How to prevent customers' personal belongings from being lost in the store?

Clothing store: put warning signs in a conspicuous position in the store;

You can put a locker with a lock in the locker room, and the key can be hung on the lock with a note attached. After getting dressed, you can lock your belongings in the locker and take the keys away, so as not to delay the next customer from using the locker room and improve the efficiency of the locker room.

Install a camera in the left and right corners of the back side of the store, and a downward monitoring camera outside the store should be able to monitor 360.

Finally, civil air defense.