我记得当时看 readme 的方法不行,然后自己折腾的
(defun smaller-modeline ()
"Make doom-modeline smaller."
(when window-system
(create-fontset-from-ascii-font "Source Code Pro:medium" nil "modeline")
(set-face-attribute 'mode-line nil
:height 120 :fontset "fontset-modeline")
(set-face-attribute 'mode-line-inactive nil
:height 120 :fontset "fontset-modeline"))))