When generating the video, there is a black screen in the middle and the lower part #70
Description
like this：
!!!!!!!!!!!!!!!!
! ！
! ！
!!!!!!!!!!!!!!!!
!!!!!!!!!!!!!!!!
!!!!!!!!!!!!!!!!
{{ message }}
like this：
!!!!!!!!!!!!!!!!
! ！
! ！
!!!!!!!!!!!!!!!!
!!!!!!!!!!!!!!!!
!!!!!!!!!!!!!!!!