protected function convertEncoding($message)
{
$lang = strtolower(I18n::getInstance()->getCurrentLanguage());
switch ($lang) {
case 'zh_cn':
$message = iconv("UTF-8", "GB2312//IGNORE", $message);
break;
case 'zh_tw':
$message = iconv("UTF-8", "BIG5//IGNORE", $message);
break;
}
return $message;
}