@property
def buy_realized_pnl(self):
    '\n        [float] 买方向平仓盈亏\n        '
    return self._buy_realized_pnl
[float] 买方向平仓盈亏
@property
def buy_realized_pnl(self):
    '\n        \n        '
    return self._buy_realized_pnl