@PostConstruct
	public void init() {
		if (this.properties == null || this.server == null) {
			return;
		}
		String prefix = this.server.getPrefix();
		if (StringUtils.hasText(prefix) && !StringUtils
				.hasText(this.properties.getMetadata().get("configPath"))) {
			this.properties.getMetadata().put("configPath", prefix);
		}
	}
Extra configuration for config server if it happens to be registered with Nacos.

@author JevonYang
spring-cloud-alibaba-starters/spring-cloud-starter-alibaba-nacos-discovery/src/main/java/com/alibaba/cloud/nacos/discovery/configclient/NacosConfigServerAutoConfiguration.java