diff --git a/header.php b/header.php
index 1f272e6..e068511 100644
--- a/header.php
+++ b/header.php
@@ -66,7 +66,7 @@ if (akina_option('akina_meta') == true) {
 <?php wp_head(); ?>
 <script type="text/javascript">
 if (!!window.ActiveXObject || "ActiveXObject" in window) { //is IE?
-  alert('朋友，IE浏览器未适配哦~');
+  alert('朋友，IE浏览器未适配哦~\n如果是 360、QQ 等双核浏览器，请关闭 IE 模式！');
 }
 </script>
 <?php if(akina_option('google_analytics_id', '')):?>
@@ -78,6 +78,9 @@ window.dataLayer=window.dataLayer||[];function gtag(){dataLayer.push(arguments)}
 <?php endif; ?>
 </head>
 <body <?php body_class(); ?>>
+    <?php
+    if(get_template_directory_uri() != get_site_url().'/wp-content/themes/Sakura') echo '<div style="position:fixed;height:100%;width:100%;top:0;left:0;font-size:20px;z-index:999999;background-color: #fff;">Plz rename theme folder name as <span style="color:red">Sakura</span>!<br>请将主题文件夹名改为 <span style="color:red">Sakura</span>！</div>';
+    php?>
     <div class="scrollbar" id="bar"></div>
 	<section id="main-container">
 		<?php 
@@ -126,4 +129,4 @@ window.dataLayer=window.dataLayer||[];function gtag(){dataLayer.push(arguments)}
             }else {
                 the_headPattern();
             } ?>
-		    <div id="content" class="site-content">
\ No newline at end of file
+		    <div id="content" class="site-content">
