The camera is set incorrectly or the detected content is incomplete. There is something wrong with the mathematical accuracy of BBK S6 family education machine, which is caused by improper camera setting or incomplete detection content. You can try to readjust the camera and recheck the shooting content. If the problem still cannot be solved, you can try to uninstall the BBK S6 application, download and install it again, and then try again. BBK family education machine S6 can reflect the soft power of the brand's deep education for many years. This family education machine adds the function of real family education.