diff --git a/web/template/syzoj/problem.php b/web/template/syzoj/problem.php
index 25f8109..22ee42c 100644
--- a/web/template/syzoj/problem.php
+++ b/web/template/syzoj/problem.php
@@ -147,7 +147,26 @@ if ($pr_flag) {
           <?php
           // echo $row['description'];
           echo trans_md($row['description']);
+          if (isset($_SESSION[$OJ_NAME . '_' . 'administrator']) || isset($_SESSION[$OJ_NAME . '_' . "p" . $row['problem_id']])) {
+            // Only administrators or problem managers can see the source code toggle
+            echo '<div class="ui accordion" style="margin-top: 15px;">
+              <div class="title">
+                <i class="dropdown icon"></i>
+                ' . $MSG_ADMIN_ONLY . ' - ' . $MSG_DESCRIPTION . ' ' . $MSG_SOURCE_CODE . '
+              </div>
+              <div class="content">
+                <pre style="overflow: auto; max-height: 300px; border: 1px solid #ddd; padding: 10px; background-color: #f5f5f5;">' . 
+                  htmlspecialchars($row['description'], ENT_QUOTES, 'UTF-8') . 
+                '</pre>
+              </div>
+            </div>';
+          }
           ?>
+          <script>
+            $(document).ready(function() {
+              $('.ui.accordion').accordion();
+            });
+          </script>
         </div>
       </div>
     </div>