We've fixed everything, and seems all issues are fixed. We decide to choose Netlify service for our PaaS service. We're sorry for any inconvenience.
Update · UTC
We're not going to use Google Firebase service because their services don't meet our requirements. So, we are trying to find another PaaS services that meets our requirements.
Update · UTC
We're currently in the state where we want to migrate our current PaaS which is Microsoft Azure to Google Firebase. We will continue to inform you if there any updates from us.
Identified · UTC
We've identified if our landing websites are not working properly. We'll fix this issue as soon as possible, but it may take several hours/days.