It's overdue now, so I have to pay it back.

Specific information:

Books and periodicals can be borrowed for 2 1 day, and can be renewed for 1 time before expiration, and the renewal period is 2 1 day. Readers can call 2980252 or visit our website (www.xmlib.net) to renew their loan. Expired books and periodicals cannot be renewed; If it is overdue, the overdue loan shall be paid 0. 10 yuan per volume (piece) per day.