string(271) "get document error：https://zhidao.baidu.com/search?lm=0&rn=10&pn=0&fr=search&dyTabStr=null&word=2021%E5%B9%B4%E6%B3%A8%E4%BC%9A%E7%BB%BC%E5%90%88%E8%80%83%E8%AF%95%E5%A4%A7%E7%BA%B2%E4%B8%8B%E8%BD%BD => Failed to connect to 101.89.143.195 port 38109: Connection refused"
2021年注会综合考试大纲下载
