1. First, you can consider shutting down the software running the QR code in the background, then restarting it and opening the QR code again for identification. You can usually open a web page.

2. If closing the running software doesn't work, the user can consider restarting the mobile phone, and then log in to identify the QR code again to see if he can access the webpage.

3. Open the software interface for identifying the QR code, click My to enter the personal homepage, select Settings, and then find the option about the version to see if the software belongs to the latest version. If not, update the software to the latest version, and then reopen the software to identify the QR code.

4. If the above three methods can't solve the problem of identifying the QR code but can't open the web page, you can consider restoring the factory settings, but restoring the factory settings will delete all data, so users need to back up important data first, then restore the factory settings, restart the software, identify the QR code, and then open the web page.