First of all, you click to enter the home page, and there are several lines in the upper right corner, such as "borrowing login, renewing appointment"

You choose "borrowing login", enter your library card number and your password to enter, then select the book you want to renew, and click "partial renewal" or "full renewal" to pull it.

Finally, you should confirm whether the repayment time has been extended. If it is changed, it means that the renewal has been successful!

I'm depressed. Seeing your message, I went in to see my ending. As a result, I misremembered the borrowing time and it was overdue. ...