diff --git a/common.php b/common.php
index 5453e4e..33fe6e4 100644
--- a/common.php
+++ b/common.php
@@ -1797,6 +1797,13 @@ function render_list($path = '', $files = '')
                 $tmp = splitfirst($tmp[1], '<!--LoginEnd-->');
                 $html .= $tmp[1];
             }
+            $tmp[1] = 'a';
+            while ($tmp[1]!='') {
+                $tmp = splitfirst($html, '<!--GuestStart-->');
+                $html = $tmp[0];
+                $tmp = splitfirst($tmp[1], '<!--GuestEnd-->');
+                $html .= $tmp[1];
+            }
             while (strpos($html, '<!--AdminStart-->')) {
                 $html = str_replace('<!--AdminStart-->', '', $html);
                 $html = str_replace('<!--AdminEnd-->', '', $html);
@@ -1837,6 +1844,8 @@ function render_list($path = '', $files = '')
                     $html .= $tmp[1];
                 }
             }
+            while (strpos($html, '<!--GuestStart-->')) $html = str_replace('<!--GuestStart-->', '', $html);
+            while (strpos($html, '<!--GuestEnd-->')) $html = str_replace('<!--GuestEnd-->', '', $html);
         }
 
         if ($_SERVER['is_guestup_path']&&!$_SERVER['admin']) {
diff --git a/theme/classic.html b/theme/classic.html
index f1a9240..a3a21f7 100644
--- a/theme/classic.html
+++ b/theme/classic.html
@@ -903,19 +903,19 @@
                         reader.readAsArrayBuffer(blob);
                     }
                     readblob(asize);
-<!--LoginStart-->
+<!--GuestStart-->
                     var spark = new SparkMD5.ArrayBuffer();
-<!--LoginEnd-->
+<!--GuestEnd-->
                     reader.onload = function(e){
                         var binary = this.result;
-<!--LoginStart-->
+<!--GuestStart-->
                         spark.append(binary);
                         if (asize < newstartsize) {
                             asize += chunksize;
                             readblob(asize);
                             return;
                         }
-<!--LoginEnd-->
+<!--GuestEnd-->
                         var xhr = new XMLHttpRequest();
                         xhr.open("PUT", url, true);
                         //xhr.setRequestHeader('x-requested-with','XMLHttpRequest');
@@ -942,7 +942,7 @@
                                 xhr3.onload = function(e){
                                     console.log(xhr3.responseText+','+xhr3.status);
                                 }
-<!--LoginStart-->
+<!--GuestStart-->
                                 var filemd5 = spark.end();
                                 var xhr4 = new XMLHttpRequest();
                                 xhr4.open("GET", '?action=uploaded_rename&filename='+encodeURIComponent((file.webkitRelativePath||file.name))+'&filemd5='+filemd5);
@@ -967,7 +967,7 @@
                                     document.getElementById('upfile_a1_'+tdnum).href = filename;
                                     document.getElementById('upfile_cpbt_'+tdnum).style.display = "";
                                 }
-<!--LoginEnd-->
+<!--GuestEnd-->
                                 EndTime=new Date();
                                 MiddleStr = '<!--constStr@EndAt-->:'+EndTime.toLocaleString()+'<br>';
                                 if (newstartsize==0) {
diff --git a/theme/onemoe.html b/theme/onemoe.html
index 59733e9..161d0e9 100644
--- a/theme/onemoe.html
+++ b/theme/onemoe.html
@@ -877,19 +877,19 @@
                         reader.readAsArrayBuffer(blob);
                     }
                     readblob(asize);
-<!--LoginStart-->
+<!--GuestStart-->
                     var spark = new SparkMD5.ArrayBuffer();
-<!--LoginEnd-->
+<!--GuestEnd-->
                     reader.onload = function(e){
                         var binary = this.result;
-<!--LoginStart-->
+<!--GuestStart-->
                         spark.append(binary);
                         if (asize < newstartsize) {
                             asize += chunksize;
                             readblob(asize);
                             return;
                         }
-<!--LoginEnd-->
+<!--GuestEnd-->
                         var xhr = new XMLHttpRequest();
                         xhr.open("PUT", url, true);
                         //xhr.setRequestHeader('x-requested-with','XMLHttpRequest');
@@ -916,7 +916,7 @@
                                 xhr3.onload = function(e){
                                     console.log(xhr3.responseText+','+xhr3.status);
                                 }
-<!--LoginStart-->
+<!--GuestStart-->
                                 var filemd5 = spark.end();
                                 var xhr4 = new XMLHttpRequest();
                                 xhr4.open("GET", '?action=uploaded_rename&filename='+encodeURIComponent((file.webkitRelativePath||file.name))+'&filemd5='+filemd5);
@@ -941,7 +941,7 @@
                                     document.getElementById('upfile_a1_'+tdnum).href = filename;
                                     document.getElementById('upfile_cpbt_'+tdnum).style.display = "";
                                 }
-<!--LoginEnd-->
+<!--GuestEnd-->
                                 EndTime=new Date();
                                 MiddleStr = '<!--constStr@EndAt-->:'+EndTime.toLocaleString()+'<br>';
                                 if (newstartsize==0) {