2. On the personal center page, you should see a "data supplement" or "data modification" button, and then click it. After entering the information supplement page, you can view the specific information that needs to be supplemented. The materials that may usually need to be supplemented are: household registration book, ID card, school registration certificate, report card, honorary certificate, etc.
3. Please upload or submit relevant materials as required. The uploaded data shall conform to the format and size required by the platform, and shall be legible. If you can't upload the data, you can try to change the browser or contact the technical support of the platform. After the information is submitted, wait patiently for the review.