求助烧写update.img出问题

Chip Platform Rockchip
1

使用upgrade_tool烧写
Rockusb>uf update.img
Loading firmware…
Support Type:RK330C FW Ver:9.0.00 FW Time:2019-03-11 10:37:13
Loader ver:1.15 Loader Time:2019-03-07 17:46:11
Prepare IDB Fail
求助