A: Parents with mobile phone numbers can open the login interface and click "Forgot Password" to retrieve it.

If you don't have a mobile phone number, you can contact the class teacher or log on to the platform. Click "Apply" → "Reset Parental Password" and follow the prompts step by step.

Really not, contact the class teacher and ask him to reset the registration code, and you can re-register.

Your approval is the motivation for my answer, please adopt it.