2. Next, you need to select settings in the upper right corner of the opened interface, as shown in the figure.

3. Next, click the camera in the pop-up setting interface, as shown in the figure.

4. Next, you need to click to turn off the camera, and then return to the class interface, as shown in the figure below.

5. This will turn off the camera. If you need to open the settings again, click to open the camera, as shown in the figure.