Some dayes ago, I've received a mail from Zoom as flollwing:
Starting April 18, paid account customers will be able to opt in or out of specific data center regions for real-time meeting data in transit to customize the data center regions available to their accounts. Will be. Administrators of Zoom accounts and account owners of paid accounts can be set at the account, group, or user level.
Opt-out for specific data center regions
Opt-in to specific data center area
After April 18th (US time), please access the Zoom web portal and configure the settings.
I've checked the setting of Zoom, I've found it as following: