1. Open the My Changzhou APP and log in to your personal account.

2. Enter the "Healthy Campus" page, and click on the family members in the upper left corner to enter the family page.

3. Find the location where the information needs to be modified on the homepage, and click the avatar of the account.

4. In the pop-up page, click Modify Student Information.

5. In the pop-up page, select gender, and then click Save.

6. After returning to the previous page, select the grade to be modified and click the "drop-down" button.

7. In the pop-up page, select junior high school, and then click Save.