I finally solved this problem,
1, kubedm reset
2, RM – RF/var/lib/etcd
3, iptables – F & amp& amp; iptables -t nat -F && amp; Iptables – t mangle – f (the reason why the card is stuck at 40ms is that there is a problem with the interaction between apiserver and etcd)
4. Kubedm init — config xx.yam