烧写最小linux失败，开机显示Wrong Ramdisk Image Format

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http://t.zoukankan.com/topeet-p-10839409.html

Checking Boot Mode … EMMC4.41
SYSTEM ENTER NORMAL BOOT MODE
Hit any key to stop autoboot: 0
reading kernel… 1120, 12288
MMC read: dev # 0, block # 1120, count 12288 …12288 blocks read: OK
completed

Booting kernel from Legacy Image at 40008000 …

Image Name: Linux-4.14.2
Image Type: ARM Linux Kernel Image (uncompressed)
Data Size: 5582416 Bytes = 5.3 MB
Load Address: 40007000
Entry Point: 40007000
Verifying Checksum … OK
Wrong Ramdisk Image Format
Ramdisk image is corrupt or invalid
iTOP-4412 # reset
reset…