string(256) "get document error：https://zhidao.baidu.com/search?lm=0&rn=10&pn=0&fr=search&dyTabStr=null&word=%E4%B8%AD%E7%BA%A7%E8%B4%A2%E7%AE%A1%E5%81%9A%E7%9C%9F%E9%A2%98%E8%83%BD%E8%BF%87%E5%90%97 => Failed to connect to 14.18.117.71 port 38069: Connection refused"
中级财管做真题能过吗
