diff --git a/webapp/bootstrap/config_loader.php b/webapp/bootstrap/config_loader.php
index d6a72cf1..f293e7c6 100644
--- a/webapp/bootstrap/config_loader.php
+++ b/webapp/bootstrap/config_loader.php
@@ -6,6 +6,7 @@ $g_conf_market_mysql_cluster = require('../config/game2006market.mysql.cluster.p
 $g_conf_mysql_cluster = require('../config/game2006api.mysql.cluster.php');
 $g_conf_relation_mysql_cluster = require('../config/game2006relation.mysql.cluster.php');
 $g_conf_mail_mysql_cluster = require('../config/mail.mysql.cluster.php');
+$g_conf_log_mysql_cluster = require('../config/log.mysql.cluster.php');
 $g_conf_redis_cluster = require('../config/game2006api.redis.cluster.php');
 $g_metatables = array();
 
@@ -82,6 +83,12 @@ function getMailMysqlConfig()
     return $g_conf_mail_mysql_cluster;
 }
 
+function getLogMysqlConfig()
+{
+    global $g_conf_log_mysql_cluster;
+    return $g_conf_log_mysql_cluster;
+}
+
 function getServerSwitchConfig()
 {
     global $g_conf_server_switch_cluster;
diff --git a/webapp/controller/BaseController.class.php b/webapp/controller/BaseController.class.php
index 4eeed3d5..b154086c 100644
--- a/webapp/controller/BaseController.class.php
+++ b/webapp/controller/BaseController.class.php
@@ -9,6 +9,7 @@ class BaseController {
     private $marketDbConn = null;
     private $relationDbConn = null;
     private $mailDbConn = null;
+    private $logDbConn = null;
     private $timeOffset = 0;
     private $moduleHash = array();
 
@@ -191,6 +192,22 @@ class BaseController {
         return $this->mailDbConn;
     }
 
+    public function _getLogMysql()
+    {
+        if ($this->logDbConn) {
+            return $this->logDbConn;
+        }
+        $mysql_conf = getLogMysqlConfig();
+        $this->logDbConn = new phpcommon\Mysql(array(
+            'host' => $mysql_conf['host'],
+            'port' => $mysql_conf['port'],
+            'user' => $mysql_conf['user'],
+            'passwd' => $mysql_conf['passwd'],
+            'dbname' => $mysql_conf['dbname'],
+        ));
+        return $this->logDbConn;
+    }
+
     public function _getRelationDbMysql()
     {
         if ($this->relationDbConn) {
diff --git a/webapp/services/LogService.php b/webapp/services/LogService.php
index 0b1b6504..64c78032 100644
--- a/webapp/services/LogService.php
+++ b/webapp/services/LogService.php
@@ -62,7 +62,7 @@ class LogService extends BaseService
             'modifytime' => myself()->_getNowTime()
         );
         SqlHelper::insert(
-            myself()->_getMysql($accountId),
+            myself()->_getLogMysql(),
             't_game_log',
             $fieldsKv
         );