Failed to resolve 'www.info.hzau.edu.cn' ([Errno 11004] getaddrinfo failed)"))

这个错误通常是因为你的程序无法解析主机名（www.info.hzau.edu.cn）到 IP 地址。可能的原因包括：

1. 主机名无法解析：该主机名可能不存在或者被 DNS 污染。你可以尝试在浏览器中访问该网站，看看是否可以正常打开。
2. 网络连接问题：你的计算机可能无法连接到互联网或者因为某些原因无法访问该网站。你可以尝试使用 ping 命令或者 traceroute 命令测试你的网络连接和路由情况。
3. 防火墙或者代理问题：你的计算机可能被防火墙或者代理阻止了对该网站的访问。你可以尝试关闭防火墙或者代理，或者配置相应的例外规则。

你可以先确认一下你的网站是否可以正常打开，并且检查一下你的网络连接和防火墙/代理设置。如果问题仍然存在，你可以尝试使用其他工具或者库来实现相同的功能，或者联系网站管理员寻求帮助。

相关问题

urllib.error.URLError: <urlopen error [Errno 11004] getaddrinfo failed>

This error occurs when the URL that is being accessed is invalid or cannot be resolved. It could also occur if the internet connection is not stable or if there is a DNS (Domain Name System) error.

To resolve this error, you can try the following steps:

1. Check if the URL is correct and valid.
2. Make sure that you have a stable internet connection.
3. Try using a different browser or device to access the URL.
4. Clear the cache and cookies of your browser.
5. Restart your computer or device.
6. Contact the website administrator or your internet service provider to check for any issues on their end.

[Errno 11001] getaddrinfo failed [Errno 11001] getaddrinfo failed - goodbye

As an AI language model, I am unable to determine the context of this message. However, the error message "getaddrinfo failed" usually occurs when a program or application is unable to resolve a domain name or IP address. This could be due to an incorrect URL or DNS server issues. Without further information or context, it is difficult to provide a more specific answer.