const axios = require('axios');
    const crypto = require('crypto');

    const license = 'L01234567890123P';
    const secret = 'ABCDEFGHIJKLMNOP';
    const ts = Math.floor(+new Date() / 1000);

    const queries = {
        license: license,
        time:    ts,
        // cnt: 1, // 代理数（可选）
    };

    const md5Sum = crypto.createHash('md5');
    md5Sum.update(license + ts + secret);

    queries.sign = md5Sum.digest('hex').toLowerCase();

    axios.get('https://api-ip.abuyun.com/obtain', {
        params: queries,
    }).then((response) => {
        console.log('Response HTTP Status Code: ', response.status);
        console.log('Response HTTP Response Body: ', response.data);
    }).catch((e) => {
        console.error('Error:', e);
    });