报错信息是
Establishing API connection with host '192.168.10.199'
Login succeeded.
check cluster join API version
No cluster network links passed explicitly, fallback to local node IP '192.168.10.198'
Request addition of this node
An error occured on the cluster node: can't add existing node 'pve'
TASK ERROR: Cluster join aborted!
https://forum.proxmox.com/threads/unable-to-join-3rd-node-to-cluster.71005/
应该是安装PVE填写的FQDN与主节点有冲突，在安装work节点时，把FQDN名称改成与主节点字段不一样的应该就没问题了，可以参考：https://blog.csdn.net/zhanremo3062/article/details/115665617