diff --git a/server/web3bcspider/services/pull_bcevent.js b/server/web3bcspider/services/pull_bcevent.js
index 1561d31..ba1b581 100644
--- a/server/web3bcspider/services/pull_bcevent.js
+++ b/server/web3bcspider/services/pull_bcevent.js
@@ -6,12 +6,14 @@ const BaseService = require('./baseservice');
 
 class PullBcEvent extends BaseService {
 
-  async init(bc, conn, instance, cb) {
+  async init(bc, net, event) {
     this.conn = conn;
     this.instance = instance;
     this.cb = cb;
     this.lastBlockNumber = 0;
     this.bc = bc;
+    this.net = net;
+    this.event = event;
     await this.start();
   }
 
@@ -60,7 +62,9 @@ class PullBcEvent extends BaseService {
   }
 
   getInstanceName() {
-    return this.instance['name'];
+    const eventConf = this.event['eventConf'];
+    const instName = this.net['net_id'] + '.' + eventConf['contract_name'] + eventConf['event_name'] ;
+    return instName;
   }
 
   async processEvents(events, toBlock) {