smarty options中文显示不正常

[ws_123456]

就显示星期一其他的都不显示好像就不是中文跟中文星期一会匹配其他的中文就不匹配了
<?php
require '../libs/Smarty.class.php';
$smarty = new Smarty;

$vals=array('1','2','3','4','5','6','7');
$output=array('星期一','星期二','星期三','星期四','星期五','星期六','星期日');

$smarty->assign('selected','selected');
$smarty->assign('vals',$vals);
$smarty->assign('output',$output);

$smarty->display('index.tpl');
?>
<SELECT name=company>
{html_options values=$vals selected=$selected output=$output}
</SELECT>
填写数字跟字母是可以的
求助怎么回事

[ws_123456]

<?php
require '../libs/Smarty.class.php';
$smarty = new Smarty;

$vals=array('1','2','3','4','5','6','7');
$output=array('a','b','c','d','e','f','g');

$smarty->assign('selected','selected');
$smarty->assign('vals',$vals);
$smarty->assign('output',$output);

$smarty->display('index.tpl');
?>
<SELECT name=company>
{html_options values=$vals selected=$selected output=$output}
</SELECT>两种不同的结果

[xuzuning]

乱码？
检查文件保存时的编码是否一致

[ws_123456]

是smarty设置检查utf-8咯所以不能显示