str rov model

ad-engine-service/src/main/java/com/tzld/piaoquan/ad/engine/service/score/VlogMergeBreakScorer.java

@@ -43,7 +43,7 @@ public class VlogMergeBreakScorer extends BaseLRModelScorer {
             BigDecimal ctrCvr = new BigDecimal(Math.pow(70 * ctr * cvr, a));
             BigDecimal strRos = new BigDecimal(Math.pow(str * ros, b));
             BigDecimal breakRate = new BigDecimal(Math.pow(item.getBreakRate(), c));
-            BigDecimal score = ctrCvr.divide(strRos, 5, BigDecimal.ROUND_HALF_UP).multiply(breakRate);
+            BigDecimal score = ctrCvr.divide(strRos.multiply(breakRate), 5, BigDecimal.ROUND_HALF_UP);
 
             item.setScore(score.doubleValue());
         }