Is there an existing issue for this?

• I have searched the existing issues

Can the issue be reproduced with the default theme (daylight/midnight)?

• I was able to reproduce the issue with the default theme

Could the issue be due to extensions?

• I've ruled out the possibility that the extension is causing the problem.

Describe the problem

笔记中是给引述块添加背景颜色的，导出之后颜色就消失了

主题给标题设置的背景颜色也会消失

Expected result

pdf导出保留背景颜色

Screenshot or screen recording presentation

No response

Version environment

- Version: 2.12.2
- Operating System: 
- Browser (if used):

Log file

none

More information

No response