V3R5_B20:
Program.bin: bff0ddf3767a7bacec161fd790d4d9e6
NAND_FLASH.bin：b74d821131729e08bfceda9477c60c90
partition.bin：2d1d197e8c6ebe3e9383b554ec0286c3
u-boot.bin：fcf667cc1196f376e754869e8922f235