string(258) "get document error：https://zhidao.baidu.com/search?lm=0&rn=10&pn=0&fr=search&dyTabStr=null&word=%E6%94%B9%E7%AD%BE%E8%BF%98%E8%A6%81%E4%BB%98%E6%AC%BE%E5%90%97%E6%80%8E%E4%B9%88%E5%8A%9E => Failed to connect to 101.89.117.144 port 38005: Connection refused"
改签还要付款吗怎么办
