不要state，测试。

strategy/src/predictor.rs

@@ -562,13 +562,11 @@ impl Predictor {
         let is_open_long = self.force_order_value < -self.params.open
             && (self.mid_price < self.prev_trade_price * dec!(0.999) || self.prev_trade_price.is_zero())
             && self.inventory < self.params.grid
-            && self.state == 0
             && self.volume_decay > dec!(0.2)
             && self.bid_delta == dec!(-2);
         let is_open_short = self.force_order_value > self.params.open
             && (self.mid_price > self.prev_trade_price * dec!(1.001) || self.prev_trade_price.is_zero())
             && self.inventory > -self.params.grid
-            && self.state == 0
             && self.volume_decay > dec!(0.2)
             && self.ask_delta == dec!(-2);