diff --git a/mall-shop/src/main/java/com/suisung/mall/shop/activity/service/impl/ShopActivityCutpriceServiceImpl.java b/mall-shop/src/main/java/com/suisung/mall/shop/activity/service/impl/ShopActivityCutpriceServiceImpl.java
index 9b9ec778..4b4913ed 100644
--- a/mall-shop/src/main/java/com/suisung/mall/shop/activity/service/impl/ShopActivityCutpriceServiceImpl.java
+++ b/mall-shop/src/main/java/com/suisung/mall/shop/activity/service/impl/ShopActivityCutpriceServiceImpl.java
@@ -34,6 +34,7 @@ import com.suisung.mall.shop.activity.service.ShopActivityCutpriceService;
 import com.suisung.mall.shop.activity.service.ShopActivityGroupbookingHistoryService;
 import com.suisung.mall.shop.activity.service.ShopActivityGroupbookingService;
 import com.suisung.mall.shop.base.service.AccountBaseConfigService;
+import com.suisung.mall.shop.order.service.ShopOrderInfoService;
 import com.suisung.mall.shop.store.service.ShopStoreActivityBaseService;
 import lombok.extern.slf4j.Slf4j;
 import org.springframework.beans.factory.annotation.Autowired;
@@ -74,6 +75,10 @@ public class ShopActivityCutpriceServiceImpl extends BaseServiceImpl<ShopActivit
     @Autowired
     private ShopStoreActivityBaseService shopStoreActivityBaseService;
 
+    @Lazy
+    @Autowired
+    private ShopOrderInfoService shopOrderInfoService;
+
     @Lazy
     @Autowired
     private AccountService accountService;
@@ -300,6 +305,7 @@ public class ShopActivityCutpriceServiceImpl extends BaseServiceImpl<ShopActivit
         queryWrapper.eq("activity_id", activity_id).eq("user_id", user_id);
         ShopActivityCutprice cutprice_row = findOne(queryWrapper);
 
+        // 立即参与活动？
         boolean is_join_activity = false;
 
         // 如果用户未参与该砍价活动，则创建新的砍价记录
@@ -307,6 +313,8 @@ public class ShopActivityCutpriceServiceImpl extends BaseServiceImpl<ShopActivit
             // 需要检查活动有效期和活动商品库存是否足够
             Pair<Boolean, String> check_result = checkCutPriceExpiredAndStock(activityBase);
             if (!check_result.getFirst()) {
+                // 库存不够，立即更改活动状态为已结束
+                shopStoreActivityBaseService.updateActivityState(activity_id, StateCode.ACTIVITY_STATE_FINISHED);
                 throw new ApiException(check_result.getSecond());
             }
 
@@ -441,6 +449,15 @@ public class ShopActivityCutpriceServiceImpl extends BaseServiceImpl<ShopActivit
                 updateCutPriceState(cutprice.getAc_id(), null, CommonConstant.CutPrice_Order_State_Expired);
                 return CommonResult.failed(I18nUtil._("活动已结束！"));
             }
+
+            // 需要检查活动有效期和活动商品库存是否足够
+            Pair<Boolean, String> check_result = checkCutPriceExpiredAndStock(activityBase);
+            if (!check_result.getFirst()) {
+                // 库存不够，立即更改活动状态为已结束
+                shopStoreActivityBaseService.updateActivityState(cutprice.getActivity_id(), StateCode.ACTIVITY_STATE_FINISHED);
+                throw new ApiException(check_result.getSecond());
+            }
+
         } catch (Exception e) {
             return CommonResult.failed(I18nUtil._("系统繁忙，请稍后再试！"));
         }
@@ -651,6 +668,16 @@ public class ShopActivityCutpriceServiceImpl extends BaseServiceImpl<ShopActivit
             return Pair.of(false, I18nUtil._("活动信息不能为空"));
         }
 
+        if (shopStoreActivityBase.getActivity_id() == null || shopStoreActivityBase.getActivity_id() <= 0) {
+            return Pair.of(false, I18nUtil._("活动ID无效"));
+        }
+
+        //activity_state 活动状态(ENUM):0-未开启;1-正常;2-已结束;3-管理员关闭;4-商家关闭
+        if (shopStoreActivityBase.getActivity_state() != null
+                && !CommonConstant.Enable.equals(shopStoreActivityBase.getActivity_state())) {
+            return Pair.of(false, I18nUtil._("活动已结束，下次再参与！"));
+        }
+
         // 检查活动是否过期
         boolean isActivityTimeValid = shopStoreActivityBaseService.isActivityTimeValid(
                 shopStoreActivityBase.getActivity_starttime(),
@@ -658,28 +685,28 @@ public class ShopActivityCutpriceServiceImpl extends BaseServiceImpl<ShopActivit
                 new Date()
         );
         if (!isActivityTimeValid) {
-            return Pair.of(false, I18nUtil._("该活动已过期，下次早点来！"));
+            return Pair.of(false, I18nUtil._("该活动已过期，下次再参与！"));
         }
 
         // 检查活动商品库存
         Integer productCount = shopStoreActivityBase.getProduct_count();
         if (CheckUtil.isEmpty(productCount) || productCount <= 0) {
-            return Pair.of(false, I18nUtil._("活动商品库存不足，请稍后再来。"));
+            return Pair.of(false, I18nUtil._("活动商品库存未设置，请联系店长！"));
         }
 
         // 查询已占用库存的砍价订单数量
-        QueryWrapper<ShopActivityCutprice> queryWrapper = new QueryWrapper<>();
-        queryWrapper.eq("activity_id", shopStoreActivityBase.getActivity_id())
-                .in("state", Arrays.asList(
-                        CommonConstant.CutPrice_Order_State_Finished,
-                        CommonConstant.CutPrice_Order_State_CutFinished,
-                        CommonConstant.CutPrice_Order_State_ING
-                ));
-        long recordCount = count(queryWrapper);
+//        QueryWrapper<ShopActivityCutprice> queryWrapper = new QueryWrapper<>();
+//        queryWrapper.eq("activity_id", shopStoreActivityBase.getActivity_id())
+//                .isNotNull("order_id").likeRight("order_id", "DD_")
+//                .eq("state", CommonConstant.CutPrice_Order_State_Finished);
+//        long recordCount = count(queryWrapper);
+
+        // 实时查询活动的订单数量
+        long recordCount = shopOrderInfoService.fetchActivityOrderSuccessCount(Convert.toStr(shopStoreActivityBase.getActivity_id()), Convert.toStr(StateCode.ACTIVITY_TYPE_CUTPRICE));
 
         // 判断库存是否充足（当已占用库存大于等于总库存时，表示库存不足）
         if (recordCount >= productCount) {
-            return Pair.of(false, I18nUtil._("活动商品库存不足，请稍后再来。"));
+            return Pair.of(false, I18nUtil._("活动商品库存不足，请稍后再参与！"));
         }
 
         // 所有检查通过
diff --git a/mall-shop/src/main/java/com/suisung/mall/shop/order/service/ShopOrderInfoService.java b/mall-shop/src/main/java/com/suisung/mall/shop/order/service/ShopOrderInfoService.java
index b0027f30..968209fd 100644
--- a/mall-shop/src/main/java/com/suisung/mall/shop/order/service/ShopOrderInfoService.java
+++ b/mall-shop/src/main/java/com/suisung/mall/shop/order/service/ShopOrderInfoService.java
@@ -143,4 +143,13 @@ public interface ShopOrderInfoService extends IBaseService<ShopOrderInfo> {
      * @return
      */
     List<BookingArgDTO> genBookingOrderArgList(String storeId);
+
+    /**
+     * 获取某个活动订单成功数量
+     *
+     * @param activityId     活动ID
+     * @param activityTypeId 活动类型ID， 可选参数
+     * @return
+     */
+    long fetchActivityOrderSuccessCount(String activityId, String activityTypeId);
 }
diff --git a/mall-shop/src/main/java/com/suisung/mall/shop/order/service/impl/ShopOrderInfoServiceImpl.java b/mall-shop/src/main/java/com/suisung/mall/shop/order/service/impl/ShopOrderInfoServiceImpl.java
index 46dc2bb2..b0b770f7 100644
--- a/mall-shop/src/main/java/com/suisung/mall/shop/order/service/impl/ShopOrderInfoServiceImpl.java
+++ b/mall-shop/src/main/java/com/suisung/mall/shop/order/service/impl/ShopOrderInfoServiceImpl.java
@@ -7,6 +7,7 @@ import cn.hutool.core.util.NumberUtil;
 import cn.hutool.core.util.ObjectUtil;
 import cn.hutool.core.util.StrUtil;
 import cn.hutool.json.JSONObject;
+import com.baomidou.mybatisplus.core.conditions.query.LambdaQueryWrapper;
 import com.baomidou.mybatisplus.core.conditions.query.QueryWrapper;
 import com.baomidou.mybatisplus.core.conditions.update.UpdateWrapper;
 import com.suisung.mall.common.api.CommonResult;
@@ -1231,6 +1232,49 @@ public class ShopOrderInfoServiceImpl extends BaseServiceImpl<ShopOrderInfoMappe
         return bookingArgList;
     }
 
+    /**
+     * 获取某个活动订单成功数量
+     *
+     * @param activityId     活动ID
+     * @param activityTypeId 活动类型ID， 可选参数
+     * @return 活动订单成功数量
+     */
+    @Override
+    public long fetchActivityOrderSuccessCount(String activityId, String activityTypeId) {
+        // 参数校验
+        if (StrUtil.isBlank(activityId)) {
+            logger.warn("活动Id无效！");
+            return 0L;
+        }
+
+        LambdaQueryWrapper<ShopOrderInfo> queryWrapper = new LambdaQueryWrapper<>();
+        queryWrapper.eq(ShopOrderInfo::getActivity_id, activityId);
+
+        // 如果activityTypeId不为空，则添加条件
+        if (StrUtil.isNotBlank(activityTypeId)) {
+            queryWrapper.eq(ShopOrderInfo::getActivity_type_id, activityTypeId);
+        }
+
+        // 添加订单状态条件
+        List<Integer> successOrderStates = Arrays.asList(
+                StateCode.ORDER_STATE_WAIT_PAID,
+                StateCode.ORDER_STATE_PICKING,
+                StateCode.ORDER_STATE_WAIT_SHIPPING,
+                StateCode.ORDER_STATE_SHIPPED,
+                StateCode.ORDER_STATE_RECEIVED,
+                StateCode.ORDER_STATE_FINISH);
+
+        queryWrapper.in(ShopOrderInfo::getOrder_state_id, successOrderStates);
+
+        try {
+            return count(queryWrapper);
+        } catch (Exception e) {
+            logger.error("获取活动订单出错, activityId: {}, activityTypeId: {}",
+                    activityId, activityTypeId, e);
+            return 0L;
+        }
+    }
+
 
     /**
      * 根据一个或多个店铺id获取有效店铺的有效营业时间段
diff --git a/mall-shop/src/main/java/com/suisung/mall/shop/store/service/ShopStoreActivityBaseService.java b/mall-shop/src/main/java/com/suisung/mall/shop/store/service/ShopStoreActivityBaseService.java
index c457c7fe..a4e13842 100644
--- a/mall-shop/src/main/java/com/suisung/mall/shop/store/service/ShopStoreActivityBaseService.java
+++ b/mall-shop/src/main/java/com/suisung/mall/shop/store/service/ShopStoreActivityBaseService.java
@@ -199,4 +199,14 @@ public interface ShopStoreActivityBaseService extends IBaseService<ShopStoreActi
     Boolean isCutPriceActivity(Integer activity_id);
 
 
+    /**
+     * 修改活动状态
+     *
+     * @param activity_id
+     * @param activity_state
+     * @return
+     */
+    boolean updateActivityState(Integer activity_id, Integer activity_state);
+
+
 }
diff --git a/mall-shop/src/main/java/com/suisung/mall/shop/store/service/impl/ShopStoreActivityBaseServiceImpl.java b/mall-shop/src/main/java/com/suisung/mall/shop/store/service/impl/ShopStoreActivityBaseServiceImpl.java
index ec33a6b9..e8964400 100644
--- a/mall-shop/src/main/java/com/suisung/mall/shop/store/service/impl/ShopStoreActivityBaseServiceImpl.java
+++ b/mall-shop/src/main/java/com/suisung/mall/shop/store/service/impl/ShopStoreActivityBaseServiceImpl.java
@@ -4433,6 +4433,46 @@ public class ShopStoreActivityBaseServiceImpl extends BaseServiceImpl<ShopStoreA
         }
     }
 
+    /**
+     * 修改活动状态
+     *
+     * @param activity_id    活动ID
+     * @param activity_state 活动状态
+     * @return boolean 是否更新成功
+     */
+    @Override
+    public boolean updateActivityState(Integer activity_id, Integer activity_state) {
+        // 参数校验
+        if (activity_id == null || activity_id <= 0) {
+            logger.warn("活动ID无效: {}", activity_id);
+            return false;
+        }
+
+        if (activity_state == null) {
+            logger.warn("活动状态不能为空: activity_id={}", activity_id);
+            return false;
+        }
+
+        try {
+            // 直接使用LambdaUpdateWrapper提高性能，避免创建额外实体对象
+            boolean result = lambdaUpdate()
+                    .eq(ShopStoreActivityBase::getActivity_id, activity_id)
+                    .set(ShopStoreActivityBase::getActivity_state, activity_state)
+                    .update();
+
+            if (result) {
+                logger.info("活动状态更新成功，活动ID: {}，新状态: {}", activity_id, activity_state);
+            } else {
+                logger.warn("活动状态更新失败，活动ID: {}，状态: {}", activity_id, activity_state);
+            }
+
+            return result;
+        } catch (Exception e) {
+            logger.error("活动状态更新异常，活动ID: {}，状态: {}", activity_id, activity_state, e);
+            return false;
+        }
+    }
+
 
     @Transactional
     public boolean removeActivityBase(Integer activity_id, ShopStoreActivityBase activity_row) {