1. First open the APP software and log in to the account of the APP software.

2. After successfully logging into the APP software, enter the My page, and then click the settings icon.

3. You will then enter the ID card scanning page, and then scan the new ID card. Both front and back sides need to be scanned.

4. At this time, you will enter the page to modify the certificate validity period, as shown in the figure, and then click Next.

5. Face authentication is required later, and we need to move the face into the frame.

6. After the verification is successful, the relevant documents will be successfully submitted, and the modification will be completed within two working days.

7. We need to pay attention to the fact that the time for modifying the certificate is from 7 am to 7 pm. The operation cannot be performed at other times.