1. These books were stored when they arrived in the library. At this point, the book needs to input information and is in the editing state.

Books are put into the warehouse after they arrive at the library. At this point, the book needs to input information and is in the editing state.

3. After the entry of the book information in editing is completed, the book status will change to the stack status. You can borrow books at this time.

4. When books are in the stacks, readers can borrow books, and the borrowed books become the borrowing state. At this point, other readers will not be able to borrow the book again.

5. After the lent book is returned, the state of the book becomes in the stack room.

6. When some books in the inventory are set as collections, the status of the books is collections, and the current books cannot be borrowed by readers. After canceling the collection setting, the state of the book will be restored to the state in the stack.