fastadmin/application/index/lang/zh-cn/sms.php

<?php

return [
    'SMS sent frequently'                 => '短信发送频繁',
    'The phone number already exists'     => '手机号已经存在',
    'The phone number note exists'        => '手机号不存在',
    'The captcha code not correct'        => '验证码不正确',
    'Send failed, please try again later' => '发送失败，请稍后重试',
];