问题如下：
System startup
Uncompress Ok!
U-Boot 2016.11 (Sep 19 2019 - 15:42:22 +0800)hi3518ev300
Relocation Offset is: 03736000
Relocating to 43f36000, new gd at 43e95ef0, sp at 43e95ed0
SPI Nor: hifmc_ip_ver_check(44): Check Flash Memory Controller v100 ...hifmc_ip_ver_check(50): Found
hifmc_spi_nor_probe(1615): SPI Nor ID Table Version 1.0
hifmc_spi_nor_probe(1640): SPI Nor(cs 0) ID: 0xc2 0x20 0x18
hifmc_spi_nor_probe(1705): Block:64KB hifmc_spi_nor_probe(1706): Chip:16MB hifmc_spi_nor_probe(1707): Name:"MX25L128XX"
hifmc100_spi_nor_probe(147): SPI Nor total size: 16MB
NAND: 0 MiB
MMC:
*** Warning - bad CRC, using default environment
In: serial
Out: serial
Err: serial
Net: No ethernet found.
Hit any key to stop autoboot: 0
## Error: "distro_bootcmd" not defined
hisilicon #
设置了 bootcmd 后saveenv，提示成功，重启后又这样了,该怎么搞，uboot新手
