原来如此,改成下面这样原生的 emacs 就能用了。
(setq acm-enable-quick-access t) ; only decides whether indexes are shown
(dotimes (i 10)
(general-define-key
:keymaps 'acm-mode-map
(number-to-string i) 'acm-complete-quick-access)
(general-define-key
:keymaps 'acm-mode-map
(format "M-%d" i) (eval `(lambda() (insert (number-to-string i))))))
谢谢大佬,已经完全达到我预期的需求了。