aws 上面不允许使用root，推荐使用对应的user，like ： ubantu 、 ec2-user

[freshgeek]

What happened? 发生了什么问题？

fatal: [54.81.237.90]: UNREACHABLE! => {"changed": false, "msg": "Data could not be sent to remote host "54.81.237.90". Make sure this host can be reached over ssh: Warning: Permanently added '54.81.237.90' (ED25519) to the list of known hosts.\r\nroot@54.81.237.90: Permission denied (publickey).\r\n", "unreachable": true}

What did you expect to happen? 期望的结果是什么？

正常运行

How can we reproduce it (as minimally and precisely as possible)? 尽可能最小化、精确地描述如何复现问题

两个节点，一个节点aio ， 然后添加节点：
sudo /etc/kubeasz/ezctl add-node default 54.81.237.90

Anything else we need to know? 其他需要说明的情况

No response

Kubernetes version k8s 版本

Kubeasz version

3.6.4

OS version 操作系统版本

# On Linux:
$ cat /etc/os-release
# paste output here
$ uname -a
# paste output here

ubantu

Related plugins (CNI, CSI, ...) and versions (if applicable) 其他网络插件等需要说明的情况