After filling in the volunteers in the senior high school entrance examination, I changed it once without prompting success. What happened?

Did not click submit. After the senior high school entrance examination is completed on the website, it is necessary to make voluntary changes. After the change, you need to click OK and verify your identity. After the change, you won't be prompted to succeed, because you didn't click OK, and you need to make a new change. Junior high school graduation examination, referred to as "senior high school entrance examination", is an examination to test whether junior high school graduates have reached the junior high school graduation level.