diff --git a/footer.php b/footer.php
index aa23d38..18b9928 100755
--- a/footer.php
+++ b/footer.php
@@ -41,7 +41,7 @@
 
 <?php wp_footer(); ?>
 <script data-no-instant>
-    (function ($) {
+    (function () {
         <?php if ( is_user_logged_in() ) { ?>
         $('#wpadminbar').attr('data-no-instant', '')
         <?php } ?>
@@ -84,13 +84,13 @@
                 <?php }?>
             }
         });
-    })(jQuery);
+    })();
     <?php if (get_theme_mod('biji_setting_footInfo')) {
         echo get_theme_mod('biji_setting_footInfo') . "\n";
     }
     if(!get_theme_mod('biji_setting_pjax')){ ?>
     InstantClick.on('change', function (isInitialLoad) {
-        jQuery.adamsOverload();
+        $.adamsOverload();
         if (isInitialLoad === false) {
             // support MathJax
             if (typeof MathJax !== 'undefined') MathJax.Hub.Queue(["Typeset", MathJax.Hub]);
diff --git a/functions.php b/functions.php
index b8bc8e5..25040ef 100755
--- a/functions.php
+++ b/functions.php
@@ -183,6 +183,11 @@ function dangopress_esc_html($content)
     function dangopress_esc_callback($matches)
     {
         $tag_open = $matches[1];
+        # 前面函数的正则表达式有点粗暴，可能会导致存在多个class，
+        # 所以，如果存在多个就把前面加的class删掉。
+        if ( substr_count($tag_open, "class=") > 1 ){
+            $tag_open = str_replace(' class="prettyprint" ', " ", $tag_open);
+        }
         $content = $matches[2];
         $tag_close = $matches[3];
         //$content = htmlspecialchars($content, ENT_NOQUOTES, bloginfo('charset'));
diff --git a/inc/content.php b/inc/content.php
index 19c3bbc..6c72aff 100755
--- a/inc/content.php
+++ b/inc/content.php
@@ -1,6 +1,6 @@
 <!-- Content -->
 <section class="container">
-    <article class="post_article" itemscope itemtype="https://schema.org/Article">
+    <article class="post_article post" itemscope itemtype="https://schema.org/Article">
         <?php if (have_posts()) while (have_posts()) {
             the_post();
             the_content();