hi, the video format can not be select, anyone can help?

hi，I tried many time and many different environment.but it always didn’t work for video post.
whatever which format that i selected, it don’t work. and the format always auto change to standard format[Gutenberg], Blank[classic editor].

I want to know what happened. any setting course it? I use imported cloud post template 11.

Can anyone help me ? I dont want to reset my theme again.

picture: https://imgur.com/zgw6wlV

I use newspaper 11.1 ,WordPress 5.8. already tried to reflash all cache and disable plugin to find the erorr, but it also not work. video format can not be select,no matter what i do.
PHP:7.4
Linux: centos
Nginx: Nginx 1.20.1
Mysql:5.7

imported theme demo is : fashion pro.
Category Template – Mintyside PRO

Single Post Template 10 is not work with video.

and what i want is use single post template 10 with video[cloud template import].

• This reply was modified 5 years by leon_hzz.

this is when i select video post format, and publish this post, here will show blank option. and the post dont appear video.