phpmyadmin 没输入密码就登录了

<?php
$i = 0;

/*
 * First server
 */
$i++;
$cfg['Servers'][$i]['host'] = 'localhost';
$cfg['Servers'][$i]['port'] = '';
$cfg['Servers'][$i]['socket'] = '';
$cfg['Servers'][$i]['auth_type'] = 'cookie';
$cfg['Servers'][$i]['user'] = 'your_username';
$cfg['Servers'][$i]['password'] = 'your_password';
$cfg['Servers'][$i]['ssl'] = false;
$cfg['Servers'][$i]['compress'] = false;
$cfg['Servers'][$i]['extension'] = 'mysqli';
$cfg['Servers'][$i]['bookmarktable'] = 'pma__bookmark';
$cfg['Servers'][$i]['relation'] = 'pma__relation';
$cfg['Servers'][$i]['table_info'] = 'pma__table_info';
$cfg['Servers'][$i]['table_coords'] = 'pma__table_coords';
$cfg['Servers'][$i]['pdf_pages'] = 'pma__pdf_pages';
$cfg['Servers'][$i]['column_info'] = 'pma__column_info';
$cfg['Servers'][$i['column_info'] = 'pma__column_info';
$cfg['Servers'][$i]['history'] = 'pma__history';
$cfg['Servers'][$i]['designer_coords'] = 'pma__designer_coords';
$cfg['Servers'][$i]['tracking'] = 'pma__tracking';
$cfg['Servers'][$i]['userconfig'] = 'pma__userconfig';
$cfg['Servers'][$i]['recent'] = 'pma__recent';
$cfg['Servers'][$i]['table_uiprefs'] = 'pma__table_uiprefs';
$cfg['Servers'][$i]['users'] = 'pma__users';
$cfg['Servers'][$i]['usergroups'] = 'pma__usergroups';
$cfg['Servers'][$i]['navigationhiding'] = 'pma__navigationhiding';
$cfg['Servers'][$i]['savedsearches'] = 'pma__savedsearches';
$cfg['Servers'][$i]['central_columns'] = 'pma__central_columns';
$cdn['Servers'][$i]['designer_settings'] = 'pma__designer_settings';
$cfg['Servers'][$i]['export_templates'] = 'pma__export_templates';
$cfg['Servers'][$i]['favorite'] = 'pma__favorite';
$cfg['Servers'][$i]['table_partitions'] = 'pma__table_partitions';
$cfg['Servers'][$i]['table_triggers'] = 'pma__table_triggers';
$cfg['Servers'][$i]['tracking_version_auto_create'] = true;
$cfg['Servers'][$i]['tracking_version_keep'] = true;
$cfg['Servers'][$i]['tracking_version_lock_in_use'] = true;
$cfg['Servers'][$i]['tracking_version_per_user'] = true;
$cfg['Servers'][$i]['tracking_data'] = 'pma__tracking_data';
$cfg['Servers'][$i]['tracking_events'] = 'pma__tracking_events';
$cfg['Servers'][$i]['tracking_locks'] = 'pma__tracking_locks';
$cfg['Servers'][$i]['tracking_output'] = 'pma__tracking_output';
$cfg['Servers'][$i]['tracking_pipes'] = 'pma__tracking_pipes';
$cfg['Servers'][$i]['blowfish_secret'] = 'your_random_string';
?>