fix

zhongzheng-system/src/main/java/com/zhongzheng/modules/goods/service/impl/GoodsQuestionRelExamServiceImpl.java

@@ -137,7 +137,7 @@ public class GoodsQuestionRelExamServiceImpl extends ServiceImpl<GoodsQuestionRe
         }
         OrderGoods qsOrderGoods = iOrderGoodsService.getOne(new LambdaQueryWrapper<OrderGoods>()
                 .eq(OrderGoods::getOrderGoodsId, questionRel.getQsOrderGoodsId()));
-        if(Validator.isEmpty(qsOrderGoods)||qsOrderGoods.getServiceEndTime()<DateUtils.getNowTime()||qsOrderGoods.getServiceStartTime()>DateUtils.getNowTime()){
+        if(Validator.isEmpty(qsOrderGoods)||Validator.isEmpty(qsOrderGoods.getServiceEndTime())||qsOrderGoods.getServiceEndTime()<DateUtils.getNowTime()||qsOrderGoods.getServiceStartTime()>DateUtils.getNowTime()){
             throw new CustomException("未在服务期内无法访问");
         }
         if(questionRel.getQuestionDoNum()<1){