Which market main station and trading center are related to your computer network. You open the landing interface of Reiz version, and there is "System Detection" in the lower right corner. After clicking on it, there is the speed measuring interface, and from left to right, there are "speed measuring at the main station of market", "speed measuring at the trading center" and "speed measuring at the main station of futures market" in turn. Click "Speed Measurement in Trading Center" first, and then start speed measurement in the lower left corner of the interface. When the speed comes out, the smaller the comprehensive value, the better. Write down the name of that main station. Then return to the login interface, click the communication settings in the lower left corner, and manually change the trading center.