diff --git a/src/install/install.html b/src/install/install.html
index 2f928149..4005c31f 100644
--- a/src/install/install.html
+++ b/src/install/install.html
@@ -12,7 +12,7 @@
 		<script src="/static/web/js/bootstrap.min.js"></script>
 		<script src="/static/web/js/style.js"></script>
 	</head>
-	<body class="body-bg">
+	<body>
 		<div class="login-head shadow-sm mb-3">
 			<div class="container">
 				<div class="row align-items-center">
@@ -33,9 +33,9 @@
 			<div class="alert alert-warning"><?php echo $msg ?></div>
 			<?php }}?>
 			<div class="alert alert-warning">请先阅读<a href="https://www.dedebiz.com/license?from=install" target="_blank">《站点授权协议》</a></div>
-			<div class="card shadow-sm mb-3">
-				<div class="card-header bg-success">
-					<h2 class="text-center text-white">安装DedeV<?php echo $cfg_version_detail;?></h2>
+			<div class="card mb-3">
+				<div class="card-header">
+					<h2 class="text-center">安装DedeV<?php echo $cfg_version_detail;?></h2>
 				</div>
 				<div class="card-body">
 					<form action="/install/index.php" method="post" name="form1">
