diff --git a/backend/db_manager.py b/backend/db_manager.py
index 7af13e2..3871d55 100644
--- a/backend/db_manager.py
+++ b/backend/db_manager.py
@@ -86,13 +86,13 @@ class AttributeHistory:
     """属性变更历史"""
     id: str
     entity_id: str
-    template_id: str
-    template_name: str = ""
+    attribute_name: str = ""  # 属性名称
     old_value: str = ""
     new_value: str = ""
     changed_by: str = ""
     changed_at: str = ""
     change_reason: str = ""
+    change_reason: str = ""
 
 @dataclass
 class EntityMention: