When I save paper from Elsevier website，an error post to me： 使用 ScienceDirect 保存时发生错误。改为尝试用 Embedded Metadata 保存。And I got an item in Zotero without author information.
https://s3.amazonaws.com/zotero.org/images/forums/u9286078/q1wez9tzwah48w13d15o.png