diff --git a/_extend.php b/_extend.php
index dc6576a..ab7f112 100644
--- a/_extend.php
+++ b/_extend.php
@@ -1,19 +1,22 @@
 <?php
 $g5['clap_table'] = G5_TABLE_PREFIX . 'clap';
 
-// 랜덤 테이블이 없을 경우 생성
-if (!sql_table_exists($g5['clap_table'])) {
-  sql_query(" CREATE TABLE IF NOT EXISTS `{$g5['clap_table']}` (
-    `cl_id` int(11) NOT NULL AUTO_INCREMENT,
-    `cl_ip` varchar(255)  NOT NULL default '',
-    `cl_date` datetime NULL,
-    `cl_cnt` int(11) NOT NULL default 1,
-    `cl_val` varchar(255) NOT NULL default '',
-    PRIMARY KEY (`cl_id`)
-	) ENGINE = MyISAM  DEFAULT CHARSET=utf8;", false);
+// database table check only admin (request reduce)
+if ($is_admin) {
+  if (!sql_table_exists($g5['clap_table'])) {
+    sql_query(" CREATE TABLE IF NOT EXISTS `{$g5['clap_table']}` (
+      `cl_id` int(11) NOT NULL AUTO_INCREMENT,
+      `cl_ip` varchar(255)  NOT NULL default '',
+      `cl_date` datetime NULL,
+      `cl_cnt` int(11) NOT NULL default 1,
+      `cl_val` varchar(255) NOT NULL default '',
+      PRIMARY KEY (`cl_id`)
+    ) ENGINE = MyISAM  DEFAULT CHARSET=utf8;", false);
+  }
 }
 
 $last = date("Y-m-d", strtotime("today -30 day"));
+
 $be = sql_fetch("SELECT cl_id,cl_date FROM {$g5['clap_table']} WHERE cl_cnt > 1 AND date_format(cl_date, '%Y-%m-%d') <= '{$last}' ORDER BY cl_date LIMIT 1");
 
 if ($be['cl_id']) {
@@ -21,6 +24,7 @@ if ($be['cl_id']) {
 }
 
 $sum = sql_fetch("SELECT sum(cl_cnt) as sum FROM {$g5['clap_table']} WHERE date_format(cl_date, '%Y-%m-%d') <= '{$last}'");
+
 if ($sum['sum']) {
   $cnt = $sum['sum'];
   sql_query("DELETE FROM {$g5['clap_table']} WHERE date_format(cl_date, '%Y-%m-%d') <= '{$last}'");