404. That’s an error.

The requested URL /add?feedurl=https://dafahao.com/mask-not-foggy.html&title=%E6%88%B4%E5%8F%A3%E7%BD%A9%EF%BC%8C%E7%9C%BC%E9%95%9C%E4%B8%8D%E8%B5%B7%E9%9B%BE%EF%BC%8C%E6%97%A5%E6%9C%AC%E8%AD%A6%E8%A7%86%E5%8E%85%E7%9A%84%E4%BA%8C%E6%8B%9B was not found on this server. That’s all we know.