diff --git a/help_statement.html b/help_statement.html
index 5333b64..96322f6 100644
--- a/help_statement.html
+++ b/help_statement.html
@@ -1,9 +1,8 @@
-<html>
-	
+<!DOCTYPE html>
+<html xmlns="http://www.w3.org/1999/xhtml">
 	<head>
-		<meta http-equiv="content-type" content="text/html; charset=UTF-8">
+		<meta charset="UTF-8" />
 	</head>
-	
 	<body>
 		<dl>
 			<dt class="t">
@@ -14,8 +13,7 @@
 				<ul>
 					<li>
 						如果没有请点击下载安装：
-						<a href="wmpfirefoxplugin.zip"
-						title="非IE浏览器Windows Media Player插件(XP/Win7)">
+						<a href="wmpfirefoxplugin.zip" title="非IE浏览器Windows Media Player插件(XP/Win7)">
 							WMP Plugin(Firefox/safari/Chrome/opera)
 						</a>
 					</li>
diff --git a/index.html b/index.html
index 0160160..e2a67e7 100644
--- a/index.html
+++ b/index.html
@@ -204,4 +204,4 @@ <h1>
 			})();
 		</script>
 	</body>
-</html>
+</html>
\ No newline at end of file
diff --git a/player.html b/player.html
index 78e2f97..83d6585 100644
--- a/player.html
+++ b/player.html
@@ -1,6 +1,7 @@
-<html>
+<!DOCTYPE html>
+<html xmlns="http://www.w3.org/1999/xhtml">
 	<head>
-		<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
+		<meta charset="UTF-8" />
 	</head>
 	<body bgcolor="#000">
 		<div id="obj" style="margin-left:-11px;">
