@Override
	public void close() {
		try {
			nacosServiceManager.nacosServiceShutDown();
		}
		catch (NacosException e) {
			log.error("Nacos namingService shutDown failed", e);
		}
	}
@author xiaojing
@author <a href="mailto:mercyblitz@gmail.com">Mercy</a>
@author <a href="mailto:78552423@qq.com">eshun</a>
@author JAY
spring-cloud-alibaba-starters/spring-cloud-starter-alibaba-nacos-discovery/src/main/java/com/alibaba/cloud/nacos/registry/NacosServiceRegistry.java