1、处理库存问题的调整

fs-service/src/main/java/com/fs/live/service/impl/LiveOrderServiceImpl.java

@@ -37,6 +37,7 @@ import com.alipay.api.response.AlipayTradeAppPayResponse;
 import com.baomidou.mybatisplus.core.conditions.Wrapper;
 import com.baomidou.mybatisplus.core.toolkit.Wrappers;
 import com.fs.common.config.FSSysConfig;
+import com.fs.common.constant.LiveKeysConstant;
 import com.fs.common.core.domain.R;
 import com.fs.common.core.redis.RedisCache;
 import com.fs.common.core.redis.service.StockDeductService;
@@ -4668,6 +4669,10 @@ public class LiveOrderServiceImpl implements ILiveOrderService {
         goods.setStock(goods.getStock() - Integer.parseInt(liveOrder.getTotalNum()));
         goods.setSales(goods.getSales() + Integer.parseInt(liveOrder.getTotalNum()));
         liveGoodsMapper.updateLiveGoods(goods);
+        // 清除商品详情缓存，确保 liveGoodsDetail 接口返回最新库存
+        String productDetailCacheKey = String.format(LiveKeysConstant.PRODUCT_DETAIL_CACHE, liveOrder.getProductId());
+        redisCache.deleteObject(productDetailCacheKey);
+        log.info("清除商品详情缓存：{}", productDetailCacheKey);
         LiveGoods liveGoods = new LiveGoods();
         liveGoods.setGoodsId(goods.getGoodsId());
         liveGoods.setStock(goods.getStock() - Integer.parseInt(liveOrder.getTotalNum()));