並前往https://www.upyun.com/tech/article/622/%E3%80%90%E7%99%BD%E8%AF%9D%E7%A7%91%E6%99%AE%E3%80%91CDN%20%26%20%E6%B8%B8%E6%88%8F%E5%8A%A0%E9%80%9F%E5%99%A8%EF%BC%8C%E4%B8%A4%E8%80%85%E6%98%AF%E4%B8%80%E4%B8%AA%E5%8E%9F%E7%90%86%E5%90%97%EF%BC%9F.html