diff --git a/public/themes/simpleboot3/portal/index/index.html b/public/themes/simpleboot3/portal/index/index.html
index 0dd2144..79d16be 100644
--- a/public/themes/simpleboot3/portal/index/index.html
+++ b/public/themes/simpleboot3/portal/index/index.html
@@ -45,7 +45,7 @@
                     <a href="nav_class.html">
                         <li>
                             <div class="in_navImg">
-                                <img src="{:cmf_get_image_url({$vo.thumbnail})}" alt="">
+                                <img src="{:cmf_get_image_url($vo.thumbnail)}" alt="">
                             </div>
                             <p class="in_navTxt">{$vo.name}</p>
                         </li>