add about on jb mini settings
fix something
fix build
some changes
Revert "some changes"

This reverts commit df2d33cd09bab0b14af6c91e2269e9192da16bdf.
some change
Revert "some change"

This reverts commit d28524cb89502415240d3416f4030ac6ca59c7d1.
some change
some change
some change
fix some silly typos
small change