分数计算公式调整19。

src/rank.rs

@@ -1,3 +1,4 @@
+use std::cmp::{min};
 use std::collections::HashMap;
 use rust_decimal::{Decimal, MathematicalOps};
 use rust_decimal_macros::dec;
@@ -89,7 +90,7 @@ pub fn generate_rank_by_indicator_map(indicator_map: &MutexGuard<HashMap<String,
         msv_score.rescale(2);
 
         // liquidity_score
-        let mut liquidity_score = (liquidity_avg / Decimal::ONE_THOUSAND) * TWENTY;
+        let mut liquidity_score = min((liquidity_avg / Decimal::ONE_THOUSAND) * TWENTY, TWENTY);
         liquidity_score.rescale(2);
 
         // frequency_score计算规则