yueke/application/api/lang/en/user.php

<?php

return [
    '邮箱已被其他人使用' => 'The email is already in use by someone else',
    '手机号已被其他人使用' => 'The phone number is already in use by someone else',
    '资料更新完成' => 'Data update completed',
    '账号注销成功' => 'Account cancellation successful',
];