string(312) "get document error：https://zhidao.baidu.com/search?lm=0&rn=10&pn=0&fr=search&dyTabStr=null&word=%E4%B8%AD%E5%8D%8E%E4%BC%9A%E8%AE%A1%E7%BD%91%E6%A0%A1%E5%8D%8F%E8%AE%AE%E7%8F%AD%E4%B8%8D%E8%BF%87%E7%9C%9F%E7%9A%84%E9%80%80%E8%B4%B9%E5%90%97 => Failed to connect to 101.89.117.144 port 38022: Connection refused"
中华会计网校协议班不过真的退费吗
