修复销售单号和追溯参考为空问题

sf_manufacturing/models/stock.py

@@ -605,10 +605,10 @@ class StockPicking(models.Model):
                             sale_info = self.env['sale.order'].sudo().search(
                                 [('name', '=', sale_name)])
                     else:
-                        production_list = self.env['mrp.production'].sudo().search(
+                        sale_order_line = self.env['sale.order.line'].sudo().search(
                             [('product_id', '=', product_id.id)])
-                        if production_list:
-                            sale_info = production_list[0].sale_order_id
+                        if sale_order_line:
+                            sale_info = sale_order_line[0].order_id
                     if sale_info:
                         item.sale_order_id = sale_info.id
                         item.retrospect_ref = sale_info.order_code