diff --git a/sf_manufacturing/models/sale_order.py b/sf_manufacturing/models/sale_order.py
index 39066f14..dbd06e6a 100644
--- a/sf_manufacturing/models/sale_order.py
+++ b/sf_manufacturing/models/sale_order.py
@@ -190,3 +190,16 @@ class SaleOrderLine(models.Model):
                 if vals['supply_method'] == 'purchase' and line.is_incoming_material:
                     raise UserError('当前（%s）产品为客供料，不能选择外购' % ','.join(line.mapped('product_id.name')))
         return super(SaleOrderLine, self).write(vals)
+
+    cancel_auto_machining = fields.Boolean('是否取消自动化加工', compute='_compute_cancel_auto_machining', store=True)
+    cancel_auto_machining_reason = fields.Char('非自动化加工原因')
+
+    def _compute_cancel_auto_machining(self):
+        for line in self:
+            line.cancel_auto_machining = True if line.product_id.auto_machining \
+                and line.supply_method != 'automation' else False
+
+    @api.onchange('product_id')
+    def _onchange_product_id_set_supply_method(self):
+        if self.product_id.auto_machining:
+            self.supply_method = 'automation'