string(256) "get document error：https://zhidao.baidu.com/search?lm=0&rn=10&pn=0&fr=search&dyTabStr=null&word=%E4%B8%BA%E4%BB%80%E4%B9%88%E5%BE%B7%E9%82%A6%E5%BF%AB%E9%80%92%E8%BF%99%E4%B9%88%E8%B4%B5 => Failed to connect to 14.18.117.71 port 38093: Connection refused"
为什么德邦快递这么贵
