@@ -1,5 +1,5 @@
<!DOCTYPE html>
-<html xmlns:th="http://www.thymeleaf.org">
+<html>
<head>
<meta charset="utf-8">
<meta http-equiv="X-UA-Compatible" content="IE=edge">
-<html>
+<html xmlns:th="http://www.w3.org/1999/xhtml">
<head th:include="include/header_css::header('欢迎页')"></head>
<body>
<div class="panel panel-default">