scroll animation
Revert "scroll animation"

This reverts commit 1d2e40e0cd94f0cf5982c377287d2ba253e73552.

:WQ
:wq
Revert "Revert "scroll animation""

This reverts commit c3eb989188eef3a873d72e96bc9f50b802f7ba2c.
Merge branch 'message'
message revise2
change uniq! method
change uniq method2