handz/worklife2/service/common/config/db.php

<?php
return [
    'class' => 'yii\db\Connection',
    'dsn' => 'mysql:host=127.0.0.1;dbname=xcoq',
    'username' => '9GuWIEvb',
    'password' => '3apeYbjsHK7Ra5nP',
    'charset' => 'utf8',
];