diff --git a/layout/_partial/comment/gitalk.ejs b/layout/_partial/comment/gitalk.ejs
index d3136c8..6ca6b19 100644
--- a/layout/_partial/comment/gitalk.ejs
+++ b/layout/_partial/comment/gitalk.ejs
@@ -5,9 +5,9 @@
         && theme.comment.gitalk.github_id
         && theme.comment.gitalk.repository
 ) { %>
+    <div id="gitalk-container"></div>
     <script <%= theme.pjax.enable === true ? 'data-pjax' : '' %>
             src="//cdn.jsdelivr.net/npm/gitalk/dist/gitalk.min.js"></script>
-    <div id="gitalk-container"></div>
     <script <%= theme.pjax.enable === true ? 'data-pjax' : '' %>>
 
         function loadGitalk() {
@@ -17,7 +17,7 @@
             if (__gitalk__pathnameLength > __gitalk__pathnameMaxLength) {
                 __gitalk__pathname = __gitalk__pathname.substring(0, __gitalk__pathnameMaxLength - 3) + '...';
             }
-            new Gitalk({
+            Gitalk && new Gitalk({
                 clientID: '<%= theme.comment.gitalk.client_id %>',
                 clientSecret: '<%= theme.comment.gitalk.client_secret %>',
                 repo: '<%= theme.comment.gitalk.repository %>',