diff --git a/server/common/dbpool.js b/server/common/dbpool.js
index 08d4474..39b98c8 100644
--- a/server/common/dbpool.js
+++ b/server/common/dbpool.js
@@ -70,18 +70,18 @@ async function internalDbConn(app, name, method, ...args) {
   };
 }
 
-async function getBcEventConn(app, method, ...args) {
+async function execBcEventConn(app, method, ...args) {
   return await internalDbConn(app, constant.BCEVENTDB_NAME, method, ...args);
 }
 
-async function getBcNftConn(app, method, ...args) {
+async function execBcNftConn(app, method, ...args) {
   return await internalDbConn(app, constant.BCNFTDB_NAME, method, ...args);
 }
 
-async function getGameConn(app, method, ...args) {
+async function execGameConn(app, method, ...args) {
   return await internalDbConn(app, constant.GAMEDB_NAME, method, ...args);
 }
 
-exports.getBcEventConn = getBcEventConn;
-exports.getBcNftConn = getBcNftConn;
-exports.getGameConn = getGameConn;
+exports.execBcEventConn = execBcEventConn;
+exports.execBcNftConn = execBcNftConn;
+exports.execGameConn = execGameConn;
diff --git a/server/web3bcspider/services/erc721_refresher.js b/server/web3bcspider/services/erc721_refresher.js
index 4e2999e..e8410e0 100644
--- a/server/web3bcspider/services/erc721_refresher.js
+++ b/server/web3bcspider/services/erc721_refresher.js
@@ -30,7 +30,7 @@ class Erc721Refresher extends BaseService {
   async pullEvent() {
     const logHead = this.genLogHead('pullEvent ');
     try {
-      const {err, rows} = await dbpool.getBcEventConn(
+      const {err, rows} = await dbpool.execBcEventConn(
         app,
         'execQuery',
         ',SELECT * FROM t_erc721_refresh WHERE idx > ' + this.lastIdx.toString() + ' ' +
@@ -208,7 +208,7 @@ class Erc721Refresher extends BaseService {
   }
 
   async update(row, fields) {
-    const {err} = await this.dbpool.getBcEventConn(
+    const {err} = await this.dbpool.execBcEventConn(
       app,
       'update',
       't_erc721_refresh',
diff --git a/server/web3bcspider/services/pull_bcevent.js b/server/web3bcspider/services/pull_bcevent.js
index fa7d878..6e97042 100644
--- a/server/web3bcspider/services/pull_bcevent.js
+++ b/server/web3bcspider/services/pull_bcevent.js
@@ -86,7 +86,7 @@ class PullBcEvent extends BaseService {
     const firstBlockNumber = this.getInitBlock();
     while (this.lastBlockNumber < 1) {
       try {
-        const {err, row} = await dbpool.getBcEventConn(
+        const {err, row} = await dbpool.execBcEventConn(
           app,
           'ormSelectOne',
           't_last_block',
@@ -134,7 +134,7 @@ class PullBcEvent extends BaseService {
   async saveLastBlockNumber(blockNumber) {
     const logHead = this.genLogHead(' event_process.saveLastBlockNumber: ');
     while (true) {
-      const {err} = await dbpool.getBcEventConn(
+      const {err} = await dbpool.execBcEventConn(
         app,
         'upsert',
         't_last_block',
@@ -172,7 +172,7 @@ class PullBcEvent extends BaseService {
       const nowTime = utils.getUtcTime();
       const returnValues = event['returnValues'];
       const hashCode = '';
-      const {err} = await dbpool.getBcEventConn(
+      const {err} = await dbpool.execBcEventConn(
         app,
         'upsert',
         't_blockchain_event',