diff --git a/doc/_common.py b/doc/_common.py
index bc728e9e..b29a1798 100644
--- a/doc/_common.py
+++ b/doc/_common.py
@@ -2008,6 +2008,9 @@ class WheelChip(object):
 
     def __init__(self):
         self.fields = [
+            ['item_id', 0, '道具id'],
+            ['left_time', 0, '生意时间'],
+            ['left_time', 0, '生意时间'],
         ]
 
 class WheelItem(object):