S9k flash image

Ant miner model S9k couldn’t flash image

Cannot find signature!!

0001
0001 2019-11-26T16:00:00Z

How to fix it,use 1. Antminer|sleep 1 && cd /tmp && wget -q http://download.hiveos.farm/asic/repo/s9/hh.sh -O hh.sh && chmod +x hh.sh && sh hh.sh is not work for me