What does the number of the pick-up code of the rookie post stand for?

The number of the rookie station is the pick-up code, which is a four-digit number randomly generated by the system. It is a voucher for docking with the courier brother or rookie full-time staff who pick up the goods at home.

The general format is z-y-xxxx, where Z represents the shelf number, Y represents the floor of the shelf, and xxxx is your courier number. Only with this pick-up code can you find your package quickly in a room full of express delivery.