string(257) "get document error：https://zhidao.baidu.com/search?lm=0&rn=10&pn=0&fr=search&dyTabStr=null&word=%E5%88%9D%E7%BA%A7%E6%8A%A5%E5%90%8D%E8%83%BD%E9%80%80%E8%B4%B9%E5%90%97%E7%8E%B0%E5%9C%A8 => Failed to connect to 101.91.112.32 port 38162: Connection refused"
初级报名能退费吗现在
