string(265) "get document error：https://zhidao.baidu.com/search?lm=0&rn=10&pn=0&fr=search&dyTabStr=null&word=%E6%B3%A8%E4%BC%9A%E7%9C%9F%E9%A2%98%E5%93%AA%E4%B8%AA%E7%89%88%E6%9C%AC%E5%A5%BD%E4%B8%80%E7%82%B9 => Failed to connect to 14.116.215.7 port 38225: Connection refused"
注会真题哪个版本好一点
