diff --git a/server/web3sign/controllers/activate721nft.js b/server/web3sign/controllers/activate721nft.js
index 47f52f5..e85ce75 100644
--- a/server/web3sign/controllers/activate721nft.js
+++ b/server/web3sign/controllers/activate721nft.js
@@ -6,18 +6,6 @@ const metaFactory = require('../metadata/factory');
 const serviceFactory = require('../services/factory');
 
 async function activate721Nft(session) {
-    const bc = serviceFactory.create('BlockChain');
-    {
-      const ret = await bc.init(13473);
-      if (!ret) {
-        session.rspErr(500, 'net_id error');
-        return;
-      }
-    }
-  const lockContractInstance = bc.getInstanceByName('NFTLock');
-  console.log(lockContractInstance);
-  session.rspData({});
-  return;
   try {
     const account = bcutils.toNormalAddress(session.request('account'));
     const netId = session.request('net_id');
@@ -42,8 +30,8 @@ async function activate721Nft(session) {
 
     const nftAddress = bc.getNftAddress(tokenType);
     const userAddress = bc.getUserAddress();
-
-    const lockContractInstance = bc.getContractAddress('NFTLock');
+    const thisContractAddress = bc.getContractAddressByName('NFTLock');
+    const instance = bc.getInstanceByName('NFTLock');
 
     const transModel = session.createModel('Transaction');
     const usedTokenIdModel = session.createModel('UsedTokenId');
@@ -94,7 +82,6 @@ async function activate721Nft(session) {
       [
         ['trans_id', transId]
       ]);
-    const thisContractAddress = '';
     const nonce = transId;
     const tokenIds = [tokenId, 1];
     utils.arrayToStrings(tokenIds);