On Sat, Apr 18, 2020 at 10:12:27PM +0800, HaiJun Zhang wrote:
> I can reproduce it with the following lines in ~/.emacs:
> 
> (setq inhibit-startup-message t
>    inhibit-startup-buffer-menu t)
> 
> (setq default-frame-alist ‘(
>        (width . 85)
>        (height . 35)
>        (vertical-scroll-bars . nil)
>        (horizontal-scroll-bars . nil)
>        ))
> 
> (set-frame-font “Monospace 16”)

Can you please try the attached patch.
-- 
Alan Third