Revert ""blog frame""

This reverts commit ddcfefc28a0c89a387625b4bc362d780365b0619.
Revert "change plugin"

This reverts commit ee71077a9c859b97d69bd1b1661624492b3b48e8.
Revert "markdown usage"

This reverts commit 3f60deb30b693aee21e85e5581f7c189ac71a2f9.
yet another test