Chonbuk National University library users' convenience to use application created to provide the following services.  ▣ Mobile ID     - Find out when the user authenticated at the gate     - Find Seat Use, book lending during the user authentication  ▣ library, check seat availability     - Self-study in the library, check usage per seat     - Status of the map and check the seating chart for each siseolbyeol  ▣ Study Room Reservations     - Study Room availability at any time by touching the