是ACS投稿系统，我上传完手稿、cover letter，图文摘要后提交了。第二天编辑给我发送邮件说：You indicated that your manuscript cites unpublished work (in the custom questions section).  Kindly provide a copy of this information which will be uploaded into Paragon Plus as Supporting Information for Review Only. 可是我怎么才能返回 上一再上传文件呢？已经走到下一步了，急求帮助啊！ 返回小木虫查看更多