最复杂的几段命令我放下面了 dd if=/固件路径 of=/系统分区路径 setenv bootargs 'bootargs=model=mv200 console=ttyAMA0,115200 root=/dev/sda1 rootfstype=ext4 rootwait blkdevparts=mmcblk0:1M(boot),1M(bootargs),4M(baseparam),4M(pqparam),4M(logo),40M(kernel),64M(busybox),512M(backup),-(ubuntu)' ( root=/dev/sda1 这里的sda1就是我的系统分区)