Enter CF in uppercase, and select the contract you want to trade is to enter the contract market page. If you want to place an order, you need to log in to the trading account and click the place where you want to place an order. Another is that you select the contract you want to trade at the contract office of the order interface, and then adjust the number of lots and the price to place an order.

What you said may be that you directly input the transaction code into the software, which is the interface of contract quotation, not your operation problem.