diff --git a/doc/BlockChain.py b/doc/BlockChain.py
index 2bc82646..4e875a39 100644
--- a/doc/BlockChain.py
+++ b/doc/BlockChain.py
@@ -39,7 +39,7 @@ class BlockChain(object):
                 'group': 'BlockChain',
                 'url': 'webapp/index.php?c=BlockChain&a=active1155Nft',
                 'params': [
-                    ['trans_id', '', '事务id'],
+                    ['uniid', '', '芯片唯一id'],
                 ],
                 'response': [
                     _common.RspHead(),