baoshi-was/config/api_logistic.php

<?php
return [
    'SF' => [
        'url' =>  'https://sfapi-sbox.sf-express.com/sfexpressService',
        'head' =>  'BSGYLGL',
        'checkWord' =>  'DcauTQEavq5qqpFaYmltzR7gzVCTjvtz',
    ],
];