diff --git a/server/web3service/metadata/factory.js b/server/web3service/metadata/factory.js
index 4169add..6ca0133 100644
--- a/server/web3service/metadata/factory.js
+++ b/server/web3service/metadata/factory.js
@@ -93,6 +93,10 @@ async function init() {
                     '',
                     'MarketDb'
                    );
+  registerMetaClass(configDir + 'web3service.cluster.json',
+                    '',
+                    'Web3Service'
+                   );
 
   registerMetaClass(resDir + 'item@item.json',
                     'id',
@@ -151,6 +155,15 @@ function getWeb3Conf(netId) {
 
 }
 
+function getNetList() {
+  const netList = [];
+  const keys = Object.keys(web3ConfHash);
+  for (let i = 0; i < keys.length; ++i) {
+    netList.push(keys[i]);
+  }
+  return netList;
+}
+
 function getNetDir(netId) {
   const netDir = configDir + 'nets/' + netId + '/';
   return netDir;
@@ -163,3 +176,4 @@ exports.traverseMetaList = traverseMetaList;
 exports.callMetaStatic = callMetaStatic;
 
 exports.getWeb3Conf = getWeb3Conf;
+exports.getNetList = getNetList;
diff --git a/server/web3service/services/blockchain.js b/server/web3service/services/blockchain.js
index b243236..9bf4862 100644
--- a/server/web3service/services/blockchain.js
+++ b/server/web3service/services/blockchain.js
@@ -1,6 +1,7 @@
 const utils = require('j7/utils');
 const BaseService = require('./baseservice');
 const metaFactory = require('../metadata/factory');
+const bcClass = require('../blockchain');
 
 const netIdHash = {};
 
@@ -13,7 +14,7 @@ class BlockChain extends BaseService {
   #bc = null;
 
   static async staticInit() {
-    console.log('static init');
+    console.log(metaFactory.getNetList());
   }
 
   async init(netId) {