chore: 升級版本至 5.5.3 並合併開發分支功能更新

主要更新內容： - feat: 網站背景支援隨機數組配置，可從多個背景中隨機選擇 - feat: 增加文章分頁封面配置 pagination_cover 選項 - improvement: 優化代碼高亮工具複製按鈕的位置計算和邊界檢查 - improvement: 優化 Pjax 載入，script 標籤新增 defer 屬性 - improvement: 優化相關文章算法，提升性能並改進排序邏輯 - improvement: 優化側邊欄歸檔和分類模塊的性能 - improvement: 改善 TOC 滾動檢測和位置計算 - improvement: 優化 Umami Analytics 數據處理邏輯 - fix: 修復代碼塊工具欄圖標對齊和樣式問題 - fix: 修復夜間模式下圖片亮度調整 - fix: 修復閱讀模式按鈕樣式和功能 - chore: 更新多個依賴套件版本（algolia, fancybox, katex, mermaid, waline 等）此次合併解決了所有衝突並整合了開發分支的所有新功能和優化。
2026-04-08 12:07:06 +08:00 · 2025-12-10 20:37:39 +08:00
parent 8fedddbb5a c771efa9bc
commit 1fe36a26c2
24 changed files with 327 additions and 274 deletions
--- a/_config.yml
+++ b/_config.yml
@@ -91,7 +91,8 @@ category_per_img:
 footer_img: false

 # Website Background
-# Can set it to color or image url
+# Can set it to color, image URL or an array containing colors and/or image URLs
+# If an array is provided, a random background will be selected from the array on each load
 background:

 cover:
--- a/layout/includes/additional-js.pug
+++ b/layout/includes/additional-js.pug
@@ -52,7 +52,7 @@ div
    != partial("includes/third-party/umami_analytics", {}, { cache: true })

  if theme.busuanzi.site_uv || theme.busuanzi.site_pv || theme.busuanzi.page_pv
-    script(async data-pjax src=url_for(theme.asset.busuanzi) || '//busuanzi.ibruce.info/busuanzi/2.3/busuanzi.pure.mini.js')
+    script(async data-pjax src=theme.asset.busuanzi ? url_for(theme.asset.busuanzi) : '//busuanzi.ibruce.info/busuanzi/2.3/busuanzi.pure.mini.js')

  != partial('includes/third-party/search/index', {}, { cache: true })

--- a/layout/includes/layout.pug
+++ b/layout/includes/layout.pug
@@ -13,7 +13,29 @@ html(lang=config.language data-theme=theme.display_mode class=htmlClassHideAside
    !=partial('includes/loading/index', {}, {cache: true})

    if theme.background
-      #web_bg(style=getBgPath(theme.background))
+      if !Array.isArray(theme.background)
+        #web_bg.bg-animation(style=getBgPath(theme.background))
+      else
+        #web_bg.bg-animation
+        - const bgStyleArr = theme.background.map(getBgPath)
+        script.
+          (() => {
+            const arr = !{JSON.stringify(bgStyleArr)}
+            const webBgDiv = document.getElementById('web_bg')
+
+            const setRandomBg = () => {
+              webBgDiv.style = arr[Math.floor(Math.random() * arr.length)]
+              requestAnimationFrame(() => webBgDiv.classList.add('bg-animation'))
+            }
+
+            document.addEventListener('pjax:send', () => {
+              webBgDiv.style = ''
+              webBgDiv.classList.remove('bg-animation')
+            })
+
+            document.addEventListener('pjax:complete', setRandomBg)
+            document.addEventListener('DOMContentLoaded', setRandomBg)
+          })()

    !=partial('includes/sidebar', {}, {cache: true})

--- a/layout/includes/pagination.pug
+++ b/layout/includes/pagination.pug
@@ -19,7 +19,7 @@ if page.total !== 1

          a.pagination-related(class=className href=url_for(direction.path) title=direction.title)
            if direction.cover_type === 'img'
-              img.cover(src=url_for(direction.cover) onerror=`onerror=null;src='${url_for(theme.error_img.post_page)}'` alt=`cover of ${key === 'prev' ? 'previous' : 'next'} post`)
+              img.cover(src=url_for(direction.pagination_cover || direction.cover) onerror=`onerror=null;src='${url_for(theme.error_img.post_page)}'` alt=`cover of ${key === 'prev' ? 'previous' : 'next'} post`)
            else
              .cover(style=`background: ${direction.cover || 'var(--default-bg-color)'}`)

--- a/layout/includes/third-party/pjax.pug
+++ b/layout/includes/third-party/pjax.pug
@@ -14,9 +14,9 @@ if choose
    else
      - pjaxSelectors.unshift('meta[name="description"]')

-script(src=url_for(theme.asset.pjax))
+script(src=url_for(theme.asset.pjax) defer)
 script.
-  (() => {
+  document.addEventListener('DOMContentLoaded', () => {
    const pjaxSelectors = !{JSON.stringify(pjaxSelectors)}

    window.pjax = new Pjax({
@@ -65,10 +65,9 @@ script.

    document.addEventListener('pjax:error', e => {
      if (e.request.status === 404) {
-        const usePjax = !{theme.pjax && theme.pjax.enable}
        !{theme.error_404 && theme.error_404.enable}
-          ? (usePjax ? pjax.loadUrl('!{url_for("/404.html")}') : window.location.href = '!{url_for("/404.html")}')
+          ? pjax.loadUrl('!{url_for("/404.html")}')
          : window.location.href = e.request.responseURL
      }
    })
-  })()
+  })
--- a/layout/includes/third-party/prismjs.pug
+++ b/layout/includes/third-party/prismjs.pug
@@ -17,7 +17,7 @@ if (syntax_highlighter === 'prismjs' || enable) && !preprocess
      btf.addGlobalFn('encrypt', highlightAll, 'prismjs')
    })()

-  script(src=url_for(prismjs_js))
-  script(src=url_for(prismjs_autoloader))
+  script(src=url_for(prismjs_js) defer)
+  script(src=url_for(prismjs_autoloader) defer)
  if (line_number)
-    script(src=url_for(prismjs_lineNumber_js))
+    script(src=url_for(prismjs_lineNumber_js) defer)
--- a/layout/includes/third-party/umami_analytics.pug
+++ b/layout/includes/third-party/umami_analytics.pug
@@ -31,7 +31,7 @@ script.
    const getData = async (isPost) => {
      try {
        const now = Date.now()
-        const keyUrl = isPost ? `&url=${window.location.pathname}` : ''
+        const keyUrl = isPost ? `&url=${window.location.pathname}&path=${window.location.pathname}` : ''
        const headerList = { 'Accept': 'application/json' }

        if (!{isServerURL}) {
@@ -62,8 +62,8 @@ script.
          const pagePV = document.getElementById('umamiPV')
          if (pagePV) {
            const data = await getData(true)
-            if (data && data.pageviews && typeof data.pageviews.value !== 'undefined') {
-              pagePV.textContent = data.pageviews.value
+            if (data && data.pageviews) {
+              pagePV.textContent = typeof data.pageviews.value !== 'undefined' ? data.pageviews.value : data.pageviews
            } else {
              console.warn('Umami Analytics: Invalid page view data received')
            }
@@ -75,8 +75,8 @@ script.

          if (config.site_uv) {
            const siteUV = document.getElementById('umami-site-uv')
-            if (siteUV && data && data.visitors && typeof data.visitors.value !== 'undefined') {
-              siteUV.textContent = data.visitors.value
+            if (siteUV && data && data.visitors) {
+              siteUV.textContent = typeof data.visitors.value !== 'undefined' ? data.visitors.value : data.visitors
            } else if (siteUV) {
              console.warn('Umami Analytics: Invalid site UV data received')
            }
@@ -84,8 +84,8 @@ script.

          if (config.site_pv) {
            const sitePV = document.getElementById('umami-site-pv')
-            if (sitePV && data && data.pageviews && typeof data.pageviews.value !== 'undefined') {
-              sitePV.textContent = data.pageviews.value
+            if (sitePV && data && data.pageviews) {
+              sitePV.textContent = typeof data.pageviews.value !== 'undefined' ? data.pageviews.value : data.pageviews
            } else if (sitePV) {
              console.warn('Umami Analytics: Invalid site PV data received')
            }
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
  "name": "hexo-theme-butterfly",
-  "version": "5.5.2",
+  "version": "5.5.3",
  "description": "A Simple and Card UI Design theme for Hexo",
  "main": "package.json",
  "scripts": {
--- a/plugins.yml
+++ b/plugins.yml
@@ -9,7 +9,7 @@ activate_power_mode:
 algolia_search:
  name: algoliasearch
  file: dist/lite/builds/browser.umd.js
-  version: 5.43.0
+  version: 5.46.0
 aplayer_css:
  name: aplayer
  file: dist/APlayer.min.css
@@ -66,12 +66,12 @@ docsearch_css:
  name: '@docsearch/css'
  other_name: docsearch-css
  file: dist/style.css
-  version: 4.3.1
+  version: 4.3.2
 docsearch_js:
  name: '@docsearch/js'
  other_name: docsearch-js
  file: dist/umd/index.js
-  version: 4.3.1
+  version: 4.3.2
 egjs_infinitegrid:
  name: '@egjs/infinitegrid'
  other_name: egjs-infinitegrid
@@ -80,12 +80,12 @@ egjs_infinitegrid:
 fancybox:
  name: '@fancyapps/ui'
  file: dist/fancybox/fancybox.umd.js
-  version: 6.1.4
+  version: 6.1.7
  other_name: fancyapps-ui
 fancybox_css:
  name: '@fancyapps/ui'
  file: dist/fancybox/fancybox.css
-  version: 6.1.4
+  version: 6.1.7
  other_name: fancyapps-ui
 fireworks:
  name: butterfly-extsrc
@@ -112,12 +112,12 @@ katex:
  name: katex
  file: dist/katex.min.css
  other_name: KaTeX
-  version: 0.16.25
+  version: 0.16.27
 katex_copytex:
  name: katex
  file: dist/contrib/copy-tex.min.js
  other_name: KaTeX
-  version: 0.16.25
+  version: 0.16.27
 lazyload:
  name: vanilla-lazyload
  file: dist/lazyload.iife.min.js
@@ -133,7 +133,7 @@ medium_zoom:
 mermaid:
  name: mermaid
  file: dist/mermaid.min.js
-  version: 11.12.1
+  version: 11.12.2
 meting_js:
  name: butterfly-extsrc
  file: metingjs/dist/Meting.min.js
@@ -199,9 +199,9 @@ waline_css:
  name: '@waline/client'
  file: dist/waline.css
  other_name: waline
-  version: 3.7.1
+  version: 3.8.0
 waline_js:
  name: '@waline/client'
  file: dist/waline.js
  other_name: waline
-  version: 3.7.1
+  version: 3.8.0
--- a/scripts/events/cdn.js
+++ b/scripts/events/cdn.js
@@ -46,45 +46,43 @@ hexo.extend.filter.register('before_generate', () => {
  }

  const createCDNLink = (data, type, cond = '') => {
-    Object.keys(data).forEach(key => {
-      let { name, version, file, other_name } = data[key]
-      const cdnjs_name = other_name || name
-      const cdnjs_file = file.replace(/^[lib|dist]*\/|browser\//g, '')
-      const min_cdnjs_file = minFile(cdnjs_file)
+    return Object.keys(data).reduce((result, key) => {
+      let { name, version, file, other_name: otherName } = data[key]
+      const cdnjsName = otherName || name
+      const cdnjsFile = file.replace(/^[lib|dist]*\/|browser\//g, '')
+      const minCdnjsFile = minFile(cdnjsFile)
      if (cond === 'internal') file = `source/${file}`
-      const min_file = minFile(file)
+      const minFilePath = minFile(file)
      const verType = CDN.version ? (type === 'local' ? `?v=${version}` : `@${version}`) : ''

      const value = {
        version,
        name,
        file,
-        cdnjs_file,
-        min_file,
-        min_cdnjs_file,
-        cdnjs_name
+        cdnjs_file: cdnjsFile,
+        min_file: minFilePath,
+        min_cdnjs_file: minCdnjsFile,
+        cdnjs_name: cdnjsName
      }

      const cdnSource = {
-        local: cond === 'internal' ? `${cdnjs_file + verType}` : `/pluginsSrc/${name}/${file + verType}`,
-        jsdelivr: `https://cdn.jsdelivr.net/npm/${name}${verType}/${min_file}`,
+        local: cond === 'internal' ? `${cdnjsFile + verType}` : `/pluginsSrc/${name}/${file + verType}`,
+        jsdelivr: `https://cdn.jsdelivr.net/npm/${name}${verType}/${minFilePath}`,
        unpkg: `https://unpkg.com/${name}${verType}/${file}`,
-        cdnjs: `https://cdnjs.cloudflare.com/ajax/libs/${cdnjs_name}/${version}/${min_cdnjs_file}`,
+        cdnjs: `https://cdnjs.cloudflare.com/ajax/libs/${cdnjsName}/${version}/${minCdnjsFile}`,
        custom: (CDN.custom_format || '').replace(/\$\{(.+?)\}/g, (match, $1) => value[$1])
      }

-      data[key] = cdnSource[type]
-    })
-
-    if (cond === 'internal') data.main_css = 'css/index.css' + (CDN.version ? `?v=${version}` : '')
-    return data
+      result[key] = cdnSource[type]
+      return result
+    }, cond === 'internal' ? { main_css: 'css/index.css' + (CDN.version ? `?v=${version}` : '') } : {})
  }

  // delete null value
  const deleteNullValue = obj => {
-    if (!obj) return
+    if (!obj) return {}
    for (const i in obj) {
-      obj[i] === null && delete obj[i]
+      if (obj[i] === null) delete obj[i]
    }
    return obj
  }
--- a/scripts/events/init.js
+++ b/scripts/events/init.js
@@ -17,7 +17,7 @@ function checkHexoEnvironment (hexo) {
  if (major < requiredMajor || (major === requiredMajor && minor < requiredMinor)) {
    log.error('Please update Hexo to V5.3.0 or higher!')
    log.error('請把 Hexo 升級到 V5.3.0 或更高的版本！')
-    process.exit(-1)
+    throw new Error('Hexo version too old')
  }

  // Check for deprecated configuration file
@@ -26,7 +26,7 @@ function checkHexoEnvironment (hexo) {
    if (data && data.butterfly) {
      log.error("'butterfly.yml' is deprecated. Please use '_config.butterfly.yml'")
      log.error("'butterfly.yml' 已經棄用，請使用 '_config.butterfly.yml'")
-      process.exit(-1)
+      throw new Error('Deprecated configuration file')
    }
  }
 }
--- a/scripts/filters/random_cover.js
+++ b/scripts/filters/random_cover.js
@@ -5,55 +5,64 @@
 'use strict'

 hexo.extend.generator.register('post', locals => {
-  const previousIndexes = []
+  const imgTestReg = /\.(png|jpe?g|gif|svg|webp|avif)(\?.*)?$/i
+  const { post_asset_folder: postAssetFolder } = hexo.config
+  const { cover: { default_cover: defaultCover } } = hexo.theme.config

-  const getRandomCover = defaultCover => {
-    if (!defaultCover) return false
-    if (!Array.isArray(defaultCover)) return defaultCover
+  function * createCoverGenerator () {
+    if (!defaultCover) {
+      while (true) yield false
+    }
+    if (!Array.isArray(defaultCover)) {
+      while (true) yield defaultCover
+    }

    const coverCount = defaultCover.length
-
    if (coverCount === 1) {
-      return defaultCover[0]
+      while (true) yield defaultCover[0]
    }

-    const maxPreviousIndexes = coverCount === 2 ? 1 : (coverCount === 3 ? 2 : 3)
+    const maxHistory = Math.min(3, coverCount - 1)
+    const history = []

-    let index
-    do {
-      index = Math.floor(Math.random() * coverCount)
-    } while (previousIndexes.includes(index) && previousIndexes.length < coverCount)
+    while (true) {
+      let index
+      do {
+        index = Math.floor(Math.random() * coverCount)
+      } while (history.includes(index))

-    previousIndexes.push(index)
-    if (previousIndexes.length > maxPreviousIndexes) {
-      previousIndexes.shift()
+      history.push(index)
+      if (history.length > maxHistory) history.shift()
+
+      yield defaultCover[index]
    }
-
-    return defaultCover[index]
  }

+  const coverGenerator = createCoverGenerator()
+
  const handleImg = data => {
-    const imgTestReg = /\.(png|jpe?g|gif|svg|webp|avif)(\?.*)?$/i
-    let { cover: coverVal, top_img: topImg } = data
+    let { cover: coverVal, top_img: topImg, pagination_cover: paginationCover } = data

    // Add path to top_img and cover if post_asset_folder is enabled
-    if (hexo.config.post_asset_folder) {
+    if (postAssetFolder) {
      if (topImg && topImg.indexOf('/') === -1 && imgTestReg.test(topImg)) {
        data.top_img = `${data.path}${topImg}`
      }
      if (coverVal && coverVal.indexOf('/') === -1 && imgTestReg.test(coverVal)) {
        data.cover = `${data.path}${coverVal}`
      }
+      if (paginationCover && paginationCover.indexOf('/') === -1 && imgTestReg.test(paginationCover)) {
+        data.pagination_cover = `${data.path}${paginationCover}`
+      }
    }

    if (coverVal === false) return data

    // If cover is not set, use random cover
    if (!coverVal) {
-      const { cover: { default_cover: defaultCover } } = hexo.theme.config
-      const randomCover = getRandomCover(defaultCover)
+      const randomCover = coverGenerator.next().value
      data.cover = randomCover
-      coverVal = randomCover // update coverVal
+      coverVal = randomCover
    }

    if (coverVal && (coverVal.indexOf('//') !== -1 || imgTestReg.test(coverVal))) {
@@ -63,7 +72,6 @@ hexo.extend.generator.register('post', locals => {
    return data
  }

-  // https://github.com/hexojs/hexo/blob/master/lib%2Fplugins%2Fgenerator%2Fpost.ts
  const posts = locals.posts.sort('date').toArray()
  const { length } = posts

--- a/scripts/helpers/aside_archives.js
+++ b/scripts/helpers/aside_archives.js
@@ -17,56 +17,43 @@ hexo.extend.helper.register('aside_archives', function (options = {}) {
  // Optimize locale handling
  const lang = toMomentLocale(page.lang || page.language || language)

-  // Memoize comparison function to improve performance
-  const compareFunc =
-    type === 'monthly'
-      ? (yearA, monthA, yearB, monthB) => yearA === yearB && monthA === monthB
-      : (yearA, yearB) => yearA === yearB
-
  // Early return if no posts
  if (!site.posts.length) return ''

-  // Use reduce for more efficient data processing
-  const data = site.posts.sort('date', order).reduce((acc, post) => {
-    let date = post.date.clone()
-    if (timezone) date = date.tz(timezone)
-
+  const archives = new Map()
+  site.posts.forEach(post => {
+    const date = post.date
    const year = date.year()
    const month = date.month() + 1
+    const key = type === 'yearly' ? year : `${year}-${month}`

-    if (lang) date = date.locale(lang)
-
-    // Find or create archive entry
-    const lastEntry = acc[acc.length - 1]
-
-    if (type === 'yearly') {
-      const existingYearIndex = acc.findIndex(entry => entry.year === year)
-      if (existingYearIndex !== -1) {
-        acc[existingYearIndex].count++
-      } else {
-        // 否則創建新條目
-        acc.push({
-          name: date.format(format),
-          year,
-          month,
-          count: 1
-        })
-      }
+    if (archives.has(key)) {
+      archives.get(key).count++
    } else {
-      if (!lastEntry || !compareFunc(lastEntry.year, lastEntry.month, year, month)) {
-        acc.push({
-          name: date.format(format),
-          year,
-          month,
-          count: 1
-        })
-      } else {
-        lastEntry.count++
-      }
+      archives.set(key, {
+        year,
+        month,
+        count: 1,
+        date // Store date object for later formatting
+      })
    }
+  })

-    return acc
-  }, [])
+  const data = Array.from(archives.values()).sort((a, b) => {
+    if (order === -1) {
+      return b.year - a.year || b.month - a.month
+    }
+    return a.year - b.year || a.month - b.month
+  })
+
+  // Format names after aggregation
+  data.forEach(item => {
+    let date = item.date.clone()
+    if (timezone) date = date.tz(timezone)
+    if (lang) date = date.locale(lang)
+    item.name = date.format(format)
+    delete item.date // Clean up
+  })

  // Create link generator function
  const createArchiveLink = item => {
--- a/scripts/helpers/aside_categories.js
+++ b/scripts/helpers/aside_categories.js
@@ -19,15 +19,33 @@ hexo.extend.helper.register('aside_categories', function (categories, options =
  const expandClass = isExpand && options.expand === true ? 'expand' : ''
  const buttonLabel = this._p('aside.more_button')

-  const prepareQuery = parent => {
-    const query = parent ? { parent } : { parent: { $exists: false } }
-    return categories.find(query).sort(orderby, order).filter(cat => cat.length)
+  const categoryMap = new Map()
+  categories.forEach(cat => {
+    if (cat.length) {
+      const parentId = cat.parent || 'root'
+      if (!categoryMap.has(parentId)) {
+        categoryMap.set(parentId, [])
+      }
+      categoryMap.get(parentId).push(cat)
+    }
+  })
+
+  const sortFn = (a, b) => {
+    const valA = a[orderby]
+    const valB = b[orderby]
+    if (valA < valB) return -order
+    if (valA > valB) return order
+    return 0
  }

-  const hierarchicalList = (remaining, level = 0, parent) => {
+  for (const list of categoryMap.values()) {
+    list.sort(sortFn)
+  }
+
+  const hierarchicalList = (remaining, level = 0, parentId = 'root') => {
    let result = ''
-    if (remaining > 0) {
-      prepareQuery(parent).forEach(cat => {
+    if (remaining > 0 && categoryMap.has(parentId)) {
+      categoryMap.get(parentId).forEach(cat => {
        if (remaining > 0) {
          remaining -= 1
          let child = ''
@@ -37,7 +55,8 @@ hexo.extend.helper.register('aside_categories', function (categories, options =
            remaining = childList.remaining
          }

-          const parentClass = isExpand && !parent && child ? 'parent' : ''
+          const isTopLevel = parentId === 'root'
+          const parentClass = isExpand && isTopLevel && child ? 'parent' : ''
          result += `<li class="card-category-list-item ${parentClass}">`
          result += `<a class="card-category-list-link" href="${this.url_for(cat.path)}">`
          result += `<span class="card-category-list-name">${cat.name}</span>`
@@ -46,7 +65,7 @@ hexo.extend.helper.register('aside_categories', function (categories, options =
            result += `<span class="card-category-list-count">${cat.length}</span>`
          }

-          if (isExpand && !parent && child) {
+          if (isExpand && isTopLevel && child) {
            result += `<i class="fas fa-caret-left ${expandClass}"></i>`
          }

--- a/scripts/helpers/getArchiveLength.js
+++ b/scripts/helpers/getArchiveLength.js
@@ -8,28 +8,29 @@ hexo.extend.helper.register('getArchiveLength', function () {
  // Archives Page
  if (!year) return posts.length

-  // Function to generate a unique key based on the granularity
-  const getKey = (post, type) => {
-    const date = post.date.clone()
-    const y = date.year()
-    const m = date.month() + 1
-    const d = date.date()
-    if (type === 'year') return `${y}`
-    if (type === 'month') return `${y}-${m}`
-    if (type === 'day') return `${y}-${m}-${d}`
-  }
-
  // Create a map to count posts per period
  const mapData = this.fragment_cache('createArchiveObj', () => {
    const map = new Map()
    posts.forEach(post => {
-      const keyYear = getKey(post, 'year')
-      const keyMonth = getKey(post, 'month')
-      const keyDay = getKey(post, 'day')
+      const date = post.date
+      const y = date.year()
+      const m = date.month() + 1
+      const d = date.date()

-      if (yearly) map.set(keyYear, (map.get(keyYear) || 0) + 1)
-      if (monthly) map.set(keyMonth, (map.get(keyMonth) || 0) + 1)
-      if (daily) map.set(keyDay, (map.get(keyDay) || 0) + 1)
+      if (yearly) {
+        const keyYear = `${y}`
+        map.set(keyYear, (map.get(keyYear) || 0) + 1)
+      }
+
+      if (monthly) {
+        const keyMonth = `${y}-${m}`
+        map.set(keyMonth, (map.get(keyMonth) || 0) + 1)
+      }
+
+      if (daily) {
+        const keyDay = `${y}-${m}-${d}`
+        map.set(keyDay, (map.get(keyDay) || 0) + 1)
+      }
    })
    return map
  })
--- a/scripts/helpers/page.js
+++ b/scripts/helpers/page.js
@@ -5,6 +5,12 @@ const { prettyUrls } = require('hexo-util')
 const crypto = require('crypto')
 const moment = require('moment-timezone')

+const absoluteUrlPattern = /^(?:[a-z][a-z\d+.-]*:)?\/\//i
+const relativeUrlPattern = /^(\.\/|\.\.\/|\/|[^/]+\/).*$/
+const colorPattern = /^(#|rgb|rgba|hsl|hsla)/i
+const simpleFilePattern = /\.(png|jpg|jpeg|gif|bmp|webp|svg|tiff)$/i
+const archiveRegex = /\/archives\//
+
 hexo.extend.helper.register('truncate', truncateContent)

 hexo.extend.helper.register('postDesc', data => {
@@ -20,32 +26,27 @@ hexo.extend.helper.register('cloudTags', function (options = {}) {
  }

  const sizes = [...new Set(source.map(tag => tag.length).sort((a, b) => a - b))]
+  const sizeMap = new Map(sizes.map((size, index) => [size, index]))
+  const length = sizes.length - 1

  const getRandomColor = () => {
-    const randomColor = () => Math.floor(Math.random() * 201)
-    const r = randomColor()
-    const g = randomColor()
-    const b = randomColor()
+    const r = Math.floor(Math.random() * 201)
+    const g = Math.floor(Math.random() * 201)
+    const b = Math.floor(Math.random() * 201)
    return `rgb(${Math.max(r, 50)}, ${Math.max(g, 50)}, ${Math.max(b, 50)})`
  }

  const generateStyle = (size, unit, page) => {
-    if (page === 'tags') {
-      return `font-size: ${parseFloat(size.toFixed(2)) + unit}; background-color: ${getRandomColor()};`
-    } else {
-      return `font-size: ${parseFloat(size.toFixed(2)) + unit}; color: ${getRandomColor()};`
-    }
+    const colorStyle = page === 'tags' ? `background-color: ${getRandomColor()};` : `color: ${getRandomColor()};`
+    return `font-size: ${parseFloat(size.toFixed(2))}${unit}; ${colorStyle}`
  }

-  const length = sizes.length - 1
-  const result = source.sort(orderby, order).map(tag => {
-    const ratio = length ? sizes.indexOf(tag.length) / length : 0
+  return source.sort(orderby, order).map(tag => {
+    const ratio = length ? sizeMap.get(tag.length) / length : 0
    const size = minfontsize + ((maxfontsize - minfontsize) * ratio)
    const style = generateStyle(size, unit, page)
    return `<a href="${env.url_for(tag.path)}" style="${style}">${tag.name}</a>`
  }).join('')
-
-  return result
 })

 hexo.extend.helper.register('urlNoIndex', function (url = null, trailingIndex = false, trailingHtml = false) {
@@ -77,7 +78,7 @@ hexo.extend.helper.register('findArchivesTitle', function (page, menu, date) {
        if (result) return result
      }

-      if (/\/archives\//.test(m[key])) {
+      if (archiveRegex.test(m[key])) {
        return key
      }
    }
@@ -89,13 +90,9 @@ hexo.extend.helper.register('findArchivesTitle', function (page, menu, date) {
 hexo.extend.helper.register('getBgPath', function (path) {
  if (!path) return ''

-  const absoluteUrlPattern = /^(?:[a-z][a-z\d+.-]*:)?\/\//i
-  const relativeUrlPattern = /^(\.\/|\.\.\/|\/|[^/]+\/).*$/
-  const colorPattern = /^(#|rgb|rgba|hsl|hsla)/i
-
  if (colorPattern.test(path)) {
    return `background-color: ${path};`
-  } else if (absoluteUrlPattern.test(path) || relativeUrlPattern.test(path)) {
+  } else if (absoluteUrlPattern.test(path) || relativeUrlPattern.test(path) || simpleFilePattern.test(path)) {
    return `background-image: url(${this.url_for(path)});`
  } else {
    return `background: ${path};`
@@ -104,39 +101,34 @@ hexo.extend.helper.register('getBgPath', function (path) {

 hexo.extend.helper.register('shuoshuoFN', (data, page) => {
  const { limit } = page
-  let finalResult = ''
+
+  // Shallow copy to avoid mutating original data
+  let processedData = data.map(item => ({ ...item }))

  // Check if limit.value is a valid date
  const isValidDate = date => !isNaN(Date.parse(date))

  // order by date
-  const orderByDate = data => data.sort((a, b) => Date.parse(b.date) - Date.parse(a.date))
+  processedData.sort((a, b) => Date.parse(b.date) - Date.parse(a.date))

  // Apply number limit or time limit conditionally
-  const limitData = data => {
-    if (limit && limit.type === 'num' && limit.value > 0) {
-      return data.slice(0, limit.value)
-    } else if (limit && limit.type === 'date' && isValidDate(limit.value)) {
-      const limitDate = Date.parse(limit.value)
-      return data.filter(item => Date.parse(item.date) >= limitDate)
-    }
-
-    return data
+  if (limit && limit.type === 'num' && limit.value > 0) {
+    processedData = processedData.slice(0, limit.value)
+  } else if (limit && limit.type === 'date' && isValidDate(limit.value)) {
+    const limitDate = Date.parse(limit.value)
+    processedData = processedData.filter(item => Date.parse(item.date) >= limitDate)
  }

-  orderByDate(data)
-  finalResult = limitData(data)
-
  // This is a hack method, because hexo treats time as UTC time
  // so you need to manually convert the time zone
-  finalResult.forEach(item => {
+  processedData.forEach(item => {
    const utcDate = moment.utc(item.date).format('YYYY-MM-DD HH:mm:ss')
    item.date = moment.tz(utcDate, hexo.config.timezone).format('YYYY-MM-DD HH:mm:ss')
    // markdown
    item.content = hexo.render.renderSync({ text: item.content, engine: 'markdown' })
  })

-  return finalResult
+  return processedData
 })

 hexo.extend.helper.register('getPageType', (page, isHome) => {
--- a/scripts/helpers/related_post.js
+++ b/scripts/helpers/related_post.js
@@ -9,14 +9,22 @@

 const { postDesc } = require('../common/postDesc')

-hexo.extend.helper.register('related_posts', function (currentPost, allPosts) {
-  let relatedPosts = []
+hexo.extend.helper.register('related_posts', function (currentPost) {
+  const relatedPosts = new Map()
  const tagsData = currentPost.tags
-  tagsData.length && tagsData.forEach(function (tag) {
-    allPosts.forEach(function (post) {
-      if (currentPost.path !== post.path && isTagRelated(tag.name, post.tags)) {
+
+  if (!tagsData || !tagsData.length) return ''
+
+  tagsData.forEach(tag => {
+    const posts = tag.posts
+    posts.forEach(post => {
+      if (currentPost.path === post.path) return
+
+      if (relatedPosts.has(post.path)) {
+        relatedPosts.get(post.path).weight += 1
+      } else {
        const getPostDesc = post.postDesc || postDesc(post, hexo)
-        const relatedPost = {
+        relatedPosts.set(post.path, {
          title: post.title,
          path: post.path,
          cover: post.cover,
@@ -24,22 +32,17 @@ hexo.extend.helper.register('related_posts', function (currentPost, allPosts) {
          weight: 1,
          updated: post.updated,
          created: post.date,
-          postDesc: getPostDesc
-        }
-        const index = findItem(relatedPosts, 'path', post.path)
-        if (index !== -1) {
-          relatedPosts[index].weight += 1
-        } else {
-          relatedPosts.push(relatedPost)
-        }
+          postDesc: getPostDesc,
+          random: Math.random()
+        })
      }
    })
  })

-  if (relatedPosts.length === 0) {
+  if (relatedPosts.size === 0) {
    return ''
  }
-  let result = ''
+
  const hexoConfig = hexo.config
  const config = hexo.theme.config

@@ -47,51 +50,42 @@ hexo.extend.helper.register('related_posts', function (currentPost, allPosts) {
  const dateType = config.related_post.date_type || 'created'
  const headlineLang = this._p('post.recommend')

-  relatedPosts = relatedPosts.sort(compare('weight'))
-
-  if (relatedPosts.length > 0) {
-    result += '<div class="relatedPosts">'
-    result += `<div class="headline"><i class="fas fa-thumbs-up fa-fw"></i><span>${headlineLang}</span></div>`
-    result += '<div class="relatedPosts-list">'
-
-    for (let i = 0; i < Math.min(relatedPosts.length, limitNum); i++) {
-      let { cover, title, path, cover_type, created, updated, postDesc } = relatedPosts[i]
-      const { escape_html, url_for, date } = this
-      cover = cover || 'var(--default-bg-color)'
-      title = escape_html(title)
-      const className = postDesc ? 'pagination-related' : 'pagination-related no-desc'
-      result += `<a class="${className}" href="${url_for(path)}" title="${title}">`
-      if (cover_type === 'img') {
-        result += `<img class="cover" src="${url_for(cover)}" alt="cover">`
-      } else {
-        result += `<div class="cover" style="background: ${cover}"></div>`
-      }
-      if (dateType === 'created') {
-        result += `<div class="info text-center"><div class="info-1"><div class="info-item-1"><i class="far fa-calendar-alt fa-fw"></i> ${date(created, hexoConfig.date_format)}</div>`
-      } else {
-        result += `<div class="info text-center"><div class="info-1"><div class="info-item-1"><i class="fas fa-history fa-fw"></i> ${date(updated, hexoConfig.date_format)}</div>`
-      }
-      result += `<div class="info-item-2">${title}</div></div>`
-
-      if (postDesc) {
-        result += `<div class="info-2"><div class="info-item-1">${postDesc}</div></div>`
-      }
-      result += '</div></a>'
+  const relatedPostsList = Array.from(relatedPosts.values()).sort((a, b) => {
+    if (b.weight !== a.weight) {
+      return b.weight - a.weight
    }
+    return b.random - a.random
+  })

-    result += '</div></div>'
-    return result
+  let result = '<div class="relatedPosts">'
+  result += `<div class="headline"><i class="fas fa-thumbs-up fa-fw"></i><span>${headlineLang}</span></div>`
+  result += '<div class="relatedPosts-list">'
+
+  for (let i = 0; i < Math.min(relatedPostsList.length, limitNum); i++) {
+    let { cover, title, path, cover_type, created, updated, postDesc } = relatedPostsList[i]
+    const { escape_html, url_for, date } = this
+    cover = cover || 'var(--default-bg-color)'
+    title = escape_html(title)
+    const className = postDesc ? 'pagination-related' : 'pagination-related no-desc'
+    result += `<a class="${className}" href="${url_for(path)}" title="${title}">`
+    if (cover_type === 'img') {
+      result += `<img class="cover" src="${url_for(cover)}" alt="cover">`
+    } else {
+      result += `<div class="cover" style="background: ${cover}"></div>`
+    }
+    if (dateType === 'created') {
+      result += `<div class="info text-center"><div class="info-1"><div class="info-item-1"><i class="far fa-calendar-alt fa-fw"></i> ${date(created, hexoConfig.date_format)}</div>`
+    } else {
+      result += `<div class="info text-center"><div class="info-1"><div class="info-item-1"><i class="fas fa-history fa-fw"></i> ${date(updated, hexoConfig.date_format)}</div>`
+    }
+    result += `<div class="info-item-2">${title}</div></div>`
+
+    if (postDesc) {
+      result += `<div class="info-2"><div class="info-item-1">${postDesc}</div></div>`
+    }
+    result += '</div></a>'
  }
+
+  result += '</div></div>'
+  return result
 })
-
-function isTagRelated (tagName, tags) {
-  return tags.some(tag => tag.name === tagName)
-}
-
-function findItem (arrayToSearch, attr, val) {
-  return arrayToSearch.findIndex(item => item[attr] === val)
-}
-
-function compare (attr) {
-  return (a, b) => b[attr] - a[attr]
-}
--- a/source/css/_global/function.styl
+++ b/source/css/_global/function.styl
@@ -159,7 +159,7 @@ if hexo-config('enter_transitions')
    animation: titleScale 1s

  canvas:not(#ribbon-canvas),
-  #web_bg
+  #web_bg.bg-animation
    animation: to_show 4s

  #ribbon-canvas
--- a/source/css/_highlight/highlight.styl
+++ b/source/css/_highlight/highlight.styl
@@ -113,6 +113,10 @@ $code-block
      margin: 2px

    i
+      display: inline-flex
+      justify-content: center
+      align-items: center
+      padding: 5px
      cursor: pointer
      transition: all .3s

@@ -128,7 +132,7 @@ $code-block

    if !$highlight_macstyle
      & > .macStyle
-        padding: 0
+        margin: 0

    .code-lang
      flex: 1 1 auto
@@ -182,6 +186,7 @@ if $highlight_macstyle
      .highlight-tools
        .macStyle
          display: flex
+          padding: 3px

          & > *
            margin-right: 8px
--- a/source/css/_mode/darkmode.styl
+++ b/source/css/_mode/darkmode.styl
@@ -130,6 +130,7 @@ if hexo-config('darkmode.enable') || hexo-config('display_mode') == 'dark'

    // hide-tags
    .hide-button,
+    .toggle-button,
    #post-outdate-notice,
    .error-img,
    .container iframe,
@@ -140,9 +141,9 @@ if hexo-config('darkmode.enable') || hexo-config('display_mode') == 'dark'

    img:not(.cover)
      if hexo-config('lazyload.enable') && hexo-config('lazyload.blur') && !hexo-config('lazyload.placeholder')
-        filter: blur(0) brightness(.8)
+        filter: blur(0) brightness(.88) contrast(.95)
      else
-        filter: brightness(.8)
+        filter: brightness(.88) contrast(.95)

    #aside-content .aside-list > .aside-list-item:not(:last-child)
      border-bottom: 1px dashed alpha(#FFFFFF, .1)
--- a/source/css/_mode/readmode.styl
+++ b/source/css/_mode/readmode.styl
@@ -42,6 +42,7 @@ if hexo-config('readmode')
      font-size: 16px
      transition: background .3s
      addBorderRadius(8)
+      @extend .btn-effects

      +maxWidth768()
        top: initial
--- a/source/css/_tags/hide.styl
+++ b/source/css/_tags/hide.styl
@@ -39,11 +39,26 @@
  border: 1px solid $tag-hide-toggle-bg
  addBorderRadius(5, true)

+  & > .toggle-content
+    margin: 30px 24px
+
  & > .toggle-button
    padding: 6px 15px
    background: $tag-hide-toggle-bg
    color: #1F2D3D
+    list-style: none
    cursor: pointer

-  & > .toggle-content
-    margin: 30px 24px
+    &::-webkit-details-marker
+      display: none
+
+    &::before
+      @extend .fontawesomeIcon
+      margin-right: 8px
+      content: '\f0d7'
+      transition: transform .3s ease
+      transform: rotate(-90deg)
+      transform-origin: center center
+
+  &[open] summary::before
+    transform: rotate(0)
--- a/source/js/main.js
+++ b/source/js/main.js
@@ -84,10 +84,17 @@ document.addEventListener('DOMContentLoaded', () => {
        const buttonRect = ele.getBoundingClientRect()
        const scrollTop = window.pageYOffset || document.documentElement.scrollTop
        const scrollLeft = window.pageXOffset || document.documentElement.scrollLeft
-        const finalTop = buttonRect.top + scrollTop - 40
-        const finalLeft = buttonRect.left + scrollLeft + buttonRect.width / 2

-        const topValue = ele.closest('figure.highlight').classList.contains('code-fullpage') ? finalTop + 60 : finalTop
+        // X-axis boundary check
+        const halfWidth = newEle.offsetWidth / 2
+        const centerLeft = buttonRect.left + scrollLeft + buttonRect.width / 2
+        const finalLeft = Math.max(halfWidth + 10, Math.min(window.innerWidth - halfWidth - 10, centerLeft))
+
+        // Show tooltip below button if too close to top
+        const normalTop = buttonRect.top + scrollTop - 40
+        const shouldShowBelow = buttonRect.top < 60 || normalTop < 10
+
+        const topValue = shouldShowBelow ? buttonRect.top + scrollTop + buttonRect.height + 10 : normalTop

        newEle.style.cssText = `
      top: ${topValue + 10}px;
@@ -111,6 +118,7 @@ document.addEventListener('DOMContentLoaded', () => {
        }, 800)
      }
    }
+
    const copy = async (text, ctx) => {
      try {
        await navigator.clipboard.writeText(text)
@@ -155,6 +163,7 @@ document.addEventListener('DOMContentLoaded', () => {

    // 獲取隱藏狀態下元素的真實高度
    const getActualHeight = item => {
+      if (item.offsetHeight > 0) return item.offsetHeight
      const hiddenElements = new Map()

      const fix = () => {
@@ -541,17 +550,29 @@ document.addEventListener('DOMContentLoaded', () => {
    const $articleList = $article.querySelectorAll('h1,h2,h3,h4,h5,h6')
    let detectItem = ''

+    // Optimization: Cache header positions
+    let headerList = []
+    const updateHeaderPositions = () => {
+      headerList = Array.from($articleList).map(ele => ({
+        ele,
+        top: btf.getEleTop(ele),
+        id: ele.id
+      }))
+    }
+
+    updateHeaderPositions()
+    btf.addEventListenerPjax(window, 'resize', btf.throttle(updateHeaderPositions, 200))
+
    const findHeadPosition = top => {
      if (top === 0) return false

      let currentId = ''
      let currentIndex = ''

-      for (let i = 0; i < $articleList.length; i++) {
-        const ele = $articleList[i]
-        if (top > btf.getEleTop(ele) - 80) {
-          const id = ele.id
-          currentId = id ? '#' + encodeURI(id) : ''
+      for (let i = 0; i < headerList.length; i++) {
+        const item = headerList[i]
+        if (top > item.top - 80) {
+          currentId = item.id ? '#' + encodeURI(item.id) : ''
          currentIndex = i
        } else {
          break
@@ -629,7 +650,8 @@ document.addEventListener('DOMContentLoaded', () => {

      $body.classList.add('read-mode')
      newEle.type = 'button'
-      newEle.className = 'fas fa-sign-out-alt exit-readmode'
+      newEle.className = 'exit-readmode'
+      newEle.innerHTML = '<i class="fas fa-sign-out-alt"></i>'
      newEle.addEventListener('click', exitReadMode)
      $body.appendChild(newEle)
    },
--- a/source/js/utils.js
+++ b/source/js/utils.js
@@ -14,37 +14,35 @@
      }
    },

-    throttle: function (func, wait, options = {}) {
-      let timeout, context, args
+    throttle: (func, wait, options = {}) => {
+      let timeout, args
      let previous = 0

      const later = () => {
        previous = options.leading === false ? 0 : new Date().getTime()
        timeout = null
-        func.apply(context, args)
-        if (!timeout) context = args = null
+        func(...args)
+        if (!timeout) args = null
      }

-      const throttled = (...params) => {
+      return (...params) => {
        const now = new Date().getTime()
        if (!previous && options.leading === false) previous = now
        const remaining = wait - (now - previous)
-        context = this
        args = params
+
        if (remaining <= 0 || remaining > wait) {
          if (timeout) {
            clearTimeout(timeout)
            timeout = null
          }
          previous = now
-          func.apply(context, args)
-          if (!timeout) context = args = null
+          func(...args)
+          if (!timeout) args = null
        } else if (!timeout && options.trailing !== false) {
          timeout = setTimeout(later, remaining)
        }
      }
-
-      return throttled
    },

    overflowPaddingR: {
@@ -169,17 +167,7 @@

    isHidden: ele => ele.offsetHeight === 0 && ele.offsetWidth === 0,

-    getEleTop: ele => {
-      let actualTop = ele.offsetTop
-      let current = ele.offsetParent
-
-      while (current !== null) {
-        actualTop += current.offsetTop
-        current = current.offsetParent
-      }
-
-      return actualTop
-    },
+    getEleTop: ele => ele.getBoundingClientRect().top + window.scrollY,

    loadLightbox: ele => {
      const service = GLOBAL_CONFIG.lightbox
@@ -190,7 +178,7 @@
      }

      if (service === 'fancybox') {
-        Array.from(ele).forEach(i => {
+        ele.forEach(i => {
          if (i.parentNode.tagName !== 'A') {
            const dataSrc = i.dataset.lazySrc || i.src
            const dataCaption = i.title || i.alt || ''