> using fonts-wqy-microhei works for ko, which looks like ok for zh, too.
>  but some of them mismatch between its glyph and the ones we are using.
> this is the reason we do not choose fonts for zh letters, saying "CJK".
yes, ko works fine with WenQuanYi Micro Hei, that's fine, thanks.
But why did you now choose WenQuanYi Micro Hei for Chinese as well?
It was HanaMinA before, and it has worked that way.
Should I prefer WenQuanYi Micro Hei over HanaMinA for Chinese?