🏷️ 更新2.3.5 更新內容查看 https://github.com/jerryc127/hexo-theme-butterfly/releases/tag/2.3.5

🐛 fix: 修復meta description 自動生成文章前200文字時部分沒有轉義的bug

README.md

@@ -1,6 +1,6 @@
 # hexo-theme-butterfly
 
-<a href="https://github.com/jerryc127/hexo-theme-butterfly/releases"><img alt="Version" src="https://img.shields.io/badge/release-2.3.0-blue"/></a>
+<a href="https://github.com/jerryc127/hexo-theme-butterfly/releases"><img alt="Version" src="https://img.shields.io/badge/release-2.3.5-blue"/></a>
 <a href="https://jerryc.me"><img alt="Author" src="https://img.shields.io/badge/author-JerryC-blur"/></a>
 <a href="https://hexo.io"><img alt="Hexo" src="https://img.shields.io/badge/hexo-4.0+-0e83c"/></a>
 <a href="https://nodejs.org/"><img alt="node.js" src="https://img.shields.io/badge/node.js-8.0+-blur"/></a>
@@ -35,7 +35,15 @@ git clone -b dev https://github.com/jerryc127/hexo-theme-butterfly.git themes/Bu
 
 ## Documentation
 
-Find in [hexo-theme-butterfly docs](https://docs.jerryc.me) and [JerryC](https://jerryc.me/posts/21cfbf15). it supports `zh-TW`
+Find in [hexo-theme-butterfly docs](https://docs.jerryc.me) and [JerryC](https://jerryc.me/posts/21cfbf15). it supports `zh-TW` and `zh-CN`
+
+You can also join the Chat Group.
+
+[  💬 Join QQ Group [recommend]](https://jq.qq.com/?_wv=1027&k=5KI3Jqb)
+
+[  💬 Join Telegram Group](https://t.me/hexo_butterfly)
+
+
 
 ## Screenshots
 

README_CN.md

@@ -1,6 +1,6 @@
 # hexo-theme-butterfly
 
-<a href="https://github.com/jerryc127/hexo-theme-butterfly/releases"><img alt="Version" src="https://img.shields.io/badge/release-2.3.0-blue"/></a>
+<a href="https://github.com/jerryc127/hexo-theme-butterfly/releases"><img alt="Version" src="https://img.shields.io/badge/release-2.3.5-blue"/></a>
 <a href="https://jerryc.me"><img alt="Author" src="https://img.shields.io/badge/author-JerryC-blur"/></a>
 <a href="https://hexo.io"><img alt="Hexo" src="https://img.shields.io/badge/hexo-4.0+-0e83c"/></a>
 <a href="https://nodejs.org/"><img alt="node.js" src="https://img.shields.io/badge/node.js-8.0+-blur"/></a>
@@ -36,7 +36,14 @@ theme: Butterfly
 
 可查看[hexo-theme-butterfly docs](https://docs.jerryc.me) 和 [JerryC](https://jerryc.me/posts/21cfbf15)
 
+你也可以加入群組
+
+[  💬 QQ群 [推薦]](https://jq.qq.com/?_wv=1027&k=5KI3Jqb)
+
+[  💬Telegram群](https://t.me/hexo_butterfly)
+
 ## 截圖
+
 ![image](https://user-images.githubusercontent.com/16351105/58887365-1272f780-8718-11e9-9329-3292c6ba20d4.png)
 ![image](https://user-images.githubusercontent.com/16351105/58887457-3cc4b500-8718-11e9-9417-2bdea603c92e.png)
 

_config.yml

@@ -15,10 +15,6 @@ menu:
     - Music || /music/ || fa fa-music
     - Movie || /movies/ || fa fa-film
 
-# Favicon
-# ---------------
-favicon: /img/favicon.ico
-
 # PWA
 # See https://github.com/JLHwung/hexo-offline
 # ---------------
@@ -104,6 +100,10 @@ mermaid:
   # built-in themes: default/forest/dark/neutral
   theme: default
 
+# Favicon
+# ---------------
+favicon: /img/favicon.png
+
 # Post info settings
 # ---------------
 avatar:
@@ -114,7 +114,7 @@ avatar:
 index_img:
 
 # if the banner of page not setting,it will show the top_img
-default_top_img: /img/index.jpg
+default_top_img: https://i.loli.net/2020/05/01/IuWi8QbHvzjlOPw.jpg
 
 # the banner image of archive page
 archive_img:
@@ -144,7 +144,7 @@ cover:
   position: both
   # 當沒有設置cover時，默認的封面顯示
   default_cover:
-    - /img/post.jpg
+    - https://i.loli.net/2020/05/01/gkihqEjXxJ5UZ1C.jpg
 
 # if the photo link cannot connect,it will show that
 lodding_bg:
@@ -271,7 +271,7 @@ valine:
   emojiCDN: # emoji CDN
   enableQQ: false # enable the Nickname box to automatically get QQ Nickname and QQ Avatar
   requiredFields: nick,mail # required fields nick/mail/link
-  bg: /img/comment_bg.png # valine background
+  bg: # valine background
   count: false # dispaly comment count in top_img
 
 # utterances
@@ -375,6 +375,10 @@ related_post:
 # 圖片描述文字
 photofigcaption: false
 
+# anchor
+# when you scroll in post, the url will update according to header id.
+anchor: false
+
 ####    美化/效果    ####
 #--------------------------------
 
@@ -478,6 +482,7 @@ display_mode: light
 # 美化頁面顯示
 beautify:
   enable: false
+  field: post # site/post
   title-prefix-icon: '\f0c1'
   title-prefix-icon-color: '#F47466'
 
@@ -662,9 +667,8 @@ note:
   light_bg_offset: 0
 
 # 圖片懶加載
-# https://github.com/aFarkas/lazysizes
-lazyload:
-  enable: true
+# https://github.com/ApoorvSaxena/lozad.js
+lazyload: false
 
 # 避免重複網址分散seo
 canonical: true
@@ -735,7 +739,7 @@ CDN:
   canvas_ribbon_piao: /js/third-party/piao.js
   canvas_nest: /js/third-party/canvas-nest.js
 
-  lazyload: https://cdn.jsdelivr.net/npm/lazysizes@latest/lazysizes.min.js
+  lazyload: https://cdn.jsdelivr.net/npm/lozad/dist/lozad.min.js
   instantpage: https://cdn.jsdelivr.net/npm/instant.page@latest/instantpage.min.js
   typed: https://cdn.jsdelivr.net/npm/typed.js
   js_cookies: https://cdn.jsdelivr.net/npm/js-cookie/dist/js.cookie.min.js

layout/404.pug

@@ -1,5 +1,5 @@
 - var top_img = theme.error_404.background || theme.default_top_img
-- var bg_img = `background-image: url(${top_img})`
+- var bg_img = `background-image: url(${url_for(top_img)})`
 
 doctype html
 html(lang=config.language data-theme=theme.display_mode)

layout/flink.pug

@@ -7,11 +7,11 @@
           .md-links
             each item in i.link_list
               .md-links-item
-                a(href=item.link  title=item.name target="_blank")
-                  if theme.lazyload.enable
-                    img.lazyload(data-src=item.avatar onerror=`this.onerror=null;this.src='` + url_for(theme.lodding_bg.flink) + `'` alt=item.name )
+                a(href=url_for(item.link)  title=item.name target="_blank")
+                  if theme.lazyload
+                    img(data-src=url_for(item.avatar) onerror=`this.onerror=null;this.src='` + url_for(theme.lodding_bg.flink) + `'` alt=item.name )
                   else
-                    img(src=item.avatar onerror=`this.onerror=null;this.src='` + url_for(theme.lodding_bg.flink) + `'` alt=item.name )
+                    img(src=url_for(item.avatar) onerror=`this.onerror=null;this.src='` + url_for(theme.lodding_bg.flink) + `'` alt=item.name )
                   .md-links-title= item.name 
                   .md-links-des= item.descr
     != page.content

layout/includes/additional-js.pug

@@ -42,8 +42,8 @@ if theme.busuanzi.site_uv || theme.busuanzi.site_pv || theme.busuanzi.page_pv
 if theme.instantpage.enable
   script(src=url_for(theme.CDN.instantpage) type="module")
 
-if theme.lazyload.enable
-  script(src=url_for(theme.CDN.lazyload) async="")
+if theme.lazyload
+  script(src=url_for(theme.CDN.lazyload))
 
 //- 鼠標特效
 if theme.click_heart && theme.click_heart.enable

layout/includes/head/config.pug

@@ -102,7 +102,9 @@ script.
     highlightLang: !{theme.highlight_lang},
     highlightShrink: '!{theme.highlight_shrink}',
     isFontAwesomeV5: !{theme.fontawesome_v5 && theme.fontawesome_v5.enable},
-    isPhotoFigcaption: !{theme.photofigcaption}
+    isPhotoFigcaption: !{theme.photofigcaption},
+    islazyload: !{theme.lazyload},
+    isanchor: !{theme.anchor}
     
   }
 

layout/includes/header/index.pug

@@ -19,7 +19,7 @@ if theme.douban
   else if is_current('/games/', [strict])
     - var top_img = theme.douban.games_img || theme.default_top_img
 
-- var bg_img = top_img && top_img !== true ? `background-image: url(${top_img})` : ''
+- var bg_img = top_img && top_img !== true ? `background-image: url(${url_for(top_img)})` : ''
 - var site_title = is_archive() ? _p('page.archives') : page.title || page.tag || page.category || config.title
 - var isHomeClass = is_home() ? 'full_page' : 'not-index-bg'
 - is_post() ? isHomeClass = 'post-bg' : isHomeClass

layout/includes/header/menu_item.pug

@@ -3,11 +3,13 @@
     if !Array.isArray(value)
       .menus_item
         a.site-page(href=url_for(trim(value.split('||')[0])))
+          if value.split('||')[1]
             i.fa-fw(class=trim(value.split('||')[1]))
           span=' '+label
     else
       .menus_item
         a.site-page
+          if label.split('||')[1]
             i.fa-fw(class=trim(label.split('||')[1]) aria-hidden="true")
           span=' '+ trim(label.split('||')[0])
           i.fa.fa-chevron-down.menus-expand(aria-hidden="true")
@@ -15,5 +17,6 @@
           each i in value
             li
               a.site-page(href=url_for(trim(i.split('||')[1])))
+                if i.split('||')[2]
                   i.fa-fw(class=trim(i.split('||')[2]))
                 span=' '+trim(i.split('||')[0])

layout/includes/mixins/article-sort.pug

@@ -11,7 +11,7 @@ mixin articleSort(posts)
         if article.cover && theme.cover.archives_enable
           .article-sort-img
             a.article-sort-item__img(href=url_for(article.path))
-              img(src=`${article.cover}` alt=article.title || 'No Title' onerror=`this.onerror=null;this.src='`+ url_for(theme.lodding_bg.post_page) + `'`)
+              img(src=url_for(article.cover) alt=article.title || 'No Title' onerror=`this.onerror=null;this.src='`+ url_for(theme.lodding_bg.post_page) + `'`)
         .article-sort-post
           a.article-sort-item__post(href=url_for(article.path))
             i.fa.fa-clock-o(aria-hidden="true")

layout/includes/mixins/post-ui.pug

@@ -9,10 +9,10 @@ mixin postUI(posts)
       if post_cover && theme.cover.index_enable
         .post_cover(class=leftOrRight)
           a(href=url_for(link) title=title)      
-            if theme.lazyload.enable
-              img.post_bg.lazyload(data-src=`${post_cover}` onerror=`this.onerror=null;this.src='`+ url_for(theme.lodding_bg.post_page) + `'` alt=title)
+            if theme.lazyload
+              img.post_bg(data-src=url_for(post_cover) onerror=`this.onerror=null;this.src='`+ url_for(theme.lodding_bg.post_page) + `'` alt=title)
             else
-              img.post_bg(src=`${post_cover}` onerror=`this.onerror=null;this.src='`+ url_for(theme.lodding_bg.post_page) + `'` alt=title)
+              img.post_bg(src=url_for(post_cover) onerror=`this.onerror=null;this.src='`+ url_for(theme.lodding_bg.post_page) + `'` alt=title)
       .recent-post-info(class=no_cover)
         a.article-title(href=url_for(link) title=title)= title
         .article-meta-wrap

layout/includes/pagination.pug

@@ -17,10 +17,10 @@ else
       .prev-post(class=hasPageNext)
         - var pagination_cover = page.prev.cover === false ? page.prev.randomcover : page.prev.cover
         a(href=url_for(page.prev.path))
-          if theme.lazyload.enable
-            img.prev_cover.lazyload(data-src=`${pagination_cover}` onerror=`onerror=null;src='${theme.lodding_bg.post_page}'` )
+          if theme.lazyload
+            img.prev_cover(data-src=url_for(pagination_cover) onerror=`onerror=null;src='${url_for(theme.lodding_bg.post_page)}'` )
           else
-            img.prev_cover(src=`${pagination_cover}` onerror=`onerror=null;src='${theme.lodding_bg.post_page}'` )
+            img.prev_cover(src=url_for(pagination_cover) onerror=`onerror=null;src='${url_for(theme.lodding_bg.post_page)}'` )
           .pagination-info
             .label=_p('pagination.prev')
             .prev_info=page.prev.title
@@ -30,10 +30,10 @@ else
       - var pagination_cover = page.next.cover == false ? page.next.randomcover : page.next.cover
       .next-post(class=hasPagePrev)
         a(href=url_for(page.next.path))
-          if theme.lazyload.enable
-            img.next_cover.lazyload(data-src=`${pagination_cover}` onerror=`onerror=null;src='${theme.lodding_bg.post_page}'`)
+          if theme.lazyload
+            img.next_cover(data-src=url_for(pagination_cover) onerror=`onerror=null;src='${url_for(theme.lodding_bg.post_page)}'`)
           else
-            img.next_cover(src=`${pagination_cover}` onerror=`onerror=null;src='${theme.lodding_bg.post_page}'`)                      
+            img.next_cover(src=url_for(pagination_cover) onerror=`onerror=null;src='${url_for(theme.lodding_bg.post_page)}'`)
           .pagination-info
             .label=_p('pagination.next')
             .next_info=page.next.title 

layout/includes/post/reward.pug

@@ -6,6 +6,6 @@
       ul.reward-all
         each item in theme.reward.QR_code
           li.reward-item
-            img.lazyload.post-qr-code__img(src=url_for((item.itemlist||item).img) alt=(item.itemlist||item).text)
+            img.post-qr-code__img(src=url_for((item.itemlist||item).img) alt=(item.itemlist||item).text)
             .post-qr-code__desc=(item.itemlist||item).text
 

layout/includes/share/share-js.pug

@@ -1,4 +1,4 @@
 if (theme.sharejs && theme.sharejs.enable)
-  .social-share(data-image= page.cover|| theme.avatar.img data-sites= theme.sharejs.sites)
+  .social-share(data-image=url_for(page.cover|| theme.avatar.img) data-sites= theme.sharejs.sites)
   link(rel="stylesheet" href=url_for(theme.CDN.sharejs_css))
   script(src=url_for(theme.CDN.sharejs))

layout/includes/widget/card_recent_post.pug

@@ -15,10 +15,10 @@
             a(href=url_for(link))
               if post_cover && theme.cover.aside_enable
                 .aside-post-cover
-                  if theme.lazyload.enable
-                    img.aside-post-bg.lazyload(data-src=`${post_cover}` onerror=`this.onerror=null;this.src='`+ url_for(theme.lodding_bg.post_page) + `'` title=title alt=title)
+                  if theme.lazyload
+                    img.aside-post-bg(data-src=url_for(post_cover) onerror=`this.onerror=null;this.src='`+ url_for(theme.lodding_bg.post_page) + `'` title=title alt=title)
                   else
-                    img.aside-post-bg(src=`${post_cover}` onerror=`this.onerror=null;this.src='`+ url_for(theme.lodding_bg.post_page) + `'` title=title alt=title)
+                    img.aside-post-bg(src=url_for(post_cover) onerror=`this.onerror=null;this.src='`+ url_for(theme.lodding_bg.post_page) + `'` title=title alt=title)
               .aside-post-title(class=no_cover)
                 .aside-post_title(href=url_for(link) title=article.title || _p('no_title'))= article.title || _p('no_title')
                 time.aside-post_meta.post-meta__date(title=_p('post.created') + ' ' + full_date(article.date)) #[=date(article.date, config.date_format)]

layout/post.pug

@@ -2,7 +2,7 @@ extends includes/layout.pug
 
 block content
   article#post(class="")
-    #article-container!=page.content
+    #article-container.post-content!=page.content
     include includes/post/post-copyright.pug
     .tag_share
       if (theme.post_meta.post.tags)

package.json

@@ -1,6 +1,6 @@
 {
   "name": "hexo-theme-butterfly",
-  "version": "2.3.0",
+  "version": "2.3.5",
   "private": true,
   "engines": {
     "node": ">=8.10.0"

scripts/filters/post_lazyload.js

@@ -2,36 +2,19 @@
  * Butterfly
  * lazyload
  * replace src to data-src
- * add class 'lazyload'
  */
 
 'use strict'
 
-const url_for = require('hexo-util').url_for.bind(hexo)
+const urlFor = require('hexo-util').url_for.bind(hexo)
 
 function lazyProcess (htmlContent) {
-  var bg = url_for(hexo.theme.config.lodding_bg.post)
-  return htmlContent.replace(
-    /<img(.*?)src="(.*?)"(.*?)>/gi,
-    (str, p1, p2, p3) => {
-      if (/data-src/gi.test(str)) {
-        return str
-      }
-      if (/class="(.*?)"/gi.test(str)) {
-        str = str.replace(/class="(.*?)"/gi, (classStr, p1) => {
-          return classStr.replace(p1, `${p1} lazyload`)
-        })
-        str = str.replace(p2, `${bg}`)
-        return str.replace('>', ` data-src="${p2}">`)
-      }
-      str = str.replace(p2, `${bg}`)
-      return str.replace(p3, ` class="lazyload" data-src="${p2}" ${p3}`)
-    }
-  )
+  var bg = hexo.theme.config.lodding_bg.post ? urlFor(hexo.theme.config.lodding_bg.post) : 'data:image/gif;base64,R0lGODdhAQABAPAAAMPDwwAAACwAAAAAAQABAAACAkQBADs='
+  return htmlContent.replace(/(<img .*?src=)/ig, `$1 ${bg} data-src=`)
 }
 
 var processPost = function (data) {
-  if (!hexo.theme.config.lazyload.enable) return
+  if (!hexo.theme.config.lazyload) return
   data.content = lazyProcess.call(this, data.content)
   return data
 }

scripts/helpers/page.js

@@ -8,16 +8,16 @@
 
 'use strict'
 
-const { stripHTML } = require('hexo-util')
+const { stripHTML, escapeHTML } = require('hexo-util')
 
 hexo.extend.helper.register('page_description', function () {
   const { config, page } = this
   let description = page.description || page.content || page.title || config.description
 
   if (description) {
-    description = stripHTML(description).substring(0, 200)
+    description = escapeHTML(stripHTML(description).substring(0, 200)
       .trim()
-      .replace(/\n/g, ' ')
+    ).replace(/\n/g, ' ')
     return description
   }
 })
@@ -36,7 +36,7 @@ hexo.extend.helper.register('cloudTags', function (options = {}) {
   const source = options.source
   const minfontsize = options.minfontsize
   const maxfontsize = options.maxfontsize
-  const limit = options.limit || 8
+  const limit = options.limit
 
   let result = ''
   const tagLimit = limit === 0 ? source.length : limit

scripts/helpers/related_post.js

@@ -41,8 +41,7 @@ hexo.extend.helper.register('related_posts', function (currentPost, allPosts) {
   var limitNum = config.related_post.limit || 6
   var dateType = config.related_post.date_type || 'created'
   var headlineLang = this._p('post.recommend')
-  var lazySrc = config.lazyload.enable ? 'data-src' : 'src'
-  var lazyClass = config.lazyload.enable ? 'lazyload' : ''
+  var lazySrc = config.lazyload ? 'data-src' : 'src'
 
   relatedPosts = relatedPosts.sort(compare('weight'))
 
@@ -68,9 +67,7 @@ hexo.extend.helper.register('related_posts', function (currentPost, allPosts) {
         relatedPosts[i].title +
         '">'
       result +=
-        '<img class="relatedPosts_cover ' +
-        lazyClass +
-        '"' +
+        '<img class="relatedPosts_cover" ' +
         lazySrc +
         '="' +
         cover +

source/css/_layout/post.styl

@@ -1,5 +1,4 @@
-#article-container
-  if hexo-config('beautify.enable')
+beautify()
   headStyle(fontsize)
     padding-left: unit(fontsize + .4, 'rem')
 
@@ -125,11 +124,11 @@
         background: transparent
         content: ''
         line-height: h
-  else
+
+no-beautify()
   ol,
   ul
     margin-top: .4rem
-      counter-reset: li
 
     p
       margin: 0 0 .5rem
@@ -143,6 +142,17 @@
       margin: .3rem 0
       padding-left: .3rem
 
+#article-container
+  if hexo-config('beautify.enable') && hexo-config('beautify.field') == 'site'
+    beautify()
+  else if hexo-config('beautify.enable') && hexo-config('beautify.field') == 'post'
+    no-beautify()
+
+    &.post-content
+      beautify()
+  else
+    no-beautify()
+
 a
   color: $a-link-color
   text-decoration: none

source/img/post_loadding.svg

@@ -1 +0,0 @@
-<svg width="200px"  height="200px"  xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100" preserveAspectRatio="xMidYMid" class="lds-pacman" style="background: none;"><g ng-attr-style="display:{{config.showBean}}" style="display:block"><circle cx="74.5405" cy="50" r="4" ng-attr-fill="{{config.c2}}" fill="#a3d9ef"><animate attributeName="cx" calcMode="linear" values="95;35" keyTimes="0;1" dur="0.8" begin="-0.536s" repeatCount="indefinite"></animate><animate attributeName="fill-opacity" calcMode="linear" values="0;1;1" keyTimes="0;0.2;1" dur="0.8" begin="-0.536s" repeatCount="indefinite"></animate></circle><circle cx="94.9405" cy="50" r="4" ng-attr-fill="{{config.c2}}" fill="#a3d9ef"><animate attributeName="cx" calcMode="linear" values="95;35" keyTimes="0;1" dur="0.8" begin="-0.264s" repeatCount="indefinite"></animate><animate attributeName="fill-opacity" calcMode="linear" values="0;1;1" keyTimes="0;0.2;1" dur="0.8" begin="-0.264s" repeatCount="indefinite"></animate></circle><circle cx="54.7405" cy="50" r="4" ng-attr-fill="{{config.c2}}" fill="#a3d9ef"><animate attributeName="cx" calcMode="linear" values="95;35" keyTimes="0;1" dur="0.8" begin="0s" repeatCount="indefinite"></animate><animate attributeName="fill-opacity" calcMode="linear" values="0;1;1" keyTimes="0;0.2;1" dur="0.8" begin="0s" repeatCount="indefinite"></animate></circle></g><g ng-attr-transform="translate({{config.showBeanOffset}} 0)" transform="translate(-15 0)"><path d="M50 50L20 50A30 30 0 0 0 80 50Z" ng-attr-fill="{{config.c1}}" fill="#82bbe4" transform="rotate(29.6108 50 50)"><animateTransform attributeName="transform" type="rotate" calcMode="linear" values="0 50 50;45 50 50;0 50 50" keyTimes="0;0.5;1" dur="0.8s" begin="0s" repeatCount="indefinite"></animateTransform></path><path d="M50 50L20 50A30 30 0 0 1 80 50Z" ng-attr-fill="{{config.c1}}" fill="#82bbe4" transform="rotate(-29.6108 50 50)"><animateTransform attributeName="transform" type="rotate" calcMode="linear" values="0 50 50;-45 50 50;0 50 50" keyTimes="0;0.5;1" dur="0.8s" begin="0s" repeatCount="indefinite"></animateTransform></path></g></svg>

source/js/main.js

@@ -445,6 +445,13 @@ $(function () {
     })
   }
 
+  /**
+   * lazyload
+   */
+  if (GLOBAL_CONFIG.islazyload) {
+    window.lozad('img').observe()
+  }
+
   /**
    * 滾動處理
    */
@@ -532,9 +539,11 @@ $(function () {
       }, 100)
     }
 
+    // anchor
+    var isanchor = GLOBAL_CONFIG.isanchor
     var updateAnchor = function (anchor) {
-      if (anchor !== window.location.hash) {
-        location.replace(window.location.href.split('#')[0] + anchor)
+      if (window.history.replaceState && anchor !== window.location.hash) {
+        window.history.replaceState(undefined, undefined, anchor)
       }
     }
 
@@ -565,7 +574,7 @@ $(function () {
 
       var currentActive = $('.toc-link.active')
       if (currentId && currentActive.attr('href') !== currentId) {
-        updateAnchor(currentId)
+        if (isanchor) updateAnchor(currentId)
 
         $('.toc-link').removeClass('active')
 
@@ -711,11 +720,7 @@ $(function () {
 
   $darkModeButtom.click(function () {
     switchReadMode()
-    try {
-      utterancesTheme()
-    } catch (e) {
-      return false
-    }
+    if (typeof utterancesTheme === 'function') utterancesTheme()
   })
 
   /**