Yantai Railway Station is an important railway hub, and the passenger capacity of the railway station has reached a record high repeatedly, especially during holidays, Yantai Railway Station will have a large number of passengers. All of these reasons bring a great burden to the railway station. Therefore, it is urgent to dredge the passenger flow in the railway station. Only by ensuring the safety and fluency of the railway station, can passengers enter the station safely, punctually and safely. 报错