string(302) "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%E4%B8%BA%E4%BB%80%E4%B9%88%E8%A6%81%E9%87%8D%E6%96%B0%E6%94%AF%E4%BB%98%E5%87%A0%E5%A4%A9%E9%80%80%E6%AC%BE%E5%91%A2 => Failed to connect to 101.91.112.32 port 38221: Connection refused"
改签为什么要重新支付几天退款呢
