diff --git a/theme/classic.php b/theme/classic.php
index f59ae1d..7f266b5 100644
--- a/theme/classic.php
+++ b/theme/classic.php
@@ -10,7 +10,7 @@
     <link rel="icon" href="<?php echo $_SERVER['base_disk_path'];?>favicon.ico" type="image/x-icon" />
     <link rel="shortcut icon" href="<?php echo $_SERVER['base_disk_path'];?>favicon.ico" type="image/x-icon" />
     <style type="text/css">
-        body{font-family:'Helvetica Neue',Helvetica,Arial,sans-serif;font-size:14px;line-height:1em;color:#000;background-color:#f7f7f9;background-image:url("<?php echo getConfig('background')?getConfig('background'):($_SERVER['base_disk_path'].'background.jpg'); ?>");background-repeat:no-repeat;background-size:cover;background-attachment:fixed}
+        body{font-family:'Helvetica Neue',Helvetica,Arial,sans-serif;font-size:14px;line-height:1em;color:#000;background-color:#f7f7f9;<?php if (getConfig('background')) { ?>background-repeat:no-repeat;background-size:cover;background-attachment:fixed;background-image:url("<?php echo getConfig('background'); ?>");<?php } ?>}
         a{color:#24292e;cursor:pointer;text-decoration:none}
         ion-icon{font-size:15px;vertical-align:bottom}
         .changelanguage{position:absolute;right:5px;}
@@ -109,7 +109,20 @@
         </div>
     </div>
 <?php }
-    if ($files) { ?>
+    if ($files) {
+        if (isset($files['children']['head.md'])) { ?>
+    <div class="list-wrapper" id="head-div">
+        <div class="list-container">
+            <div class="list-header-container">
+                <div class="readme">
+                    <div class="markdown-body" id="head">
+                        <textarea id="head-md" style="display:none;"><?php echo fetch_files(spurlencode(path_format($path . '/head.md'),'/'))['content']['body']; ?></textarea>
+                    </div>
+                </div>
+            </div>
+        </div>
+    </div>
+<?php   } ?>
     <div class="list-wrapper" id="list-div">
         <div class="list-container">
             <div class="list-header-container">
@@ -133,8 +146,6 @@
             </div>
             <div class="list-body-container">
 <?php
-    $head = false;
-    $readme = false;
     $pdfurl = false;
     $DPvideo = false;
     if ($_SERVER['is_guestup_path']&&!$_SERVER['admin']) { ?>
@@ -244,12 +255,6 @@
                     foreach ($files['children'] as $file) {
                         // Files
                         if (isset($file['file'])) {
-                            if (strtolower($file['name']) === 'head.md') $head = $file;
-                            if (strtolower($file['name']) === 'readme.md') $readme = $file;
-                            if (strtolower($file['name']) === 'index.html' && !$_SERVER['admin']) {
-                                $html = curl_request(fetch_files(spurlencode(path_format($path . '/' .$file['name']),'/'))['@microsoft.graph.downloadUrl'])['body'];
-                                return output($html,200);
-                            }
                             if ($_SERVER['admin'] or !isHideFile($file['name'])) {
                                 $filenum++; ?>
                     <tr data-to id="tr<?php echo $filenum;?>">
@@ -351,25 +356,7 @@
                     echo 'Unknown path or file.';
                     echo json_encode($files, JSON_PRETTY_PRINT);
                 }
-                if ($head) {
-                    echo '
-            </div>
-        </div>
-    </div>
-    <div class="list-wrapper" id="head-div">
-        <div class="list-container">
-            <div class="list-header-container">
-                <div class="readme">
-                    <!--<svg class="octicon octicon-book" viewBox="0 0 16 16" version="1.1" width="16" height="16" aria-hidden="true"><path fill-rule="evenodd" d="M3 5h4v1H3V5zm0 3h4V7H3v1zm0 2h4V9H3v1zm11-5h-4v1h4V5zm0 2h-4v1h4V7zm0 2h-4v1h4V9zm2-6v9c0 .55-.45 1-1 1H9.5l-1 1-1-1H2c-.55 0-1-.45-1-1V3c0-.55.45-1 1-1h5.5l1 1 1-1H15c.55 0 1 .45 1 1zm-8 .5L7.5 3H2v9h6V3.5zm7-.5H9.5l-.5.5V12h6V3z"></path></svg>
-                    <span style="line-height: 16px;vertical-align: top;">'.$head['name'].'</span>-->
-                    <div class="markdown-body" id="head">
-                        <textarea id="head-md" style="display:none;">' . curl_request(fetch_files(spurlencode(path_format($path . '/' .$head['name']),'/'))['@microsoft.graph.downloadUrl'])['body'] . '
-                        </textarea>
-                    </div>
-                </div>
-';
-                }
-                if ($readme) {
+                if (isset($files['children']['readme.md'])) {
                     echo '
             </div>
         </div>
@@ -378,11 +365,8 @@
         <div class="list-container">
             <div class="list-header-container">
                 <div class="readme">
-                    <!--<svg class="octicon octicon-book" viewBox="0 0 16 16" version="1.1" width="16" height="16" aria-hidden="true"><path fill-rule="evenodd" d="M3 5h4v1H3V5zm0 3h4V7H3v1zm0 2h4V9H3v1zm11-5h-4v1h4V5zm0 2h-4v1h4V7zm0 2h-4v1h4V9zm2-6v9c0 .55-.45 1-1 1H9.5l-1 1-1-1H2c-.55 0-1-.45-1-1V3c0-.55.45-1 1-1h5.5l1 1 1-1H15c.55 0 1 .45 1 1zm-8 .5L7.5 3H2v9h6V3.5zm7-.5H9.5l-.5.5V12h6V3z"></path></svg>
-                    <span style="line-height: 16px;vertical-align: top;">'.$readme['name'].'</span>-->
                     <div class="markdown-body" id="readme">
-                        <textarea id="readme-md" style="display:none;">' . curl_request(fetch_files(spurlencode(path_format($path . '/' .$readme['name']),'/'))['@microsoft.graph.downloadUrl'])['body'] . '
-                        </textarea>
+                        <textarea id="readme-md" style="display:none;">' . fetch_files(spurlencode(path_format($path . '/readme.md'),'/'))['content']['body'] . '</textarea>
                     </div>
                 </div>
 ';
@@ -529,7 +513,7 @@
     <div style="color: rgba(247,247,249,0);"><?php echo date("Y-m-d H:i:s")." ".getconstStr('Week')[date("w")]." ".$_SERVER['REMOTE_ADDR'];?></div>
 </body>
 <?php if ($files) { ?>
-<?php if ($head||$readme) { ?><link rel="stylesheet" href="//unpkg.zhimg.com/github-markdown-css@3.0.1/github-markdown.css">
+<?php if (isset($files['children']['head.md'])||isset($files['children']['readme.md'])) { ?><link rel="stylesheet" href="//unpkg.zhimg.com/github-markdown-css@3.0.1/github-markdown.css">
 <script type="text/javascript" src="//unpkg.zhimg.com/marked@0.6.2/marked.min.js"></script><?php } ?>
 <?php if (isset($files['folder']) && $_SERVER['is_guestup_path'] && !$_SERVER['admin']) { ?><script type="text/javascript" src="//cdn.bootcss.com/spark-md5/3.0.0/spark-md5.min.js"></script><?php } ?>
 <?php if ($pdfurl!='') { ?><script src="//cdn.bootcss.com/pdf.js/2.3.200/pdf.min.js"></script><?php } ?>
@@ -556,23 +540,12 @@
         e.innerHTML += paths[paths.length - 1];
         e.innerHTML = e.innerHTML.replace(/\s\/\s$/, '')
     });
-    
     function changelanguage(str)
     {
         if (str=='Language') str = '';
         document.cookie='language='+str+'; path=/';
         location.href = location.href;
     }
-    var $head = document.getElementById('head');
-    if ($head) {
-        document.getElementById('head-div').parentNode.insertBefore(document.getElementById('head-div'),document.getElementById('list-div'));
-        $head.innerHTML = marked(document.getElementById('head-md').innerText);
-        
-    }
-    var $readme = document.getElementById('readme');
-    if ($readme) {
-        $readme.innerHTML = marked(document.getElementById('readme-md').innerText);
-    }
 <?php
     if (isset($_GET['preview'])) { //is preview mode. 在预览时处理 ?>
     var $url = document.getElementById('url');
@@ -685,6 +658,16 @@
     }
 <?php   }
     } else { // view folder. 不预览，即浏览目录时?>
+    var $head = document.getElementById('head');
+    if ($head) {
+        //document.getElementById('head-div').parentNode.insertBefore(document.getElementById('head-div'),document.getElementById('list-div'));
+        $head.innerHTML = marked(document.getElementById('head-md').innerText);
+        
+    }
+    var $readme = document.getElementById('readme');
+    if ($readme) {
+        $readme.innerHTML = marked(document.getElementById('readme-md').innerText);
+    }
     function showthumbnails(obj) {
         var files=document.getElementsByName('filelist');
         for ($i=0;$i<files.length;$i++) {