diff --git a/server/web3dbspider/metadata/Events.js b/server/web3dbspider/metadata/Events.js
new file mode 100644
index 0000000..704c50f
--- /dev/null
+++ b/server/web3dbspider/metadata/Events.js
@@ -0,0 +1,8 @@
+const utils = require('j7/utils');
+const basewrap = require('./basewrap');
+
+class Events extends basewrap.BaseWrap {
+
+}
+
+module.exports = Events;
diff --git a/server/web3dbspider/metadata/factory.js b/server/web3dbspider/metadata/factory.js
index a0684d3..fb7322f 100644
--- a/server/web3dbspider/metadata/factory.js
+++ b/server/web3dbspider/metadata/factory.js
@@ -103,6 +103,10 @@ async function init() {
                     '',
                     'Web3DbSpider'
                    );
+  registerMetaClass(configDir + 'events.json',
+                    'net_id',
+                    'Events'
+                   );
   load();
   {
     traverseMetaList('BcEventDb', (dbConf, idx) => {
@@ -122,6 +126,7 @@ async function init() {
             'netId': netId,
             'Web3': utils.readJsonFromFile(netDir + 'web3.json'),
             'Contract': utils.readJsonFromFile(netDir + 'contract.json'),
+            'Events': getMetaByKey('Events', netId)['events']
           };
           netObj.getContractAddressByName = (name) => {
             let address = '';
diff --git a/server/web3dbspider/services/pull_dbevent.js b/server/web3dbspider/services/pull_dbevent.js
index 37d5625..7d5a8f2 100644
--- a/server/web3dbspider/services/pull_dbevent.js
+++ b/server/web3dbspider/services/pull_dbevent.js
@@ -5,6 +5,7 @@ const log = require('j7/log');
 const BaseService = require('./baseservice');
 
 const LIMIT_COUNT = 100;
+const BCEVENT_TABLE_NAME = 't_blockchain_event';
 
 class PullDbEvent extends BaseService {
 
@@ -13,15 +14,15 @@ class PullDbEvent extends BaseService {
   static async staticInit() {
     const {err, conn} = await app.getDbConn('BcEventDb0');
     {
-      const {err, maxIdx} = await conn.getMaxIdx('');
+      const {err, maxIdx} = await conn.getMaxIdx(BCEVENT_TABLE_NAME);
       if (err) {
         throw 'PullDbEvent error:' + err;
       }
       PullDbEvent.#maxIdx = maxIdx;
     }
-    async () => {
+    const updateMaxIdxFunc = async () => {
       while (true) {
-        const {err, maxIdx} = await conn.getMaxIdx('');
+        const {err, maxIdx} = await conn.getMaxIdx('BCEVENT_TABLE_NAME');
         if (!err) {
           PullDbEvent.#maxIdx = maxIdx;
           await utils.sleep(500 + utils.randRange(500, 1500));
@@ -29,7 +30,8 @@ class PullDbEvent extends BaseService {
           await utils.sleep(5000 + utils.randRange(500, 1500));
         }
       }
-    }();
+    };
+    updateMaxIdxFunc();
   }
 
   async init(net, event) {