public static String getMapKey(String dataId, String group) {
		return String.join(NacosConfigProperties.COMMAS, String.valueOf(dataId),
				String.valueOf(group));
	}
recommend to use
{@link NacosPropertySourceRepository#getNacosPropertySource(java.lang.String, java.lang.String)}.
@param dataId dataId
@return NacosPropertySource
spring-cloud-alibaba-starters/spring-alibaba-nacos-config/src/main/java/com/alibaba/cloud/nacos/NacosPropertySourceRepository.java