diff --git a/sf_manufacturing/models/sf_technology_design.py b/sf_manufacturing/models/sf_technology_design.py
index 6aa49f5a..da9c88ee 100644
--- a/sf_manufacturing/models/sf_technology_design.py
+++ b/sf_manufacturing/models/sf_technology_design.py
@@ -20,7 +20,7 @@ class sf_technology_design(models.Model):
         workorders_values_str = [0, '', {
             'route_id': route.id,
             'panel': k,
-            'process_parameters_id': False if route.routing_type.id != '表面工艺' else self.env[
+            'process_parameters_id': False if route.routing_type != '表面工艺' else self.env[
                 'sf.production.process.parameter'].search(
                 [('process_id', '=', route.surface_technics_id.id)]).id,
             'sequence': i,