/// <summary>
/// 设置用户合约杠杆
/// </summary>
/// <param name="contractCode"></param>
private static void SetLeverage(string contractCode)
{
_logger.Start();
var data = _tradeClient.SetLeverageAsync(contractCode, (int)Direct.Long, 20).Result;
_logger.StopAndLog();
AppLogger.Info($"set leverage, data:{JsonConvert.SerializeObject(data)}");
}