final String xpath = xpathConfigMap.get(XPath.DEFAULT_LANG);
        if (StringUtil.isNotBlank(xpath)) {
            return xpath;
        }
        return fessConfig.getCrawlerDocumentHtmlLangXpath();
    }

    protected String getContentXpath(final FessConfig fessConfig, final Map<String, String> xpathConfigMap) {
        final String xpath = xpathConfigMap.get(XPath.DEFAULT_CONTENT);