It is reported a tourist visiting Shanghai from Hunan province was killed in an accident. She did some shopping with her friends on the sixth floor of a big department store. After shopping, she left alone. She intended to go down on the lift. After pressing the button, the door of the lift opened ,then she stepped in. The incident took place for there was no lift there. With a big bang, she fell directly and heavily on the ground. She was killed on the spot. Later, the spokesman of the department store said that the lifts at the store were under repair. Then we asked where were warning signs. Their carelessness took a person's life. Why the innocent person paid the price for their mistake?