The front and rear positions of the robot and the infrared window of the charging base are blocked, which will cause the robot to fail to find the charging base ;
The sensor along the wall on the right side of the robot is blocked, which will cause confusion in the mapping route , and it will not be able to travel along the wall normally ;
The ground detection sensors are blocked (four at the bottom), and the corresponding position cannot detect the drop when stepping over steps higher than 8 cm, which will cause the host to fall.