1. Modify through the group chat interface: open the nail and enter the home-school group chat. On the group chat page, click the symbol "..." in the upper right corner, select "group nickname", enter a new comment name in the pop-up modification dialog box, and then click "Save".
2. Modify by profile: Open the nail and click the "My" button in the lower right corner. On the personal center page, click the avatar to enter the personal information settings. On the Modify Comment Name page, enter a new comment name and click the Save button.