trends/fxm/service/common/config/db-crm.php

<?php
return [
    'class' => 'yii\db\Connection',
    'dsn' => 'mysql:host=192.168.1.188;dbname=fxm_crm',
    'username' => 'root',
    'password' => '888888',
    'charset' => 'utf8',
];