Android 14+或某些时期可能需要这个
142.250.157.188 mtalk.google.com
142.250.141.188 alt1-mtalk.google.com
142.250.115.188 alt2-mtalk.google.com
64.233.171.188 alt3-mtalk.google.com
173.194.202.188 alt4-mtalk.google.com
142.250.141.188 alt5-mtalk.google.com
142.250.115.188 alt6-mtalk.google.com
142.250.141.188 alt7-mtalk.google.com
142.250.152.188 alt8-mtalk.google.com
180.163.151.161 dl.google.com
180.163.150.33 dl.l.google.com
如果你的手机上装了 Magisk,也可以考虑使用 systemless-fcm-hosts 集成
https://gcore.jsdelivr.net/gh/entr0pia/fcm-hosts@fcm/fcm-hosts
https://github.com/entr0pia/fcm-hosts/raw/fcm/fcm-hosts
可以使用 FCM Toolbox 测试消息送达的情况