How to turn on the child lock function?

Method 1: Press and hold the fixed-point cleaning button on the main unit for 5 seconds;
Method 2: If your robot is equipped with a network, you can open the app-click to enter-Settings-More Settings-Child Lock-can be turned on or off;
Note: After the child lock is turned on, all buttons of the machine are unavailable, and the foot touch control is also unavailable;