优化超时取消运单定时任务

sckw-modules/sckw-fleet/src/main/java/com/sckw/fleet/service/KwfDriverScoreService.java

@@ -373,7 +373,8 @@ public class KwfDriverScoreService {
         BigDecimal scoreChange = dto.getScore();
 
         //3. 修改司机评分
-        driverScore.setScore(currentScore.add(scoreChange));
+        BigDecimal newScore = currentScore.add(scoreChange);
+        driverScore.setScore(newScore.compareTo(BigDecimal.ZERO) < 0 ? BigDecimal.ZERO : newScore);
         driverScoreRepository.updateById(driverScore);
 
         //4.新增司机评分明细