hainan/resources/lang/zh_CN/setting.php

<?php
return [
    'labels' => [
        'Setting' => '系统设置',
        'setting' => '系统设置',
    ],
    'fields' => [
        'earnest' => '定金金额',
        'earnest_timeout' => '定金支付超时时间',
    ],
    'options' => [
    ],
];