[root@localhost ~]# cp /boot/initramfs-$(uname -r).img  /boot/initramfs-$(uname -r).img.bak     # 先将initramfs进行备份（可选步骤）

[root@localhost ~]# mkinitrd -f --with=virtio_blk --with=virtio_pci /boot/initramfs-$(uname -r).img $(uname -r)

[root@localhost ~]# echo -e "virtio_pci\nvirtio_blk" >> /etc/initramfs-tools/modules

[root@localhost ~]# update-initramfs  -u