diff --git a/doc/Market.py b/doc/Market.py
index 97e8dcb3..bf9eb6ab 100644
--- a/doc/Market.py
+++ b/doc/Market.py
@@ -467,7 +467,7 @@ class Market(object):
                 'response': [
                     _common.RspHead()
                 ]
-            }
+            },
             {
                 'name': 'buyNft',
                 'desc': '购买NFT',