The device will swing outward along corners (corners, table, and chair legs). You can turn off the collision avoidance mode in the app and turn on Mop Extension for Gap to solve this problem. (If the machine has an AI function, please turn on the AI-driven SideReach and Intensive Cleaning for Furniture Legs in the app.) If it still doesn't work, please contact support.na@dreame.tech for further support.