/// <summary>
/// 下单
/// </summary>
/// <param name="contractCode"></param>
/// <returns></returns>
private static long CreateOrder(string contractCode)
{
_logger.Start();
var orderId = _tradeClient.CreateOrderAsync(contractCode, (int)OrderTradeType.BuyLong, 10, 45000).Result;
_logger.StopAndLog();
AppLogger.Info($"create order done, orderId:{orderId}");
return(orderId);
}