diff --git a/layout/common/article.ftl b/layout/common/article.ftl
index 7cd0443..f6dccb0 100644
--- a/layout/common/article.ftl
+++ b/layout/common/article.ftl
@@ -4,15 +4,15 @@
     <div class="card" <#if is_post??>style="display: block"</#if> >
         <#if is_post?? || is_page?? || is_sheet??>
         <#else >
-            <#if post.thumbnail?? && post.thumbnail!='' && (settings.post_thumbnail_enable?? && settings.post_thumbnail_enable)>
+            <#if check_post_thumbnail_enable()>
                 <div class="card-image is-hidden-mobile">
                     <#if index>
                         <a href="${post.fullPath!}">
-                            <img class="thumbnail" src="${post.thumbnail!}" alt="${post.title!}">
+                            <img class="thumbnail" src="${post_thumbnail_url(post.thumbnail!'')}" alt="${post.title!}">
                         </a>
                     <#else>
                         <span class="image is-7by1">
-                            <img class="thumbnail" src="${post.thumbnail!}" alt="${post.title!}">
+                            <img class="thumbnail" src="${post_thumbnail_url(post.thumbnail!'')}" alt="${post.title!}">
                         </span>
                     </#if>
                 </div>
diff --git a/layout/common/head.ftl b/layout/common/head.ftl
index eaa043d..c7026b3 100644
--- a/layout/common/head.ftl
+++ b/layout/common/head.ftl
@@ -5,4 +5,26 @@
     <#else>
         <#assign theme_base = settings.theme_static_base>
     </#if>
-</#if>
\ No newline at end of file
+</#if>
+
+<#function check_post_thumbnail_enable>
+    <#return (settings.post_thumbnail_enable?? && settings.post_thumbnail_enable != 'false')>
+</#function>
+
+<#assign time_count = 0>
+<#function post_thumbnail_url src>
+    <#assign time_count = time_count + 1>
+    <#if check_post_thumbnail_enable()>
+        <#assign timestamp = .now?long + time_count>
+        <#assign random_pic = timestamp?substring(timestamp?length - 1) + ".jpg">
+        <#if settings.post_thumbnail_enable == 'true'>
+            <#if src != ''>
+                <#return src>
+            <#else>
+                <#return theme_base + "/source/images/cover/" + random_pic>
+            </#if>
+        <#elseif settings.post_thumbnail_enable == 'random_pic'>
+            <#return theme_base + "/source/images/cover/" + random_pic>
+        </#if>
+    </#if>
+</#function>
\ No newline at end of file
diff --git a/layout/plugin/style.theme.ftl b/layout/plugin/style.theme.ftl
index 4b8f1ef..5999b1d 100644
--- a/layout/plugin/style.theme.ftl
+++ b/layout/plugin/style.theme.ftl
@@ -1,5 +1,14 @@
-
 <style>
+    <#if settings.site_gray!false>
+    html {
+        -webkit-filter: grayscale(100%);
+        -moz-filter: grayscale(100%);
+        -ms-filter: grayscale(100%);
+        -o-filter: grayscale(100%);
+        filter: progid:DXImageTransform.Microsoft.BasicImage(grayscale=1);
+        _filter: none;
+    }
+    </#if>
     :root {
         --color: #333333;
         --background: #f7f7f7;
diff --git a/layout/widget/cate_posts.ftl b/layout/widget/cate_posts.ftl
index 2d9f6c5..0b24390 100644
--- a/layout/widget/cate_posts.ftl
+++ b/layout/widget/cate_posts.ftl
@@ -8,10 +8,10 @@
             <#list posts as post>
                 <#if post_index lt 3>
                 <article class="media">
-                    <#if post.thumbnail?? && post.thumbnail!='' && (settings.post_thumbnail_enable?? && settings.post_thumbnail_enable)>
+                    <#if check_post_thumbnail_enable()>
                         <a href="${post.fullPath!}" class="media-left">
                             <p class="image is-64x64">
-                                <img class="thumbnail" src="${post.thumbnail!}" alt="${post.title!}">
+                                <img class="thumbnail" src="${post_thumbnail_url(post.thumbnail!'')}" alt="${post.title!}">
                             </p>
                         </a>
                     </#if>
diff --git a/layout/widget/recent_posts.ftl b/layout/widget/recent_posts.ftl
index b1dddf3..d992bc1 100644
--- a/layout/widget/recent_posts.ftl
+++ b/layout/widget/recent_posts.ftl
@@ -6,10 +6,10 @@
         <@postTag method="latest" top="5">
             <#list posts as post>
                 <article class="media">
-                    <#if post.thumbnail?? && post.thumbnail!='' && (settings.post_thumbnail_enable?? && settings.post_thumbnail_enable)>
+                    <#if check_post_thumbnail_enable()>
                         <a href="${post.fullPath!}" class="media-left">
                             <p class="image is-64x64">
-                                <img class="thumbnail" src="${post.thumbnail!}" alt="${post.title!}">
+                                <img class="thumbnail" src="${post_thumbnail_url(post.thumbnail!'')}" alt="${post.title!}">
                             </p>
                         </a>
                     </#if>
diff --git a/layout/widget/tag_posts.ftl b/layout/widget/tag_posts.ftl
index 46a0b44..0f9a479 100644
--- a/layout/widget/tag_posts.ftl
+++ b/layout/widget/tag_posts.ftl
@@ -8,10 +8,10 @@
             <#list posts as post>
                 <#if post_index lt 3>
                 <article class="media">
-                    <#if post.thumbnail?? && post.thumbnail!='' && (settings.post_thumbnail_enable?? && settings.post_thumbnail_enable)>
+                    <#if check_post_thumbnail_enable()>
                         <a href="${post.fullPath!}" class="media-left">
                             <p class="image is-64x64">
-                                <img class="thumbnail" src="${post.thumbnail!}" alt="${post.title!}">
+                                <img class="thumbnail" src="${post_thumbnail_url(post.thumbnail!'')}" alt="${post.title!}">
                             </p>
                         </a>
                     </#if>
diff --git a/photos.ftl b/photos.ftl
index 486eebd..73940c7 100644
--- a/photos.ftl
+++ b/photos.ftl
@@ -84,6 +84,7 @@
 <#include "./layout/plugin/back-to-top.ftl">
 
 </body>
+<script src="${settings.cdn_jquery_js!}"></script>
 <script src="${theme_base!}/source/lib/lg/js/lightgallery.min.js"></script>
 <script src="${theme_base!}/source/lib/lg/js/lg-thumbnail.min.js"></script>
 <script src="${theme_base!}/source/lib/lg/js/lg-fullscreen.min.js"></script>
@@ -107,7 +108,21 @@
             progressBar: true,
             selector: '.show'
         });
-    })
+    });
+
+    var url = location.href;
+    var urlstatus = false;
+    $(".navbar-start a").each(function () {
+        if ((url + '/').indexOf($(this).attr('href')) > -1 && $(this).attr('href') != '/') {
+            $(this).addClass('is-active');
+            urlstatus = true;
+        } else {
+            $(this).removeClass('is-active');
+        }
+    });
+    if (!urlstatus) {
+        $(".navbar-start a").eq(0).addClass('is-active');
+    }
 </script>
 <style>
     .card {
diff --git a/settings.yaml b/settings.yaml
index 00e3cb6..c0e154c 100644
--- a/settings.yaml
+++ b/settings.yaml
@@ -12,6 +12,17 @@ sidebar:
           label: 开启
         - value: false
           label: 关闭
+    site_gray:
+      name: site_gray
+      label: ※全站灰色背景※
+      type: radio
+      data-type: bool
+      default: false
+      options:
+        - value: true
+          label: 开启
+        - value: false
+          label: 关闭
     profile_follow_url:
       name: profile_follow_url
       label: 【关注我】按钮地址
@@ -129,10 +140,10 @@ sidebar:
           label: 关闭
     theme_static_base:
       name: theme_static_base
-      label: 主题静态文件URL前缀（静态文件和页面文件可分开布署）
+      label: 主题静态文件URL前缀（建议填写：//s.xinac.net）
       type: text
-      placeholder: '主题静态文件URL前缀，不知道无需填写'
-      default: '//s.xinac.net'
+      placeholder: '主题CDN URL，不知道无需填写'
+      default: ''
 
 post:
   label: 文章设置
@@ -214,14 +225,15 @@ post:
     post_thumbnail_enable:
       name: post_thumbnail_enable
       label: 显示文章封面图
-      type: radio
-      data-type: bool
-      default: true
+      type: select
+      default: 'true'
       options:
-        - value: true
-          label: 开启
-        - value: false
-          label: 关闭
+        - value: 'true'
+          label: '开启，无封面图时使用随机图片'
+        - value: 'random_pic'
+          label: '开启，全部使用随机图片'
+        - value: 'false'
+          label: '关闭'
 social:
   label: 博客信息
   items:
@@ -400,113 +412,113 @@ custom_cdn:
       name: cdn_jquery_js
       label: jQuery
       type: text
-      default: '//cdn.bootcss.com/jquery/3.4.1/jquery.min.js'
+      default: '//s.xinac.net/static/jquery/v3.5.0/jquery.min.js'
       placeholder: 'CDN网址'
     cdn_fontawesome_css:
       name: cdn_fontawesome_css
       label: fontawesome-css(Font Awesome图标字体库)
       type: text
-      default: '//cdn.bootcss.com/font-awesome/5.4.1/css/all.min.css'
+      default: '//s.xinac.net/static/font-awesome/v5.12.1/css/all.min.css'
       placeholder: 'CDN网址'
     cdn_busuanzi_js:
       name: cdn_busuanzi_js
       label: busuanzi(不蒜子网页计数器)
       type: text
-      default: '//busuanzi.ibruce.info/busuanzi/2.3/busuanzi.pure.mini.js'
+      default: '//s.xinac.net/static/busuanzi/v2.3.0/bsz.pure.mini.js'
       placeholder: 'CDN网址'
     cdn_canvas_nest_js:
       name: cdn_canvas_nest_js
       label: canvas-nest(线条)
       type: text
-      default: '//cdn.bootcss.com/canvas-nest.js/1.0.0/canvas-nest.min.js'
+      default: '//s.xinac.net/static/canvas-nest.js/v1.0.1/canvas-nest.min.js'
       placeholder: 'CDN网址'
     cdn_bulma_css:
       name: cdn_bulma_css
       label: bulma-css(Bulma框架)
       type: text
-      default: '//cdn.jsdelivr.net/npm/bulma@0.7.5/css/bulma.min.css'
+      default: '//s.xinac.net/static/bulma/v0.7.5/css/bulma.min.css'
       placeholder: 'CDN网址'
     cdn_pace_js:
       name: cdn_pace_js
       label: pace-js(浏览器加载效果插件)
       type: text
-      default: '//cdn.jsdelivr.net/npm/pace-js@1.0.2/pace.min.js'
+      default: '//s.xinac.net/static/pace/v1.0.2/pace.min.js'
       placeholder: 'CDN网址'
     cdn_vue_js:
       name: cdn_vue_js
       label: vue-js(VUE框架，评论模块用)
       type: text
-      default: '//cdn.jsdelivr.net/npm/vue@2.6.10/dist/vue.min.js'
+      default: '//s.xinac.net/static/vue/v2.6.11/vue.min.js'
       placeholder: 'CDN网址'
     cdn_swiper_js:
       name: cdn_swiper_js
       label: Swiper-js(触摸滑动插件)
       type: text
-      default: '//cdnjs.cloudflare.com/ajax/libs/Swiper/4.3.5/js/swiper.min.js'
+      default: '//s.xinac.net/static/Swiper/v4.3.5/js/swiper.min.js'
       placeholder: 'CDN网址'
     cdn_swiper_css:
       name: cdn_swiper_css
       label: Swiper-css(触摸滑动插件)
       type: text
-      default: '//cdnjs.cloudflare.com/ajax/libs/Swiper/4.3.5/css/swiper.min.css'
+      default: '//s.xinac.net/static/Swiper/v4.3.5/css/swiper.min.css'
       placeholder: 'CDN网址'
     cdn_mathjax_js:
       name: cdn_mathjax_js
       label: MathJax(数学公式支持插件)
       type: text
-      default: '//cdn.jsdelivr.net/npm/mathjax@2.7.5/unpacked/MathJax.js?config=TeX-MML-AM_CHTML'
+      default: '//s.xinac.net/static/mathjax/v2.7.5/unpacked/MathJax.js?config=TeX-MML-AM_CHTML'
       placeholder: 'CDN网址'
     cdn_aplayer_js:
       name: cdn_aplayer_js
       label: APlayer-js(音乐播放器)
       type: text
-      default: '//cdn.jsdelivr.net/npm/aplayer@1.10.1/dist/APlayer.min.js'
+      default: '//s.xinac.net/static/aplayer/v1.10.1/APlayer.min.js'
       placeholder: 'CDN网址'
     cdn_aplayer_css:
       name: cdn_aplayer_css
       label: APlayer-css(音乐播放器)
       type: text
-      default: '//cdn.jsdelivr.net/npm/aplayer@1.10.1/dist/APlayer.min.css'
+      default: '//s.xinac.net/static/aplayer/v1.10.1/APlayer.min.css'
       placeholder: 'CDN网址'
     cdn_meting_js:
       name: cdn_meting_js
       label: Meting-js(音乐播放器)
       type: text
-      default: '//cdn.jsdelivr.net/npm/meting@1.2.0/dist/Meting.min.js'
+      default: '//s.xinac.net/static/meting/v1.2.0/Meting.min.js'
       placeholder: 'CDN网址'
     cdn_justifiedGallery_js:
       name: cdn_justifiedGallery_js
       label: Justified Gallery-js(相册展示插件)
       type: text
-      default: '//cdn.jsdelivr.net/npm/justifiedGallery@3.7.0/dist/css/justifiedGallery.min.js'
+      default: '//s.xinac.net/static/justifiedGallery/v3.7.0/js/jquery.justifiedGallery.min.js'
       placeholder: 'CDN网址'
     cdn_justifiedGallery_css:
       name: cdn_justifiedGallery_css
       label: Justified Gallery-css(相册展示插件)
       type: text
-      default: '//cdn.jsdelivr.net/npm/justifiedGallery@3.7.0/dist/css/justifiedGallery.min.css'
+      default: '//s.xinac.net/static/justifiedGallery/v3.7.0/css/justifiedGallery.min.css'
       placeholder: 'CDN网址'
     cdn_lightgallery_js:
       name: cdn_lightgallery_js
       label: lightgallery-js(灯箱插件)
       type: text
-      default: '//cdn.jsdelivr.net/npm/lightgallery@1.6.8/dist/js/lightgallery.min.js'
+      default: '//s.xinac.net/static/lightgallery/v1.6.9/js/lightgallery.min.js'
       placeholder: 'CDN网址'
     cdn_lightgallery_css:
       name: cdn_lightgallery_css
       label: lightgallery-css(灯箱插件)
       type: text
-      default: '//cdn.jsdelivr.net/npm/lightgallery@1.6.8/dist/css/lightgallery.min.css'
+      default: '//s.xinac.net/static/lightgallery/v1.6.9/css/lightgallery.min.css'
       placeholder: 'CDN网址'
     cdn_share_js:
       name: cdn_share_js
       label: social-share-js(文章分享)
       type: text
-      default: '//cdn.jsdelivr.net/npm/social-share.js@1.0.16/dist/js/social-share.min.js'
+      default: '//s.xinac.net/static/social-share.js/v1.0.16/js/social-share.min.js'
       placeholder: 'CDN网址'
     cdn_share_css:
       name: cdn_share_css
       label: social-share-css(文章分享)
       type: text
-      default: '//cdn.jsdelivr.net/npm/social-share.js@1.0.16/dist/css/share.min.css'
+      default: '//s.xinac.net/static/social-share.js/v1.0.16/css/share.min.css'
       placeholder: 'CDN网址'
diff --git a/source/images/cover/0.jpg b/source/images/cover/0.jpg
new file mode 100644
index 0000000..c464909
Binary files /dev/null and b/source/images/cover/0.jpg differ
diff --git a/source/images/cover/1.jpg b/source/images/cover/1.jpg
new file mode 100644
index 0000000..e6d00bc
Binary files /dev/null and b/source/images/cover/1.jpg differ
diff --git a/source/images/cover/2.jpg b/source/images/cover/2.jpg
new file mode 100644
index 0000000..230442e
Binary files /dev/null and b/source/images/cover/2.jpg differ
diff --git a/source/images/cover/3.jpg b/source/images/cover/3.jpg
new file mode 100644
index 0000000..e5c6eda
Binary files /dev/null and b/source/images/cover/3.jpg differ
diff --git a/source/images/cover/4.jpg b/source/images/cover/4.jpg
new file mode 100644
index 0000000..c9454cd
Binary files /dev/null and b/source/images/cover/4.jpg differ
diff --git a/source/images/cover/5.jpg b/source/images/cover/5.jpg
new file mode 100644
index 0000000..f0a197b
Binary files /dev/null and b/source/images/cover/5.jpg differ
diff --git a/source/images/cover/6.jpg b/source/images/cover/6.jpg
new file mode 100644
index 0000000..333b11f
Binary files /dev/null and b/source/images/cover/6.jpg differ
diff --git a/source/images/cover/7.jpg b/source/images/cover/7.jpg
new file mode 100644
index 0000000..d3cc76f
Binary files /dev/null and b/source/images/cover/7.jpg differ
diff --git a/source/images/cover/8.jpg b/source/images/cover/8.jpg
new file mode 100644
index 0000000..adf42e2
Binary files /dev/null and b/source/images/cover/8.jpg differ
diff --git a/source/images/cover/9.jpg b/source/images/cover/9.jpg
new file mode 100644
index 0000000..1307993
Binary files /dev/null and b/source/images/cover/9.jpg differ
diff --git a/theme.yaml b/theme.yaml
index bc7cdb8..4901750 100644
--- a/theme.yaml
+++ b/theme.yaml
@@ -3,9 +3,9 @@ name: Xinac-Fantastic
 author:
   name: 新逸Cary
   website: https://blog.xinac.cn
-description: 本主题fork自 Bursteretion ，原作者 imkundev，当前版本v1.3.0：https://github.com/jinqilin721/halo-theme-fantastic
+description: Fantastic主题，https://github.com/jinqilin721/halo-theme-fantastic
 logo: https://blog.xinac.cn/avatar
 website: https://github.com/jinqilin721/halo-theme-fantastic
 repo: https://github.com/jinqilin721/halo-theme-fantastic
-version: 1.3.0
+version: 1.3.2
 require: 1.3.0