建议重写一个命令,比如
(defun acm-insert-common-or-complete()
"Insert common prefix of menu or complete."
(interactive)
(let ((inhibit-message t)
(num (length (acm-get-input-prefix))))
(acm-insert-common)
(when (= num (length (acm-get-input-prefix)))
(acm-complete))))