?? ? ?? ? ?? ? ??
??????????
????????????????????????????????????????? Email?Telegram Bot?RSS?Web Push ??????????
??????
???? CMI ???? $20??? VPS ?? $10?
??????
?????????????/?????????
?????
??????Vultr?Linode?Hetzner ??????
??????
???????????????????
????
????? `api.createAlertSubscription()`??? `/api/alert-subscriptions/` ????????????