fix(warehouse): 修复仓库产品数量修改逻辑

- 增加对产品数量修改为 0 的特殊处理
- 确保在减少仓库数量时，能够正确增加库存数量

app/admin/logic/warehouse_product/WarehouseProductLogic.php

@@ -210,10 +210,15 @@ class WarehouseProductLogic extends BaseLogic
                 if($params['nums']>$res['nums']){
                     $nums=bcsub($params['nums'], $res['nums'],2);
                     self::incProductDecStorege($res, $nums,$admin_id);
+                }else{
+                    if($params['nums']==0){
+                        $nums=$params['nums'];
+                        self::decProductIncStorege($res, $nums,$admin_id);
                     }else{
                         $nums=bcsub($res['nums'],$params['nums'],2);
                         self::decProductIncStorege($res, $nums,$admin_id);
                     }
+                }
                 $datas = [
                     'total_price' => $params['total_price'],
                 ];