diff --git a/server/web3bcspider/blockchain.js b/server/web3bcspider/blockchain.js
index 4dca630..fa0ffb4 100644
--- a/server/web3bcspider/blockchain.js
+++ b/server/web3bcspider/blockchain.js
@@ -33,6 +33,7 @@ class BlockChain {
 
   async init() {
     this.web3Conf = metaFactory.getWeb3Conf(this.netId);
+    console.log(this.web3Conf);
     this.contractsConf = metaFactory.getContractsConf(this.netId);
     this.netDir = metaFactory.getNetDir(this.netId);
 
diff --git a/server/web3bcspider/metadata/factory.js b/server/web3bcspider/metadata/factory.js
index 76c9494..ef9fcd8 100644
--- a/server/web3bcspider/metadata/factory.js
+++ b/server/web3bcspider/metadata/factory.js
@@ -157,28 +157,29 @@ function traverseMetaList(name, cb) {
   }
 }
 
-function getWeb3Conf(netId) {
+function getConf(netId) {
   const keys = Object.keys(web3ConfHash);
   for (let i = 0; i < keys.length; ++i) {
-    if (keys[i] == netId) {
-      return web3ConfHash[keys[i]]['Web3'];
+    const conf = web3ConfHash[keys[i]];
+    if (conf['net_id'] == netId) {
+      return conf;
     }
   }
   return null;
 }
 
+function getWeb3Conf(netId) {
+  const conf = getConf(netId);
+  return conf ? conf['Web3'] : null;
+}
+
 function getWeb3BcSpiderConf() {
   return web3BcSpiderConf;
 }
 
 function getContractsConf(netId) {
-  const keys = Object.keys(web3ConfHash);
-  for (let i = 0; i < keys.length; ++i) {
-    if (keys[i] == netId) {
-      return web3ConfHash[keys[i]]['Contract'];
-    }
-  }
-  return null;
+  const conf = getConf(netId);
+  return conf ? conf['Contract'] : null;
 }
 
 function getNetList() {