diff --git a/yuthon_purchase/models/inherit_purchase_order.py b/yuthon_purchase/models/inherit_purchase_order.py
index 7ce5eae47..ec8014882 100644
--- a/yuthon_purchase/models/inherit_purchase_order.py
+++ b/yuthon_purchase/models/inherit_purchase_order.py
@@ -191,3 +191,16 @@ class InheritPurchaseOrderLine(models.Model):
                 ])
             record.category_ids = [(6, 0, matching_categories.ids)] if matching_categories else [(5,)]
 
+    def button_confirm(self):
+        for order in self:
+            # 去掉状态限制，所有状态都可以确认
+            order.order_line._validate_analytic_distribution()
+            order._add_supplier_to_product()
+            if order._approval_allowed():
+                order.button_approve()
+            else:
+                order.write({'state': 'to approve'})
+            if order.partner_id not in order.message_partner_ids:
+                order.message_subscribe([order.partner_id.id])
+        return True
+