string(240) "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%80%8E%E4%B9%88%E9%80%80%E6%8A%A5%E5%90%8D%E8%B4%B9 => Failed to connect to 101.89.159.206 port 38075: Connection refused"
初级怎么退报名费
