diff --git a/docs/_layouts/default.html b/docs/_layouts/default.html
index 395116d8b..4d8e21325 100644
--- a/docs/_layouts/default.html
+++ b/docs/_layouts/default.html
@@ -111,7 +111,7 @@
             <script src="https://imsun.github.io/gitment/dist/gitment.browser.js"></script>
             <script>
             var gitment = new Gitment({
-              id: location.href, // 可选。默认为 location.href
+              id: '<%= page.title %>', // 可选。默认为 location.href
               owner: 'wsdjeg',
               repo: 'SpaceVim-comments',
               oauth: {