The results are not entered into the system, the system is faulty or delayed, the internal process of the school is delayed, and personal reasons. According to the national open university learning network.

1, the results are not entered into the system: the school needs time to enter the test results into the system, and it needs processing time. Especially after a large number of students take the exam, it takes more time to enter scores.

2. System failure or delay: A system failure or technical problem occurs, which leads to the failure or delay of the performance inquiry system. This requires the school's educational administration department or technical team to solve the problem.

3. School internal process delay: There is a delay in the school internal performance review or confirmation process, such as teacher marking and performance review. This will take time to complete.

4. Personal reasons: personal query results are wrong or delayed, such as forgetting the query results and wrong query methods. The correct time and method to view the query results.