Customer Support

Last updated: 2026-05-19

For any questions regarding usage, refunds, or registration changes, please contact us through the channels below.

Customer Support Email

Suggested subject line: Issue Type (Refund / Session Change / Registration / Other) + Your Registered Email

Customer Support Response Hours

Monday to Friday, 09:00–18:00 (excluding Taiwan national holidays)

Emails received outside service hours will still be processed and replied to in sequence on the next business day. General refund / registration inquiries have a response time of 1 business day.

Operator Information

Operator: Lin Hong-Hsien (林泓賢)

Business name: 404 TABLE (sole proprietor)

Contact email: support@404table.com

Frequently Asked Questions

Refund application: see Refund Policy.
Payment methods: see Payment Information.
Personal data rights: see Privacy Policy.
Classroom rules: see Terms of Service.