diff --git a/database/bcevent.sql b/database/bcevent.sql
new file mode 100644
index 0000000..18806de
--- /dev/null
+++ b/database/bcevent.sql
@@ -0,0 +1,67 @@
+-- MySQL dump 10.14  Distrib 5.5.41-MariaDB, for Linux (x86_64)
+--
+-- Host: localhost    Database: bcevent
+-- ------------------------------------------------------
+-- Server version	5.5.41-MariaDB
+
+--
+-- Table structure for table `version`
+--
+
+DROP TABLE IF EXISTS `version`;
+/*!40101 SET @saved_cs_client     = @@character_set_client */;
+/*!40101 SET character_set_client = utf8 */;
+CREATE TABLE `version` (
+  `idx` int(11) NOT NULL AUTO_INCREMENT COMMENT '自增id',
+  `version` int(11) NOT NULL DEFAULT '0' COMMENT '版本号',
+  PRIMARY KEY (`idx`),
+  UNIQUE KEY `version` (`version`)
+) ENGINE=InnoDB AUTO_INCREMENT=10001 DEFAULT CHARSET=utf8 COLLATE=utf8_bin;
+/*!40101 SET character_set_client = @saved_cs_client */;
+
+--
+-- Table structure for table `t_blockchain_event`
+--
+
+DROP TABLE IF EXISTS `t_blockchain_event`;
+/*!40101 SET @saved_cs_client     = @@character_set_client */;
+/*!40101 SET character_set_client = utf8 */;
+CREATE TABLE `t_blockchain_event` (
+  `idx` bigint NOT NULL AUTO_INCREMENT COMMENT '自增id',
+  `txhash` varchar(255) NOT NULL DEFAULT '' COMMENT 'txhash',
+  `log_index` bigint NOT NULL DEFAULT '0' COMMENT 'log_index',
+  `hash_code` varchar(60) NOT NULL DEFAULT '' COMMENT 'hash_code',
+  `net_id` bigint NOT NULL DEFAULT '0' COMMENT 'net_id',
+  `event_name` varchar(60) NOT NULL DEFAULT '' COMMENT 'event_name',
+  `contract_address` varchar(60) NOT NULL DEFAULT '' COMMENT 'contract_address',
+  `contract_name` varchar(60) NOT NULL DEFAULT '' COMMENT 'contract_name',
+  `block_number` bigint NOT NULL DEFAULT '0' COMMENT 'block_number',
+  `raw_data` mediumblob COMMENT 'raw_data',
+  `return_values` mediumblob COMMENT 'return_values',
+  `createtime` int(11) NOT NULL DEFAULT '0' COMMENT '创建时间',
+  `modifytime` int(11) NOT NULL DEFAULT '0' COMMENT '修改时间',
+  PRIMARY KEY (`idx`),
+  UNIQUE KEY `unikey` (`txhash`, `hash_code`, `log_index`, `net_id`, `event_name`, `contract_address`)
+) ENGINE=InnoDB AUTO_INCREMENT=10001 DEFAULT CHARSET=utf8 COLLATE=utf8_bin;
+/*!40101 SET character_set_client = @saved_cs_client */;
+
+--
+-- Table structure for table `t_last_block`
+--
+
+DROP TABLE IF EXISTS `t_last_block`;
+/*!40101 SET @saved_cs_client     = @@character_set_client */;
+/*!40101 SET character_set_client = utf8 */;
+CREATE TABLE `t_last_block` (
+  `idx` bigint NOT NULL AUTO_INCREMENT COMMENT '自增id',
+  `net_id` bigint NOT NULL DEFAULT '0' COMMENT 'net_id',
+  `contract_address` varchar(60) NOT NULL DEFAULT '' COMMENT 'contract_address',
+  `contract_name` varchar(60) NOT NULL DEFAULT '' COMMENT 'contract_name',
+  `event_name` varchar(60) NOT NULL DEFAULT '' COMMENT 'event_name',
+  `block_number` bigint NOT NULL DEFAULT '0' COMMENT 'block_number',
+  `createtime` int(11) NOT NULL DEFAULT '0' COMMENT '创建时间',
+  `modifytime` int(11) NOT NULL DEFAULT '0' COMMENT '修改时间',
+  PRIMARY KEY (`idx`),
+  UNIQUE KEY `unikey` (`net_id`, `contract_address`, `event_name`)
+) ENGINE=InnoDB AUTO_INCREMENT=10001 DEFAULT CHARSET=utf8 COLLATE=utf8_bin;
+/*!40101 SET character_set_client = @saved_cs_client */;
diff --git a/server/web3bcspider/services/pull_bcevent.js b/server/web3bcspider/services/pull_bcevent.js
index c03c8ac..910e049 100644
--- a/server/web3bcspider/services/pull_bcevent.js
+++ b/server/web3bcspider/services/pull_bcevent.js
@@ -161,10 +161,12 @@ class PullBcEvent extends BaseService {
     while (true) {
       const nowTime = utils.getUtcTime();
       const returnValues = event['returnValues'];
+      const hashCode = '';
       const {err} = await this.conn.upsert(
         't_blockchain_event',
         [
           ['txhash', event['transactionHash']],
+          ['hash_code', hashCode],
           ['log_index', event['logIndex']],
           ['net_id', this.bc.getNetId()],
           ['event_name', this.getEventName()],
@@ -174,6 +176,7 @@ class PullBcEvent extends BaseService {
         ],
         [
           ['txhash', event['transactionHash']],
+          ['hash_code', hashCode],
           ['log_index', event['logIndex']],
           ['net_id', this.bc.getNetId()],
           ['event_name', this.getEventName()],