1) After each document is inserted, click Update Citation and Bibliography in Bibliography again;
(2) The better solution is relatively simple, just enter the EndNote toolbar in Word → Bibliography again, and click Instant Formatting, click Turn On to change to Turn Off.
or
(3) Remedy
Go to the EndNote toolbar in Word → Bibliography Preferences (located in Bibliography
The lower right corner of the block) is the small triangle where the journal name is entered, and the default symbol of the variable is modified at Temporary citation delimiters. Modify the default braces {} to symbols that will not be used in the article
After changing to {[{, which does not appear in the text, similar errors will not occur again even if curly brackets are used in the text.
https://www.zhihu.com/question/44969655
https://jingyan.baidu.com/article/fc07f98956c52e12fee5196a.html