Please upgrade in CLI:

1.upgrade FD1104S_V2.4.06_200521_X000.img file and then reboot

2.upgrade FD1104S_V2.4.06_200521_X000.img file again but don't reboot olt

3.upgrade FD1104S_FW_V2.4.06_201111_1820_X000.img file then reboot