string(312) "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%9A%84%E7%BB%BC%E5%90%88%E9%A2%98%E6%98%AF%E9%80%89%E6%8B%A9%E9%A2%98%E8%BF%98%E6%98%AF%E8%87%AA%E5%B7%B1%E5%BD%95%E5%85%A5 => Failed to connect to 101.89.117.144 port 38017: Connection refused"
注会的综合题是选择题还是自己录入
