ask_delta: dec!(-2),

            bid_delta: dec!(-2),

            默认值问题

strategy/src/predictor.rs

@@ -179,8 +179,8 @@ impl Predictor {
             optimal_ask_price: Self::DONT_VIEW,
             optimal_bid_price: Self::DONT_VIEW,
 
-            ask_delta: Default::default(),
-            bid_delta: Default::default(),
+            ask_delta: dec!(-2),
+            bid_delta: dec!(-2),
 
             is_ready: false,