adicn/phpcms/modules/comment/uninstall/model.php

<?php
defined('IN_PHPCMS') or exit('Access Denied');
defined('UNINSTALL') or exit('Access Denied'); 
$comment_table_db = pc_base::load_model('comment_table_model');
$tablelist = $comment_table_db->select('', 'tableid');
	foreach($tablelist as $k=>$v) {
		$comment_table_db->query("DROP TABLE IF EXISTS `".$comment_table_db->db_tablepre."comment_data_".$v['tableid']."`;");
	}
return array('comment', 'comment_check', 'comment_setting', 'comment_table');
?>