並前往http://lugiaserver.ddns.net/2020/11/16/android-%E4%BD%BF%E7%94%A8google-firebase-%E9%80%B2%E8%A1%8C%E6%8E%A8%E6%92%AD%E6%8E%A5%E6%94%B6%E9%A1%AF%E7%A4%BA-cloud-messaging/