並前往https://blog.twjoin.com/android-%E7%AD%86%E8%A8%98-fcm-%E5%9C%A8-app-%E5%89%8D%E6%99%AF%E8%88%87%E8%83%8C%E6%99%AF%E4%B8%AD%E6%89%80%E7%94%A2%E7%94%9F%E7%9A%84%E4%B8%8D%E5%90%8C%E8%A1%8C%E7%82%BA-d213d98ab317?source=topics_v2---------6-89--------------------b77fe72b_57aa_40f8_8dd2_bf4134894185-------19