string(294) "get document error：https://zhidao.baidu.com/search?lm=0&rn=10&pn=0&fr=search&dyTabStr=null&word=%E6%B3%A8%E5%AE%89%E5%B8%88%E8%80%83%E4%BB%80%E4%B9%88%E7%A7%91%E7%9B%AE%E6%9C%80%E9%9A%BE%E5%BA%A6%E5%A4%A7%E7%9A%84%E9%A2%98 => Failed to connect to 101.89.117.144 port 38005: Connection refused"
注安师考什么科目最难度大的题
