diff --git a/app/admin/logic/warehouse_product/WarehouseProductLogic.php b/app/admin/logic/warehouse_product/WarehouseProductLogic.php
index 2d4100950..55b13ead9 100644
--- a/app/admin/logic/warehouse_product/WarehouseProductLogic.php
+++ b/app/admin/logic/warehouse_product/WarehouseProductLogic.php
@@ -48,10 +48,10 @@ class WarehouseProductLogic extends BaseLogic
                         if (!$storeProduct) {
                             throw new BusinessException('商品不存在');
                         }
-                        if($storeProduct['purchase']<=0){
-                            throw new BusinessException('采购价必须大于0,'.$params['product_id']);
-                        }
                         $total_price = bcmul($after_nums, $storeProduct['purchase'], 2);
+                        if($storeProduct['purchase']<=0){
+                            $total_price=0;
+                        }
                         WarehouseProductStorege::update(['nums' => $after_nums, 'total_price' => $total_price], ['id' => $storege['id']]);
                     }
                     $before_nums = $storege['nums'];