Formula Failure in PDF reader of Zotero 6.0.8
                    When I use the PDF reader to view a PDF generated by Word and I found some formula cannot be shown in proper way.
What shown in the PDF reader of Zotero 6.0.8 is below:

While the proper way should be shown is:

I think it could be a bug of the PDF reader, but I can't find a solution.
Thank you for helping me!
                            What shown in the PDF reader of Zotero 6.0.8 is below:

While the proper way should be shown is:

I think it could be a bug of the PDF reader, but I can't find a solution.
Thank you for helping me!
 Upgrade Storage
OS: Windows 10 21H2
Zotero: 6.0.8
If more information are needed, please @ me/reply me.
Thanks again!