diff --git a/sf_manufacturing/models/stock.py b/sf_manufacturing/models/stock.py
index 3ecb80be..8b80e1e7 100644
--- a/sf_manufacturing/models/stock.py
+++ b/sf_manufacturing/models/stock.py
@@ -281,6 +281,11 @@ class StockRule(models.Model):
                     workorder_duration += workorder.duration_expected
 
                 sale_order = self.env['sale.order'].sudo().search([('name', '=', production.origin)])
+                # 如果订单为空，则获取来源制造订单的销售单
+                if not sale_order:
+                    mrp_production = self.env['mrp.production'].sudo().search([('name', '=', production.origin)], limit=1)
+                    if mrp_production:
+                        sale_order = self.env['sale.order'].sudo().search([('name', '=', mrp_production.origin)])
                 if sale_order:
                     # sale_order.write({'schedule_status': 'to schedule'})
                     self.env['sf.production.plan'].sudo().with_company(company_id).create({