polished shutdown section in cmd
polished shutdown section in cmd

ruiruiguo/moco,jasonchaffee/moco,zhigang1992/moco,yonglehou/moco,ysjian/moco,rickhan2014/moco,dreamhead/moco,cgourlay/moco,ForrestVV/moco,ruiruiguo/moco,dreamhead/moco,LiuShulong/moco,ForrestAlfred/moco,zhigang1992/moco,LiuShulong/moco,jasonchaffee/moco,sandyway/moco,cgourlay/moco,ForrestAlfred/moco,yonglehou/moco,ysjian/moco,ForrestVV/moco,sandyway/moco,rickhan2014/moco