lichee_zero 编译失败,cp: cannot stat ‘rootfs.cpio.gz’

rootfs.cpio.gz,我已经编译好,现在是要把这个文件放在那个位置

INFO: build buildroot OK.
INFO: build kernel …
INFO: prepare toolchain …
Building kernel
/home/qinlj/lichee/linux-3.4/output/lib/modules/3.4.39
cp: cannot stat ‘rootfs.cpio.gz’: No such file or directory
ERROR: build kernel Failed