票组中奖率

mp-service/src/main/java/com/qs/mp/admin/service/impl/TicketBoxServiceImpl.java

@@ -125,7 +125,7 @@ public class TicketBoxServiceImpl extends ServiceImpl<TicketBoxMapper, TicketBox
       } else {
         BigDecimal hitRate = new BigDecimal(awardsParam.getQuantity() * 100).divide(
             new BigDecimal(ticketBox.getQuantity()), 4, RoundingMode.DOWN);
-        sumHitRate.add(hitRate);
+        sumHitRate = sumHitRate.add(hitRate);
         ticketAwards.setHitRate(hitRate);
       }
       ticketAwardsList.add(ticketAwards);