diff --git a/layout/_layout.njk b/layout/_layout.njk
index 0b03592..78ae5cd 100644
--- a/layout/_layout.njk
+++ b/layout/_layout.njk
@@ -45,7 +45,7 @@
   {{ partial('_third-party/index.njk', {}, {cache: theme.cache.enable}) }}
 
   {%- if theme.pjax %}
-    <div id="pjax">
+    <div class="pjax">
   {%- endif %}
   {% include '_third-party/math/index.njk' %}
   {% include '_third-party/quicklink.njk' %}
diff --git a/layout/_partials/head/head-unique.njk b/layout/_partials/head/head-unique.njk
index 16e4179..7aa8308 100644
--- a/layout/_partials/head/head-unique.njk
+++ b/layout/_partials/head/head-unique.njk
@@ -3,7 +3,7 @@
 {{ canonical() }}
 
 {# Exports some front-matter variables to Front-End #}
-<script{{ pjax }} id="page-configurations">
+<script{{ pjax }} class="page-configurations">
   // https://hexo.io/docs/variables.html
   CONFIG.page = {
     sidebar: {{ page.sidebar | safedump }},
diff --git a/layout/_scripts/pjax.njk b/layout/_scripts/pjax.njk
index 0ac4d78..be26c1f 100644
--- a/layout/_scripts/pjax.njk
+++ b/layout/_scripts/pjax.njk
@@ -2,11 +2,11 @@
 var pjax = new Pjax({
   selectors: [
     'head title',
-    '#page-configurations',
+    '.page-configurations',
     '.main-inner',
     '.post-toc-wrap',
     '.languages',
-    '#pjax'
+    '.pjax'
   ],
   analytics: false,
   cacheBust: false,
@@ -14,7 +14,7 @@ var pjax = new Pjax({
 });
 
 document.addEventListener('pjax:success', () => {
-  pjax.executeScripts(document.querySelectorAll('script[data-pjax], #pjax script'));
+  pjax.executeScripts(document.querySelectorAll('script[data-pjax], .pjax script'));
   NexT.boot.refresh();
   // Define Motion Sequence & Bootstrap Motion.
   if (CONFIG.motion.enable) {
diff --git a/scripts/helpers/next-config.js b/scripts/helpers/next-config.js
index bfeb46c..a4596c2 100644
--- a/scripts/helpers/next-config.js
+++ b/scripts/helpers/next-config.js
@@ -38,7 +38,7 @@ hexo.extend.helper.register('next_config', function() {
   if (config.search) {
     exportConfig.path = config.search.path;
   }
-  return `<script id="hexo-configurations">
+  return `<script class="hexo-configurations">
     var NexT = window.NexT || {};
     var CONFIG = ${JSON.stringify(exportConfig)};
   </script>`;