespace);
    }
    return new LocalFileConfigRepository(namespace, createRemoteConfigRepository(namespace));
  }