private ConfigService createConfigService(
			NacosConfigProperties nacosConfigProperties) {
		try {
			if (Objects.isNull(service)) {
				service = NacosFactory.createConfigService(
						nacosConfigProperties.assembleConfigServiceProperties());
			}
		}
		catch (NacosException e) {
			log.error(e.getMessage());
			throw new NacosConnectionFailureException(
					nacosConfigProperties.getServerAddr(), e.getMessage(), e);
		}
		return service;
	}
Compatible with old design,It will be perfected in the future.
spring-cloud-alibaba-starters/spring-alibaba-nacos-config/src/main/java/com/alibaba/cloud/nacos/NacosConfigManager.java