计算棒升级失败后怎么恢复

alpha_gpu@alpha-gpu-server:~/flashTool/unix$ ./linux_flash.sh
Command: /home/alpha_gpu/flashTool/unix/bin/flash.x86_64 UL  /home/alpha_gpu/flashTool/unix/bin/../../images/MiniLoaderAll.bin
Program Data in /home/alpha_gpu/.config/upgrade_tool
Loading loader...
Support Type:RK180A     Loader ver:1.04 Loader Time:2019-11-26 11:40:30
Upgrade loader ok.
Command: /home/alpha_gpu/flashTool/unix/bin/flash.x86_64 DI -p /home/alpha_gpu/flashTool/unix/bin/../../images/parameter.txt
Program Data in /home/alpha_gpu/.config/upgrade_tool
directlba=1,first4access=1,gpt=1
Write gpt...
Write gpt ok.
Command: /home/alpha_gpu/flashTool/unix/bin/flash.x86_64 DI -uboot /home/alpha_gpu/flashTool/unix/bin/../../images/uboot.img

/home/alpha_gpu/flashTool/unix/bin/../../images/parameter.txt
Program Data in /home/alpha_gpu/.config/upgrade_tool
directlba=1,first4access=1,gpt=1
Download uboot start...(0x00002000)
Download image ok.
Command: /home/alpha_gpu/flashTool/unix/bin/flash.x86_64 DI -trust /home/alpha_gpu/flashTool/unix/bin/../../images/trust.img

/home/alpha_gpu/flashTool/unix/bin/../../images/parameter.txt
Program Data in /home/alpha_gpu/.config/upgrade_tool
directlba=1,first4access=1,gpt=1
Download trust start...(0x00004000)
Download image ok.
Command: /home/alpha_gpu/flashTool/unix/bin/flash.x86_64 DI -boot_linux /home/alpha_gpu/flashTool/unix/bin/../../images/boot_linux.img
Program Data in /home/alpha_gpu/.config/upgrade_tool
directlba=1,first4access=1,gpt=1
Download boot_linux start...(0x00006000)
Download image ok.
Command: /home/alpha_gpu/flashTool/unix/bin/flash.x86_64 DI -rootfs /home/alpha_gpu/flashTool/unix/bin/../../images/rootfs_user.img
Program Data in /home/alpha_gpu/.config/upgrade_tool
directlba=1,first4access=1,gpt=1
Download rootfs start...(0x00026000)
Writing data to flash failed in writing,exit download image!