./categraf -test -inputs postgresql
使用 address = "host=127.0.0.1:5430 user=monitor password=monitor sslmode=disable"
报错：2023/07/19 17:08:40 postgresql.go:171: E! failed to execute Query : failed to connect to host=127.0.0.1:5430 user=monitor database=: hostname resolving error (lookup 127.0.0.1:5430: no such host)
使用 postgres://monitor:monitor@127.0.0.1:5430/postgres?sslmode=disable
报错：2023/07/19 17:11:08 metrics_agent.go:217: E! failed to load configuration of plugin: local.postgresql error: toml: line 10 (last key "instances"): expected '.' or '=', but got ':' instead
