diff --git a/web/admin/problem_add.php b/web/admin/problem_add.php
index dbd26e5..e677422 100644
--- a/web/admin/problem_add.php
+++ b/web/admin/problem_add.php
@@ -20,7 +20,6 @@ $description = $_POST['description'];
 //$description = str_replace("<p>", "", $description); 
 //$description = str_replace("</p>", "<br />", $description);
 $description = str_replace(",", "&#44;", $description); 
-$description = str_replace("\n\n", "\n<br/>", $description); 
 
 $input = $_POST['input'];
 //$input = str_replace("<p>", "", $input); 
diff --git a/web/admin/problem_add_page.php b/web/admin/problem_add_page.php
index 30f7c3f..5fda0b0 100644
--- a/web/admin/problem_add_page.php
+++ b/web/admin/problem_add_page.php
@@ -16,7 +16,7 @@ if (!(isset($_SESSION[$OJ_NAME . '_' . 'administrator']) || isset($_SESSION[$OJ_
   <meta http-equiv="Content-Type" content="text/html; charset=utf-8">
   <title>Problem Add</title>
 </head>
-<pre?php echo "<center><h3>" .$MSG_PROBLEM."-".$MSG_ADD."</h3>
+<?php echo "<center><h3>" .$MSG_PROBLEM."-".$MSG_ADD."</h3>
   </center>";
   include_once("kindeditor.php") ;
   $source=pdo_query("select source from problem order by problem_id desc limit 1"); //默认续用最后一次的分类标签
@@ -49,7 +49,8 @@ if (!(isset($_SESSION[$OJ_NAME . '_' . 'administrator']) || isset($_SESSION[$OJ_
         < align=left>
           <?php echo "<h4>" . $MSG_Description . "(<64kB)</h4>" ?>
           <textarea class="kindeditor" rows=13 name=description cols=80><span class='md auto_select'>
-    <br><br>
+
+
     </span></textarea><br>
           </p>
           <p align=left>
diff --git a/web/admin/problem_edit.php b/web/admin/problem_edit.php
index 95e03ab..6cd24a4 100644
--- a/web/admin/problem_edit.php
+++ b/web/admin/problem_edit.php
@@ -61,7 +61,7 @@ include_once("kindeditor.php") ;
         </p>
       <p align=left>
         <?php echo "<h4>".$MSG_Description."</h4>"?>
-        <textarea class="kindeditor" rows=13 name=description cols=80><?php echo $row['description']?></textarea><br>
+        <textarea class="kindeditor" rows=13 name=description cols=80><?php echo htmlentities($row['description'],ENT_QUOTES,"UTF-8")?></textarea><br>
       </p>
 
       <p align=left>
@@ -237,7 +237,6 @@ include_once("kindeditor.php") ;
      // $description = str_replace("<p>", "", $description);
      // $description = str_replace("</p>", "<br />", $description);
       $description = str_replace(",", "&#44;", $description);
-      $description = str_replace("\n\n", "\n<br/>", $description); 
 
       $input = $_POST['input'];
      // $input = str_replace("<p>", "", $input);