1. Click the menu "System Management".

2. Enter the system management module, click the menu "Space Expansion".

3. View the current version.

4. Click to buy other versions, you can expand the space, increase the record volume, etc.

5. Click "Buy Now" to pop up the purchase QR code, scan the code with the mobile phone WeChat to pay and expand the capacity.

6. After successful payment, wait for 10 minutes, the corresponding capacity and date will be updated.