1

app/admin/model/store/StoreProductAttr.php

@@ -168,7 +168,8 @@ class StoreProductAttr extends BaseModel
             $info = $v;
             $info['type'] = $type_to;
             $info['product_id'] = $product_id_to;
-            $valueGroup[] = $info;
+            $info['unique'] = StoreProductAttrValue::where(['product_id' => $product_id_to, 'suk' => $v['suk'], 'type' => $type_to])->value('unique') ?: '';
+            $valueGroup[$v['suk']] = $info;
         }
         foreach ($attrGroupOrigin as $v) {
             $attrGroup[] = [