I have used my edition of org.el for a long time without a serious problem (org 8.2.10) so here is the el file for anyone’s test. Sent from Windows Mail From: kuangdash@163.com Sent: ‎Wednesday‎, ‎February‎ ‎25‎, ‎2015 ‎12‎:‎14‎ ‎PM To: emacs-orgmode@gnu.org But how to do it? Besides, I‘m glad to view your opinions,so here comes the codes: The place:(defun org-ctrl-c-ctrl-c the first (cond add: (cond ((overlayp (car (overlays-at (point)))) (let ((overlay (car (overlays-at (point))))) (if (overlayp overlay) (delete-overlay overlay) ))) so that I won’t make all overlays disappear at only once “C-c C-c” Sent from Windows Mail