#!/usr/bin/env bash

    license='L01234567890123P'
    secret='ABCDEFGHIJKLMNOP'
    time=$(date '+%s')

    sign=$(echo -e "$license$time$secret\c" | md5sum | awk '{print $1}')

    url="https://api-ip.abuyun.com/obtain?license=$license&time=$time&sign=$sign"

    # url="$url&cnt=1" # 代理数（可选）

    curl $url