kailin/resources/lang/zh/api_access.php

<?php

return [
    'sign_miss'     => '签名字段必填',
    'sign_error'    => '签名比对失败',
    'appid_miss'    => '应用ID必填',
    'nonce_miss'    => '随机字符串必填',
    'sign_timeout'  => '签名过期',
    'appid_nofund'  => '应用ID不存在',
    'appkey_no_allow' => '应用秘钥不参与签名',
];