The safety exit of the shopping mall, your store door is definitely not as angry as the whole shopping mall door, and the second door is evil, and you will eventually suffer. Be careful! ! ! To expand the scale, the original business must be good. It is suggested to use the original store door as the door, install fixed floor-to-ceiling glass on the expanded part, and then stick it on the Shanghai newspaper to cover it, so as to better see the door opposite the store.