Font's align problem is not a big problem :-), Chinese emacs user's fonts setup is complicate, so
it is not easily to use set-frame-font.  so I decide just ignore this small problem :-)


I have use `mode-line-format' and `header-line-format' , they are more simple. thanks for this good tip.







At 2017-12-09 18:35:42, "martin rudalics" <rudalics@gmx.at> wrote:
> > Thank your for your help, I have solved the problem: I add (window-min-height 1) and (window-min-width 1))
> > to my code and let my English main font is taller than my Chinese fonts.
>
>Would setting `set-frame-font' for that child frame help then?  Provided
>you can say in advance which of your fonts should be the dominant one
>for the frame in question.
>
>BTW, note that setting these parameters
>
>     (set-window-parameter window 'mode-line-format 'none)
>     (set-window-parameter window 'header-line-format 'none))
>
>is generally only needed when you show the corresponding buffer in a
>"normal" window and in a child frame window.  If you show the buffer in
>a child frame only, setting the buffer-local values of
>`mode-line-format' and `header-line-format' to nil usually suffices.
>
>martin