I use LO Writer to edit my paper, and insert formula through LO Math. At frist, the formula looks good in LO Math，like this
Once, I have done with LO Math, and return to LO Writer, it become like this
it’s not a big deal, because it’s looks well both in WPS and Office. I believe that something wrong in LO’s formula rendering.
who knows how to fix it?

LO version: 6.0.3.2

platfrom: archlinux with gnome
desktop WM