启动有warning提示

!!!
WARNING: Default (insecure) Erlang cookie is in use.
Please set node.cookie in /root/emqx/etc/emqx.conf or override from environment variable EMQX_NODE_COOKIE
NOTE: Use the same config value for all nodes in the cluster.
!!!
Erlang/OTP 24 [erts-12.3.2.2] [emqx] [64-bit] [smp:2:2] [ds:2:2:8] [async-threads:4] [jit]

参考文档: 集群安全

你好,这个是我之前配置的集群, 然后我已经卸载掉了。
重新安装后提示这个报错, 我想不要提示这个报错,怎么解决

node.cookie 不要用默认的就可以了,注意所有节点的 node.cookie 都要改

https://www.emqx.io/docs/zh/v5.4/faq/faq.html#为什么-emqx-启动时会输出日志-warning-default-insecure-erlang-cookie-is-in-use