I has been fighting fiercely with Texmacs for two hours, only to find that the “error” is caused by… I didn’t cite a reference in the text and update twice. So why do all the guidelines I saw say nothing about this? Well…. at least this is much better than rolling between pdflatex and balabalabala…

Tips for Bibliography by Texmacs

1. using VS Code and copying from arxiv to write a .bib file;
2. Insert Bibliography in Texmacs. Cite references in the text (otherwise they won’t appear in Bibliography) and then update twice ([?]->[i]).