diff --git a/app/common/repositories/store/product/ProductRepository.php b/app/common/repositories/store/product/ProductRepository.php
index 42100f88..6df2b81e 100755
--- a/app/common/repositories/store/product/ProductRepository.php
+++ b/app/common/repositories/store/product/ProductRepository.php
@@ -1286,9 +1286,9 @@ class ProductRepository extends BaseRepository
         $attr = $this->detailAttr($res['attr']);
         $attrValue = (in_array($res['product_type'], [3, 4])) ?  $res['oldAttrValue'] : $res['attrValue'];
         $oldProduct = Product::where('product_id', $res['old_product_id'])->field('product_id,stock')->find();
-        $activityId = CloudProduct::where('product_id', $res['product_id'])->value('activity_id');
+        $storeActivityId = CloudProduct::where('product_id', $res['product_id'])->value('activity_id');
         $sku  = $this->detailAttrValue($attrValue, $userInfo, $productType, $activityId);
-        if ($activityId == 2 && isset($oldProduct['stock'])) {
+        if ($storeActivityId == 2 && isset($oldProduct['stock'])) {
             $res['stock'] = $oldProduct['stock'];
             foreach ($sku as &$skuItem) {
                 $skuItem['stock'] = $oldProduct['stock'];