new_api/app/libs/preinstall/database.php

<?php

return [
    'test' => [
        'hostname'  => 'localhost',
        'database'  => 'yxd',
        'username'  => 'root',
        'password'  => 'root',
        'hostport'  => '3306',
        'charset'   => 'utf8'
    ],
    'main' => [
        'hostname'  => 'localhost',
        'database'  => 'yxd',
        'username'  => 'root',
        'password'  => '121357f8f8b41802',
        'hostport'  => '3306',
        'charset'   => 'utf8'
    ]
];