在创建 Postgres 数据库时出现身份验证错误
h1以 postgres 用户身份登录工作：
bash-3.2$ createdb blog_api_db
Password:
Password:
createdb: error: could not connect to database template1: FATAL: password authentication failed for user "vish"
sudo -u postgres psql
Password:
Password for user postgres:
psql (13.2) Type "help" for help.
postgres=#
内容：
pg_hba.conf