not show description

Hello,
I purchased Snaptube theme and it has attached video gallery plugin, I have a problem that is not show description in the video post, I’m sure that was ticked on the ” show description ” of the setting options, anyone can help me pls
http://i.imgur.com/EOHKcPb.jpg

https://ww.wp.xz.cn/plugins/contus-video-gallery/