string(256) "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%E6%94%B6%E6%AC%BE%E9%93%B6%E8%A1%8C%E5%8D%A1%E8%A6%81%E6%B1%82 => Failed to connect to 14.18.117.71 port 38220: Connection refused"
亚马逊收款银行卡要求
