Theme Cheer Up doesn't show the mobile version in mobile

I use theme Cheer Up in my site: and it’s fine in desktop, but it doesn’t show in mobile version (the attached picture). Please let me know how to fix it?

Here is the list of plugin I use: (maybe because of these plugins scratches?)

Akismet Anti-Spam
Bunyad Demo Import
Contact Form 7
Jetpack by
Google Analytics for WordPress by MonsterInsights
MOJO Marketplace
Really Simple SSL
Regenerate Thumbnails
Sphere Core
WP Instagram Widget
WP Retina 2x
WP Smush
Yoast SEO

Hi @trangdang123

Welcome to the forums! Have you tried to reach out to CheerUp theme author for support?