protected void enrichNacosConfigProperties(Properties nacosConfigProperties) {
		if (environment == null) {
			return;
		}
		String prefix = NacosPropertiesPrefixer.getPrefix(environment);

		Map<String, Object> properties = PropertySourcesUtils
				.getSubProperties((ConfigurableEnvironment) environment, prefix + ".config");
		properties.forEach((k, v) -> nacosConfigProperties.putIfAbsent(resolveKey(k),
				String.valueOf(v)));
	}
refer
https://github.com/alibaba/spring-cloud-alibaba/issues/2872
https://github.com/alibaba/spring-cloud-alibaba/issues/2869 .
spring-cloud-alibaba-starters/spring-alibaba-nacos-config/src/main/java/com/alibaba/cloud/nacos/NacosConfigProperties.java