It means that your two books were not returned successfully, and the system did not read the data.

Method 1: Call the service desk of the new library at 83836666, report the card number and name, and ask the staff to help you check the system and register. If there are enough people, they will arrange staff to look for these two books in the stacks.

Method 2: Go directly to the new library to retrieve these two books and brush them again.