@Override
    public void close() {
        watchCache.forEach((dataId, lss) -> {
            configService.removeListener(dataId, NacosPathConstants.GROUP, lss);
            watchCache.remove(dataId);
            LOG.info("nacos sync remove listener key:{}", dataId);
        });
    }
@Test
    public void testClose() {
        nacosSyncDataService.close();
    }