diff --git a/doc/BlockChain.py b/doc/BlockChain.py
index 51d59db6..5ad2875d 100644
--- a/doc/BlockChain.py
+++ b/doc/BlockChain.py
@@ -64,13 +64,13 @@ class BlockChain(object):
                 'group': 'BlockChain',
                 'url': 'webapp/index.php?c=BlockChain&a=active721Nft',
                 'params': [
-                    ['type', 0, '1：英雄 2：枪械 3：芯片'],
+                    ['type', 0, '1：英雄 2：金砖'],
                     ['uniid', '', '唯一id'],
                 ],
                 'response': [
                     _common.RspHead(),
                     ['trans_id', '', '事务id'],
-                    ['!params', [''], '合约参数列表'],
+                    ['trans_req', _common.MFTransactionRequest(), '调用合约参数'],
                 ]
             },
             {
diff --git a/doc/_common.py b/doc/_common.py
index 65b7d9a2..00bd81f0 100644
--- a/doc/_common.py
+++ b/doc/_common.py
@@ -1661,3 +1661,11 @@ class MFGameMail(object):
             ['expiretime', 0, '过期时间'],
             ['!attachments', [MFAttachment()], ''],
         ]
+
+class MFTransactionRequest(object):
+
+    def __init__(self):
+        self.fields = [
+            ['to', '', '调用的目标合约地址'],
+            ['data', '', '包含报文相关的字节字符串'],
+        ]
diff --git a/webapp/controller/BlockChainController.class.php b/webapp/controller/BlockChainController.class.php
index 57aceb18..132f3b2f 100644
--- a/webapp/controller/BlockChainController.class.php
+++ b/webapp/controller/BlockChainController.class.php
@@ -187,41 +187,6 @@ class BlockChainController extends BaseAuthedController {
             $this->internalActivate721Nft($tokenId, Nft::EQUIP_TYPE, $gunDb['gun_uniid'], $gunDb['gun_id']);
         }
         break;
-        case 3:
-        {
-            if (true) {
-                myself()->_rspErr(1, 'cant mint');
-                return;
-            }
-            $chipDb = Chip::find($uniid);
-            if (!$chipDb) {
-                myself()->_rspErr(1, 'chip not found');
-                return;
-            }
-            if ($chipDb['token_id']) {
-                myself()->_rspErr(1, 'already activated');
-                return;
-            }
-            $tokenId = $chipDb['active_token_id'];
-            if (!$tokenId) {
-                $tokenId = BuyRecord::genOrderId
-                         (
-                             2006,
-                             phpcommon\BC_FUNC_CREATION,
-                             myself()->_getNowTime(),
-                             myself()->_getAddress()
-                         );
-                Chip::Update($chipDb['chip_uniid'],
-                             array(
-                                 'active_token_id' => $tokenId,
-                                 'active_count' => function () {
-                                     return 'active_count + 1';
-                                 }
-                             ));
-            }
-            $this->internalActivate721Nft($tokenId, Nft::CHIP_TYPE, $chipDb['chip_uniid'], $chipDb['item_id']);
-        }
-        break;
         default:
         {
             myself()->_rspErr(1, 'type param error');