Revert "MitbbsDemo"

This reverts commit d9a10c04b2a37b892157f57e7e44aad8864292ed.
Revert "Revert "MitbbsDemo""

This reverts commit 60ffe7b9d0912eb4c92508a4c23eb2f637d08d1f.
对于一些命名的更改，和页面跳转