diff --git a/yudao-module-mall/yudao-module-product-biz/src/main/java/cn/iocoder/yudao/module/product/service/spu/ProductSpuServiceImpl.java b/yudao-module-mall/yudao-module-product-biz/src/main/java/cn/iocoder/yudao/module/product/service/spu/ProductSpuServiceImpl.java
index 793c983..44d171b 100644
--- a/yudao-module-mall/yudao-module-product-biz/src/main/java/cn/iocoder/yudao/module/product/service/spu/ProductSpuServiceImpl.java
+++ b/yudao-module-mall/yudao-module-product-biz/src/main/java/cn/iocoder/yudao/module/product/service/spu/ProductSpuServiceImpl.java
@@ -211,11 +211,13 @@ public class ProductSpuServiceImpl implements ProductSpuService {
         ProductSpuSaveReqVO spuSaveReqVO = convertDeviceSpuToSpu(updateReqVO, deviceImei);
 
         // 7. 更新 SPU（复用现有逻辑）
-        ProductSpuDO updateObj = BeanUtils.toBean(spuSaveReqVO, ProductSpuDO.class).setStatus(spu.getStatus());
+        ProductSpuDO updateObj = BeanUtils.toBean(spuSaveReqVO, ProductSpuDO.class)
+                .setId(spu.getId()) // 关键：更新场景必须带上原 SPU 主键，避免误新增/误更新
+                .setStatus(spu.getStatus());
         initSpuFromSkus(updateObj, skuSaveReqList);
         productSpuMapper.updateById(updateObj);
         // 批量更新 SKU
-        productSkuService.updateSkuList(updateObj.getId(), skuSaveReqList);
+        productSkuService.updateSkuList(spu.getId(), skuSaveReqList);
     }
 
     @Override