string(267) "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%B9%B0%E4%B8%9C%E8%A5%BF%E6%98%AF%E8%A6%81%E5%85%88%E4%BB%98%E6%AC%BE%E5%90%97 => Failed to connect to 101.89.143.195 port 38175: Connection refused"
闲鱼买东西是要先付款吗
