According to the public information about the query, it is ok to wait for the background update for 24 hours. Generally, the official network platform is not very easy to use, and more people can't log in. You can wait a few hours and try again.

Linyi Education Charge Management System is a professional online education charge software, which has the functions of payment record query, big data analysis, tuition statistics and so on, so that students and parents can intuitively see the progress of the charge.