string(283) "get document error：https://zhidao.baidu.com/search?lm=0&rn=10&pn=0&fr=search&dyTabStr=null&word=%E9%97%B2%E9%B1%BC%E4%BA%A4%E6%98%93%E6%98%AF%E8%B4%A7%E5%88%B0%E4%BB%98%E6%AC%BE%E5%90%97%E5%AE%89%E5%85%A8%E5%90%97 => Failed to connect to 14.18.117.71 port 38220: Connection refused"
闲鱼交易是货到付款吗安全吗
