diff --git a/public/themes/website/1/zh/demo/components/header.html b/public/themes/website/1/zh/demo/components/header.html
index a73116d..3ff37c0 100644
--- a/public/themes/website/1/zh/demo/components/header.html
+++ b/public/themes/website/1/zh/demo/components/header.html
@@ -363,13 +363,13 @@
                                         {hcTaglib:category id="364" item="vo"  field="*"}
                                         {php}
                                         $zhanhui_and_activity = $vo;
-                                        $thumbnail_url = $vo['thumbnail']['url'] ?? '';
+                                        $thumbnail_url_header = $vo['thumbnail']['url'] ?? '';
                                         {/php}
                                         {/hcTaglib:category}
                                         <a class="nav-mega__promo" href="{$zhanhui_and_activity.alias}">
                                             <div class="nav-mega__promo-media">
                                                 <img
-                                                    src="{$thumbnail_url}"
+                                                    src="{$thumbnail_url_header}"
                                                     alt=""
                                                     width="320"
                                                     height="200"