使用homebrew安装postgresql@12，“启动”后无法继续。
~ ❯ brew services start postgresql@12 21s 06:05:13
==> Successfully started `postgresql@12` (label: homebrew.mxcl.postgresql@12)
~ ❯ brew services list
Name Status User Plist
nginx error root /Library/LaunchDaemons/homebrew.mxcl.nginx.plist
pgbouncer stopped
postgresql@12 error rich /Users/rich/Library/LaunchAgents/homebrew.mxcl.postgresql@12.plist
unbound stopped
~ ❯ psql -U postgres
zsh: command not found: psql
~ ❯ sudo su - postgres
su: unknown login: postgres
~ ❯ launchctl load ~/Library/LaunchAgents
Load failed: 5: Input/output error
~ ❯ nmap localhost
Starting Nmap 7.91 ( https://nmap.org ) at 2021-03-10 06:14 EST
Nmap scan report for localhost (127.0.0.1)
Host is up (0.000054s latency).
Not shown: 994 closed ports
PORT STATE SERVICE
22/tcp open ssh
80/tcp open http
443/tcp open https
445/tcp open microsoft-ds
5900/tcp open vnc
49159/tcp open unknown
Nmap done: 1 IP address (1 host up) scanned in 0.09 seconds
我怎样才能让它工作？这是在全新盒子上的首次安装。