the scraping reference process get stuck

Why is it that when I scrape CNKI literature, the status shows normal, but when processing the references of this paper, only three references can be recognized? Is this because the fourth one is a Chinese literature that caused the process to get stuck? And why can't the system skip this problematic entry and continue to scrape the subsequent references?
https://s3.amazonaws.com/zotero.org/images/forums/u19918882/35fdihcd8ledlxkfcxpq.png
https://s3.amazonaws.com/zotero.org/images/forums/u19918882/ekzzizkvvsanl5ixhqil.png
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