diff --git a/doc/_common.py b/doc/_common.py
index 6e2e3bae..015ad1be 100644
--- a/doc/_common.py
+++ b/doc/_common.py
@@ -166,8 +166,8 @@ class UserBattleInfo(object):
 
     def __init__(self):
         self.fields = [
-            ['user_info', [UserInfo()], '用户信息'],
-            ['hero_info', [Hero()], '上阵英雄信息'],
+            ['user_info', UserInfo(), '用户信息'],
+            ['hero_info', Hero(), '上阵英雄信息'],
         ]
 
 class HonorInfo(object):