diff --git a/_config.yml b/_config.yml
index 299f671..b9e6172 100644
--- a/_config.yml
+++ b/_config.yml
@@ -836,11 +836,11 @@ inject:
 # 非必要請不要修改
 CDN:
   # The CDN provider of internal scripts (主題內部 js 的 cdn 配置)
-  # option: local/jsdelivr
-  # Dev version cannot choose jsdelivr (dev版的主題不能設置為 jsdelivr)
+  # option: local/jsdelivr/unpkg
+  # Dev version cannot choose jsdelivr/unpkg (dev版的主題不能設置為 jsdelivr/unpkg)
   internal_provider: local
   # The CDN provider of third party scripts (第三方 js 的 cdn 配置)
-  # option: local/jsdelivr
+  # option: local/jsdelivr/unpkg
   # when set it to local, you need to install hexo-butterfly-extjs
   third_party_provider: jsdelivr
   option:
diff --git a/layout/includes/header/post-info.pug b/layout/includes/header/post-info.pug
index 206b993..f7f2174 100644
--- a/layout/includes/header/post-info.pug
+++ b/layout/includes/header/post-info.pug
@@ -63,23 +63,18 @@
 
       - const commentUse = comments.use
       if commentUse && !comments.lazyload
-        case commentUse[0]
-          when 'Valine'
-            if theme.valine.visitor
-              +pvBlock(url_for(page.path),'leancloud_visitors',page.title)
-                span.leancloud-visitors-count
-          when 'Waline'
-            if theme.waline.pageview
-              +pvBlock('','','')
-                span.waline-pageview-count(data-path=url_for(page.path))
-          when 'Twikoo'
-            if theme.twikoo.visitor
-              +pvBlock('','','')
-                span#twikoo_visitors
-          default
-            if theme.busuanzi.page_pv
-              +pvBlock('','post-meta-pv-cv','')
-                span#busuanzi_value_page_pv
+        if commentUse[0] === 'Valine' && theme.valine.visitor
+          +pvBlock(url_for(page.path),'leancloud_visitors',page.title)
+            span.leancloud-visitors-count
+        else if commentUse[0] === 'Waline' && theme.waline.pageview
+          +pvBlock('','','')
+            span.waline-pageview-count(data-path=url_for(page.path))
+        else if commentUse[0] === 'Twikoo' && theme.twikoo.visitor
+          +pvBlock('','','')
+            span#twikoo_visitors
+        else if theme.busuanzi.page_pv
+          +pvBlock('','post-meta-pv-cv','')
+            span#busuanzi_value_page_pv
       else if theme.busuanzi.page_pv
         +pvBlock('','post-meta-pv-cv','')
           span#busuanzi_value_page_pv
diff --git a/package.json b/package.json
index 3036910..12fbe0b 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "hexo-theme-butterfly",
-  "version": "4.3.0-b1",
+  "version": "4.3.0-b2",
   "description": "A Simple and Card UI Design theme for Hexo",
   "main": "package.json",
   "scripts": {
diff --git a/scripts/events/config.js b/scripts/events/config.js
index 78be446..ffd5d63 100644
--- a/scripts/events/config.js
+++ b/scripts/events/config.js
@@ -12,18 +12,22 @@ const path = require('path')
 hexo.extend.filter.register('before_generate', () => {
   const themeConfig = hexo.theme.config
   const { CDN, comments } = themeConfig
+  const jsdelivr = 'https://cdn.jsdelivr.net/npm/'
+  const unpkg = 'https://unpkg.com/'
 
   /**
    * Merge CDN
    */
 
-  const internalSrcCDN = {
-    main_css: '/css/index.css',
-    main: `https://cdn.jsdelivr.net/npm/hexo-theme-butterfly@${version}/source/js/main.min.js`,
-    utils: `https://cdn.jsdelivr.net/npm/hexo-theme-butterfly@${version}/source/js/utils.min.js`,
-    translate: `https://cdn.jsdelivr.net/npm/hexo-theme-butterfly@${version}/source/js/tw_cn.min.js`,
-    local_search: `https://cdn.jsdelivr.net/npm/hexo-theme-butterfly@${version}/source/js/search/local-search.min.js`,
-    algolia_js: `https://cdn.jsdelivr.net/npm/hexo-theme-butterfly@${version}/source/js/search/algolia.min.js`,
+  const internalSrcCDN = (pre) => {
+    return {
+      main_css: '/css/index.css',
+      main: `${pre}hexo-theme-butterfly@${version}/source/js/main.js`,
+      utils: `${pre}hexo-theme-butterfly@${version}/source/js/utils.js`,
+      translate: `${pre}hexo-theme-butterfly@${version}/source/js/tw_cn.js`,
+      local_search: `${pre}hexo-theme-butterfly@${version}/source/js/search/local-search.js`,
+      algolia_js: `${pre}hexo-theme-butterfly@${version}/source/js/search/algolia.js`,
+    }
   }
 
   const internalSrcLocal = {
@@ -35,51 +39,53 @@ hexo.extend.filter.register('before_generate', () => {
     algolia_js: '/js/search/algolia.js',
   }
 
-  const thirdPartySrcCDN = {
-    algolia_search_v4: 'https://cdn.jsdelivr.net/npm/algoliasearch@4/dist/algoliasearch-lite.umd.js',
-    instantsearch_v4: 'https://cdn.jsdelivr.net/npm/instantsearch.js@4/dist/instantsearch.production.min.js',
-    pjax: 'https://cdn.jsdelivr.net/npm/pjax/pjax.min.js',
-    gitalk: 'https://cdn.jsdelivr.net/npm/gitalk@latest/dist/gitalk.min.js',
-    gitalk_css: 'https://cdn.jsdelivr.net/npm/gitalk/dist/gitalk.min.css',
-    blueimp_md5: 'https://cdn.jsdelivr.net/npm/blueimp-md5/js/md5.min.js',
-    valine: 'https://cdn.jsdelivr.net/npm/valine/dist/Valine.min.js',
-    disqusjs: 'https://cdn.jsdelivr.net/npm/disqusjs@3/dist/browser/disqusjs.es2015.umd.min.js',
-    disqusjs_css: 'https://cdn.jsdelivr.net/npm/disqusjs@3/dist/browser/styles/disqusjs.css',
-    twikoo: 'https://cdn.jsdelivr.net/npm/twikoo@1/dist/twikoo.all.min.js',
-    waline_js: 'https://cdn.jsdelivr.net/npm/@waline/client/dist/waline.js',
-    waline_css: 'https://cdn.jsdelivr.net/npm/@waline/client/dist/waline.css',
-    sharejs: 'https://cdn.jsdelivr.net/gh/overtrue/share.js@master/dist/js/social-share.min.js',
-    sharejs_css: 'https://cdn.jsdelivr.net/npm/social-share.js/dist/css/share.min.css',
-    mathjax: 'https://cdn.jsdelivr.net/npm/mathjax@3/es5/tex-mml-chtml.js',
-    katex: 'https://cdn.jsdelivr.net/npm/katex@latest/dist/katex.min.css',
-    katex_copytex: 'https://cdn.jsdelivr.net/npm/katex@latest/dist/contrib/copy-tex.min.js',
-    katex_copytex_css: 'https://cdn.jsdelivr.net/npm/katex@latest/dist/contrib/copy-tex.css',
-    mermaid: 'https://cdn.jsdelivr.net/npm/mermaid/dist/mermaid.min.js',
-    canvas_ribbon: 'https://cdn.jsdelivr.net/npm/butterfly-extsrc@1/dist/canvas-ribbon.min.js',
-    canvas_fluttering_ribbon: 'https://cdn.jsdelivr.net/npm/butterfly-extsrc@1/dist/canvas-fluttering-ribbon.min.js',
-    canvas_nest: 'https://cdn.jsdelivr.net/npm/butterfly-extsrc@1/dist/canvas-nest.min.js',
-    activate_power_mode: 'https://cdn.jsdelivr.net/npm/butterfly-extsrc@1/dist/activate-power-mode.min.js',
-    fireworks: 'https://cdn.jsdelivr.net/npm/butterfly-extsrc@1/dist/fireworks.min.js',
-    click_heart: 'https://cdn.jsdelivr.net/npm/butterfly-extsrc@1/dist/click-heart.min.js',
-    ClickShowText: 'https://cdn.jsdelivr.net/npm/butterfly-extsrc@1/dist/click-show-text.min.js',
-    lazyload: 'https://cdn.jsdelivr.net/npm/vanilla-lazyload/dist/lazyload.iife.min.js',
-    instantpage: 'https://cdn.jsdelivr.net/npm/instant.page@5/instantpage.min.js',
-    typed: 'https://cdn.jsdelivr.net/npm/typed.js/lib/typed.min.js',
-    pangu: 'https://cdn.jsdelivr.net/npm/pangu@4/dist/browser/pangu.min.js',
-    fancybox_css_v4: 'https://cdn.jsdelivr.net/npm/@fancyapps/ui/dist/fancybox.css',
-    fancybox_v4: 'https://cdn.jsdelivr.net/npm/@fancyapps/ui/dist/fancybox.umd.js',
-    medium_zoom: 'https://cdn.jsdelivr.net/npm/medium-zoom/dist/medium-zoom.min.js',
-    snackbar_css: 'https://cdn.jsdelivr.net/npm/node-snackbar/dist/snackbar.min.css',
-    snackbar: 'https://cdn.jsdelivr.net/npm/node-snackbar/dist/snackbar.min.js',
-    fontawesomeV6: 'https://cdn.jsdelivr.net/npm/@fortawesome/fontawesome-free@6/css/all.min.css',
-    flickr_justified_gallery_js: 'https://cdn.jsdelivr.net/npm/flickr-justified-gallery@2/dist/fjGallery.min.js',
-    flickr_justified_gallery_css: 'https://cdn.jsdelivr.net/npm/flickr-justified-gallery@2/dist/fjGallery.min.css',
-    aplayer_css: 'https://cdn.jsdelivr.net/npm/aplayer@1/dist/APlayer.min.css',
-    aplayer_js: 'https://cdn.jsdelivr.net/npm/aplayer@1/dist/APlayer.min.js',
-    meting_js: 'https://cdn.jsdelivr.net/gh/metowolf/MetingJS@1.2/dist/Meting.min.js',
-    prismjs_js: 'https://cdn.jsdelivr.net/npm/prismjs@1/prism.min.js',
-    prismjs_lineNumber_js: 'https://cdn.jsdelivr.net/npm/prismjs@1/plugins/line-numbers/prism-line-numbers.min.js',
-    prismjs_autoloader: 'https://cdn.jsdelivr.net/npm/prismjs@1/plugins/autoloader/prism-autoloader.min.js',
+  const thirdPartySrcCDN = (pre) => {
+    return {
+      algolia_search_v4: `${pre}algoliasearch@4/dist/algoliasearch-lite.umd.js`,
+      instantsearch_v4: `${pre}instantsearch.js@4/dist/instantsearch.production.min.js`,
+      pjax: `${pre}pjax/pjax.min.js`,
+      gitalk: `${pre}gitalk@latest/dist/gitalk.min.js`,
+      gitalk_css: `${pre}gitalk/dist/gitalk.css`,
+      blueimp_md5: `${pre}blueimp-md5/js/md5.min.js`,
+      valine: `${pre}valine/dist/Valine.min.js`,
+      disqusjs: `${pre}disqusjs@3/dist/browser/disqusjs.es2015.umd.min.js`,
+      disqusjs_css: `${pre}disqusjs@3/dist/browser/styles/disqusjs.css`,
+      twikoo: `${pre}twikoo@1/dist/twikoo.all.min.js`,
+      waline_js: `${pre}@waline/client/dist/waline.js`,
+      waline_css: `${pre}@waline/client/dist/waline.css`,
+      sharejs: `${pre}butterfly-extsrc@1/ShareJS/dist/js/social-share.min.js`,
+      sharejs_css: `${pre}butterfly-extsrc@1/ShareJS/dist/css/share.min.css`,
+      mathjax: `${pre}mathjax@3/es5/tex-mml-chtml.js`,
+      katex: `${pre}katex@latest/dist/katex.min.css`,
+      katex_copytex: `${pre}katex@latest/dist/contrib/copy-tex.min.js`,
+      katex_copytex_css: `${pre}katex@latest/dist/contrib/copy-tex.css`,
+      mermaid: `${pre}mermaid/dist/mermaid.min.js`,
+      canvas_ribbon: `${pre}butterfly-extsrc@1/dist/canvas-ribbon.min.js`,
+      canvas_fluttering_ribbon: `${pre}butterfly-extsrc@1/dist/canvas-fluttering-ribbon.min.js`,
+      canvas_nest: `${pre}butterfly-extsrc@1/dist/canvas-nest.min.js`,
+      activate_power_mode: `${pre}butterfly-extsrc@1/dist/activate-power-mode.min.js`,
+      fireworks: `${pre}butterfly-extsrc@1/dist/fireworks.min.js`,
+      click_heart: `${pre}butterfly-extsrc@1/dist/click-heart.min.js`,
+      ClickShowText: `${pre}butterfly-extsrc@1/dist/click-show-text.min.js`,
+      lazyload: `${pre}vanilla-lazyload/dist/lazyload.iife.min.js`,
+      instantpage: `${pre}instant.page@5/instantpage.js`,
+      typed: `${pre}typed.js/lib/typed.min.js`,
+      pangu: `${pre}pangu@4/dist/browser/pangu.min.js`,
+      fancybox_css_v4: `${pre}@fancyapps/ui/dist/fancybox.css`,
+      fancybox_v4: `${pre}@fancyapps/ui/dist/fancybox.umd.js`,
+      medium_zoom: `${pre}medium-zoom/dist/medium-zoom.min.js`,
+      snackbar_css: `${pre}node-snackbar/dist/snackbar.min.css`,
+      snackbar: `${pre}node-snackbar/dist/snackbar.min.js`,
+      fontawesomeV6: `${pre}@fortawesome/fontawesome-free@6/css/all.min.css`,
+      flickr_justified_gallery_js: `${pre}flickr-justified-gallery@2/dist/fjGallery.min.js`,
+      flickr_justified_gallery_css: `${pre}flickr-justified-gallery@2/dist/fjGallery.css`,
+      aplayer_css: `${pre}aplayer@1/dist/APlayer.min.css`,
+      aplayer_js: `${pre}aplayer@1/dist/APlayer.min.js`,
+      meting_js: `${pre}butterfly-extsrc@1/MetingJS/dist/Meting.min.js`,
+      prismjs_js: `${pre}prismjs@1/prism.js`,
+      prismjs_lineNumber_js: `${pre}prismjs@1/plugins/line-numbers/prism-line-numbers.min.js`,
+      prismjs_autoloader: `${pre}prismjs@1/plugins/autoloader/prism-autoloader.min.js`,
+    }
   }
 
   // delete null value
@@ -94,7 +100,8 @@ hexo.extend.filter.register('before_generate', () => {
   const defaultVal = (obj, choose) => {
     if (obj === 'internal') {
       if (choose === 'local') return internalSrcLocal
-      else return internalSrcCDN
+      else if (choose === 'unpkg') return internalSrcCDN(unpkg)
+      else return internalSrcCDN(jsdelivr)
     }
 
     if (obj === 'external') {
@@ -108,7 +115,8 @@ hexo.extend.filter.register('before_generate', () => {
           })
         } catch (e) {}
         return result
-      } else return thirdPartySrcCDN
+      } else if (choose === 'unpkg') return thirdPartySrcCDN(unpkg)
+      else return thirdPartySrcCDN(jsdelivr)
     }
   }