我正在使用Facebook的Open Graph Protocol从网址发布flash电影，但是当我按下播放按钮时，电影无法加载。
<meta property="og:title" content="song's name">
<meta property="og:type" content="song">
<meta property="og:site_name" content="song's name">
<meta property="og:description" content="song's name">
<meta property="og:image" content="my_img.jpg">
<meta property="og:url" content="my_url">
<meta name="medium" content="video">
<meta property="og:video" content="http://my_flas_video.swf">
<meta property="og:video:secure_url" content="https://my_flas_video.swf">
<meta property="og:video:height" content="150">
<meta property="og:video:width" content="150">
<meta property="og:video:type" content="application/x-shockwave-flash">
<meta property="fb:app_id" content="my_appid">
<meta property="fb:admins" content="my_admin">
有什么想法吗？