Why does the MicroSD card on the Xiaomi Smart Camera C300 Dual not record videos?

If the MicroSD card on the Xiaomi Smart Camera C300 Dual cannot record videos, please refer to the following details:
1. Please check whether the camera firmware and APP version need to be updated;
2. Please check whether the function of only recording moving images is turned on in the Mi Home/Xiaomi Home APP;
3. Format the MicroSD card in the Mi Home/Xiaomi Home APP (formatting the MicroSD card will clear the videos, so back up the videos before formatting);
4. If the MicroSD card cannot be formatted in the Mi Home/Xiaomi Home APP, you can format the MicroSD card on the computer using a card reader. After formatting, power off the camera and reinstall the MicroSD card.