string(292) "get document error：https://zhidao.baidu.com/search?lm=0&rn=10&pn=0&fr=search&dyTabStr=null&word=%E4%BA%8C%E7%BA%A7%E5%BB%BA%E9%80%A0%E5%B8%88%E5%88%B7%E7%9C%9F%E9%A2%98%E5%B0%B1%E8%83%BD%E8%BF%87%E5%90%97%E7%8E%B0%E5%9C%A8 => Failed to connect to 14.18.117.71 port 38093: Connection refused"
二级建造师刷真题就能过吗现在
