diff --git a/functions.php b/functions.php
index dfab6c8..8b3a693 100644
--- a/functions.php
+++ b/functions.php
@@ -1565,29 +1565,15 @@ function html_tag_parser($content) {
         if (preg_match_all('/\!\{.*?\)\[.*?\]/i', $content,$matches)){
         $i=0;
         if ($i<sizeof($matches)) {
-            $content=str_replace($matches[$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>',
-                    $matches[$i]),
-                $content);
+            $content=str_replace(
+                $matches[$i],
+                preg_replace('/!\{([^\{\}]+)*\}\('.$url_regex.'\)\['.$url_regex.'\]/i','<a href="$2"><img src="$7" alt="$1" title="$1"></a>',$matches[$i]),
+                $content
+            );
             $i++;
             }
         }
-        $content=preg_replace(
-            '/!\{([^\{\}]+)*\}\('.$url_regex.'\)/i',
-            '<a data-fancybox="gallery" 
-                data-caption="$1"
-                class="fancybox"
-                href="$2"
-                alt="$1" 
-                title="$1"><img src="$2" target="_blank" rel="nofollow" class="fancybox"></a>',
-            $content
-        );
+        $content=preg_replace('/!\{([^\{\}]+)*\}\('.$url_regex.'\)/i','<a href="$2"><img src="$2" alt="$1" title="$1"></a>',$content);
         
         //Github cards
         $content=preg_replace(
@@ -1646,7 +1632,7 @@ function change_avatar($avatar){
 // default feature image
 function DEFAULT_FEATURE_IMAGE() {
     if ( empty( akina_option('default_feature_image' )) ) {
-        return get_template_directory_uri().'/feature/index.php?'.rand(1,1000);
+        return rest_url('sakura/v1/image/feature').'?'.rand(1,1000);
         //return 'https://api.mashiro.top/feature/?'.rand(1,1000);
     } else {
         return akina_option('default_feature_image').'?'.rand(1,1000);
diff --git a/inc/api.php b/inc/api.php
index 9cb0ca8..a175108 100644
--- a/inc/api.php
+++ b/inc/api.php
@@ -12,6 +12,14 @@ add_action('rest_api_init', function () {
         'methods' => 'GET',
         'callback' => 'cache_search_json',
     ));
+    register_rest_route('sakura/v1', '/image/cover', array(
+        'methods' => 'GET',
+        'callback' => 'cover_gallery',
+    ));
+    register_rest_route('sakura/v1', '/image/feature', array(
+        'methods' => 'GET',
+        'callback' => 'feature_gallery',
+    ));
 });
 
 /**
@@ -262,3 +270,31 @@ EOS;
 
     return $result;
 }
+
+/*
+ * 随机封面图 rest api
+ * @rest api接口路径：https://sakura.2heng.xin/wp-json/sakura/v1/image/cover
+ */
+function cover_gallery() {
+    $img_array = glob(get_wp_root_path(). "/themes/Sakura/cover/gallery/*.{gif,jpg,png}",GLOB_BRACE);
+    $img = array_rand($img_array);
+    $imgurl = $img_array[$img];
+    $mimetype = end(getimagesize($imgurl));
+    $imgdata = file_get_contents($imgurl);
+    header("Content-type: ".$mimetype);
+    echo $imgdata;
+}
+
+/*
+ * 随机文章特色图 rest api
+ * @rest api接口路径：https://sakura.2heng.xin/wp-json/sakura/v1/image/feature
+ */
+function feature_gallery() {
+    $img_array = glob(get_wp_root_path(). "/themes/Sakura/feature/gallery/*.{gif,jpg,png}",GLOB_BRACE);
+    $img = array_rand($img_array);
+    $imgurl = $img_array[$img];
+    $mimetype = end(getimagesize($imgurl));
+    $imgdata = file_get_contents($imgurl);
+    header("Content-type: ".$mimetype);
+    echo $imgdata;
+}
\ No newline at end of file
diff --git a/inc/decorate.php b/inc/decorate.php
index 6389b26..538293f 100644
--- a/inc/decorate.php
+++ b/inc/decorate.php
@@ -82,7 +82,7 @@ if ( akina_option('toggle-menu') == 'no') { ?>
 if (akina_option('cover_img')) {
     $imgurl = akina_option('cover_img');
 } else {
-    $imgurl = get_site_url()."/wp-content/themes/Sakura/cover/index.php";
+    $imgurl = rest_url('sakura/v1/image/cover');
 }
 
 
diff --git a/inc/swicher.php b/inc/swicher.php
index f2ec4d0..258eb3f 100644
--- a/inc/swicher.php
+++ b/inc/swicher.php
@@ -75,7 +75,7 @@ mashiro_option.float_player_on = true;
 if (akina_option('cover_img')) {
     $imgurl = akina_option('cover_img');
 } else {
-    $imgurl = get_site_url()."/wp-content/themes/Sakura/cover/index.php";
+    $imgurl = rest_url('sakura/v1/image/cover');
 } ?>
 mashiro_option.cover_api = "<?php echo $imgurl; ?>";
 
diff --git a/inc/theme_plus.php b/inc/theme_plus.php
index c554094..115b200 100644
--- a/inc/theme_plus.php
+++ b/inc/theme_plus.php
@@ -44,7 +44,7 @@ function get_avatar_profile_url(){
  */
 function get_random_bg_url(){
     if ( empty( akina_option('default_feature_image' )) ) {
-        return get_template_directory_uri().'/feature/index.php?'.rand(1,1000);
+        return rest_url('sakura/v1/image/feature').'?'.rand(1,1000);
     } else {
         return akina_option('default_feature_image').'?'.rand(1,1000);
     }