>Can you try to reproduce the problem starting from clean Emacs state >(emacs -Q)? See https://orgmode.org/manual/Feedback.html thank you for reminding me to use this method. I found out why. package *valign-mode*(https://github.com/casouri/valign) causes the problem: (add-hook 'org-mode-hook #'valign-mode) If I don't add-hook for valign-mode, everything works fine. Ihor Radchenko 于2022年5月21日周六 12:37写道: > imymorror wang writes: > > >> Can you share the values of change-major-mode-hook and org-mode-hook? > > I uploaded all *emacs **current state* in recent e-mail . > > Sorry, I missed that. Unfortunately I do not see anything suspicious > there. > > Now, it is confusing. I am unable to reproduce the warning on my side > even with org-fragtog and valign installed. > > Can you try to reproduce the problem starting from clean Emacs state > (emacs -Q)? See https://orgmode.org/manual/Feedback.html > > >> Also, do you deliberately drop the CC to emacs-orgmode@gnu.org and > prefer > > the conversation to be not public? > > sorry. I'm not good at email communication. This is my first attempt to > > submit a bug report to Emacs. Maybe I could add CC to > emacs-orgmode@gnu.org on > > the recent email that shows all my emacs current state info. > > Just use "Reply All" in future. > > Best, > Ihor >