cb.query().addOrderBy_CreatedTime_Asc();
            cb.fetchFirst(fessConfig.getPageCrawlingInfoParamMaxFetchSizeAsInteger());
        });
    }

    public List<CrawlingInfoParam> getLastCrawlingInfoParamList(final String sessionId) {
        final CrawlingInfo crawlingInfo = getLast(sessionId);
        if (crawlingInfo == null) {
            return Collections.emptyList();
        }

    }

    public Map<String, String> getInfoMap(final String sessionId) {
        final List<CrawlingInfoParam> crawlingInfoParamList = getCrawlingInfoService().getLastCrawlingInfoParamList(sessionId);
        final Map<String, String> map = new HashMap<>();
        for (final CrawlingInfoParam crawlingInfoParam : crawlingInfoParamList) {