diff --git a/server/web3bcspider/services/pull_bcevent.js b/server/web3bcspider/services/pull_bcevent.js
index d03ffe5..2b7c640 100644
--- a/server/web3bcspider/services/pull_bcevent.js
+++ b/server/web3bcspider/services/pull_bcevent.js
@@ -128,16 +128,21 @@ class PullBcEvent extends BaseService {
     const logHead = this.getInstanceName() + ' event_process.saveLastBlockNumber';
     while (true) {
       const {err} = await this.conn.upsert(
-        't_parameter',
+        't_last_block',
         [
-          ['name', this.getBlockNumberDbName()]
+          ['net_id', this.getNetId()],
+          ['contract_address', this.getContractAddress()],
+          ['event_name', this.getEventName()],
         ],
         [
-          ['value', blockNumber],
+          ['block_number', blockNumber],
         ],
         [
-          ['name', this.getBlockNumberDbName()],
-          ['value', blockNumber],
+          ['net_id', this.getNetId()],
+          ['contract_address', this.getContractAddress()],
+          ['event_name', this.getEventName()],
+          ['block_number', blockNumber],
+          ['contract_name', this.getContractName()],
         ]
       );
       if (!err) {