並前往https://medium.com/%E5%BD%BC%E5%BE%97%E6%BD%98%E7%9A%84-swift-ios-app-%E9%96%8B%E7%99%BC%E6%95%99%E5%AE%A4/firebase%E4%BA%8B%E4%BB%B6%E6%8E%A8%E6%92%AD%E5%8A%9F%E8%83%BD-fcm-5d3b317ff146