diff --git a/pricing/pricing.py b/pricing/pricing.py
index 087a272..8c5c19f 100644
--- a/pricing/pricing.py
+++ b/pricing/pricing.py
@@ -332,6 +332,7 @@ where a.id = b.ppid
 		except Exception as e:
 			exception(f'yaml.sage_load({yamlstr}) error: {e}')
 			raise e
+		d = DictObject(**d)
 		if not d.fields:
 			exception(f'{d} has not "fields"')
 			raise Exception(f'定价定义中没有fields数据')