diff --git a/sf_manufacturing/models/purchase_order.py b/sf_manufacturing/models/purchase_order.py
index 3cc0d877..5ee7d8f2 100644
--- a/sf_manufacturing/models/purchase_order.py
+++ b/sf_manufacturing/models/purchase_order.py
@@ -60,13 +60,14 @@ class PurchaseOrder(models.Model):
             purchase.production_count = len(production_id)
 
     def write(self, vals):
+        res = super(PurchaseOrder, self).write(vals)
         for record in self:
             for line in record.order_line:
                 if line.product_qty <= 0:
                     raise UserError('请对【产品】中的【数量】进行输入')
                 if line.price_unit <= 0:
                     raise UserError('请对【产品】中的【单价】进行输入')
-        return super(PurchaseOrder, self).write(vals)
+        return res
     
 
     origin_sale_id = fields.Many2one('sale.order', string='销售订单号', store=True, compute='_compute_origin_sale_id')