hi @강경희
We know unexpected charges or auto-renewals can be frustrating.
For security and privacy reasons, refunds, cancellations, and billing changes can’t be handled in the Community.
For account-specific help, please start with the Zoom Virtual Agent,
https://support.zoom.com/hc/en/contact?id=contact_us&zva=open
which can connect you to Billing Support if needed. Charges are generally non-refundable once processed, per Zoom’s Terms of Service.
https://www.zoom.com/en/trust/terms/
For additional context, I suggest you look at the article on canceling subscriptions and unexpected charges.
https://support.zoom.com/hc/en/article?id=zm_kb&sysparm_article=KB0083524