frontiers in genetics re-submit求助

frontiers in genetics 修回，已经add comments to所有审稿人意见，re-submit revised manuscript的时候总是出错，提示如下：

Re-submit manuscript

You haven't responded to all of the Reviewers who have made new comments. Please be sure to reply to each Reviewer outlining any changes in the revised manuscript you're about to resubmit, so that the Reviewers can easily follow your revisions.

请各位为多多指点！