Zotero crawls Google Scholar and only displays snapshots
https://s3.amazonaws.com/zotero.org/images/forums/u14279483/sl0zua29xfcbyavp707z.png
https://s3.amazonaws.com/zotero.org/images/forums/u14279483/xj0dysiv57viddio9vrq.png
As shown in the figure above, when using Zotero Connector to crawl documents in Google Scholar, you can only crawl a snapshot of the webpage, and cannot select the PDF of a specific document.
https://s3.amazonaws.com/zotero.org/images/forums/u14279483/yzyne6b3rq45jf8aeyse.png