1、进入rancher server容器，执行相关操作

docker ps | grep rancherdocker exec -it d11163111f8e /bin/bashkubectl --insecure-skip-tls-verify -n kube-system delete secrets k3s-servingkubectl --insecure-skip-tls-verify delete secret serving-cert -n cattle-systemrm -f /var/lib/rancher/k3s/server/tls/dynamic-cert.json

2、请求刷新参数

curl --insecure -sfL https://localhost:8443/v3

3、重启rancher server容器

docker restart d11163111f8e