string(321) "get document error：https://zhidao.baidu.com/search?lm=0&rn=10&pn=0&fr=search&dyTabStr=null&word=%E4%BA%9A%E9%A9%AC%E9%80%8A%E4%B8%8A%E7%9A%84%E8%87%AA%E8%90%A5%E5%92%8C%E6%B5%B7%E5%A4%96%E8%87%AA%E8%90%A5%E6%9C%89%E4%BB%80%E4%B9%88%E5%8C%BA%E5%88%AB => Failed to connect to 101.89.117.144 port 38017: Connection refused"
亚马逊上的自营和海外自营有什么区别
