diff --git a/server/web3bcspider/metadata/factory.js b/server/web3bcspider/metadata/factory.js
index e6e8c69..584b1d3 100644
--- a/server/web3bcspider/metadata/factory.js
+++ b/server/web3bcspider/metadata/factory.js
@@ -113,12 +113,12 @@ async function init() {
     traverseMetaList('Web3BcSpider', (item, idx) => {
       if (item['instance_id'] == app.getInstanceId()) {
         web3BcSpiderConf = item;
-        item['nets'].forEach((netId) => {
+        item['nets'].forEach((net) => {
+          const netId = net['net_id'];
           const netDir = configDir + 'nets/' + netId + '/';
           web3ConfHash[netId] = {
             'Web3': utils.readJsonFromFile(netDir + 'web3.json'),
             'Contract': utils.readJsonFromFile(netDir + 'contract.json'),
-            'Events': utils.readJsonFromFile(netDir + 'events.json')
           };
         });
       }