在atr_rsi_strategy策略中，只有止损出场？
怎么处理止盈呢？
只有止损没有处理止盈，怎么会有盈利呢？
` def on_bar(self, bar: BarData):
"""
Callback of new bar data update.
"""
self.cancel_all()
am = self.am
am.update_bar(bar)
if not am.inited:
return
atr_array = am.atr(self.atr_length, array=True)
self.atr_value = atr_array[-1]
self.atr_ma = atr_array[-self.atr_ma_length:].mean()
self.rsi_value = am.rsi(self.rsi_length)
if self.pos == 0:
self.intra_trade_high = bar.high_price
self.intra_trade_low = bar.low_price
if self.atr_value > self.atr_ma:
if self.rsi_value > self.rsi_buy:
self.buy(bar.close_price + 5, self.fixed_size)
elif self.rsi_value < self.rsi_sell:
self.short(bar.close_price - 5, self.fixed_size)
elif self.pos > 0:
self.intra_trade_high = max(self.intra_trade_high, bar.high_price)
self.intra_trade_low = bar.low_price
long_stop = self.intra_trade_high * \
(1 - self.trailing_percent / 100)
self.sell(long_stop, abs(self.pos), stop=True)
elif self.pos < 0:
self.intra_trade_low = min(self.intra_trade_low, bar.low_price)
self.intra_trade_high = bar.high_price
short_stop = self.intra_trade_low * \
(1 + self.trailing_percent / 100)
self.cover(short_stop, abs(self.pos), stop=True)
`
