1, time limit: JumpCafe reservation code is valid for a certain period of time, and will change after the validity period.
2. System update: JumpCafe reservation system has been updated or upgraded, which will lead to the change of reservation code.
3. Activity change: When the activity, service or location of JumpCafe changes, the reservation code will be adjusted accordingly.
4. Security considerations: In order to ensure the information security of users, the JumpCafe reservation code will be replaced regularly to prevent bad behavior or theft.
5. Avoid reuse: JumpCafe reservation code will be changed regularly to avoid reuse or abuse.