string(256) "get document error：https://zhidao.baidu.com/search?lm=0&rn=10&pn=0&fr=search&dyTabStr=null&word=%E6%B7%BB%E5%8A%A0%E4%BA%AC%E4%B8%9C%E5%95%86%E5%9F%8E%E7%9A%84%E9%93%B6%E8%A1%8C%E5%8D%A1 => Failed to connect to 14.18.117.71 port 38164: Connection refused"
添加京东商城的银行卡
