diff --git a/webapp/controller/MarketController.class.php b/webapp/controller/MarketController.class.php
index eaeb6afb..123e6919 100644
--- a/webapp/controller/MarketController.class.php
+++ b/webapp/controller/MarketController.class.php
@@ -347,7 +347,7 @@ class MarketController extends BaseAuthedController
             return '';
         };
 
-        $conn = myself()->_getSelfMysql('');
+        $conn = myself()->_getSelfMysql();
 
         $counts = $conn->execQuery(
             'SELECT count(idx) as count FROM t_market_store ' .
@@ -518,7 +518,7 @@ class MarketController extends BaseAuthedController
         $signature = getReqVal('signature', '');
         $net_id = getReqVal('net_id', '');
 
-        $conn = myself()->_getSelfMysql('');
+        $conn = myself()->_getSelfMysql();
 
         $nftDb = null;
 
@@ -610,7 +610,7 @@ class MarketController extends BaseAuthedController
             return;
         }
 
-        $conn = $this->_getSelfMysql('');
+        $conn = $this->_getSelfMysql();
         $r = SqlHelper::update(
             $conn,
             't_market_store',
@@ -648,7 +648,7 @@ class MarketController extends BaseAuthedController
             return;
         }
 
-        $conn = $this->_getSelfMysql('');
+        $conn = $this->_getSelfMysql();
         $r = SqlHelper::update(
             $conn,
             't_market_store',
@@ -717,7 +717,7 @@ class MarketController extends BaseAuthedController
         $signature = getReqVal('signature', '');
         $net_id = getReqVal('net_id', '');
 
-        $conn = myself()->_getSelfMysql('');
+        $conn = myself()->_getSelfMysql();
 
         $nftDb = Nft::findNftByOwner($account, $nft_token);
         $nftDetail = Nft::toDto($nftDb);
@@ -758,7 +758,7 @@ class MarketController extends BaseAuthedController
         $signature = getReqVal('signature', '');
         $net_id = getReqVal('net_id', '');
 
-        $conn = myself()->_getSelfMysql('');
+        $conn = myself()->_getSelfMysql();
         $conn->execScript('DELETE FROM t_market_store WHERE ' . 'token_id=\'' . $nft_token . '\'');
 
         $this->_rspOk();
@@ -790,7 +790,7 @@ class MarketController extends BaseAuthedController
         $start = getReqVal('start', 0);
         $page_size = getReqVal('page_size', 10);
         $page_size = max(1, min(100, $page_size));
-        $conn = myself()->_getSelfMysql('');
+        $conn = myself()->_getSelfMysql();
 
         $type_filter_fn = function ($f) {
             if ($f == 0) {
@@ -877,7 +877,7 @@ class MarketController extends BaseAuthedController
             )
         );
 
-        $conn = myself()->_getSelfMysql('');
+        $conn = myself()->_getSelfMysql();
 
         // 1. check order status
         $chk = SqlHelper::selectOne($conn, 't_market_store', array('status'), array('o_link' => $orderId));
@@ -954,7 +954,7 @@ class MarketController extends BaseAuthedController
             )
         );
 
-        $conn = myself()->_getSelfMysql('');
+        $conn = myself()->_getSelfMysql();
 
         // 1. check order status
         $chk = SqlHelper::selectOne($conn, 't_market_store', array('status', 'idx', 'c_name', 'token_type'), array('o_link' => $orderId));
@@ -1010,7 +1010,7 @@ class MarketController extends BaseAuthedController
             )
         );
 
-        $conn = myself()->_getSelfMysql('');
+        $conn = myself()->_getSelfMysql();
 
         // 1. check order status
         $chk = SqlHelper::selectOne($conn, 't_market_store', array('status'), array('o_link' => $orderId));
@@ -1057,7 +1057,7 @@ class MarketController extends BaseAuthedController
             )
         );
 
-        $conn = myself()->_getSelfMysql('');
+        $conn = myself()->_getSelfMysql();
 
         // 1. check order status
         $chk = SqlHelper::selectOne($conn, 't_market_store', array('status'), array('o_link' => $orderId));
@@ -1132,7 +1132,7 @@ class MarketController extends BaseAuthedController
 
     private function attach_market_selling(&$row)
     {
-        $conn = myself()->_getSelfMysql('');
+        $conn = myself()->_getSelfMysql();
 
         $rows = $conn->execQuery(
             'SELECT * FROM t_market_store ' .
@@ -1159,7 +1159,7 @@ class MarketController extends BaseAuthedController
     {
         // error_log('listMySelledNfts ' . $account . ' ' . $type);
 
-        $conn = myself()->_getSelfMysql('');
+        $conn = myself()->_getSelfMysql();
 
         $rows = $conn->execQuery(
             'SELECT * FROM t_market_store ' .
@@ -1268,7 +1268,7 @@ class MarketController extends BaseAuthedController
     private function updateUserInfo($address, $fieldKv)
     {
         $r = SqlHelper::update(
-            myself()->_getSelfMysql(''),
+            myself()->_getSelfMysql(),
             't_user',
             array(
                 'address' => $address,
@@ -1309,7 +1309,7 @@ class MarketController extends BaseAuthedController
         //     return null;
         // }
 
-        $conn = myself()->_getSelfMysql($address);
+        $conn = myself()->_getMysql($address);
         $row = SqlHelper::selectOne(
             $conn,
             't_user',
@@ -1328,7 +1328,7 @@ class MarketController extends BaseAuthedController
     private function getAccountId($address)
     {
         $row = SqlHelper::selectOne(
-            myself()->_getSelfMysql($address),
+            myself()->_getMysql($address),
             't_user',
             array('account_id'),
             array(
@@ -1352,7 +1352,7 @@ class MarketController extends BaseAuthedController
     private function getGoodsByIdx($idx)
     {
         $row = SqlHelper::selectOne(
-            myself()->_getSelfMysql(''),
+            myself()->_getSelfMysql(),
             't_market_store',
             array('item_id', 'amount', 's_price', 'owner_address'),
             array(
@@ -1372,7 +1372,7 @@ class MarketController extends BaseAuthedController
     private function markOrderBuyStatus($idx)
     {
         $r = SqlHelper::update(
-            myself()->_getSelfMysql(''),
+            myself()->_getSelfMysql(),
             't_market_store',
             array(
                 'idx' => $idx,