diff --git a/layouts/partials/page_footer.html b/layouts/partials/page_footer.html
index 24ce455..1ad0e41 100644
--- a/layouts/partials/page_footer.html
+++ b/layouts/partials/page_footer.html
@@ -60,6 +60,10 @@
     if (!enableTocScroll) {
       return
     }
+    if (!document.querySelector('.toc')) {
+      console.log('no toc found, ignore toc scroll')
+      return
+    }
     // console.log('enable toc scroll')
 
     // always get an array here