我网站的子菜单在悬停时消失。我很确定它在 header.php 中。这是我认为与此相关的代码的代码（请参阅：）：
<!DOCTYPE html>
<!--[if lt IE 7 ]><html class="ie ie6" <?php language_attributes();?>> <![endif]-->
<!--[if IE 7 ]><html class="ie ie7" <?php language_attributes();?>> <![endif]-->
<!--[if IE 8 ]><html class="ie ie8" <?php language_attributes();?>> <![endif]-->
<!--[if IE 9 ]><html class="ie ie9" <?php language_attributes();?>> <![endif]-->
<!--[if (gt IE 9)|!(IE)]><!--><html <?php language_attributes();?>> <!--<![endif]-->
<head>
<title><?php if ( is_category() ) {
echo __('Category Archive for "', 'theme1773'); single_cat_title(); echo __('" | ', 'theme1773'); bloginfo( 'name' );
} elseif ( is_tag() ) {
echo __('Tag Archive for "', 'theme1773'); single_tag_title(); echo __('" | ', 'theme1773'); bloginfo( 'name' );
} elseif ( is_archive() ) {
wp_title(''); echo __(' Archive | ', 'theme1773'); bloginfo( 'name' );
} elseif ( is_search() ) {
echo __('Search for "', 'theme1773').wp_specialchars($s).__('" | ', 'theme1773'); bloginfo( 'name' );
} elseif ( is_home() || is_front_page()) {
bloginfo( 'name' ); echo ' | '; bloginfo( 'description' );
} elseif ( is_404() ) {
echo __('Error 404 Not Found | ', 'theme1773'); bloginfo( 'name' );
} elseif ( is_single() ) {
wp_title('');
} else {
echo wp_title( ' | ', false, right ); bloginfo( 'name' );
} ?></title>
<meta name="description" content="<?php wp_title(); echo ' | '; bloginfo( 'description' ); ?>" />
<meta charset="<?php bloginfo( 'charset' ); ?>" />
<link rel="profile" href="http://gmpg.org/xfn/11" />
<link rel="icon" href="<?php bloginfo( 'template_url' ); ?>/favicon.ico" type="image/x-icon" />
<link rel="pingback" href="<?php bloginfo( 'pingback_url' ); ?>" />
<link rel="alternate" type="application/rss+xml" title="<?php bloginfo( 'name' ); ?>" href="<?php bloginfo( 'rss2_url' ); ?>" />
<link rel="alternate" type="application/atom+xml" title="<?php bloginfo( 'name' ); ?>" href="<?php bloginfo( 'atom_url' ); ?>" />
<?php /* The HTML5 Shim is required for older browsers, mainly older versions IE */ ?>
<!--[if lt IE 8]>
<div style=' clear: both; text-align:center; position: relative;'>
<a href="http://www.microsoft.com/windows/internet-explorer/default.aspx?ocid=ie6_countdown_bannercode"><img src="http://storage.ie6countdown.com/assets/100/images/banners/warning_bar_0000_us.jpg" border="0" alt="" /></a>
</div>
<![endif]-->
<link rel="stylesheet" type="text/css" media="all" href="<?php bloginfo( 'template_url' ); ?>/css/normalize.css" />
<link rel="stylesheet" type="text/css" media="all" href="<?php bloginfo( 'stylesheet_url' ); ?>" />
<link rel="stylesheet" type="text/css" media="all" href="<?php bloginfo( 'template_url' ); ?>/css/prettyPhoto.css" />
<link rel="stylesheet" type="text/css" media="all" href="<?php bloginfo( 'template_url' ); ?>/css/grid.css" />
<link rel="stylesheet" type="text/css" media="all" href="<?php bloginfo( 'template_url' ); ?>/css/jquery-ui.css" />
<?php
/* We add some JavaScript to pages with the comment form
* to support sites with threaded comments (when in use).
*/
if ( is_singular() && get_option( 'thread_comments' ) )
wp_enqueue_script( 'comment-reply' );
/* Always have wp_head() just before the closing </head>
* tag of your theme, or you will break many plugins, which
* generally use this hook to add elements to <head> such
* as styles, scripts, and meta tags.
*/
wp_head();
?>
<!--[if lt IE 9]>
<style type="text/css">
.blue,
.black,
.white,
.button,
.white h1, .white h3, .black h1, .black h3, .blue h3, .blue .title, #booking-form h2 {
behavior:url(<?php bloginfo('stylesheet_directory'); ?>/PIE.php)
}
</style>
<![endif]-->
<script type="text/javascript">
// initialise plugins
jQuery(function(){
// main navigation init
jQuery('ul.sf-menu').superfish({
delay: <?php echo of_get_option('sf_delay'); ?>, // one second delay on mouseout
animation: {opacity:'<?php echo of_get_option('sf_f_animation'); ?>'<?php if (of_get_option('sf_sl_animation')=='show') { ?>,height:'<?php echo of_get_option('sf_sl_animation'); ?>'<?php } ?>}, // fade-in and slide-down animation
speed: '<?php echo of_get_option('sf_speed'); ?>', // faster animation speed
autoArrows: <?php echo of_get_option('sf_arrows'); ?>, // generation of arrow mark-up (for submenu)
dropShadows: <?php echo of_get_option('sf_shadows'); ?> // drop shadows (for submenu)
});
});
// Init for audiojs
audiojs.events.ready(function() {
var as = audiojs.createAll();
});
// Init for si.files
SI.Files.stylizeAll();
</script>
<script type="text/javascript">
jQuery(window).load(function() {
// nivoslider init
jQuery('#slider').nivoSlider({
effect: '<?php echo of_get_option('sl_effect'); ?>',
slices:<?php echo of_get_option('sl_slices'); ?>,
boxCols:<?php echo of_get_option('sl_box_columns'); ?>,
boxRows:<?php echo of_get_option('sl_box_rows'); ?>,
animSpeed:<?php echo of_get_option('sl_animation_speed'); ?>,
pauseTime:<?php echo of_get_option('sl_pausetime'); ?>,
directionNav:<?php echo of_get_option('sl_dir_nav'); ?>,
directionNavHide:<?php echo of_get_option('sl_dir_nav_hide'); ?>,
controlNav:<?php echo of_get_option('sl_control_nav'); ?>
});
});
</script>
<style type="text/css">
<?php $background = of_get_option('body_background');
if ($background != '') {
if ($background['image'] != '') {
echo 'body { background-image:url('.$background['image']. '); background-repeat:'.$background['repeat'].'; background-position:'.$background['position'].'; background-attachment:'.$background['attachment'].'; }';
}
if($background['color'] != '') {
echo 'body { background-color:'.$background['color']. '}';
}
};
?>
<?php $header_styling = of_get_option('header_color');
if($header_styling != '') {
echo '#header {background-color:'.$header_styling.'}';
}
?>
<?php $links_styling = of_get_option('links_color');
if($links_styling) {
echo 'a{color:'.$links_styling.'}';
echo '.button {background:'.$links_styling.'}';
}
?>
</style>
</head>
<body <?php body_class(); ?>>
<div id="main"><!-- this encompasses the entire Web site -->
<header id="header">
<div class="container_12 clearfix">
<div class="grid_12">
<div id="widget-header">
<?php if ( ! dynamic_sidebar( 'Header' ) ) : ?><!-- Wigitized Header --><?php endif ?>
</div><!--#widget-header-->
<div class="clear"></div>
<div class="row-top clearfix">
<div class="logo">
<a href="<?php bloginfo('url'); ?>/" id="logo"><img src="<?php bloginfo('template_url'); ?>/images/logo.png" alt="<?php bloginfo('name'); ?>" title="<?php bloginfo('description'); ?>"></a>
</div>
**<nav class="primary">
<?php wp_nav_menu( array(
'container' => 'ul',
'menu_class' => 'sf-menu',
'menu_id' => 'topnav',
'depth' => 0,
'theme_location' => 'header_menu'
));
?>
</nav><!--.primary-->**
</div>
<?php if ( of_get_option('g_search_box_id') == 'yes') { ?>
<div id="top-search">
<form method="get" action="<?php echo get_option('home'); ?>/">
<input type="text" name="s" class="input-search"/><input type="submit" value="<?php _e('GO', 'theme1773'); ?>" id="submit">
</form>
</div>
<?php } ?>
</div>
</div><!--.container_12-->
</header>
<?php if( is_front_page() ) { ?>
<section id="slider-wrapper">
<div class="container_12 clearfix">
<div class="grid_12">
<?php include_once(TEMPLATEPATH . '/slider.php'); ?>
</div>
</div>
</section><!--#slider-->
<?php } ?>
<div class="container_12 primary_content_wrap clearfix">
这是链接：http ://bestinfinity.com/WordPress/
如果有人可以帮助我，我一定会很感激。
谢谢！