diff --git a/server/web3spider/services/event_process.js b/server/web3spider/services/event_process.js
index f23d46e..3f25ec6 100644
--- a/server/web3spider/services/event_process.js
+++ b/server/web3spider/services/event_process.js
@@ -2,7 +2,6 @@ const app = require('j7/app');
 const utils = require('j7/utils');
 const bcutils = require('j7/bcutils');
 const log = require('j7/log');
-const bc = require('../blockchain');
 const BaseService = require('./baseservice');
 
 class EventProcess extends BaseService {