@Bean
    @ConditionalOnMissingBean(ConfigFileService.class)
    public ConfigFileService polarisConfigFileService(final PolarisProperties polarisProperties) {
        com.tencent.polaris.api.config.Configuration configuration = ConfigAPIFactory.defaultConfig();
        configuration.getConfigFile().getServerConnector().setAddresses(Collections.singletonList(polarisProperties.getUrl()));
        return ConfigFileServiceFactory.createConfigFileService(configuration);
    }
register configFileService in spring ioc.

@param polarisProperties polarisProperties
@return ConfigFileService {@linkplain ConfigFileService}
shenyu-admin-listener/shenyu-admin-listener-polaris/src/main/java/org/apache/shenyu/admin/config/PolarisSyncConfiguration.java