From d1f85163da14b8158cd9b7593ad69d6438485f5b Mon Sep 17 00:00:00 2001
From: lijian <616766585@qq.com>
Date: Sun, 4 Jan 2026 16:59:22 +0800
Subject: [PATCH] fix(mall): 修复商品SPU库存计算溢出问题

---
 yudao-module-mall/yudao-module-product/src/main/java/cn/iocoder/yudao/module/product/service/spu/ProductSpuServiceImpl.java | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/yudao-module-mall/yudao-module-product/src/main/java/cn/iocoder/yudao/module/product/service/spu/ProductSpuServiceImpl.java b/yudao-module-mall/yudao-module-product/src/main/java/cn/iocoder/yudao/module/product/service/spu/ProductSpuServiceImpl.java
index 6e6ed2b..b7b9057 100755
--- a/yudao-module-mall/yudao-module-product/src/main/java/cn/iocoder/yudao/module/product/service/spu/ProductSpuServiceImpl.java
+++ b/yudao-module-mall/yudao-module-product/src/main/java/cn/iocoder/yudao/module/product/service/spu/ProductSpuServiceImpl.java
@@ -109,7 +109,7 @@ public class ProductSpuServiceImpl implements ProductSpuService {
         // sku 单价最低的商品的成本价格
         spu.setCostPrice(getMinValue(skus, ProductSkuSaveReqVO::getCostPrice));
         // skus 库存总数
-        spu.setStock(getSumValue(skus, ProductSkuSaveReqVO::getStock, Integer::sum));
+        spu.setStock(getSumValue(skus, ProductSkuSaveReqVO::getStock, Math::addExact));
         // 若是 spu 已有状态则不处理
         if (spu.getStatus() == null) {
             spu.setStatus(ProductSpuStatusEnum.ENABLE.getStatus()); // 默认状态为上架
--
libgit2 0.21.4