diff --git a/layouts/partials/extend_footer.html b/layouts/partials/extend_footer.html
index 59043af97..aa8bf2921 100644
--- a/layouts/partials/extend_footer.html
+++ b/layouts/partials/extend_footer.html
@@ -2,9 +2,9 @@
 京ICP备13029522号-2</a></span>
 </footer>
 
-<script src="https://liudon.com/analytics/vue.js" async></script>
-<script src="//tokinx.github.io/ViewImage/view-image.min.js" async></script>
-<script>
+<script src="//liudon.com/analytics/vue.js" defer></script>
+<script src="//tokinx.github.io/ViewImage/view-image.min.js" defer></script>
+<script defer>
   window.ViewImage && ViewImage.init('.post-content img');
   window.dataLayer = window.dataLayer || [];
   function gtag(){dataLayer.push(arguments);}