baoshi-was/config/api_logistic.php

<?php
return [
    'SF' => [
        'url' =>  'https://bspsw.sf-express.com/sfexpressService',
        'head' =>  'BSGYLGL',
        'checkWord' =>  'DcauTQEavq5qqpFaYmltzR7gzVCTjvtz',
        'maxSize' => 10,
    ],
];