มีปัญหา กับการต่อ database codeigniter ตอนอัพโฮสครับ

$active_group = 'default';
$active_record = TRUE;
$db['default']['hostname'] = "localhost";
$db['default']['username'] = "u692663838_able";
$db['default']['password'] ="xxxxxxx";
$db['default']['database'] = "u692663838_able";

//$db['default']['username'] = "root";
//$db['default']['password'] ="root";
//$db['default']['database'] = "bbb";

$db['default']['dbdriver'] = 'mysql';
$db['default']['dbprefix'] = "";
$db['default']['pconnect'] = TRUE;
$db['default']['db_debug'] = TRUE;
$db['default']['cache_on'] = FALSE;
$db['default']['cachedir'] = 'application/cache/';
$db['default']['char_set'] = 'utf8';
$db['default']['dbcollat'] = 'utf8_general_ci';
$db['default']['swap_pre'] = '';
$db['default']['autoinit'] = TRUE;
$db['default']['stricton'] = FALSE;