diff --git a/templates/modules/macro/navbar.html b/templates/modules/macro/navbar.html
index e78e7f7..c8b89a1 100644
--- a/templates/modules/macro/navbar.html
+++ b/templates/modules/macro/navbar.html
@@ -210,7 +210,7 @@
     <div class="joe_header__toc-wrap">
       <div class="toc_top">
         <h3>目 录<span>CONTENT</span></h3>
-        <img width="100%" height="150" th:src="@{/assets/img/context_bg.png}"  alt="文章目录">
+        <img width="100%" height="150" th:src="${theme.config.blogger.author_bg?:'/themes/theme-Joe3/assets/img/context_bg.png'}"  alt="文章目录">
       </div>
       <div id="js-toc-mobile" class="toc"></div>
     </div>