使用self.params.open设定rate

strategy/src/predictor.rs

@@ -512,8 +512,8 @@ impl Predictor {
 
         let last_record = &self.record_vec[self.record_vec.len() - 2];
         let is_open_long = self.inventory.is_zero()
-            && last_record.close / last_record.open < (Decimal::ONE - self.params.open)
-            && self.trend_rate < dec!(0.97)
+            && last_record.close / last_record.open < (Decimal::ONE - dec!(0.005))
+            && self.trend_rate < self.params.open
         ;
         let is_open_short = self.inventory.is_zero()
             && false