fix：【MALL 商城】秒杀、积分商品库存剩余 1 时，无法下单

yudao-module-mall/yudao-module-promotion-biz/src/main/java/cn/iocoder/yudao/module/promotion/service/point/PointActivityServiceImpl.java

@@ -300,7 +300,7 @@ public class PointActivityServiceImpl implements PointActivityService {
             throw exception(POINT_ACTIVITY_JOIN_ACTIVITY_SINGLE_LIMIT_COUNT_EXCEED);
         }
         // 2.2 校验库存是否充足
-        if (count >= product.getStock()) {
+        if (count > product.getStock()) {
             throw exception(POINT_ACTIVITY_UPDATE_STOCK_FAIL);
         }
         return BeanUtils.toBean(product, PointValidateJoinRespDTO.class);

yudao-module-mall/yudao-module-promotion-biz/src/main/java/cn/iocoder/yudao/module/promotion/service/seckill/SeckillActivityServiceImpl.java

@@ -317,7 +317,7 @@ public class SeckillActivityServiceImpl implements SeckillActivityService {
             throw exception(SECKILL_JOIN_ACTIVITY_PRODUCT_NOT_EXISTS);
         }
         // 2.2 校验库存是否充足
-        if (count >= product.getStock()) {
+        if (count > product.getStock()) {
             throw exception(SECKILL_ACTIVITY_UPDATE_STOCK_FAIL);
         }
         return SeckillActivityConvert.INSTANCE.convert02(activity, product);