swoole-framwork/app/config/db.php

<?php
return [
    'default' => [
        'driver'    =>  'mysql',
        'host'      =>  'localhost',
        'database'  =>  'blog',
        'username'  =>  'blog',
        'password'  =>  'fj6edWTinXimLpiT',
        'charset'   =>  'utf8mb4',
        'collation' =>  'utf8mb4_general_ci',
        'prefix'    =>  'eb_',
    ]
];