diff --git a/doc/Shop.py b/doc/Shop.py
index b94d0b26..1e7140a0 100644
--- a/doc/Shop.py
+++ b/doc/Shop.py
@@ -217,6 +217,7 @@ class Shop(object):
                 ],
                 'response': [
                     _common.RspHead(),
+                    ['block_chain', [], '链上购买订单信息']
                 ]
             }
         ]