// write log
            if (fessConfig.isLoggingSearchUseLogfile()) {
                searchLogList.forEach(this::writeSearchLogEvent);
            }
            // insert search log
            storeSearchLogList(searchLogList);
            // update suggest index
            if (fessConfig.isSuggestSearchLog()) {
                final SuggestHelper suggestHelper = ComponentUtil.getSuggestHelper();