Petalinux 2019.1 boot problem——** Unrecognized filesystem type **

U-Boot 2019.01 (Dec 04 2019 - 12:58:13 +0000)

Board: Xilinx ZynqMP
DRAM:  4 GiB
usb dr_mode not found
EL Level:	EL2
Chip ID:	zu3eg
MMC:   mmc@ff160000: 0, mmc@ff170000: 1
Loading Environment from FAT... Unable to use mmc 0:1... In:    serial@ff000000
Out:   serial@ff000000
Err:   serial@ff000000
Board: Xilinx ZynqMP
Bootmode: SD_MODE1
Reset reason:	EXTERNAL 
Net:   ZYNQ GEM: ff0e0000, phyaddr ffffffff, interface rgmii-id
eth0: ethernet@ff0e0000
U-BOOT for jstar-myir

ethernet@ff0e0000 Waiting for PHY auto negotiation to complete.... done
BOOTP broadcast 1
BOOTP broadcast 2
DHCP client bound to address 192.168.1.113 (252 ms)
Hit any key to stop autoboot:  0 
Device: mmc@ff160000
Manufacturer ID: 13
OEM: 14e
Name: Q2J54 
Bus Speed: 52000000
Mode : MMC High Speed (52MHz)
Rd Block Len: 512
MMC version 5.0
High Capacity: Yes
Capacity: 3.6 GiB
Bus Width: 4-bit
Erase Group Size: 512 KiB
HC WP Group Size: 8 MiB
User Capacity: 3.6 GiB WRREL
Boot Capacity: 2 MiB ENH
RPMB Capacity: 51