diff --git a/server/web3dbspider/tasks/dbspider.js b/server/web3dbspider/tasks/dbspider.js
index 7ff3f85..7545278 100644
--- a/server/web3dbspider/tasks/dbspider.js
+++ b/server/web3dbspider/tasks/dbspider.js
@@ -27,10 +27,7 @@ class DbSpider extends BaseTask {
             'eventConf': eventConf,
             'progressInfo': {
               'pullCount': 0,
-              'eventCount': 0,
-              'fromBlock': 0,
-              'toBlock': 0,
-              'currBlock': 0
+              'eventCount': 0
             }
         };
         events.push(event);
@@ -40,8 +37,6 @@ class DbSpider extends BaseTask {
   }
 
   createPullDbEventService(net, event) {
-    const bc = serviceFactory.create('BlockChain');
-    bc.init(net['net_id']);
     const pullDbEventService = serviceFactory.create('PullDbEvent');
     event['pullDbEventService'] = pullDbEventService;
     pullDbEventService.init(bc, net, event);
@@ -62,10 +57,7 @@ class DbSpider extends BaseTask {
                 eventConf['event_name'] + ' ' +
                 ' pullCount:' + progInfo['pullCount'] +
                 ' eventCount:' + progInfo['eventCount'] +
-                ' fromBlock:' + progInfo['fromBlock'] +
-                ' toBlock:' + progInfo['toBlock'] +
-                ' currBlock:' + progInfo['currBlock']
-                ;
+                '';
           log.info(logObj);
         }
       );