diff --git a/functions.php b/functions.php
index afa99cf..1e90aab 100644
--- a/functions.php
+++ b/functions.php
@@ -565,7 +565,7 @@ function get_link_items(){
  */
 function gravatar_cn( $url ){ 
 	$gravatar_url = array('0.gravatar.com','1.gravatar.com','2.gravatar.com','secure.gravatar.com');
-	return str_replace( $gravatar_url, 'gravatar.shino.cc', $url );
+	return str_replace( $gravatar_url, 'cn.gravatar.com', $url );
 }
 add_filter( 'get_avatar_url', 'gravatar_cn', 4 );
 
@@ -763,7 +763,7 @@ function custom_html() {
 	if ( akina_option('login_bg') ) {
 		$loginbg = akina_option('login_bg'); 
 	}else{
-		$loginbg = get_bloginfo('template_directory').'/images/hd.png';
+		$loginbg = 'https://cdn.jsdelivr.net/gh/mashirozx/Sakura@3.2.7/images/hd.png';
 	}
 	echo '<script type="text/javascript" src="'.get_site_url().'/wp-content/themes/Sakura/js/login.js"></script>'."\n";
 	echo '<script type="text/javascript">'."\n";
@@ -1520,25 +1520,31 @@ function html_tag_parser($content) {
                 "<img $1 class=\"lazyload\" data-src=\"$2\" src=\"".akina_option('lazyload_spinner')."\" onerror=\"imgError(this)\" $3 >\n<noscript>$0</noscript>",
                 $content
             ); 
-        }
+        } 
         
         //Fancybox
         /* Markdown Regex Pattern for Matching URLs:             
          * https://daringfireball.net/2010/07/improved_regex_for_matching_urls
          */
-        $url_regex ='(((http|https):\/\/)?(\w(\:\w)?@)?([0-9a-z_-]+\.)*?([a-z0-9-]+\.[a-z]{2,6}(\.[a-z]{2})?(\:[0-9]{2,6})?)((\/[^?#<>\/\\*":]*)+(\?[^#]*)?(#.*)?)?)';
+        $url_regex ='((?:https?:\/\/|www\d{0,3}[.]|[a-z0-9.\-]+[.][a-z]{2,4}\/)(?:[^\s()<>]+|\(([^\s()<>]+|(\([^\s()<>]+\)))*\))+(?:\(([^\s()<>]+|(\([^\s()<>]+\)))*\)|[^\s`!()\[\]{};:\'".,<>?«»“”‘’]))';
         
         //With Thumbnail: !{alt}(url)[th_url]
-        $content=preg_replace(
-            '/!\{([^\{\}]+)*\}\('.$url_regex.'\)\['.$url_regex.'\]/i',
-            '<a data-fancybox="gallery" 
-                data-caption="$1"
-                class="fancybox" 
-                href="$2" 
-                alt="$1" 
-                title="$1"><img src="$15" target="_blank" rel="nofollow" class="fancybox"></a>',
-            $content
-        ); 
+        if (preg_match_all('/\!\{.*?\)\[.*?\]/i', $content,$matches)){
+        $i=0;
+        foreach ($matches as $val) {
+            $content=str_replace($val[$i],preg_replace(
+                    '/!\{([^\{\}]+)*\}\('.$url_regex.'\)\['.$url_regex.'\]/i',
+                    '<a data-fancybox="gallery" 
+                        data-caption="$1"
+                        class="fancybox" 
+                        href="$2" 
+                        alt="$1" 
+                        title="$1"><img src="$7" target="_blank" rel="nofollow" class="fancybox"></a>',
+                    $val[$i]),
+                $content);
+            $i++;
+            }
+        }
         
         //Without Thumbnail :!{alt}(url)
         $content=preg_replace(
diff --git a/inc/swicher.php b/inc/swicher.php
index 030814f..508c686 100644
--- a/inc/swicher.php
+++ b/inc/swicher.php
@@ -60,6 +60,7 @@ mashiro_option.entry_content_theme_src = "<?php echo get_template_directory_uri(
 <?php }elseif(akina_option('entry_content_theme') == "github") {?>
 mashiro_option.entry_content_theme_src = "<?php echo get_template_directory_uri() ?>/cdn/theme/github.css?<?php echo SAKURA_VERSION.akina_option('cookie_version', ''); ?>";
 <?php } ?>
+mashiro_option.entry_content_theme = "<?php echo akina_option('entry_content_theme'); ?>";
 
 <?php if(akina_option('jsdelivr_cdn_test')){ ?>
 mashiro_option.jsdelivr_css_src = "<?php echo get_template_directory_uri() ?>/cdn/css/lib.css?<?php echo SAKURA_VERSION.akina_option('cookie_version', ''); ?>";
@@ -81,4 +82,4 @@ mashiro_option.cover_api = "<?php echo $imgurl; ?>";
 /*End of Initial Variables*/
 </script>
 <?php }
-add_action('wp_head', 'font_end_js_control');
\ No newline at end of file
+add_action('wp_head', 'font_end_js_control');
diff --git a/js/sakura-app.js b/js/sakura-app.js
index 72c41e3..1a7e4b4 100644
--- a/js/sakura-app.js
+++ b/js/sakura-app.js
@@ -555,7 +555,7 @@ function tableOfContentScroll(flag) {
     } else {
         if (flag) {
             var id = 1,
-                heading_fix=$("article").hasClass("type-post") ? $("div").hasClass("pattern-attachment-img") ? -75 : 200 : 375;
+                heading_fix = mashiro_option.entry_content_theme == "sakura" ? $("article").hasClass("type-post") ? $("div").hasClass("pattern-attachment-img") ? -75 : 200 : 375 : window.innerHeight / 2;
             $(".entry-content , .links").children("h1,h2,h3,h4,h5").each(function() {
                 var hyphenated = "toc-head-" + id;
                 this.id = hyphenated;