@property
def sell_daily_pnl(self):
    '\n        [float] 当日卖方向盈亏\n        '
    return (self.sell_holding_pnl + self.sell_realized_pnl)
[float] 当日卖方向盈亏
@property
def sell_daily_pnl(self):
    '\n        \n        '
    return (self.sell_holding_pnl + self.sell_realized_pnl)