update

Author: abnerlee

_posts/basic/2021-04-20-Export.md

@@ -347,6 +347,10 @@ Then open custom-reference.docx in Word, modify the styles as you wish and save
 
 You can read more details [here](https://pandoc.org/MANUAL.html#option--reference-doc).
 
+#### Math Numbering Support.
+
+Currently `\label` and `\ref` in math block is not supported when export to docx (see <https://github.com/jgm/pandoc/issues/7774>). One workaround is to install [pandoc-tex-numbering](https://github.com/fncokg/pandoc-tex-numbering) and use `-F pandoc-tex-numbering` as parameter when export to docx.
+
 ### OpenOffice (.odt)
 
 You can export to an OpenOffice file via `Export` → `OpenOffice` from the menu bar. You can configure it from  `Export` → `OpenOffice` in the preferences panel.