並前往https://shereeh.pixnet.net/blog/post/44994291-%E9%82%84%E6%9C%89%E5%A4%9A%E5%B0%91%E4%BA%BA%E6%B2%92%E8%A3%9D-etag%EF%BC%9F%E7%B9%B3%E8%B2%BB%E7%94%A8%E6%88%B6%E5%92%8C-etag-%E7%94%A8%E6%88%B6%E6%AF%94