-refactor MD

Signed-off-by: XiongYang <snake.xiongyang@qq.com>
Merge branch 'master' of github.com:xiongyang/MyToolBox
-merger

Signed-off-by: XiongYang <snake.xiongyang@qq.com>
-merger old code

Signed-off-by: XiongYang <snake.xiongyang@qq.com>
-for MD test and for CTP work flow

Signed-off-by: XiongYang <snake.xiongyang@qq.com>