一些小調整。

strategy/src/avellaneda_stoikov.rs

@@ -245,11 +245,11 @@ impl AvellanedaStoikov {
             }
 
             if self.ratio_edge > Decimal::ZERO {
-                self.ask_delta = self.ask_delta - self.ratio_edge.abs() * (dec!(1.618) - self.t_diff);
+                self.ask_delta = self.ask_delta - self.ratio_edge.abs() * (Decimal::TWO - self.t_diff);
                 self.bid_delta = self.bid_delta + self.ratio_edge.abs() * dec!(16);
             } else if self.ratio_edge < Decimal::ZERO {
                 self.ask_delta = self.ask_delta + self.ratio_edge.abs() * dec!(16);
-                self.bid_delta = self.bid_delta - self.ratio_edge.abs() * (dec!(1.618) - self.t_diff);
+                self.bid_delta = self.bid_delta - self.ratio_edge.abs() * (Decimal::TWO - self.t_diff);
             }
 
             if self.init_delta_plus.is_zero() {