diff --git a/server/web3bcspider/tasks/bcspider.js b/server/web3bcspider/tasks/bcspider.js
index 783d90b..a2772c3 100644
--- a/server/web3bcspider/tasks/bcspider.js
+++ b/server/web3bcspider/tasks/bcspider.js
@@ -20,13 +20,28 @@ class BcSpider extends BaseTask {
   }
 
   async initNet(net) {
-    const initInstance = (instance) => {
-        instance['pullCount'] = 0;
-        instance['eventCount'] = 0;
-        instance['fromBlock'] = 0;
-        instance['toBlock'] = 0;
-        instance['currBlock'] = 0;
-    };
+    const events = [];
+    net['Events'].forEach
+    (
+      (eventConf) => {
+        const event = {
+            'conf': eventConf,
+            'info': {
+              'pullCount': 0,
+              'eventCount': 0,
+              'fromBlock': 0,
+              'toBlock': 0,
+              'currBlock': 0
+            }
+        };
+        events.push(event);
+      });
+  }
+
+  createPullEventService() {
+    const bc = serviceFactory.create('BlockChain');
+    const pullEventService = service.create();
+    return pullEventService;
   }
 
 }