A reservation management system built with ReactJS as the frontend framework and Supabase as the backend database. This project includes five main pages: Dashboard, Orders, Rooms, Admins, and Settings. ．Dashboard: Displays data such as the number of orders, sales revenue, and occupancy rate. ．Order Management: Allows viewing customer order information, room rates, and room status. ．Room Management: Enables adding rooms, setting prices, and determining the number of occupants. ．Admin Management: Allows adding backend administrators and sending email verification through Supabase. ．Settings: Allows setting breakfast prices, and the minimum/maximum length of stay.