diff --git a/server/web3dbspider/tasks/dbspider.js b/server/web3dbspider/tasks/dbspider.js
index 08e3980..7ff3f85 100644
--- a/server/web3dbspider/tasks/dbspider.js
+++ b/server/web3dbspider/tasks/dbspider.js
@@ -10,6 +10,67 @@ const metaFactory = require('../metadata/factory');
 class DbSpider extends BaseTask {
 
   async init() {
+    const netList = metaFactory.getNetList();
+    netList.forEach
+    (
+      (net) => {
+       this.initNet(net);
+     });
+  }
+
+  async initNet(net) {
+    const events = [];
+    net['Events'].forEach
+    (
+      (eventConf) => {
+        const event = {
+            'eventConf': eventConf,
+            'progressInfo': {
+              'pullCount': 0,
+              'eventCount': 0,
+              'fromBlock': 0,
+              'toBlock': 0,
+              'currBlock': 0
+            }
+        };
+        events.push(event);
+        this.createPullDbEventService(net, event);
+      });
+    this.outputProgressInfo(net, events);
+  }
+
+  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);
+    return pullDbEventService;
+  }
+
+  async outputProgressInfo(net, events) {
+    let count = 0;
+    while (true) {
+      log.info('----------------------------------------------------------');
+      events.forEach
+      (
+        (event) => {
+          const eventConf = event['eventConf'];
+          const progInfo = event['progressInfo'];
+          const logObj = 'net_id: ' + net['net_id'] + ' ' +
+                eventConf['contract_name'] + '.' +
+                eventConf['event_name'] + ' ' +
+                ' pullCount:' + progInfo['pullCount'] +
+                ' eventCount:' + progInfo['eventCount'] +
+                ' fromBlock:' + progInfo['fromBlock'] +
+                ' toBlock:' + progInfo['toBlock'] +
+                ' currBlock:' + progInfo['currBlock']
+                ;
+          log.info(logObj);
+        }
+      );
+      await utils.sleep(1000 * 10);
+    }
   }
 
 }