diff --git a/_config.yml b/_config.yml
index da4ee3d..36c9211 100644
--- a/_config.yml
+++ b/_config.yml
@@ -659,7 +659,7 @@ artalk:
 # --------------------------------------
 
 chat:
-  # Choose: chatra/tidio/crisp
+  # Choose: chatra/tidio/crisp/knocket
   # Leave it empty if you don't need chat
   use:
   # Chat Button [recommend]
@@ -680,6 +680,10 @@ tidio:
 crisp:
   website_id:
 
+# https://trtc.io/solutions/knocket
+knocket:
+  identifier:
+
 # --------------------------------------
 # Analysis
 # --------------------------------------
diff --git a/layout/includes/page/shuoshuo.pug b/layout/includes/page/shuoshuo.pug
index 3e5f15b..fd93334 100644
--- a/layout/includes/page/shuoshuo.pug
+++ b/layout/includes/page/shuoshuo.pug
@@ -54,6 +54,8 @@
       (() => {
         const limitConfig = !{ JSON.stringify(page.limit || {}) }
 
+        const escapeHtml = str => String(str).replace(/&/g, '&amp;').replace(/</g, '&lt;').replace(/>/g, '&gt;').replace(/"/g, '&quot;').replace(/'/g, '&#39;')
+
         const sortDataByDate = data => data.sort((a, b) => new Date(b.date) - new Date(a.date))
 
         const filterDataByLimit = (data, limit) => {
@@ -64,49 +66,47 @@
             return data.filter(item => new Date(item.date) >= limitDate)
           }
           return data
-        };
+        }
+
+        const dateFormatter = new Intl.DateTimeFormat('en-GB', {
+          timeZone: !{JSON.stringify(config.timezone || '')} || Intl.DateTimeFormat().resolvedOptions().timeZone,
+          year: 'numeric',
+          month: '2-digit',
+          day: '2-digit',
+          hour: '2-digit',
+          minute: '2-digit',
+          second: '2-digit',
+          hour12: false
+        })
 
         const formatToTimeZone = (date) => {
           const fullDate = date.length === 10 ? `${date} 00:00:00` : date
-          const visitorTimeZone = '#{config.timezone}' || Intl.DateTimeFormat().resolvedOptions().timeZone
-          const options = {
-            timeZone: visitorTimeZone,
-            year: 'numeric',
-            month: '2-digit',
-            day: '2-digit',
-            hour: '2-digit',
-            minute: '2-digit',
-            second: '2-digit',
-            hour12: false
-          }
-          const [day, month, year, hour, minute, second] = new Intl.DateTimeFormat('en-GB', options)
-            .format(new Date(fullDate))
-            .match(/\d+/g)
+          const [day, month, year, hour, minute, second] = dateFormatter.format(new Date(fullDate)).match(/\d+/g)
           return `${year}-${month}-${day} ${hour}:${minute}:${second}`
         }
 
         const addLazyload = str => {
-          const config = {
+          const lazyConfig = {
             enable: !{Boolean(enable)},
             native: !{Boolean(native)},
-            field: '!{field}',
-            placeholder: '!{url_for(placeholder)}',
+            field: !{JSON.stringify(field || '')},
+            placeholder: !{JSON.stringify(url_for(placeholder))},
           }
 
-          if (!config.enable || config.field !== 'site') return str
+          if (!lazyConfig.enable || lazyConfig.field !== 'site' || str.indexOf('<img') === -1) return str
           const parser = new DOMParser()
           const doc = parser.parseFromString(str, 'text/html')
           const images = doc.querySelectorAll('img')
 
           images.forEach(img => {
-            if (config.native) {
+            if (lazyConfig.native) {
               img.setAttribute('loading', 'lazy')
             } else {
               const src = img.getAttribute('src')
               img.setAttribute('data-lazy-src', src)
 
-              if (config.placeholder) {
-                img.setAttribute('src', config.placeholder)
+              if (lazyConfig.placeholder) {
+                img.setAttribute('src', lazyConfig.placeholder)
               } else {
                 img.removeAttribute('src')
               }
@@ -119,19 +119,18 @@
         const itemsPerPage = 8
         let totalPages = 0
         let data = []
-        let inputEventsAttached = false // Flag to mark if input event listeners have been added
 
         const renderData = (dataSlice) => {
           const content = dataSlice.map(item => {
             const formattedDate = formatToTimeZone(item.date)
-            const tags = item.tags && item.tags.map(tag => `<span class="shuoshuo-tag">${tag}</span>`).join('') || ''
-            const commentButton = item.key && !{commentsJsLoad}
+            const tags = item.tags && item.tags.map(tag => `<span class="shuoshuo-tag">${escapeHtml(tag)}</span>`).join('') || ''
+            const commentButton = item.key && !{commentsJsLoad || false}
               ? `<div class="shuoshuo-comment-btn" onclick="addCommentToShuoshuo(event)">
                   <i class="fa-solid fa-comments"></i>
                 </div>`
               : ''
             const commentContainer = item.key
-              ? `<div class="shuoshuo-comment no-comment" data-key="${item.key}"></div>`
+              ? `<div class="shuoshuo-comment no-comment" data-key="${escapeHtml(item.key)}"></div>`
               : ''
 
             return `
@@ -139,10 +138,10 @@
                 <div class="container">
                   <div class="shuoshuo-item-header">
                     <div class="shuoshuo-avatar">
-                      <img class="no-lightbox" src="${item.avatar || '!{url_for(theme.avatar.img)}'}">
+                      <img class="no-lightbox" src="${item.avatar ? escapeHtml(item.avatar) : !{JSON.stringify(url_for(theme.avatar.img))}}">
                     </div>
                     <div class="shuoshuo-info">
-                      <div class="shuoshuo-author">${item.author || '!{config.author}'}</div>
+                      <div class="shuoshuo-author">${item.author ? escapeHtml(item.author) : !{JSON.stringify(config.author || '')}}</div>
                       <time class="shuoshuo-date" title="${formattedDate}">
                         ${btf.diffDate(formattedDate, true)}
                       </time>
@@ -165,70 +164,94 @@
           btf.loadLightbox(document.querySelectorAll('#article-container img:not(.no-lightbox)'))
         }
 
+        const setupNavEvents = (nav) => {
+          nav.querySelector('.shuoshuo-prev-btn').addEventListener('click', () => {
+            if (currentPage > 1) { currentPage--; renderPage(currentPage) }
+          })
+          nav.querySelector('.shuoshuo-next-btn').addEventListener('click', () => {
+            if (currentPage < totalPages) { currentPage++; renderPage(currentPage) }
+          })
+
+          const input = nav.querySelector('.shuoshuo-page-input')
+
+          input.addEventListener('focus', e => { e.target.placeholder = '' })
+          input.addEventListener('blur', e => {
+            if (!e.target.value.trim()) e.target.placeholder = currentPage
+          })
+
+          input.addEventListener('input', e => {
+            const value = parseInt(e.target.value) || 0
+            let wasInvalid = false
+
+            if (value > totalPages) { e.target.value = totalPages; wasInvalid = true }
+            else if (value < 1 && e.target.value !== '') { e.target.value = 1; wasInvalid = true }
+
+            if (wasInvalid) {
+              e.target.classList.add('invalid')
+              setTimeout(() => e.target.classList.remove('invalid'), 500)
+            }
+          })
+
+          input.addEventListener('keydown', e => {
+            const value = e.target.value + e.key
+
+            if (e.key === 'Enter' || e.key === 'Backspace' || e.key === 'Delete' ||
+                e.key === 'ArrowLeft' || e.key === 'ArrowRight' ||
+                e.key === 'Tab' || e.ctrlKey || e.metaKey) {
+              if (e.key === 'Enter') {
+                const inputValue = e.target.value.trim()
+                const inputPage = inputValue === '' ? currentPage : parseInt(inputValue)
+                if (inputPage >= 1 && inputPage <= totalPages && inputPage !== currentPage) {
+                  currentPage = inputPage
+                  renderPage(currentPage)
+                } else if (inputValue === '') {
+                  renderPage(currentPage)
+                }
+              }
+              return
+            }
+
+            if (!/^\d$/.test(e.key)) {
+              e.preventDefault()
+              return
+            }
+
+            const newValue = parseInt(value) || 0
+            if (newValue > totalPages || (value.length > 1 && newValue === 0)) {
+              e.preventDefault()
+              e.target.classList.add('invalid')
+              setTimeout(() => e.target.classList.remove('invalid'), 500)
+            }
+          })
+        }
+
         const renderNavigation = () => {
           const container = document.getElementById('article-container')
-          const existingNav = container.nextElementSibling
-          if (existingNav && existingNav.classList.contains('shuoshuo-navigation')) {
-            existingNav.remove()
-          }
-
+          let nav = container.nextElementSibling
           const pageInfoTemplate = '#{__('pagination.page_info')}'
           const pageInfoText = pageInfoTemplate
             .replace(/\$\{current}/g, currentPage)
             .replace(/\$\{total}/g, totalPages)
 
-          const navHtml = `
-            <div class="shuoshuo-navigation">
-              <button onclick="window.shuoshuoPrevPage()" ${currentPage === 1 ? 'disabled' : ''}><i class="fa-solid fa-chevron-left"></i></button>
-              <span class="shuoshuo-page-info">${pageInfoText}</span>
-              <input type="number" class="shuoshuo-page-input" min="1" max="${totalPages}" placeholder="${currentPage}" onkeydown="window.shuoshuoHandleKeyDown(event)">
-              <button onclick="window.shuoshuoNextPage()" ${currentPage === totalPages ? 'disabled' : ''}><i class="fa-solid fa-chevron-right"></i></button>
-            </div>
-          `
-          container.insertAdjacentHTML('afterend', navHtml)
-
-          // Add input validation event listeners (only once)
-          if (!inputEventsAttached) {
-            setTimeout(() => {
-              const input = document.querySelector('.shuoshuo-page-input')
-              if (input) {
-                // Clear placeholder when clicking the input box
-                input.addEventListener('focus', (event) => {
-                  event.target.placeholder = ''
-                })
-
-                // Restore placeholder if no content when losing focus
-                input.addEventListener('blur', (event) => {
-                  if (!event.target.value.trim()) {
-                    event.target.placeholder = currentPage
-                  }
-                })
-
-                input.addEventListener('input', (event) => {
-                  const value = parseInt(event.target.value) || 0
-                  let wasInvalid = false
-
-                  if (value > totalPages) {
-                    event.target.value = totalPages
-                    wasInvalid = true
-                  } else if (value < 1 && event.target.value !== '') {
-                    event.target.value = 1
-                    wasInvalid = true
-                  }
-
-                  // If value is corrected, show red and shake effect
-                  if (wasInvalid) {
-                    event.target.classList.add('invalid')
-                    setTimeout(() => {
-                      event.target.classList.remove('invalid')
-                    }, 500)
-                  }
-                })
-
-                inputEventsAttached = true // Mark that event listeners have been added
-              }
-            }, 0)
+          if (!nav || !nav.classList.contains('shuoshuo-navigation')) {
+            nav = document.createElement('div')
+            nav.className = 'shuoshuo-navigation'
+            nav.innerHTML = `
+              <button class="shuoshuo-prev-btn"><i class="fa-solid fa-chevron-left"></i></button>
+              <span class="shuoshuo-page-info"></span>
+              <input type="number" class="shuoshuo-page-input" min="1">
+              <button class="shuoshuo-next-btn"><i class="fa-solid fa-chevron-right"></i></button>
+            `
+            container.insertAdjacentElement('afterend', nav)
+            setupNavEvents(nav)
           }
+
+          nav.querySelector('.shuoshuo-page-info').textContent = pageInfoText
+          nav.querySelector('.shuoshuo-prev-btn').disabled = currentPage === 1
+          nav.querySelector('.shuoshuo-next-btn').disabled = currentPage === totalPages
+          const input = nav.querySelector('.shuoshuo-page-input')
+          input.max = totalPages
+          input.placeholder = currentPage
         }
 
         const renderPage = (page) => {
@@ -239,79 +262,14 @@
           renderNavigation()
         }
 
-        window.shuoshuoPrevPage = () => {
-          if (currentPage > 1) {
-            currentPage--
-            renderPage(currentPage)
-          }
-        }
-
-        window.shuoshuoNextPage = () => {
-          if (currentPage < totalPages) {
-            currentPage++
-            renderPage(currentPage)
-          }
-        }
-
-        window.shuoshuoGoToPage = (page) => {
-          if (typeof page === 'number') {
-            // Directly jump to the specified page
-            if (page >= 1 && page <= totalPages && page !== currentPage) {
-              currentPage = page
-              renderPage(currentPage)
-            }
-          } else {
-            // Get page from input box
-            const input = document.querySelector('.shuoshuo-page-input')
-            const inputValue = input.value.trim()
-            const inputPage = inputValue === '' ? currentPage : parseInt(inputValue)
-            if (inputPage >= 1 && inputPage <= totalPages && inputPage !== currentPage) {
-              currentPage = inputPage
-              renderPage(currentPage)
-            } else if (inputValue === '') {
-              // If input box is empty, re-render current page (update placeholder)
-              renderPage(currentPage)
-            }
-          }
-        }
-
-        window.shuoshuoHandleKeyDown = (event) => {
-          const input = event.target
-          const value = input.value + event.key
-
-          // Allow delete, arrow keys, backspace, etc.
-          if (event.key === 'Enter' || event.key === 'Backspace' || event.key === 'Delete' ||
-              event.key === 'ArrowLeft' || event.key === 'ArrowRight' ||
-              event.key === 'Tab' || event.ctrlKey || event.metaKey) {
-            if (event.key === 'Enter') {
-              window.shuoshuoGoToPage()
-            }
-            return
-          }
-
-          // Only allow numbers
-          if (!/^\d$/.test(event.key)) {
-            event.preventDefault()
-            return
-          }
-
-          // Check if the value after input exceeds the range
-          const newValue = parseInt(value) || 0
-          if (newValue > totalPages || (value.length > 1 && newValue === 0)) {
-            event.preventDefault()
-            // Add red and shake effect
-            input.classList.add('invalid')
-            setTimeout(() => {
-              input.classList.remove('invalid')
-            }, 500)
-          }
-        }
-
         const loadShuoshuo = async () => {
+          const container = document.getElementById('article-container')
           try {
             let originData = []
             if (!{Boolean(page.shuoshuo_url)}) {
+              container.innerHTML = '<div class="shuoshuo-loading"><i class="fa-solid fa-circle-notch fa-spin"></i></div>'
               const response = await fetch('!{url_for(page.shuoshuo_url)}')
+              if (!response.ok) throw new Error(`HTTP ${response.status}`)
               originData = await response.json()
             } else {
               const dataElement = document.getElementById('shuoshuo-data')
@@ -319,14 +277,33 @@
             }
 
             data = filterDataByLimit(sortDataByDate(originData), limitConfig)
-
             totalPages = Math.ceil(data.length / itemsPerPage)
 
+            if (data.length === 0) {
+              container.innerHTML = '<div class="shuoshuo-empty"></div>'
+              return
+            }
+
             renderPage(currentPage)
           } catch (error) {
             console.error(error)
+            container.innerHTML = '<div class="shuoshuo-error"><i class="fa-solid fa-circle-exclamation"></i></div>'
           }
-        };
+        }
 
-        window.pjax ? loadShuoshuo() : window.addEventListener('load', loadShuoshuo)
-      })()
\ No newline at end of file
+        const pjaxCleanup = () => {
+          const container = document.getElementById('article-container')
+          if (container) {
+            const nav = container.nextElementSibling
+            if (nav && nav.classList.contains('shuoshuo-navigation')) nav.remove()
+          }
+          document.removeEventListener('pjax:send', pjaxCleanup)
+        }
+
+        if (window.pjax) {
+          document.addEventListener('pjax:send', pjaxCleanup)
+          loadShuoshuo()
+        } else {
+          window.addEventListener('load', loadShuoshuo)
+        }
+      })()
diff --git a/layout/includes/third-party/abcjs/abcjs.pug b/layout/includes/third-party/abcjs/abcjs.pug
index 22a98b8..56408f2 100644
--- a/layout/includes/third-party/abcjs/abcjs.pug
+++ b/layout/includes/third-party/abcjs/abcjs.pug
@@ -2,8 +2,11 @@ script.
   (() => {
     const abcjsInit = () => {
       const abcjsFn = () => {
+        const $article = document.getElementById("article-container")
+        if (!$article || $article.querySelector(".hbe-container")) return
+
         setTimeout(() => {
-          const sheets = document.querySelectorAll(".abc-music-sheet")
+          const sheets = $article.querySelectorAll(".abc-music-sheet")
           for (let i = 0; i < sheets.length; i++) {
             const ele = sheets[i]
             if (ele.children.length > 0) continue
@@ -29,7 +32,7 @@ script.
         }, 100)
       }
 
-      if (typeof ABCJS === "object") {
+      if (typeof ABCJS === "object" && ABCJS !== null) {
         abcjsFn()
       } else {
         btf.getScript("!{url_for(theme.asset.abcjs_basic_js)}").then(abcjsFn)
diff --git a/layout/includes/third-party/card-post-count/waline.pug b/layout/includes/third-party/card-post-count/waline.pug
index 96e9657..389d9ea 100644
--- a/layout/includes/third-party/card-post-count/waline.pug
+++ b/layout/includes/third-party/card-post-count/waline.pug
@@ -8,7 +8,7 @@ script.
 
         const res = await fetch(`!{serverURL}/api/comment?type=count&url=${keyArray}`, { method: 'GET' })
         const result = await res.json()
-        
+
         result.data.forEach((count, index) => {
           eleGroup[index].textContent = count
         })
diff --git a/layout/includes/third-party/chat/chatra.pug b/layout/includes/third-party/chat/chatra.pug
index e4a6900..3279d77 100644
--- a/layout/includes/third-party/chat/chatra.pug
+++ b/layout/includes/third-party/chat/chatra.pug
@@ -6,10 +6,14 @@ script.
       (window.Chatra.q = window.Chatra.q || []).push(arguments)
     }
 
-    btf.getScript('https://call.chatra.io/chatra.js').then(() => {
-      const isChatBtn = !{theme.chat.rightside_button}
-      const isChatHideShow = !{theme.chat.button_hide_show}
+    const isChatBtn = !{theme.chat.rightside_button}
+    const isChatHideShow = !{theme.chat.button_hide_show}
 
+    if (isChatBtn) {
+      window.ChatraSetup = { startHidden: true }
+    }
+
+    btf.getScript('https://call.chatra.io/chatra.js').then(() => {
       if (isChatBtn) {
         const close = () => {
           Chatra('minimizeWidget')
@@ -21,11 +25,13 @@ script.
           Chatra('show')
         }
 
-        window.ChatraSetup = { startHidden: true }
-      
-        window.chatBtnFn = () => document.getElementById('chatra').classList.contains('chatra--expanded') ? close() : open()
+        window.chatBtnFn = () => {
+          const el = document.getElementById('chatra')
+          return el && el.classList.contains('chatra--expanded') ? close() : open()
+        }
 
-        document.getElementById('chat-btn').style.display = 'block'
+        const chatBtn = document.getElementById('chat-btn')
+        if (chatBtn) chatBtn.style.display = 'block'
       } else if (isChatHideShow) {
         window.chatBtn = {
           hide: () => Chatra('hide'),
diff --git a/layout/includes/third-party/chat/crisp.pug b/layout/includes/third-party/chat/crisp.pug
index 6485566..38e094b 100644
--- a/layout/includes/third-party/chat/crisp.pug
+++ b/layout/includes/third-party/chat/crisp.pug
@@ -21,7 +21,8 @@ script.
 
         window.chatBtnFn = () => $crisp.is("chat:visible") ? close() : open()
 
-        document.getElementById('chat-btn').style.display = 'block'
+        const chatBtn = document.getElementById('chat-btn')
+        if (chatBtn) chatBtn.style.display = 'block'
       } else if (isChatHideShow) {
         window.chatBtn = {
           hide: () => $crisp.push(["do", "chat:hide"]),
diff --git a/layout/includes/third-party/chat/index.pug b/layout/includes/third-party/chat/index.pug
index dada453..4d6a942 100644
--- a/layout/includes/third-party/chat/index.pug
+++ b/layout/includes/third-party/chat/index.pug
@@ -3,5 +3,7 @@ case theme.chat.use
     include ./chatra.pug
   when 'tidio'
     include ./tidio.pug
-  when 'crisp'
-    include ./crisp.pug
\ No newline at end of file
+  when 'crisp'
+    include ./crisp.pug
+  when 'knocket'
+    include ./knocket.pug
diff --git a/layout/includes/third-party/chat/knocket.pug b/layout/includes/third-party/chat/knocket.pug
new file mode 100644
index 0000000..039055e
--- /dev/null
+++ b/layout/includes/third-party/chat/knocket.pug
@@ -0,0 +1,42 @@
+//- Knocket live chat — https://trtc.io/solutions/knocket
+script.
+  (() => {
+    const identifier = !{JSON.stringify(theme.knocket.identifier || '').replace(/</g, '\\u003c')}
+    if (!identifier) return
+
+    btf.getScript(`https://trtc.io/knocket-sdk/sdk.js?identifier=${encodeURIComponent(identifier)}`).then(() => {
+      const isChatBtn = !{theme.chat.rightside_button}
+      const isChatHideShow = !{theme.chat.button_hide_show}
+
+      let widget = null
+      const getWidget = () => widget || (widget = document.getElementById('contact-widget-auto'))
+
+      if (isChatBtn) {
+        const hide = () => { const w = getWidget(); if (w) w.style.display = 'none' }
+        const show = () => { const w = getWidget(); if (w) w.style.display = '' }
+
+        // Hide the native Knocket floating button
+        const observer = new MutationObserver(() => {
+          if (getWidget()) { hide(); observer.disconnect() }
+        })
+        observer.observe(document.body, { childList: true, subtree: true })
+        hide()
+
+        window.chatBtnFn = () => {
+          const w = getWidget()
+          if (!w) return
+          w.style.display = w.style.display === 'none' ? '' : 'none'
+        }
+
+        const chatBtn = document.getElementById('chat-btn')
+        if (chatBtn) chatBtn.style.display = 'block'
+      } else if (isChatHideShow) {
+        window.chatBtn = {
+          hide: () => { const w = getWidget(); if (w) w.style.display = 'none' },
+          show: () => { const w = getWidget(); if (w) w.style.display = '' }
+        }
+      }
+    }).catch(error => {
+      console.warn('[Knocket] Failed to load the chat SDK.', error)
+    })
+  })()
diff --git a/layout/includes/third-party/chat/tidio.pug b/layout/includes/third-party/chat/tidio.pug
index 83ca1ec..0ee4ae0 100644
--- a/layout/includes/third-party/chat/tidio.pug
+++ b/layout/includes/third-party/chat/tidio.pug
@@ -10,7 +10,7 @@ script.
           window.tidioChatApi.hide()
           isShow = false
         }
-        
+
         const open = () => {
           window.tidioChatApi.open()
           window.tidioChatApi.show()
@@ -32,8 +32,8 @@ script.
           isShow ? close() : open()
         }
 
-        document.getElementById('chat-btn').style.display = 'block'
-
+        const chatBtn = document.getElementById('chat-btn')
+        if (chatBtn) chatBtn.style.display = 'block'
       } else if (isChatHideShow) {
         window.chatBtn = {
           hide: () => window.tidioChatApi && window.tidioChatApi.hide(),
diff --git a/layout/includes/third-party/comments/disqusjs.pug b/layout/includes/third-party/comments/disqusjs.pug
index ef2a235..ddf5b37 100644
--- a/layout/includes/third-party/comments/disqusjs.pug
+++ b/layout/includes/third-party/comments/disqusjs.pug
@@ -3,7 +3,7 @@
 
 script.
   (() => {
-    const isShuoshuo = GLOBAL_CONFIG_SITE.pageType === 'shuoshuo'== 'shuoshuo'
+    const isShuoshuo = GLOBAL_CONFIG_SITE.pageType === 'shuoshuo'
     const dqOption = !{JSON.stringify(dqOption)}
 
     const destroyDisqusjs = () => {
diff --git a/layout/includes/third-party/comments/facebook_comments.pug b/layout/includes/third-party/comments/facebook_comments.pug
index 25945db..bd8efbb 100644
--- a/layout/includes/third-party/comments/facebook_comments.pug
+++ b/layout/includes/third-party/comments/facebook_comments.pug
@@ -3,7 +3,7 @@
 
 script.
   (()=>{
-    const isShuoshuo = GLOBAL_CONFIG_SITE.pageType === 'shuoshuo'== 'shuoshuo'
+    const isShuoshuo = GLOBAL_CONFIG_SITE.pageType === 'shuoshuo'
 
     const loadFBComment = (el = document, path) => {
       if (isShuoshuo) {
diff --git a/layout/includes/third-party/math/mathjax.pug b/layout/includes/third-party/math/mathjax.pug
index b22d993..660eeca 100644
--- a/layout/includes/third-party/math/mathjax.pug
+++ b/layout/includes/third-party/math/mathjax.pug
@@ -2,7 +2,22 @@
 - const { tags, enableMenu } = theme.math.mathjax
 script.
   (() => {
+    const changeScriptToMath = article => {
+      article.querySelectorAll('script[type^="math/tex"]').forEach(el => {
+        const display = /mode=display/.test(el.type)
+        const node = document.createElement(display ? 'div' : 'span')
+        node.textContent = display
+          ? `$$${el.textContent}$$`
+          : `$${el.textContent}$`
+        el.parentNode.replaceChild(node, el)
+      })
+    }
+
     const loadMathjax = () => {
+      const article = document.getElementById('article-container')
+      if (!article || article.querySelector('.hbe-container')) return
+      changeScriptToMath(article)
+
       if (!window.MathJax) {
         window.MathJax = {
           loader: {
@@ -11,7 +26,8 @@ script.
               //- '[tex]/bbm',
               //- '[tex]/bboldx',
               //- '[tex]/dsfont',
-              '[tex]/mhchem'
+              '[tex]/mhchem',
+              'ui/lazy'
             ],
             paths: {
               'mathjax-newcm': '[mathjax]/../@mathjax/mathjax-newcm-font',
@@ -39,25 +55,13 @@ script.
             scale: 1.1
           },
           options: {
+            lazyMargin: '200px',
             enableMenu: !{enableMenu},
             menuOptions: {
               settings: {
                 enrich: false  // Turn off Braille and voice narration text automatic generation
               }
             },
-            renderActions: {
-              findScript: [10, doc => {
-                for (const node of document.querySelectorAll('script[type^="math/tex"]')) {
-                  const display = !!node.type.match(/; *mode=display/)
-                  const math = new doc.options.MathItem(node.textContent, doc.inputJax[0], display)
-                  const text = document.createTextNode('')
-                  node.parentNode.replaceChild(text, node)
-                  math.start = {node: text, delim: '', n: 0}
-                  math.end = {node: text, delim: '', n: 0}
-                  doc.math.push(math)
-                }
-              }, '']
-            }
           }
         }
 
@@ -67,9 +71,8 @@ script.
         script.async = true
         document.head.appendChild(script)
       } else {
-        MathJax.startup.document.state(0)
-        MathJax.texReset()
-        MathJax.typesetPromise()
+        MathJax.typesetClear()
+        MathJax.typesetPromise([ article ])
       }
     }
 
diff --git a/layout/includes/third-party/math/mermaid.pug b/layout/includes/third-party/math/mermaid.pug
index f1d26b0..dd04714 100644
--- a/layout/includes/third-party/math/mermaid.pug
+++ b/layout/includes/third-party/math/mermaid.pug
@@ -51,7 +51,7 @@ script.
         clone.setAttribute('viewBox', initViewBox.join(' '))
       }
       if (!clone.getAttribute('xmlns')) clone.setAttribute('xmlns', 'http://www.w3.org/2000/svg')
-      if (!clone.getAttribute('xmlns:xlink') && clone.outerHTML.includes('xlink:')) {
+      if (!clone.getAttribute('xmlns:xlink') && clone.innerHTML.includes('xlink:')) {
         clone.setAttribute('xmlns:xlink', 'http://www.w3.org/1999/xlink')
       }
       // inject background to match current theme
@@ -70,7 +70,8 @@ script.
       const blob = new Blob([htmlSource], { type: 'text/html;charset=utf-8' })
       const url = URL.createObjectURL(blob)
       window.open(url, '_blank', 'noopener')
-      setTimeout(() => URL.revokeObjectURL(url), 30000)
+
+      setTimeout(() => URL.revokeObjectURL(url), 5000)
     }
 
     const attachMermaidViewerButton = wrap => {
@@ -91,10 +92,6 @@ script.
           const svg = wrap.__mermaidOriginalSvg || wrap.querySelector('svg')
           if (!svg) return
           const initViewBox = wrap.__mermaidInitViewBox
-          if (typeof svg === 'string') {
-            openSvgInNewTab({ source: svg, initViewBox })
-            return
-          }
           openSvgInNewTab({ source: svg, initViewBox })
         })
         btn.__mermaidViewerBound = true
@@ -111,6 +108,13 @@ script.
     }
 
     const initMermaidGestures = wrap => {
+      // Clean up previous event listeners and pending frames
+      if (wrap.__mermaidAbortController) {
+        wrap.__mermaidAbortController.abort()
+        if (wrap.__mermaidRafId) cancelAnimationFrame(wrap.__mermaidRafId)
+      }
+      const ac = new AbortController()
+      wrap.__mermaidAbortController = ac
       const svg = wrap.querySelector('svg')
       if (!svg) return
 
@@ -119,158 +123,177 @@ script.
       wrap.__mermaidInitViewBox = initVb
       wrap.__mermaidCurViewBox = initVb.slice()
       setSvgViewBox(svg, initVb)
+      // Disable default gestures to prevent scroll chaining and pinch-zoom penetration in Chrome
+      svg.style.touchAction = 'none'
 
-      // Avoid binding multiple times on themeChange/pjax
-      if (wrap.__mermaidGestureBound) return
-      wrap.__mermaidGestureBound = true
+      // Cache BoundingClientRect, throttled on scroll to reduce reflow
+      let cachedRect = svg.getBoundingClientRect()
+      let rectDirty = false
+      const markRectDirty = () => { rectDirty = true }
+      window.addEventListener('resize', markRectDirty, { signal: ac.signal })
+      window.addEventListener('scroll', markRectDirty, { signal: ac.signal, capture: true })
+      const getRect = () => {
+        if (rectDirty) {
+          cachedRect = svg.getBoundingClientRect()
+          rectDirty = false
+        }
+        return cachedRect
+      }
 
-      // Helper: map client (viewport) coordinate -> viewBox coordinate
-      const clientToViewBox = (clientX, clientY) => {
-        const rect = svg.getBoundingClientRect()
-        const vb = wrap.__mermaidCurViewBox || getSvgViewBox(svg)
-        const x = vb[0] + (clientX - rect.left) * (vb[2] / rect.width)
-        const y = vb[1] + (clientY - rect.top) * (vb[3] / rect.height)
-        return { x, y, rect, vb }
+      // Precompute clamp bounds from initial viewBox
+      const minW = initVb[2] * 0.1
+      const maxW = initVb[2] * 10
+      const minH = initVb[3] * 0.1
+      const maxH = initVb[3] * 10
+      const clampVb = vb => {
+        const out = vb.slice()
+        out[2] = clamp(out[2], minW, maxW)
+        out[3] = clamp(out[3], minH, maxH)
+        return out
+      }
+
+      // Throttle DOM updates using requestAnimationFrame
+      let pendingVb = null
+      let rafId = null
+      const applyVb = () => {
+        if (pendingVb) {
+          wrap.__mermaidCurViewBox = pendingVb
+          setSvgViewBox(svg, pendingVb)
+          pendingVb = null
+        }
+        rafId = null
+        wrap.__mermaidRafId = null
+      }
+      const setCurVb = vb => {
+        pendingVb = clampVb(vb)
+        if (!rafId) {
+          rafId = requestAnimationFrame(applyVb)
+          wrap.__mermaidRafId = rafId
+        }
       }
 
       const state = {
         pointers: new Map(),
         startVb: null,
         startDist: 0,
-        startCenter: null
-      }
-
-      const clampVb = vb => {
-        const init = wrap.__mermaidInitViewBox || vb
-        const minW = init[2] * 0.1
-        const maxW = init[2] * 10
-        const minH = init[3] * 0.1
-        const maxH = init[3] * 10
-        vb[2] = clamp(vb[2], minW, maxW)
-        vb[3] = clamp(vb[3], minH, maxH)
-        return vb
-      }
-
-      const setCurVb = vb => {
-        vb = clampVb(vb)
-        wrap.__mermaidCurViewBox = vb
-        setSvgViewBox(svg, vb)
+        lastPointerX: 0,
+        lastPointerY: 0
       }
 
       const onPointerDown = e => {
-        // Allow only primary button for mouse
         if (e.pointerType === 'mouse' && e.button !== 0) return
         svg.setPointerCapture(e.pointerId)
+        const curVb = wrap.__mermaidCurViewBox
         state.pointers.set(e.pointerId, { x: e.clientX, y: e.clientY })
-
         if (state.pointers.size === 1) {
-          state.startVb = (wrap.__mermaidCurViewBox || getSvgViewBox(svg)).slice()
+          state.startVb = curVb.slice()
+          state.lastPointerX = e.clientX
+          state.lastPointerY = e.clientY
         } else if (state.pointers.size === 2) {
           const pts = [...state.pointers.values()]
           const dx = pts[0].x - pts[1].x
           const dy = pts[0].y - pts[1].y
           state.startDist = Math.hypot(dx, dy)
-          state.startVb = (wrap.__mermaidCurViewBox || getSvgViewBox(svg)).slice()
-          state.startCenter = { x: (pts[0].x + pts[1].x) / 2, y: (pts[0].y + pts[1].y) / 2 }
+          state.startVb = curVb.slice()
         }
       }
 
       const onPointerMove = e => {
         if (!state.pointers.has(e.pointerId)) return
         state.pointers.set(e.pointerId, { x: e.clientX, y: e.clientY })
-
-        // Pan with 1 pointer
+        const curVb = wrap.__mermaidCurViewBox
+        const rect = getRect()
         if (state.pointers.size === 1 && state.startVb) {
-          const p = [...state.pointers.values()][0]
-          const prev = { x: e.clientX - e.movementX, y: e.clientY - e.movementY }
-          // movementX/Y unreliable on touch, compute from stored last position
-          const last = wrap.__mermaidLastSinglePointer || p
-          const dxClient = p.x - last.x
-          const dyClient = p.y - last.y
-          wrap.__mermaidLastSinglePointer = p
-
-          const { rect } = clientToViewBox(p.x, p.y)
-          const vb = (wrap.__mermaidCurViewBox || getSvgViewBox(svg)).slice()
-          const dx = dxClient * (vb[2] / rect.width)
-          const dy = dyClient * (vb[3] / rect.height)
-          setCurVb([vb[0] - dx, vb[1] - dy, vb[2], vb[3]])
+          const p = state.pointers.values().next().value
+          const dxClient = p.x - state.lastPointerX
+          const dyClient = p.y - state.lastPointerY
+          state.lastPointerX = p.x
+          state.lastPointerY = p.y
+          const dx = dxClient * (curVb[2] / rect.width)
+          const dy = dyClient * (curVb[3] / rect.height)
+          setCurVb([curVb[0] - dx, curVb[1] - dy, curVb[2], curVb[3]])
           return
         }
-
-        // Pinch zoom with 2 pointers
         if (state.pointers.size === 2 && state.startVb && state.startDist > 0) {
           const pts = [...state.pointers.values()]
           const dx = pts[0].x - pts[1].x
           const dy = pts[0].y - pts[1].y
           const dist = Math.hypot(dx, dy)
           if (!dist) return
-          const factor = state.startDist / dist // dist bigger => zoom in (viewBox smaller)
-
+          const factor = state.startDist / dist
           const cx = (pts[0].x + pts[1].x) / 2
           const cy = (pts[0].y + pts[1].y) / 2
-          const centerClient = { x: cx, y: cy }
-
-          const pxy = clientToViewBox(centerClient.x, centerClient.y)
-          const cpx = pxy.x
-          const cpy = pxy.y
-
-          const vb = zoomAtPoint(state.startVb, factor, cpx, cpy)
-          setCurVb(vb)
+          const px = curVb[0] + (cx - rect.left) * (curVb[2] / rect.width)
+          const py = curVb[1] + (cy - rect.top) * (curVb[3] / rect.height)
+          setCurVb(zoomAtPoint(state.startVb, factor, px, py))
         }
       }
 
       const onPointerUpOrCancel = e => {
+        // Release PointerCapture to avoid event capture anomalies
+        if (svg.hasPointerCapture && svg.hasPointerCapture(e.pointerId)) {
+          svg.releasePointerCapture(e.pointerId)
+        }
         state.pointers.delete(e.pointerId)
         if (state.pointers.size === 0) {
           state.startVb = null
           state.startDist = 0
-          state.startCenter = null
-          wrap.__mermaidLastSinglePointer = null
         } else if (state.pointers.size === 1) {
-          // reset single pointer baseline to avoid jump
-          wrap.__mermaidLastSinglePointer = [...state.pointers.values()][0]
+          const p = state.pointers.values().next().value
+          state.lastPointerX = p.x
+          state.lastPointerY = p.y
         }
       }
 
-      // Wheel zoom (mouse/trackpad)
       const onWheel = e => {
-        // ctrlKey on mac trackpad pinch; we treat both as zoom
+        // Prevent event bubbling from triggering external scroll
         e.preventDefault()
-        const delta = e.deltaY
-        const zoomFactor = delta > 0 ? 1.1 : 0.9
-        const { x, y } = clientToViewBox(e.clientX, e.clientY)
-        const vb = (wrap.__mermaidCurViewBox || getSvgViewBox(svg)).slice()
-        setCurVb(zoomAtPoint(vb, zoomFactor, x, y))
+        e.stopPropagation()
+        // Normalize deltaY across deltaMode (Chrome uses pixels, Safari uses lines)
+        let delta = e.deltaY
+        if (e.deltaMode === 1) delta *= 16
+        else if (e.deltaMode === 2) delta *= 400
+
+        // Continuous zoom factor: smoother than fixed 1.1/0.9 steps
+        const zoomFactor = Math.pow(1.001, delta)
+
+        const curVb = wrap.__mermaidCurViewBox
+        const rect = getRect()
+        const px = curVb[0] + (e.clientX - rect.left) * (curVb[2] / rect.width)
+        const py = curVb[1] + (e.clientY - rect.top) * (curVb[3] / rect.height)
+        setCurVb(zoomAtPoint(curVb, zoomFactor, px, py))
       }
 
       const onDblClick = () => {
         const init = wrap.__mermaidInitViewBox
-        if (!init) return
-        wrap.__mermaidCurViewBox = init.slice()
-        setSvgViewBox(svg, init)
+        if (init) setCurVb(init)
       }
 
-      svg.addEventListener('pointerdown', onPointerDown)
-      svg.addEventListener('pointermove', onPointerMove)
-      svg.addEventListener('pointerup', onPointerUpOrCancel)
-      svg.addEventListener('pointercancel', onPointerUpOrCancel)
-      svg.addEventListener('wheel', onWheel, { passive: false })
-      svg.addEventListener('dblclick', onDblClick)
+      svg.addEventListener('pointerdown', onPointerDown, { signal: ac.signal })
+      svg.addEventListener('pointermove', onPointerMove, { signal: ac.signal })
+      svg.addEventListener('pointerup', onPointerUpOrCancel, { signal: ac.signal })
+      svg.addEventListener('pointercancel', onPointerUpOrCancel, { signal: ac.signal })
+      svg.addEventListener('wheel', onWheel, { passive: false, signal: ac.signal })
+      svg.addEventListener('dblclick', onDblClick, { signal: ac.signal })
     }
 
     const runMermaid = ele => {
       window.loadMermaid = true
       const theme = document.documentElement.getAttribute('data-theme') === 'dark' ? '!{theme.mermaid.theme.dark}' : '!{theme.mermaid.theme.light}'
-
       ele.forEach((item, index) => {
         const mermaidSrc = item.firstElementChild
-
-        // Clear old render (themeChange/pjax will rerun)
+        // Clean up event listeners before removing old SVG
+        if (item.__mermaidAbortController) {
+          item.__mermaidAbortController.abort()
+        }
         const oldSvg = item.querySelector('svg')
         if (oldSvg) oldSvg.remove()
-        item.__mermaidGestureBound = false
-
-        const config = mermaidSrc.dataset.config ? JSON.parse(mermaidSrc.dataset.config) : {}
+        let config = {}
+        try {
+          config = mermaidSrc.dataset.config ? JSON.parse(mermaidSrc.dataset.config) : {}
+        } catch (e) {
+          console.warn('[mermaid] failed to parse dataset.config:', e)
+        }
         if (!config.theme) {
           config.theme = theme
         }
@@ -278,7 +301,6 @@ script.
         const mermaidID = `mermaid-${index}`
         const mermaidDefinition = mermaidThemeConfig + mermaidSrc.textContent
 
-        const renderFn = mermaid.render(mermaidID, mermaidDefinition)
         const renderMermaid = svg => {
           mermaidSrc.insertAdjacentHTML('afterend', svg)
           if (!{theme.mermaid.zoom_pan}) initMermaidGestures(item)
@@ -286,14 +308,30 @@ script.
           if (!{theme.mermaid.open_in_new_tab}) attachMermaidViewerButton(item)
         }
 
+        const handleError = err => {
+          console.error(`[mermaid] render failed for block #${index}:`, err)
+          const errorEl = document.createElement('div')
+          errorEl.className = 'mermaid-error'
+          errorEl.textContent = `Mermaid render error: ${err.message || err}`
+          mermaidSrc.insertAdjacentElement('afterend', errorEl)
+        }
 
-        // mermaid v9 and v10 compatibility
-        typeof renderFn === 'string' ? renderMermaid(renderFn) : renderFn.then(({ svg }) => renderMermaid(svg))
+        try {
+          const renderFn = mermaid.render(mermaidID, mermaidDefinition)
+          // mermaid v9 and v10 compatibility
+          if (typeof renderFn === 'string') {
+            renderMermaid(renderFn)
+          } else {
+            renderFn.then(({ svg }) => renderMermaid(svg)).catch(handleError)
+          }
+        } catch (err) {
+          handleError(err)
+        }
       })
     }
 
-    const codeToMermaid = () => {
-      const codeMermaidEle = document.querySelectorAll('pre > code.mermaid')
+    const codeToMermaid = $article => {
+      const codeMermaidEle = $article.querySelectorAll('pre > code.mermaid')
       if (codeMermaidEle.length === 0) return
 
       codeMermaidEle.forEach(ele => {
@@ -309,8 +347,11 @@ script.
     }
 
     const loadMermaid = () => {
-      if (!{theme.mermaid.code_write}) codeToMermaid()
-      const $mermaid = document.querySelectorAll('#article-container .mermaid-wrap')
+      const $article = document.getElementById('article-container')
+      if (!$article) return
+
+      if (!{theme.mermaid.code_write}) codeToMermaid($article)
+      const $mermaid = $article.querySelectorAll('.mermaid-wrap')
       if ($mermaid.length === 0) return
 
       const runMermaidFn = () => runMermaid($mermaid)
diff --git a/layout/includes/third-party/pjax.pug b/layout/includes/third-party/pjax.pug
index 9c97c19..38e0504 100644
--- a/layout/includes/third-party/pjax.pug
+++ b/layout/includes/third-party/pjax.pug
@@ -53,8 +53,9 @@ script.
     document.addEventListener('pjax:complete', () => {
       btf.removeGlobalFnEvent('pjaxCompleteOnce')
       document.querySelectorAll('script[data-pjax]').forEach(item => {
+        if (!item.parentNode) return
         const newScript = document.createElement('script')
-        const content = item.text || item.textContent || item.innerHTML || ""
+        const content = item.text || item.textContent || ''
         Array.from(item.attributes).forEach(attr => newScript.setAttribute(attr.name, attr.value))
         newScript.appendChild(document.createTextNode(content))
         item.parentNode.replaceChild(newScript, item)
@@ -64,10 +65,13 @@ script.
     })
 
     document.addEventListener('pjax:error', e => {
-      if (e.request.status === 404) {
+      const responseURL = e.request && e.request.responseURL
+      if (e.request && e.request.status === 404) {
         !{theme.error_404 && theme.error_404.enable}
           ? pjax.loadUrl('!{url_for("/404.html")}')
-          : window.location.href = e.request.responseURL
+          : responseURL && (window.location.href = responseURL)
+      } else if (responseURL) {
+        window.location.href = responseURL
       }
     })
   })
\ No newline at end of file
diff --git a/layout/includes/third-party/prismjs.pug b/layout/includes/third-party/prismjs.pug
index 0c866ab..d1a98b7 100644
--- a/layout/includes/third-party/prismjs.pug
+++ b/layout/includes/third-party/prismjs.pug
@@ -5,11 +5,15 @@
 if (syntax_highlighter === 'prismjs' || enable) && !preprocess
   script.
     (() => {
+      const $article = document.getElementById('article-container')
+      if (!$article || $article.querySelector('.hbe-container')) return
+
       window.Prism = window.Prism || {}
       window.Prism.manual = true
 
       const highlightAll = () => {
-        window.Prism.highlightAll()
+        // window.Prism.highlightAll()
+        window.Prism.highlightAllUnder($article, true)
       }
 
       window.addEventListener('load', highlightAll)
diff --git a/layout/includes/third-party/subtitle.pug b/layout/includes/third-party/subtitle.pug
index 4e04e54..ebe027a 100644
--- a/layout/includes/third-party/subtitle.pug
+++ b/layout/includes/third-party/subtitle.pug
@@ -44,7 +44,7 @@ script.
       }
     }
   }
-  btf.addGlobalFn('pjaxSendOnce', () => { typed.destroy() }, 'typedDestroy')
+  btf.addGlobalFn('pjaxSendOnce', () => { typed && typed.destroy() }, 'typedDestroy')
 
 case source
   when 1
@@ -53,8 +53,8 @@ case source
         fetch('https://v1.hitokoto.cn')
           .then(response => response.json())
           .then(data => {
-            const from = '出自 ' + data.from
-            typedJSFn.processSubtitle(data.hitokoto, [from])
+            const from = data.from ? '出自 ' + data.from : ''
+            typedJSFn.processSubtitle(data.hitokoto, from ? [from] : [])
           })
           .catch(err => {
             console.error('Failed to get the Hitokoto API:', err)
@@ -79,7 +79,7 @@ case source
           })
           .catch(err => {
             console.error('Failed to get the Yiyan API:', err)
-            typedJSFn.processSubtitle(!{JSON.stringify(subContent.length)})
+            typedJSFn.processSubtitle(!{JSON.stringify(subContent)})
           })
       }
       typedJSFn.run(subtitleType)
@@ -99,7 +99,7 @@ case source
           })
           .catch(err => {
             console.error('Failed to get the Jinrishici API:', err)
-            typedJSFn.processSubtitle(!{JSON.stringify(subContent.length)})
+            typedJSFn.processSubtitle(!{JSON.stringify(subContent)})
           })
       }
       typedJSFn.run(subtitleType)
diff --git a/layout/includes/third-party/umami_analytics.pug b/layout/includes/third-party/umami_analytics.pug
index 14f1fd6..96c1f69 100644
--- a/layout/includes/third-party/umami_analytics.pug
+++ b/layout/includes/third-party/umami_analytics.pug
@@ -1,110 +1,116 @@
-- let { serverURL, script_name, website_id, option, UV_PV } = theme.umami_analytics
-- const isServerURL = !!serverURL
-- const baseURL = serverURL ? serverURL.replace(/\/$/, '') : 'https://cloud.umami.is'
-- const apiUrl = serverURL ? serverURL.replace(/\/$/, '') + '/api' : 'https://api.umami.is/v1'
-
-script.
-  (() => {
-    const option = !{JSON.stringify(option)}
-    const config = !{JSON.stringify(UV_PV)}
-
-    const runTrack = () => {
-      if (typeof umami !== 'undefined' && typeof umami.track === 'function') {
-        umami.track(props => ({ ...props, url: window.location.pathname, title: GLOBAL_CONFIG_SITE.title }))
-      } else {
-        console.warn('Umami Analytics: umami.track is not available')
-      }
-    }
-
-    const loadUmamiJS = () => {
-      btf.getScript('!{baseURL}/!{script_name}', {
-        'data-website-id': '!{website_id}',
-        'data-auto-track': 'false',
-        ...option
-      }).then(() => {
-        runTrack()
-      }).catch(error => {
-        console.error('Umami Analytics: Error loading script', error)
-      })
-    }
-
-    const getData = async (isPost) => {
-      try {
-        const now = Date.now()
-        const keyUrl = isPost ? `&url=${window.location.pathname}&path=${window.location.pathname}` : ''
-        const headerList = { 'Accept': 'application/json' }
-
-        if (!{isServerURL}) {
-          headerList['Authorization'] = `Bearer ${config.token}`
-        } else {
-          headerList['x-umami-api-key'] = config.token
-        }
-
-        const res = await fetch(`!{apiUrl}/websites/!{website_id}/stats?startAt=0000000000&endAt=${now}${keyUrl}`, {
-          method: "GET",
-          headers: headerList
-        })
-
-        if (!res.ok) {
-          throw new Error(`HTTP error! status: ${res.status}`)
-        }
-
-        return await res.json()
-      } catch (error) {
-        console.error('Umami Analytics: Failed to fetch data', error)
-        throw error
-      }
-    }
-
-    const insertData = async () => {
-      try {
-        if (GLOBAL_CONFIG_SITE.pageType === 'post' && config.page_pv) {
-          const pagePV = document.getElementById('umamiPV')
-          if (pagePV) {
-            const data = await getData(true)
-            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')
-            }
-          }
-        }
-
-        if (config.site_uv || config.site_pv) {
-          const data = await getData(false)
-
-          if (config.site_uv) {
-            const siteUV = document.getElementById('umami-site-uv')
-            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')
-            }
-          }
-
-          if (config.site_pv) {
-            const sitePV = document.getElementById('umami-site-pv')
-            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')
-            }
-          }
-        }
-      } catch (error) {
-        console.error('Umami Analytics: Failed to insert data', error)
-      }
-    }
-
-    btf.addGlobalFn('pjaxComplete', runTrack, 'umami_analytics_run_track')
-    btf.addGlobalFn('pjaxComplete', insertData, 'umami_analytics_insert')
-
-
-    loadUmamiJS()
-
-    if (document.readyState === 'loading') {
-      document.addEventListener('DOMContentLoaded', insertData)
-    } else {
-      setTimeout(insertData, 100)
-    }
-  })()
\ No newline at end of file
+- let { serverURL, script_name, website_id, option, UV_PV } = theme.umami_analytics
+- const isServerURL = !!serverURL
+- const baseURL = serverURL ? serverURL.replace(/\/$/, '') : 'https://cloud.umami.is'
+- const apiUrl = serverURL ? serverURL.replace(/\/$/, '') + '/api' : 'https://api.umami.is/v1'
+
+script.
+  (() => {
+    const option = !{JSON.stringify(option)}
+    const config = !{JSON.stringify(UV_PV)}
+
+    const runTrack = () => {
+      if (typeof umami !== 'undefined' && typeof umami.track === 'function') {
+        umami.track(props => ({ ...props, url: window.location.pathname, title: GLOBAL_CONFIG_SITE.title }))
+      } else {
+        console.warn('Umami Analytics: umami.track is not available')
+      }
+    }
+
+    const loadUmamiJS = () => {
+      btf.getScript('!{baseURL}/!{script_name}', {
+        'data-website-id': '!{website_id}',
+        'data-auto-track': 'false',
+        ...option
+      }).then(() => {
+        runTrack()
+      }).catch(error => {
+        console.error('Umami Analytics: Error loading script', error)
+      })
+    }
+
+    const extractValue = stat => (stat && typeof stat.value !== 'undefined') ? stat.value : stat
+
+    const getData = async (isPost) => {
+      try {
+        const now = Date.now()
+        const pathQuery = isPost ? `&url=${window.location.pathname}&path=${window.location.pathname}` : ''
+        const headers = {
+          'Accept': 'application/json',
+          [!{isServerURL} ? 'Authorization' : 'x-umami-api-key']: !{isServerURL} ? `Bearer ${config.token}` : config.token
+        }
+
+        const res = await fetch(`!{apiUrl}/websites/!{website_id}/stats?startAt=0000000000&endAt=${now}${pathQuery}`, {
+          method: 'GET',
+          headers
+        })
+
+        if (!res.ok) {
+          throw new Error(`HTTP error! status: ${res.status}`)
+        }
+
+        return await res.json()
+      } catch (error) {
+        console.error('Umami Analytics: Failed to fetch data', error)
+        throw error
+      }
+    }
+
+    const insertData = async () => {
+      try {
+        const tasks = []
+
+        if (GLOBAL_CONFIG_SITE.pageType === 'post' && config.page_pv) {
+          tasks.push((async () => {
+            const pagePV = document.getElementById('umamiPV')
+            if (pagePV) {
+              const data = await getData(true)
+              if (data && data.pageviews) {
+                pagePV.textContent = extractValue(data.pageviews)
+              } else {
+                console.warn('Umami Analytics: Invalid page view data received')
+              }
+            }
+          })())
+        }
+
+        if (config.site_uv || config.site_pv) {
+          tasks.push((async () => {
+            const data = await getData(false)
+
+            if (config.site_uv) {
+              const siteUV = document.getElementById('umami-site-uv')
+              if (siteUV && data && data.visitors) {
+                siteUV.textContent = extractValue(data.visitors)
+              } else if (siteUV) {
+                console.warn('Umami Analytics: Invalid site UV data received')
+              }
+            }
+
+            if (config.site_pv) {
+              const sitePV = document.getElementById('umami-site-pv')
+              if (sitePV && data && data.pageviews) {
+                sitePV.textContent = extractValue(data.pageviews)
+              } else if (sitePV) {
+                console.warn('Umami Analytics: Invalid site PV data received')
+              }
+            }
+          })())
+        }
+
+        await Promise.all(tasks)
+      } catch (error) {
+        console.error('Umami Analytics: Failed to insert data', error)
+      }
+    }
+
+    btf.addGlobalFn('pjaxComplete', runTrack, 'umami_analytics_run_track')
+    btf.addGlobalFn('pjaxComplete', insertData, 'umami_analytics_insert')
+
+    loadUmamiJS()
+
+    if (document.readyState === 'loading') {
+      document.addEventListener('DOMContentLoaded', insertData)
+    } else {
+      setTimeout(insertData, 100)
+    }
+  })()
diff --git a/package.json b/package.json
index f6b86eb..5debe44 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "hexo-theme-butterfly",
-  "version": "5.5.5",
+  "version": "5.6.0",
   "description": "A Simple and Card UI Design theme for Hexo",
   "main": "package.json",
   "scripts": {
diff --git a/plugins.yml b/plugins.yml
index ee0f167..ae5f39c 100644
--- a/plugins.yml
+++ b/plugins.yml
@@ -1,7 +1,7 @@
 abcjs_basic_js:
   name: abcjs
   file: dist/abcjs-basic-min.js
-  version: 6.6.3
+  version: 6.6.4
 activate_power_mode:
   name: butterfly-extsrc
   file: dist/activate-power-mode.min.js
@@ -9,7 +9,7 @@ activate_power_mode:
 algolia_search:
   name: algoliasearch
   file: dist/lite/builds/browser.umd.js
-  version: 5.53.0
+  version: 5.56.0
 aplayer_css:
   name: aplayer
   file: dist/APlayer.min.css
@@ -95,7 +95,7 @@ fontawesome:
   name: '@fortawesome/fontawesome-free'
   file: css/all.min.css
   other_name: font-awesome
-  version: 7.2.0
+  version: 7.3.1
 gitalk:
   name: gitalk
   file: dist/gitalk.min.js
@@ -125,7 +125,7 @@ lazyload:
 mathjax:
   name: mathjax
   file: tex-mml-chtml.js
-  version: 4.1.2
+  version: 4.1.3
 medium_zoom:
   name: medium-zoom
   file: dist/medium-zoom.min.js
@@ -133,7 +133,7 @@ medium_zoom:
 mermaid:
   name: mermaid
   file: dist/mermaid.min.js
-  version: 11.15.0
+  version: 11.16.0
 meting_js:
   name: butterfly-extsrc
   file: metingjs/dist/Meting.min.js
@@ -186,7 +186,7 @@ snackbar_css:
 twikoo:
   name: twikoo
   file: dist/twikoo.all.min.js
-  version: 1.7.11
+  version: 1.7.14
 typed:
   name: typed.js
   file: dist/typed.umd.js
diff --git a/scripts/common/default_config.js b/scripts/common/default_config.js
index ab3f01f..5ae0cd4 100644
--- a/scripts/common/default_config.js
+++ b/scripts/common/default_config.js
@@ -394,6 +394,9 @@ module.exports = {
   crisp: {
     website_id: null
   },
+  knocket: {
+    identifier: null
+  },
   google_tag_manager: {
     tag_id: null,
     domain: 'https://www.googletagmanager.com'
diff --git a/scripts/filters/post_lazyload.js b/scripts/filters/post_lazyload.js
index 2755cd3..eec040a 100644
--- a/scripts/filters/post_lazyload.js
+++ b/scripts/filters/post_lazyload.js
@@ -21,7 +21,7 @@ const lazyload = htmlContent => {
   // Handle src attributes with double quotes, single quotes, or no quotes (unified approach)
   // Matches: src="..." or src='...' or src=... (e.g., after minification by hexo-minify)
   return htmlContent.replace(/(<img(?![^>]*?\bdata-lazy-src=)(?:\s[^>]*?)?\ssrc=)(?:"([^"]*)"|'([^']*)'|([^\s>]+))(?![^<]*<\/script>)/gi, (match, prefix, srcDoubleQuote, srcSingleQuote, srcNoQuote) => {
-    const src = srcDoubleQuote || srcSingleQuote || srcNoQuote
+    const src = srcDoubleQuote ?? srcSingleQuote ?? srcNoQuote
     return `${prefix}"${bg}" data-lazy-src="${src}"`
   })
 }
diff --git a/scripts/filters/random_cover.js b/scripts/filters/random_cover.js
index d814c35..73e4278 100644
--- a/scripts/filters/random_cover.js
+++ b/scripts/filters/random_cover.js
@@ -6,33 +6,46 @@
 
 hexo.extend.generator.register('post', locals => {
   const imgTestReg = /\.(png|jpe?g|gif|svg|webp|avif)(\?.*)?$/i
+  const remoteImgReg = /^(?:https?:)?\/\//i
+  const dataImgReg = /^data:image\//i
+
   const { post_asset_folder: postAssetFolder } = hexo.config
   const { cover: { default_cover: defaultCover } } = hexo.theme.config
 
+  const isImage = value => {
+    return typeof value === 'string' &&
+      (remoteImgReg.test(value) || dataImgReg.test(value) || imgTestReg.test(value))
+  }
+
   function * createCoverGenerator () {
-    if (!defaultCover) {
+    if (!defaultCover || (Array.isArray(defaultCover) && defaultCover.length === 0)) {
       while (true) yield false
     }
+
     if (!Array.isArray(defaultCover)) {
       while (true) yield defaultCover
     }
 
-    const coverCount = defaultCover.length
-    if (coverCount === 1) {
+    if (defaultCover.length === 1) {
       while (true) yield defaultCover[0]
     }
 
+    const coverCount = defaultCover.length
     const maxHistory = Math.min(3, coverCount - 1)
     const history = []
 
     while (true) {
       let index
+
       do {
         index = Math.floor(Math.random() * coverCount)
       } while (history.includes(index))
 
       history.push(index)
-      if (history.length > maxHistory) history.shift()
+
+      if (history.length > maxHistory) {
+        history.shift()
+      }
 
       yield defaultCover[index]
     }
@@ -40,32 +53,31 @@ hexo.extend.generator.register('post', locals => {
 
   const coverGenerator = createCoverGenerator()
 
+  const resolvePostAsset = (value, postPath) => {
+    if (
+      !postAssetFolder ||
+      typeof value !== 'string' ||
+      value.includes('/') ||
+      !imgTestReg.test(value)
+    ) {
+      return value
+    }
+
+    return `${postPath}${value}`
+  }
+
   const handleImg = data => {
-    let { cover: coverVal, top_img: topImg, pagination_cover: paginationCover } = data
+    data.top_img = resolvePostAsset(data.top_img, data.path)
+    data.cover = resolvePostAsset(data.cover, data.path)
+    data.pagination_cover = resolvePostAsset(data.pagination_cover, data.path)
 
-    // Add path to top_img and cover if post_asset_folder is enabled
-    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 (data.cover === false) return data
+
+    if (!data.cover) {
+      data.cover = coverGenerator.next().value
     }
 
-    if (coverVal === false) return data
-
-    // If cover is not set, use random cover
-    if (!coverVal) {
-      const randomCover = coverGenerator.next().value
-      data.cover = randomCover
-      coverVal = randomCover
-    }
-
-    if (coverVal && (coverVal.indexOf('//') !== -1 || imgTestReg.test(coverVal))) {
+    if (isImage(data.cover)) {
       data.cover_type = 'img'
     }
 
@@ -75,16 +87,23 @@ hexo.extend.generator.register('post', locals => {
   const posts = locals.posts.sort('date').toArray()
   const { length } = posts
 
-  return posts.map((post, i) => {
-    if (i) post.prev = posts[i - 1]
-    if (i < length - 1) post.next = posts[i + 1]
+  return posts.map((post, index) => {
+    const data = post
 
-    post.__post = true
+    if (index > 0) {
+      data.prev = posts[index - 1]
+    }
+
+    if (index < length - 1) {
+      data.next = posts[index + 1]
+    }
+
+    data.__post = true
 
     return {
-      data: handleImg(post),
+      data: handleImg(data),
       layout: 'post',
-      path: post.path
+      path: data.path
     }
   })
 })
diff --git a/scripts/helpers/getArchiveLength.js b/scripts/helpers/getArchiveLength.js
index 5f7d812..76e573e 100644
--- a/scripts/helpers/getArchiveLength.js
+++ b/scripts/helpers/getArchiveLength.js
@@ -17,12 +17,11 @@ hexo.extend.helper.register('getArchiveLength', function () {
       const m = date.month() + 1
       const d = date.date()
 
-      if (yearly) {
-        const keyYear = `${y}`
-        map.set(keyYear, (map.get(keyYear) || 0) + 1)
-      }
+      // Always track year so year archive pages can be counted
+      const keyYear = `${y}`
+      map.set(keyYear, (map.get(keyYear) || 0) + 1)
 
-      if (monthly) {
+      if (monthly || daily) {
         const keyMonth = `${y}-${m}`
         map.set(keyMonth, (map.get(keyMonth) || 0) + 1)
       }
@@ -37,8 +36,8 @@ hexo.extend.helper.register('getArchiveLength', function () {
 
   // Determine the appropriate key to fetch based on current page context
   let key
-  if (yearly && year) key = `${year}`
-  if (monthly && month) key = `${year}-${month}`
+  if (yearly || monthly || daily) key = `${year}`
+  if ((monthly || daily) && month) key = `${year}-${month}`
   if (daily && day) key = `${year}-${month}-${day}`
 
   // Return the count for the current period or default to the total posts
diff --git a/scripts/helpers/inject_head_js.js b/scripts/helpers/inject_head_js.js
index 515e996..1f3ccb9 100644
--- a/scripts/helpers/inject_head_js.js
+++ b/scripts/helpers/inject_head_js.js
@@ -11,46 +11,87 @@ hexo.extend.helper.register('inject_head_js', function () {
   const createCustomJs = () => `
     const saveToLocal = {
       set: (key, value, ttl) => {
-        if (!ttl) return
-        const expiry = Date.now() + ttl * 86400000
-        localStorage.setItem(key, JSON.stringify({ value, expiry }))
+        const data = { value }
+
+        if (ttl != null) {
+          data.expiry = Date.now() + ttl * 86400000
+        }
+
+        localStorage.setItem(key, JSON.stringify(data))
       },
       get: key => {
         const itemStr = localStorage.getItem(key)
-        if (!itemStr) return undefined
-        const { value, expiry } = JSON.parse(itemStr)
-        if (Date.now() > expiry) {
+        if (!itemStr) return
+
+        try {
+          const data = JSON.parse(itemStr)
+
+          if (data.expiry && Date.now() > data.expiry) {
+            localStorage.removeItem(key)
+            return
+          }
+
+          return data.value
+        } catch {
           localStorage.removeItem(key)
-          return undefined
         }
-        return value
       }
     }
 
+    const scriptCache = new Map()
+    const cssCache = new Map()
     window.btf = {
       saveToLocal,
-      getScript: (url, attr = {}) => new Promise((resolve, reject) => {
-        const script = document.createElement('script')
-        script.src = url
-        script.async = true
-        Object.entries(attr).forEach(([key, val]) => script.setAttribute(key, val))
-        script.onload = script.onreadystatechange = () => {
-          if (!script.readyState || /loaded|complete/.test(script.readyState)) resolve()
+      getScript: (url, attr = {}) => {
+        if (scriptCache.has(url)) {
+          return scriptCache.get(url)
         }
-        script.onerror = reject
-        document.head.appendChild(script)
-      }),
-      getCSS: (url, id) => new Promise((resolve, reject) => {
-        const link = document.createElement('link')
-        link.rel = 'stylesheet'
-        link.href = url
-        if (id) link.id = id
-        link.onload = link.onreadystatechange = () => {
-          if (!link.readyState || /loaded|complete/.test(link.readyState)) resolve()
+
+        const promise = new Promise((resolve, reject) => {
+          const script = document.createElement('script')
+
+          script.src = url
+          script.async = true
+
+          for (const key in attr) {
+            script.setAttribute(key, attr[key])
+          }
+
+          script.onload = resolve
+          script.onerror = reject
+
+          document.head.appendChild(script)
+        })
+
+        scriptCache.set(url, promise)
+
+        return promise
+      },
+      getCSS: (url, id) => {
+        if (cssCache.has(url)) {
+          return cssCache.get(url)
         }
-        link.onerror = reject
-        document.head.appendChild(link)
-      }),
+
+        const promise = new Promise((resolve, reject) => {
+          const link = document.createElement('link')
+
+          link.rel = 'stylesheet'
+          link.href = url
+
+          if (id) {
+            link.id = id
+          }
+
+          link.onload = resolve
+          link.onerror = reject
+
+          document.head.appendChild(link)
+        })
+
+        cssCache.set(url, promise)
+
+        return promise
+      },
       addGlobalFn: (key, fn, name = false, parent = window) => {
         if (!${pjax.enable} && key.startsWith('pjax')) return
         const globalFn = parent.globalFn || {}
@@ -65,16 +106,17 @@ hexo.extend.helper.register('inject_head_js', function () {
     if (!darkmode.enable) return ''
 
     let darkmodeJs = `
+      const metaThemeColor = document.querySelector('meta[name="theme-color"]')
       const activateDarkMode = () => {
-        document.documentElement.setAttribute('data-theme', 'dark')
-        if (document.querySelector('meta[name="theme-color"]') !== null) {
-          document.querySelector('meta[name="theme-color"]').setAttribute('content', '${themeColorDark}')
+        document.documentElement.dataset.theme = 'dark'
+        if (metaThemeColor !== null) {
+          metaThemeColor.setAttribute('content', '${themeColorDark}')
         }
       }
       const activateLightMode = () => {
-        document.documentElement.setAttribute('data-theme', 'light')
-        if (document.querySelector('meta[name="theme-color"]') !== null) {
-          document.querySelector('meta[name="theme-color"]').setAttribute('content', '${themeColorLight}')
+        document.documentElement.dataset.theme = 'light'
+        if (metaThemeColor !== null) {
+          metaThemeColor.setAttribute('content', '${themeColorLight}')
         }
       }
 
@@ -95,10 +137,15 @@ hexo.extend.helper.register('inject_head_js', function () {
             else if (mediaQueryDark.matches) activateDarkMode()
             else {
               const hour = new Date().getHours()
-              const isNight = hour <= ${start} || hour >= ${end}
+              const start = ${start}
+              const end = ${end}
+              const isNight =
+                start < end
+                    ? hour < start || hour >= end
+                    : hour >= start || hour < end
               isNight ? activateDarkMode() : activateLightMode()
             }
-            mediaQueryDark.addEventListener('change', () => {
+            mediaQueryDark.addEventListener('change', e => {
               if (saveToLocal.get('theme') === undefined) {
                 e.matches ? activateDarkMode() : activateLightMode()
               }
@@ -111,7 +158,12 @@ hexo.extend.helper.register('inject_head_js', function () {
       case 2:
         darkmodeJs += `
           const hour = new Date().getHours()
-          const isNight = hour <= ${start} || hour >= ${end}
+          const start = ${start}
+          const end = ${end}
+          const isNight =
+            start < end
+                ? hour < start || hour >= end
+                : hour >= start || hour < end
           if (theme === undefined) isNight ? activateDarkMode() : activateLightMode()
           else theme === 'light' ? activateLightMode() : activateDarkMode()
         `
diff --git a/scripts/helpers/page.js b/scripts/helpers/page.js
index 45d4b35..a9cf5bb 100644
--- a/scripts/helpers/page.js
+++ b/scripts/helpers/page.js
@@ -11,6 +11,8 @@ const colorPattern = /^(#|rgb|rgba|hsl|hsla)/i
 const simpleFilePattern = /\.(png|jpg|jpeg|gif|bmp|webp|svg|tiff)$/i
 const archiveRegex = /\/archives\//
 
+const { version: themeVersion } = require('../../package.json')
+
 hexo.extend.helper.register('truncate', truncateContent)
 
 hexo.extend.helper.register('postDesc', data => {
@@ -58,8 +60,6 @@ hexo.extend.helper.register('cloudTags', function (options = {}) {
 
   const userColors = normalizeColors(custom_colors)
 
-  const resolveColorClass = (idx) => `tag-color-${idx % userColors.length}`
-
   const generateStyle = (size, unit, page, color) => {
     const colorStyle = page === 'tags' ? `background-color: ${color};` : `color: ${color};`
     return `font-size: ${parseFloat(size.toFixed(2))}${unit}; ${colorStyle}`
@@ -70,10 +70,9 @@ hexo.extend.helper.register('cloudTags', function (options = {}) {
     const size = minfontsize + ((maxfontsize - minfontsize) * ratio)
 
     if (userColors && userColors.length) {
-      const colorClass = resolveColorClass(idx)
       const color = userColors[idx % userColors.length]
       const style = generateStyle(size, unit, page, color)
-      return `<a href="${env.url_for(tag.path)}" class="tag-cloud-item ${colorClass}" style="${style}">${tag.name}</a>`
+      return `<a href="${env.url_for(tag.path)}" class="tag-cloud-item" style="${style}">${tag.name}</a>`
     }
 
     const color = getRandomColor()
@@ -105,13 +104,13 @@ hexo.extend.helper.register('findArchivesTitle', function (page, menu, date) {
   if (!menu) return defaultTitle
 
   const loop = m => {
-    for (const key in m) {
-      if (typeof m[key] === 'object') {
-        const result = loop(m[key])
+    for (const [key, value] of Object.entries(m)) {
+      if (value && typeof value === 'object') {
+        const result = loop(value)
         if (result) return result
       }
 
-      if (archiveRegex.test(m[key])) {
+      if (typeof value === 'string' && archiveRegex.test(value)) {
         return key
       }
     }
@@ -154,9 +153,10 @@ hexo.extend.helper.register('shuoshuoFN', (data, page) => {
 
   // This is a hack method, because hexo treats time as UTC time
   // so you need to manually convert the time zone
+  const timezone = hexo.config.timezone
   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')
+    const parsed = moment.utc(item.date)
+    item.date = moment.tz(parsed.format('YYYY-MM-DD HH:mm:ss'), timezone).format('YYYY-MM-DD HH:mm:ss')
     // markdown
     item.content = hexo.render.renderSync({ text: item.content, engine: 'markdown' })
   })
@@ -179,8 +179,7 @@ hexo.extend.helper.register('getPageType', (page, isHome) => {
 })
 
 hexo.extend.helper.register('getVersion', () => {
-  const { version } = require('../../package.json')
-  return { hexo: hexo.version, theme: version }
+  return { hexo: hexo.version, theme: themeVersion }
 })
 
 hexo.extend.helper.register('safeJSON', data => {
diff --git a/scripts/helpers/related_post.js b/scripts/helpers/related_post.js
index 2aa3148..23b17d1 100644
--- a/scripts/helpers/related_post.js
+++ b/scripts/helpers/related_post.js
@@ -23,7 +23,6 @@ hexo.extend.helper.register('related_posts', function (currentPost) {
       if (relatedPosts.has(post.path)) {
         relatedPosts.get(post.path).weight += 1
       } else {
-        const getPostDesc = post.postDesc || postDesc(post, hexo)
         relatedPosts.set(post.path, {
           title: post.title,
           path: post.path,
@@ -32,7 +31,7 @@ hexo.extend.helper.register('related_posts', function (currentPost) {
           weight: 1,
           updated: post.updated,
           created: post.date,
-          postDesc: getPostDesc,
+          post,
           random: Math.random()
         })
       }
@@ -61,12 +60,15 @@ hexo.extend.helper.register('related_posts', function (currentPost) {
   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 max = Math.min(relatedPostsList.length, limitNum)
+  for (let i = 0; i < max; i++) {
+    const item = relatedPostsList[i]
+    let { cover, title, path, cover_type, created, updated, post } = item
     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'
+    const desc = post.postDesc || postDesc(post, hexo)
+    const className = desc ? '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">`
@@ -80,8 +82,8 @@ hexo.extend.helper.register('related_posts', function (currentPost) {
     }
     result += `<div class="info-item-2">${title}</div></div>`
 
-    if (postDesc) {
-      result += `<div class="info-2"><div class="info-item-1">${postDesc}</div></div>`
+    if (desc) {
+      result += `<div class="info-2"><div class="info-item-1">${desc}</div></div>`
     }
     result += '</div></a>'
   }
diff --git a/scripts/tag/button.js b/scripts/tag/button.js
index c8303c2..ef72206 100644
--- a/scripts/tag/button.js
+++ b/scripts/tag/button.js
@@ -7,15 +7,16 @@
 
 'use strict'
 
-const urlFor = require('hexo-util').url_for.bind(hexo)
+const { url_for, escapeHTML } = require('hexo-util')
+const urlFor = url_for.bind(hexo)
 
 const btn = args => {
   const [url = '', text = '', icon = '', option = ''] = args.join(' ').split(',').map(arg => arg.trim())
 
-  const iconHTML = icon ? `<i class="${icon}"></i>` : ''
-  const textHTML = text ? `<span>${text}</span>` : ''
+  const iconHTML = icon ? `<i class="${escapeHTML(icon)}"></i>` : ''
+  const textHTML = text ? `<span>${escapeHTML(text)}</span>` : ''
 
-  return `<a class="btn-beautify ${option}" href="${urlFor(url)}" title="${text}">${iconHTML}${textHTML}</a>`
+  return `<a class="btn-beautify ${escapeHTML(option)}" href="${urlFor(url)}" title="${escapeHTML(text)}">${iconHTML}${textHTML}</a>`
 }
 
 hexo.extend.tag.register('btn', btn, { ends: false })
diff --git a/scripts/tag/flink.js b/scripts/tag/flink.js
index 1d77841..81802ff 100644
--- a/scripts/tag/flink.js
+++ b/scripts/tag/flink.js
@@ -4,24 +4,25 @@
 
 'use strict'
 
-const urlFor = require('hexo-util').url_for.bind(hexo)
+const { url_for, escapeHTML } = require('hexo-util')
+const urlFor = url_for.bind(hexo)
 
 const flinkFn = (args, content) => {
   const data = hexo.render.renderSync({ text: content, engine: 'yaml' })
   let result = ''
 
   data.forEach(item => {
-    const className = item.class_name ? `<div class="flink-name">${item.class_name}</div>` : ''
-    const classDesc = item.class_desc ? `<div class="flink-desc">${item.class_desc}</div>` : ''
+    const className = item.class_name ? `<div class="flink-name">${escapeHTML(item.class_name)}</div>` : ''
+    const classDesc = item.class_desc ? `<div class="flink-desc">${escapeHTML(item.class_desc)}</div>` : ''
 
     const listResult = item.link_list.map(link => `
       <div class="flink-list-item">
-        <a href="${link.link}" title="${link.name}" target="_blank">
+        <a href="${escapeHTML(link.link)}" title="${escapeHTML(link.name)}" target="_blank">
           <div class="flink-item-icon">
-            <img class="no-lightbox" src="${link.avatar}" onerror='this.onerror=null;this.src="${urlFor(hexo.theme.config.error_img.flink)}"' alt="${link.name}" />
+            <img class="no-lightbox" src="${escapeHTML(link.avatar)}" onerror='this.onerror=null;this.src="${urlFor(hexo.theme.config.error_img.flink)}"' alt="${escapeHTML(link.name)}" />
           </div>
-          <div class="flink-item-name">${link.name}</div>
-          <div class="flink-item-desc" title="${link.descr}">${link.descr}</div>
+          <div class="flink-item-name">${escapeHTML(link.name)}</div>
+          <div class="flink-item-desc" title="${escapeHTML(link.descr)}">${escapeHTML(link.descr)}</div>
         </a>
       </div>`).join('')
 
diff --git a/scripts/tag/gallery.js b/scripts/tag/gallery.js
index e50bf70..bd8d556 100644
--- a/scripts/tag/gallery.js
+++ b/scripts/tag/gallery.js
@@ -27,6 +27,7 @@ const parseGalleryArgs = args => {
 const parseImageContent = content => {
   const images = []
   let match
+  IMAGE_REGEX.lastIndex = 0
 
   while ((match = IMAGE_REGEX.exec(content)) !== null) {
     images.push({
diff --git a/scripts/tag/hide.js b/scripts/tag/hide.js
index c244ddb..11d2e7f 100644
--- a/scripts/tag/hide.js
+++ b/scripts/tag/hide.js
@@ -16,7 +16,7 @@
 
 'use strict'
 
-const parseArgs = args => args.join(' ').split(',')
+const parseArgs = args => args.join(' ').split(',').map(s => s.trim())
 
 const generateStyle = (bg, color) => {
   let style = 'style="'
diff --git a/scripts/tag/score.js b/scripts/tag/score.js
index a356325..15dd964 100644
--- a/scripts/tag/score.js
+++ b/scripts/tag/score.js
@@ -5,20 +5,10 @@
 
 'use strict'
 
+const { escapeHTML } = require('hexo-util')
+
 const score = (args, content) => {
-  // Escape HTML tags and some special characters, including curly braces
-  const escapeHtmlTags = s => {
-    const lookup = {
-      '&': '&amp;',
-      '"': '&quot;',
-      "'": '&apos;',
-      '<': '&lt;',
-      '>': '&gt;',
-      '{': '&#123;',
-      '}': '&#125;'
-    }
-    return s.replace(/[&"'<>{}]/g, c => lookup[c])
-  }
+  const escapeHtmlTags = s => escapeHTML(s).replace(/[{}]/g, c => c === '{' ? '&#123;' : '&#125;')
 
   const trimmed = content.trim()
   // Split content using six dashes as a delimiter
diff --git a/scripts/tag/series.js b/scripts/tag/series.js
index 77f87c7..cadd2d4 100644
--- a/scripts/tag/series.js
+++ b/scripts/tag/series.js
@@ -12,6 +12,10 @@
 const urlFor = require('hexo-util').url_for.bind(hexo)
 const groups = {}
 
+hexo.extend.filter.register('before_generate', () => {
+  Object.keys(groups).forEach(k => delete groups[k])
+})
+
 hexo.extend.filter.register('before_post_render', data => {
   if (!hexo.theme.config.series.enable) return data
 
diff --git a/source/js/main.js b/source/js/main.js
index ac2112e..5fc6dca 100644
--- a/source/js/main.js
+++ b/source/js/main.js
@@ -2,18 +2,25 @@ document.addEventListener('DOMContentLoaded', () => {
   let headerContentWidth, $nav
   let mobileSidebarOpen = false
 
+  // rightsideScrollPercent
+  let goUpElement = null
+  let scrollPercentElement = null
+
   const adjustMenu = init => {
-    const getAllWidth = ele => Array.from(ele).reduce((width, i) => width + i.offsetWidth, 0)
+    let hideMenuIndex = false
 
     if (init) {
-      const blogInfoWidth = getAllWidth(document.querySelector('#blog-info > a').children)
-      const menusWidth = getAllWidth(document.getElementById('menus').children)
+      const blogInfoWidth = Array.from(document.querySelector('#blog-info > a').children).reduce((w, i) => w + i.offsetWidth, 0)
+      const menusWidth = Array.from(document.getElementById('menus').children).reduce((w, i) => w + i.offsetWidth, 0)
       headerContentWidth = blogInfoWidth + menusWidth
       $nav = document.getElementById('nav')
     }
 
-    const hideMenuIndex = window.innerWidth <= 768 || headerContentWidth > $nav.offsetWidth - 120
-    $nav.classList.toggle('hide-menu', hideMenuIndex)
+    hideMenuIndex = window.innerWidth <= 768 || headerContentWidth > $nav.offsetWidth - 120
+
+    requestAnimationFrame(() => {
+      $nav.classList.toggle('hide-menu', hideMenuIndex)
+    })
   }
 
   // 初始化header
@@ -54,7 +61,7 @@ document.addEventListener('DOMContentLoaded', () => {
    * 代碼
    * 只適用於Hexo默認的代碼渲染
    */
-  const addHighlightTool = () => {
+  const addHighlightTool = $article => {
     const highLight = GLOBAL_CONFIG.highlight
     if (!highLight) return
 
@@ -64,8 +71,8 @@ document.addEventListener('DOMContentLoaded', () => {
     const isNotHighlightJs = plugin !== 'highlight.js'
     const isPrismjs = plugin === 'prismjs'
     const $figureHighlight = isNotHighlightJs
-      ? Array.from(document.querySelectorAll('code[class*="language-"]')).map(code => code.parentElement)
-      : document.querySelectorAll('figure.highlight')
+      ? Array.from($article.querySelectorAll('code[class*="language-"]')).map(code => code.parentElement)
+      : $article.querySelectorAll('figure.highlight')
 
     if (!((isShowTool || highlightHeightLimit) && $figureHighlight.length)) return
 
@@ -167,33 +174,23 @@ 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 = () => {
-        let current = item
-        while (current !== document.body && current != null) {
-          if (window.getComputedStyle(current).display === 'none') {
-            hiddenElements.set(current, current.getAttribute('style') || '')
-          }
-          current = current.parentNode
-        }
+      const clone = item.cloneNode(true)
 
-        const style = 'visibility: hidden !important; display: block !important;'
-        hiddenElements.forEach((originalStyle, elem) => {
-          elem.setAttribute('style', originalStyle ? originalStyle + ';' + style : style)
-        })
-      }
+      clone.style.cssText = `
+        position: absolute !important;
+        visibility: hidden !important;
+        display: block !important;
+        left: 0 !important;
+        top: 0 !important;
+        pointer-events: none !important;
+        z-index: -1 !important;
+        margin: 0 !important;
+      `
 
-      const restore = () => {
-        hiddenElements.forEach((originalStyle, elem) => {
-          if (originalStyle === '') elem.removeAttribute('style')
-          else elem.setAttribute('style', originalStyle)
-        })
-      }
-
-      fix()
-      const height = item.offsetHeight
-      restore()
+      item.parentNode.insertBefore(clone, item)
+      const height = clone.offsetHeight
+      clone.remove()
       return height
     }
 
@@ -244,9 +241,9 @@ document.addEventListener('DOMContentLoaded', () => {
   /**
    * PhotoFigcaption
    */
-  const addPhotoFigcaption = () => {
+  const addPhotoFigcaption = $article => {
     if (!GLOBAL_CONFIG.isPhotoFigcaption) return
-    document.querySelectorAll('#article-container img').forEach(item => {
+    $article.querySelectorAll('img').forEach(item => {
       const altValue = item.title || item.alt
       if (!altValue) return
       const ele = document.createElement('div')
@@ -259,8 +256,8 @@ document.addEventListener('DOMContentLoaded', () => {
   /**
    * Lightbox
    */
-  const runLightbox = () => {
-    btf.loadLightbox(document.querySelectorAll('#article-container img:not(.no-lightbox)'))
+  const runLightbox = $article => {
+    btf.loadLightbox($article.querySelectorAll('img:not(.no-lightbox)'))
   }
 
   /**
@@ -270,18 +267,23 @@ document.addEventListener('DOMContentLoaded', () => {
   const fetchUrl = async url => {
     try {
       const response = await fetch(url)
+      if (!response.ok) throw new Error(`HTTP ${response.status}`)
       return await response.json()
-    } catch (error) {
-      console.error('Failed to fetch URL:', error)
-      return []
-    }
+    } catch (error) {
+      console.error('Failed to fetch URL:', error)
+      throw error
+    }
   }
 
   const runJustifiedGallery = (container, data, config) => {
-    const { isButton, limit, firstLimit, tabs } = config
+    const { isButton, tabs } = config
+    const limit = Math.max(1, Number(config.limit) || 20)
+    const firstLimit = Math.max(1, Number(config.firstLimit) || limit)
 
     const dataLength = data.length
-    const maxGroupKey = Math.ceil((dataLength - firstLimit) / limit + 1)
+    const maxGroupKey = dataLength
+      ? Math.ceil(Math.max(0, dataLength - firstLimit) / limit) + 1
+      : 0
 
     // Gallery configuration
     const igConfig = {
@@ -298,13 +300,19 @@ document.addEventListener('DOMContentLoaded', () => {
     let isLayoutHidden = false
 
     // Utility functions
-    const sanitizeString = str => (str && str.replace(/"/g, '&quot;')) || ''
+    const sanitizeString = str => String(str ?? '')
+      .replace(/&/g, '&amp;')
+      .replace(/"/g, '&quot;')
+      .replace(/'/g, '&#39;')
+      .replace(/</g, '&lt;')
+      .replace(/>/g, '&gt;')
 
     const createImageItem = item => {
       const alt = item.alt ? `alt="${sanitizeString(item.alt)}"` : ''
       const title = item.title ? `title="${sanitizeString(item.title)}"` : ''
+      const url = item.url ? sanitizeString(item.url) : ''
       return `<div class="item">
-        <img src="${item.url}" data-grid-maintained-target="true" ${alt} ${title} />
+        <img src="${url}" data-grid-maintained-target="true" ${alt} ${title} />
       </div>`
     }
 
@@ -373,11 +381,13 @@ document.addEventListener('DOMContentLoaded', () => {
     btf.setLoading.add(container)
     ig.on('renderComplete', handleRenderComplete)
 
-    if (isButton) {
+    if (isButton && dataLength) {
       appendItems(1, firstLimit, true)
-    } else {
+    } else if (dataLength) {
       ig.on('requestAppend', handleRequestAppend)
       ig.renderItems()
+    } else {
+      btf.setLoading.remove(container)
     }
 
     btf.addGlobalFn('pjaxSendOnce', () => ig.destroy())
@@ -400,11 +410,11 @@ document.addEventListener('DOMContentLoaded', () => {
         const container = element.firstElementChild
         const content = container.textContent
         container.textContent = ''
-        element.classList.add('loaded')
-
         try {
           const data = element.getAttribute('data-type') === 'url' ? await fetchUrl(content) : JSON.parse(content)
+          if (!Array.isArray(data)) throw new TypeError('Gallery data must be an array')
           runJustifiedGallery(container, data, config)
+          element.classList.add('loaded')
         } catch (error) {
           console.error('Gallery data parsing failed:', error)
         }
@@ -424,11 +434,11 @@ document.addEventListener('DOMContentLoaded', () => {
    */
   const rightsideScrollPercent = currentTop => {
     const scrollPercent = btf.getScrollPercent(currentTop, document.body)
-    const goUpElement = document.getElementById('go-up')
 
+    if (!goUpElement || !scrollPercentElement) return
     if (scrollPercent < 95) {
       goUpElement.classList.add('show-percent')
-      goUpElement.querySelector('.scroll-percent').textContent = scrollPercent
+      scrollPercentElement.textContent = scrollPercent
     } else {
       goUpElement.classList.remove('show-percent')
     }
@@ -439,24 +449,20 @@ document.addEventListener('DOMContentLoaded', () => {
    */
   const scrollFn = () => {
     const $rightside = document.getElementById('rightside')
-    const innerHeight = window.innerHeight + 56
     let initTop = 0
     const $header = document.getElementById('page-header')
-    const isChatBtn = typeof chatBtn !== 'undefined'
+    const isChatBtn = typeof window.chatBtn !== 'undefined'
     const isShowPercent = GLOBAL_CONFIG.percent.rightside
 
     // 檢查文檔高度是否小於視窗高度
     const checkDocumentHeight = () => {
-      if (document.body.scrollHeight <= innerHeight) {
+      if (document.body.scrollHeight <= window.innerHeight + 56) {
         $rightside.classList.add('rightside-show')
         return true
       }
       return false
     }
 
-    // 如果文檔高度小於視窗高度,直接返回
-    if (checkDocumentHeight()) return
-
     // find the scroll direction
     const scrollDirection = currentTop => {
       const result = currentTop > initTop // true is down & false is up
@@ -465,7 +471,9 @@ document.addEventListener('DOMContentLoaded', () => {
     }
 
     let flag = ''
-    const scrollTask = btf.throttle(() => {
+    const scrollTask = btf.rafThrottle(() => {
+      if (checkDocumentHeight()) return
+
       const currentTop = window.scrollY || document.documentElement.scrollTop
       const isDown = scrollDirection(currentTop)
       if (currentTop > 56) {
@@ -493,22 +501,21 @@ document.addEventListener('DOMContentLoaded', () => {
           $header.classList.remove('nav-fixed', 'nav-visible')
         }
         $rightside.classList.remove('rightside-show')
-      }
-
-      isShowPercent && rightsideScrollPercent(currentTop)
-      checkDocumentHeight()
-    }, 300)
-
-    btf.addEventListenerPjax(window, 'scroll', scrollTask, { passive: true })
-  }
+      }
+
+      isShowPercent && rightsideScrollPercent(currentTop)
+    })
+
+    checkDocumentHeight()
+    btf.addEventListenerPjax(window, 'scroll', scrollTask, { passive: true })
+  }
 
   /**
-  * toc,anchor
+  * toc, anchor
   */
-  const scrollFnToDo = () => {
+  const scrollFnToDo = $article => {
     const isToc = GLOBAL_CONFIG_SITE.isToc
     const isAnchor = GLOBAL_CONFIG.isAnchor
-    const $article = document.getElementById('article-container')
 
     if (!($article && (isToc || isAnchor))) return
 
@@ -521,7 +528,6 @@ document.addEventListener('DOMContentLoaded', () => {
       $tocPercentage = $cardTocLayout.querySelector('.toc-percentage')
       isExpand = $cardToc.classList.contains('is-expand')
 
-      // toc元素點擊
       const tocItemClickFn = e => {
         const target = e.target.closest('.toc-link')
         if (!target) return
@@ -548,101 +554,105 @@ document.addEventListener('DOMContentLoaded', () => {
         }
       }
 
-      // 處理 hexo-blog-encrypt 事件
       $cardToc.style.display = 'block'
     }
 
-    // find head position & add active class
     const $articleList = $article.querySelectorAll('h1,h2,h3,h4,h5,h6')
-    let detectItem = ''
+    if (!$articleList.length) return
 
-    // Optimization: Cache header positions
-    let headerList = []
-    const updateHeaderPositions = () => {
-      headerList = Array.from($articleList).map(ele => ({
-        ele,
-        top: btf.getEleTop(ele),
-        id: ele.id
-      }))
-    }
+    let activeTocItem = null
+    let activeParentItems = []
 
-    updateHeaderPositions()
-    const throttledUpdate = btf.throttle(updateHeaderPositions, 200)
-    btf.addEventListenerPjax(window, 'resize', throttledUpdate)
+    const updateTocUI = currentId => {
+      const encodedAnchor = currentId ? '#' + encodeURI(decodeURI(currentId)) : ''
+      if (isAnchor) btf.updateAnchor(encodedAnchor)
 
-    if ('ResizeObserver' in window) {
-      const observer = new ResizeObserver(throttledUpdate)
-      observer.observe($article)
-      btf.addGlobalFn('pjaxSendOnce', () => { observer.disconnect() })
-    }
+      if (!isToc) return
 
-    const findHeadPosition = top => {
-      if (top === 0) return false
+      if (activeTocItem) activeTocItem.classList.remove('active')
+      activeParentItems.forEach(i => i.classList.remove('active'))
+      activeParentItems = []
 
-      let currentId = ''
-      let currentIndex = ''
-
-      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
-        }
+      if (!currentId) {
+        activeTocItem = null
+        return
       }
 
-      if (detectItem === currentIndex) return
+      const targetLink = Array.from($tocLink).find(link => {
+        const href = link.getAttribute('href')
+        if (!href) return false
+        return decodeURI(href).replace('#', '') === decodeURI(currentId)
+      })
 
-      if (isAnchor) btf.updateAnchor(currentId)
+      if (!targetLink) return
 
-      detectItem = currentIndex
+      targetLink.classList.add('active')
+      activeTocItem = targetLink
+      setTimeout(() => autoScrollToc(targetLink), 0)
 
-      if (isToc) {
-        $cardToc.querySelectorAll('.active').forEach(i => i.classList.remove('active'))
-
-        if (currentId) {
-          const currentActive = $tocLink[currentIndex]
-          currentActive.classList.add('active')
-
-          setTimeout(() => autoScrollToc(currentActive), 0)
-
-          if (!isExpand) {
-            let parent = currentActive.parentNode
-            while (!parent.matches('.toc')) {
-              if (parent.matches('li')) parent.classList.add('active')
-              parent = parent.parentNode
-            }
+      if (!isExpand) {
+        let parent = targetLink.parentNode
+        while (!parent.matches('.toc')) {
+          if (parent.matches('li')) {
+            parent.classList.add('active')
+            activeParentItems.push(parent)
           }
+          parent = parent.parentNode
         }
       }
     }
 
-    // main of scroll
-    const tocScrollFn = btf.throttle(() => {
+    const observerOptions = {
+      root: null,
+      rootMargin: '-60px 0px -80% 0px',
+      threshold: 0
+    }
+
+    const observer = new IntersectionObserver(entries => {
+      entries.forEach(entry => {
+        if (entry.isIntersecting) {
+          updateTocUI(entry.target.id)
+        }
+      })
+    }, observerOptions)
+
+    $articleList.forEach(ele => observer.observe(ele))
+
+    const scrollHandler = btf.rafThrottle(() => {
       const currentTop = window.scrollY || document.documentElement.scrollTop
+
       if (isToc && GLOBAL_CONFIG.percent.toc) {
         $tocPercentage.textContent = btf.getScrollPercent(currentTop, $article)
       }
-      findHeadPosition(currentTop)
-    }, 100)
 
-    btf.addEventListenerPjax(window, 'scroll', tocScrollFn, { passive: true })
+      if (currentTop === 0) {
+        updateTocUI('')
+      } else if (currentTop + window.innerHeight >= document.documentElement.scrollHeight - 10) {
+        const lastHeader = $articleList[$articleList.length - 1]
+        updateTocUI(lastHeader.id)
+      }
+    })
+
+    btf.addEventListenerPjax(window, 'scroll', scrollHandler, { passive: true })
+
+    btf.addGlobalFn('pjaxSendOnce', () => {
+      observer.disconnect()
+    })
   }
 
   const handleThemeChange = mode => {
     const globalFn = window.globalFn || {}
-    const themeChange = globalFn.themeChange || {}
-    if (!themeChange) {
-      return
-    }
+    const themeChange = globalFn.themeChange
+    if (!themeChange) return
 
     Object.keys(themeChange).forEach(key => {
-      const themeChangeFn = themeChange[key]
+      const fn = themeChange[key]
+      if (typeof fn !== 'function') return
+
       if (['disqus', 'disqusjs'].includes(key)) {
-        setTimeout(() => themeChangeFn(mode), 300)
+        setTimeout(() => fn(mode), 300)
       } else {
-        themeChangeFn(mode)
+        fn(mode)
       }
     })
   }
@@ -804,8 +814,8 @@ document.addEventListener('DOMContentLoaded', () => {
   /**
    * table overflow
    */
-  const addTableWrap = () => {
-    const $table = document.querySelectorAll('#article-container table')
+  const addTableWrap = $article => {
+    const $table = $article.querySelectorAll('table')
     if (!$table.length) return
 
     $table.forEach(item => {
@@ -815,52 +825,54 @@ document.addEventListener('DOMContentLoaded', () => {
     })
   }
 
-  /**
-   * tag-hide
-   */
-  const clickFnOfTagHide = () => {
-    const hideButtons = document.querySelectorAll('#article-container .hide-button')
+  const clickFnOfTagHide = $article => {
+    const hideButtons = $article.querySelectorAll('.hide-button')
     if (!hideButtons.length) return
-    hideButtons.forEach(item => item.addEventListener('click', e => {
-      const currentTarget = e.currentTarget
-      currentTarget.classList.add('open')
-      addJustifiedGallery(currentTarget.nextElementSibling.querySelectorAll('.gallery-container'))
-    }, { once: true }))
+
+    const handleClickOfTagHide = e => {
+      const button = e.target.closest('.hide-button')
+      if (!button) return
+      button.classList.add('open')
+      addJustifiedGallery(button.nextElementSibling.querySelectorAll('.gallery-container'))
+    }
+
+    btf.addEventListenerPjax($article, 'click', handleClickOfTagHide)
   }
 
-  const tabsFn = () => {
-    const navTabsElements = document.querySelectorAll('#article-container .tabs')
-    if (!navTabsElements.length) return
+  const tabsFn = $article => {
+    if (!$article.querySelector('.tabs')) return
 
     const setActiveClass = (elements, activeIndex) => {
-      elements.forEach((el, index) => {
-        el.classList.toggle('active', index === activeIndex)
-      })
+      elements.forEach((el, index) => el.classList.toggle('active', index === activeIndex))
     }
 
-    const handleNavClick = e => {
-      const target = e.target.closest('button')
-      if (!target || target.classList.contains('active')) return
+    const handleClick = e => {
+      const tabsRoot = e.target.closest('.tabs')
+      if (!tabsRoot) return
 
-      const navItems = [...e.currentTarget.children]
-      const tabContents = [...e.currentTarget.nextElementSibling.children]
-      const indexOfButton = navItems.indexOf(target)
-      setActiveClass(navItems, indexOfButton)
-      e.currentTarget.classList.remove('no-default')
-      setActiveClass(tabContents, indexOfButton)
-      addJustifiedGallery(tabContents[indexOfButton].querySelectorAll('.gallery-container'), true)
-    }
+      const navContainer = tabsRoot.firstElementChild
+      const toTopContainer = tabsRoot.lastElementChild
 
-    const handleToTopClick = tabElement => e => {
-      if (e.target.closest('button')) {
-        btf.scrollToDest(btf.getEleTop(tabElement), 300)
+      if (navContainer.contains(e.target)) {
+        const target = e.target.closest('button')
+        if (!target || target.classList.contains('active')) return
+
+        const navItems = [...navContainer.children]
+        const tabContents = [...navContainer.nextElementSibling.children]
+        const indexOfButton = navItems.indexOf(target)
+        setActiveClass(navItems, indexOfButton)
+        navContainer.classList.remove('no-default')
+        setActiveClass(tabContents, indexOfButton)
+        addJustifiedGallery(tabContents[indexOfButton].querySelectorAll('.gallery-container'), true)
+        return
+      }
+
+      if (toTopContainer.contains(e.target) && e.target.closest('button')) {
+        btf.scrollToDest(btf.getEleTop(tabsRoot), 300)
       }
     }
 
-    navTabsElements.forEach(tabElement => {
-      btf.addEventListenerPjax(tabElement.firstElementChild, 'click', handleNavClick)
-      btf.addEventListenerPjax(tabElement.lastElementChild, 'click', handleToTopClick(tabElement))
-    })
+    btf.addEventListenerPjax($article, 'click', handleClick)
   }
 
   const toggleCardCategory = () => {
@@ -926,10 +938,13 @@ document.addEventListener('DOMContentLoaded', () => {
   }
 
   const unRefreshFn = () => {
-    window.addEventListener('resize', () => {
+    const resizeHandler = btf.rafThrottle(() => {
       adjustMenu(false)
-      mobileSidebarOpen && btf.isHidden(document.getElementById('toggle-menu')) && sidebarFn.close()
+      if (mobileSidebarOpen && btf.isHidden(document.getElementById('toggle-menu'))) {
+        sidebarFn.close()
+      }
     })
+    window.addEventListener('resize', resizeHandler, { passive: true })
 
     const menuMask = document.getElementById('menu-mask')
     menuMask && menuMask.addEventListener('click', () => { sidebarFn.close() })
@@ -947,18 +962,24 @@ document.addEventListener('DOMContentLoaded', () => {
   }
 
   const forPostFn = () => {
-    addHighlightTool()
-    addPhotoFigcaption()
-    addJustifiedGallery(document.querySelectorAll('#article-container .gallery-container'))
-    runLightbox()
-    scrollFnToDo()
-    addTableWrap()
-    clickFnOfTagHide()
-    tabsFn()
+    const $article = document.getElementById('article-container')
+    if (!$article || $article.querySelector('.hbe-container')) return
+
+    addHighlightTool($article)
+    addPhotoFigcaption($article)
+    addJustifiedGallery($article.querySelectorAll('.gallery-container'))
+    runLightbox($article)
+    scrollFnToDo($article)
+    addTableWrap($article)
+    clickFnOfTagHide($article)
+    tabsFn($article)
   }
 
   const refreshFn = () => {
     initAdjust()
+    goUpElement = document.getElementById('go-up')
+    scrollPercentElement = goUpElement?.querySelector('.scroll-percent')
+
     justifiedIndexPostUI()
 
     if (GLOBAL_CONFIG_SITE.pageType === 'post') {
diff --git a/source/js/search/algolia.js b/source/js/search/algolia.js
index 684e25f..24746af 100644
--- a/source/js/search/algolia.js
+++ b/source/js/search/algolia.js
@@ -1,562 +1,471 @@
-window.addEventListener('load', () => {
-  const { algolia } = GLOBAL_CONFIG
-  const { appId, apiKey, indexName, hitsPerPage = 5, languages } = algolia
-
-  if (!appId || !apiKey || !indexName) {
-    return console.error('Algolia setting is invalid!')
-  }
-
-  const $searchMask = document.getElementById('search-mask')
-  const $searchDialog = document.querySelector('#algolia-search .search-dialog')
-
-  const animateElements = show => {
-    const action = show ? 'animateIn' : 'animateOut'
-    const maskAnimation = show ? 'to_show 0.5s' : 'to_hide 0.5s'
-    const dialogAnimation = show ? 'titleScale 0.5s' : 'search_close .5s'
-    btf[action]($searchMask, maskAnimation)
-    btf[action]($searchDialog, dialogAnimation)
-  }
-
-  const fixSafariHeight = () => {
-    if (window.innerWidth < 768) {
-      $searchDialog.style.setProperty('--search-height', `${window.innerHeight}px`)
-    }
-  }
-
-  const openSearch = () => {
-    btf.overflowPaddingR.add()
-    animateElements(true)
-    showLoading(false)
-
-    setTimeout(() => {
-      const searchInput = document.querySelector('#algolia-search-input .ais-SearchBox-input')
-      if (searchInput) searchInput.focus()
-    }, 100)
-
-    const handleEscape = event => {
-      if (event.code === 'Escape') {
-        closeSearch()
-        document.removeEventListener('keydown', handleEscape)
-      }
-    }
-
-    document.addEventListener('keydown', handleEscape)
-    fixSafariHeight()
-    window.addEventListener('resize', fixSafariHeight)
-  }
-
-  const closeSearch = () => {
-    btf.overflowPaddingR.remove()
-    animateElements(false)
-    window.removeEventListener('resize', fixSafariHeight)
-  }
-
-  const searchClickFn = () => {
-    btf.addEventListenerPjax(document.querySelector('#search-button > .search'), 'click', openSearch)
-  }
-
-  const searchFnOnce = () => {
-    $searchMask.addEventListener('click', closeSearch)
-    document.querySelector('#algolia-search .search-close-button').addEventListener('click', closeSearch)
-  }
-
-  const cutContent = content => {
-    if (!content) return ''
-
-    let contentStr = ''
-    if (typeof content === 'string') {
-      contentStr = content.trim()
-    } else if (typeof content === 'object') {
-      if (content.value !== undefined) {
-        contentStr = String(content.value).trim()
-        if (!contentStr) return ''
-      } else if (content.matchedWords || content.matchLevel || content.fullyHighlighted !== undefined) {
-        return ''
-      } else {
-        try {
-          contentStr = JSON.stringify(content).trim()
-          if (contentStr === '{}' || contentStr === '[]' || contentStr === '""') {
-            return ''
-          }
-        } catch (e) {
-          return ''
-        }
-      }
-    } else if (content.toString && typeof content.toString === 'function') {
-      contentStr = content.toString().trim()
-      if (contentStr === '[object Object]' || contentStr === '[object Array]') {
-        return ''
-      }
-    } else {
-      return ''
-    }
-
-    const firstOccur = contentStr.indexOf('<mark>')
-    let start = firstOccur - 30
-    let end = firstOccur + 120
-    let pre = ''
-    let post = ''
-
-    if (start <= 0) {
-      start = 0
-      end = 140
-    } else {
-      pre = '...'
-    }
-
-    if (end > contentStr.length) {
-      end = contentStr.length
-    } else {
-      post = '...'
-    }
-
-    // Ensure we don't cut off HTML tags in the middle
-    let substr = contentStr.substring(start, end)
-
-    // Handle tag completeness
-    // Check for incomplete opening tags at the beginning
-    const firstCloseBracket = substr.indexOf('>')
-    const firstOpenBracket = substr.indexOf('<')
-
-    // If there's a closing bracket but no opening bracket before it, we've cut a tag
-    if (firstCloseBracket !== -1 && (firstOpenBracket === -1 || firstCloseBracket < firstOpenBracket)) {
-      substr = substr.substring(firstCloseBracket + 1)
-    }
-
-    // Check for incomplete closing tags at the end
-    const lastOpenBracket = substr.lastIndexOf('<')
-    const lastCloseBracket = substr.lastIndexOf('>')
-
-    // If there's an opening bracket after the last closing bracket, we've cut a tag
-    if (lastOpenBracket !== -1 && lastOpenBracket > lastCloseBracket) {
-      substr = substr.substring(0, lastOpenBracket)
-    }
-
-    // Balance tags in the substring
-    const tagStack = []
-    let balancedStr = ''
-    let i = 0
-
-    while (i < substr.length) {
-      if (substr[i] === '<') {
-        // Check if it's a closing tag
-        if (substr[i + 1] === '/') {
-          const closeTagEnd = substr.indexOf('>', i)
-          if (closeTagEnd !== -1) {
-            const closeTagName = substr.substring(i + 2, closeTagEnd)
-            // Remove matching opening tag from stack
-            for (let j = tagStack.length - 1; j >= 0; j--) {
-              if (tagStack[j] === closeTagName) {
-                tagStack.splice(j, 1)
-                break
-              }
-            }
-            balancedStr += substr.substring(i, closeTagEnd + 1)
-            i = closeTagEnd + 1
-            continue
-          }
-        } else if (substr.substr(i, 2) === '<!' || (substr.indexOf('/>', i) !== -1 && substr.indexOf('/>', i) < substr.indexOf('>', i))) {
-          const tagEnd = substr.indexOf('>', i)
-          if (tagEnd !== -1) {
-            balancedStr += substr.substring(i, tagEnd + 1)
-            i = tagEnd + 1
-            continue
-          }
-        } else {
-          const tagEnd = substr.indexOf('>', i)
-          if (tagEnd !== -1) {
-            const tagName = substr.substring(i + 1, (substr.indexOf(' ', i) > -1 && substr.indexOf(' ', i) < tagEnd)
-              ? substr.indexOf(' ', i)
-              : tagEnd).split(/\s/)[0]
-            tagStack.push(tagName)
-            balancedStr += substr.substring(i, tagEnd + 1)
-            i = tagEnd + 1
-            continue
-          }
-        }
-      }
-      balancedStr += substr[i]
-      i++
-    }
-
-    // Close any unclosed tags
-    while (tagStack.length > 0) {
-      const tagName = tagStack.pop()
-      balancedStr += `</${tagName}>`
-    }
-
-    // If we removed content from the beginning, add prefix
-    if (start > 0 || pre) {
-      const actualFirstOpenBracket = contentStr.indexOf('<', start > 0 ? start - 30 : 0)
-      const actualFirstMark = contentStr.indexOf('<mark>', start > 0 ? start - 30 : 0)
-
-      if (actualFirstOpenBracket !== -1 &&
-          (actualFirstMark === -1 || actualFirstOpenBracket < actualFirstMark)) {
-        pre = '...'
-      }
-    }
-
-    substr = balancedStr
-    return `${pre}${substr}${post}`
-  }
-
-  // Helper function to handle Algolia highlight results
-  const extractHighlightValue = highlightObj => {
-    if (!highlightObj) return ''
-
-    if (typeof highlightObj === 'string') {
-      return highlightObj.trim()
-    }
-
-    if (typeof highlightObj === 'object' && highlightObj.value !== undefined) {
-      return String(highlightObj.value).trim()
-    }
-
-    return ''
-  }
-
-  // Initialize Algolia client
-  let searchClient
-
-  if (window['algoliasearch/lite'] && typeof window['algoliasearch/lite'].liteClient === 'function') {
-    searchClient = window['algoliasearch/lite'].liteClient(appId, apiKey)
-  } else if (typeof window.algoliasearch === 'function') {
-    searchClient = window.algoliasearch(appId, apiKey)
-  } else {
-    return console.error('Algolia search client not found!')
-  }
-
-  if (!searchClient) {
-    return console.error('Failed to initialize Algolia search client')
-  }
-
-  // Search state
-  let currentQuery = ''
-
-  // Show loading state
-  const showLoading = show => {
-    const loadingIndicator = document.getElementById('loading-status')
-    if (loadingIndicator) {
-      loadingIndicator.hidden = !show
-    }
-  }
-
-  // Cache frequently used elements
-  const elements = {
-    get searchInput () { return document.querySelector('#algolia-search-input .ais-SearchBox-input') },
-    get hits () { return document.getElementById('algolia-hits') },
-    get hitsEmpty () { return document.getElementById('algolia-hits-empty') },
-    get hitsList () { return document.querySelector('#algolia-hits .ais-Hits-list') },
-    get hitsWrapper () { return document.querySelector('#algolia-hits .ais-Hits') },
-    get pagination () { return document.getElementById('algolia-pagination') },
-    get paginationList () { return document.querySelector('#algolia-pagination .ais-Pagination-list') },
-    get stats () { return document.querySelector('#algolia-info .ais-Stats-text') },
-  }
-
-  // Show/hide search results area
-  const toggleResultsVisibility = hasResults => {
-    elements.pagination.style.display = hasResults ? '' : 'none'
-    elements.stats.style.display = hasResults ? '' : 'none'
-  }
-
-  // Render search results
-  const renderHits = (hits, query, page = 0) => {
-    if (hits.length === 0 && query) {
-      elements.hitsEmpty.textContent = languages.hits_empty.replace(/\$\{query}/, query)
-      elements.hitsEmpty.style.display = ''
-      elements.hitsWrapper.style.display = 'none'
-      elements.stats.style.display = 'none'
-      return
-    }
-
-    elements.hitsEmpty.style.display = 'none'
-
-    const hitsHTML = hits.map((hit, index) => {
-      const itemNumber = page * hitsPerPage + index + 1
-      const link = hit.permalink || (GLOBAL_CONFIG.root + hit.path)
-      const result = hit._highlightResult || hit
-
-      // Content extraction
-      let content = ''
-      try {
-        if (result.contentStripTruncate) {
-          content = cutContent(result.contentStripTruncate)
-        } else if (result.contentStrip) {
-          content = cutContent(result.contentStrip)
-        } else if (result.content) {
-          content = cutContent(result.content)
-        } else if (hit.contentStripTruncate) {
-          content = cutContent(hit.contentStripTruncate)
-        } else if (hit.contentStrip) {
-          content = cutContent(hit.contentStrip)
-        } else if (hit.content) {
-          content = cutContent(hit.content)
-        }
-      } catch (error) {
-        content = ''
-      }
-
-      // Title handling
-      let title = 'no-title'
-      try {
-        if (result.title) {
-          title = extractHighlightValue(result.title) || 'no-title'
-        } else if (hit.title) {
-          title = extractHighlightValue(hit.title) || 'no-title'
-        }
-
-        if (!title || title === 'no-title') {
-          if (typeof hit.title === 'string' && hit.title.trim()) {
-            title = hit.title.trim()
-          } else if (hit.title && typeof hit.title === 'object' && hit.title.value) {
-            title = String(hit.title.value).trim() || 'no-title'
-          } else {
-            title = 'no-title'
-          }
-        }
-      } catch (error) {
-        title = 'no-title'
-      }
-
-      return `
-        <li class="ais-Hits-item" value="${itemNumber}">
-          <a href="${link}" class="algolia-hit-item-link">
-            <span class="algolia-hits-item-title">${title}</span>
-            ${content ? `<div class="algolia-hit-item-content">${content}</div>` : ''}
-          </a>
-        </li>`
-    }).join('')
-
-    elements.hitsList.innerHTML = hitsHTML
-    elements.hitsWrapper.style.display = query ? '' : 'none'
-
-    if (hits.length > 0) {
-      elements.stats.style.display = ''
-    }
-  }
-
-  // Render pagination
-  const renderPagination = (page, nbPages) => {
-    if (nbPages <= 1) {
-      elements.pagination.style.display = 'none'
-      elements.paginationList.innerHTML = ''
-      return
-    }
-
-    elements.pagination.style.display = 'block'
-
-    const isFirstPage = page === 0
-    const isLastPage = page === nbPages - 1
-
-    // Responsive page display
-    const isMobile = window.innerWidth < 768
-    const maxVisiblePages = isMobile ? 3 : 5
-    let startPage = Math.max(0, page - Math.floor(maxVisiblePages / 2))
-    const endPage = Math.min(nbPages - 1, startPage + maxVisiblePages - 1)
-
-    // Adjust starting page to maintain max visible pages
-    if (endPage - startPage + 1 < maxVisiblePages) {
-      startPage = Math.max(0, endPage - maxVisiblePages + 1)
-    }
-
-    let pagesHTML = ''
-
-    // Only add ellipsis and first page when there are many pages
-    if (nbPages > maxVisiblePages && startPage > 0) {
-      pagesHTML += `
-        <li class="ais-Pagination-item ais-Pagination-item--page">
-          <a class="ais-Pagination-link" aria-label="Page 1" href="#" data-page="0">1</a>
-        </li>`
-      if (startPage > 1) {
-        pagesHTML += `
-          <li class="ais-Pagination-item ais-Pagination-item--ellipsis">
-            <span class="ais-Pagination-link">...</span>
-          </li>`
-      }
-    }
-
-    // Add middle page numbers
-    for (let i = startPage; i <= endPage; i++) {
-      const isSelected = i === page
-      if (isSelected) {
-        pagesHTML += `
-          <li class="ais-Pagination-item ais-Pagination-item--page ais-Pagination-item--selected">
-            <span class="ais-Pagination-link" aria-label="Page ${i + 1}">${i + 1}</span>
-          </li>`
-      } else {
-        pagesHTML += `
-          <li class="ais-Pagination-item ais-Pagination-item--page">
-            <a class="ais-Pagination-link" aria-label="Page ${i + 1}" href="#" data-page="${i}">${i + 1}</a>
-          </li>`
-      }
-    }
-
-    // Only add ellipsis and last page when there are many pages
-    if (nbPages > maxVisiblePages && endPage < nbPages - 1) {
-      if (endPage < nbPages - 2) {
-        pagesHTML += `
-          <li class="ais-Pagination-item ais-Pagination-item--ellipsis">
-            <span class="ais-Pagination-link">...</span>
-          </li>`
-      }
-      pagesHTML += `
-        <li class="ais-Pagination-item ais-Pagination-item--page">
-          <a class="ais-Pagination-link" aria-label="Page ${nbPages}" href="#" data-page="${nbPages - 1}">${nbPages}</a>
-        </li>`
-    }
-
-    if (nbPages > 1) {
-      elements.paginationList.innerHTML = `
-            <li class="ais-Pagination-item ais-Pagination-item--previousPage ${isFirstPage ? 'ais-Pagination-item--disabled' : ''}">
-              ${isFirstPage
-                ? '<span class="ais-Pagination-link ais-Pagination-link--disabled" aria-label="Previous Page"><i class="fas fa-angle-left"></i></span>'
-                : `<a class="ais-Pagination-link" aria-label="Previous Page" href="#" data-page="${page - 1}"><i class="fas fa-angle-left"></i></a>`
-              }
-            </li>
-            ${pagesHTML}
-            <li class="ais-Pagination-item ais-Pagination-item--nextPage ${isLastPage ? 'ais-Pagination-item--disabled' : ''}">
-              ${isLastPage
-                ? '<span class="ais-Pagination-link ais-Pagination-link--disabled" aria-label="Next Page"><i class="fas fa-angle-right"></i></span>'
-                : `<a class="ais-Pagination-link" aria-label="Next Page" href="#" data-page="${page + 1}"><i class="fas fa-angle-right"></i></a>`
-              }
-            </li>`
-      elements.pagination.style.display = currentQuery ? '' : 'none'
-    } else {
-      elements.pagination.style.display = 'none'
-    }
-  }
-
-  // Render statistics
-  const renderStats = (nbHits, processingTimeMS, query) => {
-    if (query) {
-      const stats = languages.hits_stats
-        .replace(/\$\{hits}/, nbHits)
-        .replace(/\$\{time}/, processingTimeMS)
-      elements.stats.innerHTML = `<hr>${stats}`
-      elements.stats.style.display = ''
-    } else {
-      elements.stats.style.display = 'none'
-    }
-  }
-
-  // Perform search
-  const performSearch = async (query, page = 0) => {
-    if (!query.trim()) {
-      currentQuery = ''
-      renderHits([], '', 0)
-      renderPagination(0, 0)
-      renderStats(0, 0, '')
-      toggleResultsVisibility(false)
-      return
-    }
-
-    showLoading(true)
-    currentQuery = query
-
-    try {
-      let result
-
-      if (searchClient && typeof searchClient.search === 'function') {
-        // v5 multi-index search
-        const searchResult = await searchClient.search([{
-          indexName,
-          query,
-          params: {
-            page,
-            hitsPerPage,
-            highlightPreTag: '<mark>',
-            highlightPostTag: '</mark>',
-            attributesToHighlight: ['title', 'content', 'contentStrip', 'contentStripTruncate']
-          }
-        }])
-        result = searchResult.results[0]
-      } else if (searchClient && typeof searchClient.initIndex === 'function') {
-        // v4 single-index search
-        const index = searchClient.initIndex(indexName)
-        result = await index.search(query, {
-          page,
-          hitsPerPage,
-          highlightPreTag: '<mark>',
-          highlightPostTag: '</mark>',
-          attributesToHighlight: ['title', 'content', 'contentStrip', 'contentStripTruncate']
-        })
-      } else {
-        throw new Error('Algolia: No compatible search method available')
-      }
-
-      renderHits(result.hits || [], query, page)
-
-      const actualNbPages = result.nbHits <= hitsPerPage ? 1 : (result.nbPages || 0)
-      renderPagination(page, actualNbPages)
-      renderStats(result.nbHits || 0, result.processingTimeMS || 0, query)
-
-      const hasResults = result.hits && result.hits.length > 0
-      toggleResultsVisibility(hasResults)
-
-      // Refresh Pjax links
-      if (window.pjax) {
-        window.pjax.refresh(document.getElementById('algolia-hits'))
-      }
-    } catch (error) {
-      console.error('Algolia search error:', error)
-      renderHits([], query, page)
-      renderPagination(0, 0)
-      renderStats(0, 0, query)
-    } finally {
-      showLoading(false)
-    }
-  }
-
-  // Debounced search
-  let searchTimeout
-  const debouncedSearch = (query, delay = 300) => {
-    clearTimeout(searchTimeout)
-    searchTimeout = setTimeout(() => performSearch(query), delay)
-  }
-
-  // Initialize search box and events
-  const initializeSearch = () => {
-    showLoading(false)
-
-    if (elements.searchInput) {
-      elements.searchInput.addEventListener('input', e => {
-        const query = e.target.value
-        debouncedSearch(query)
-      })
-    }
-
-    const searchForm = document.querySelector('#algolia-search-input .ais-SearchBox-form')
-    if (searchForm) {
-      searchForm.addEventListener('submit', e => {
-        e.preventDefault()
-        const query = elements.searchInput.value
-        performSearch(query)
-      })
-    }
-
-    // Pagination event delegation
-    elements.pagination.addEventListener('click', e => {
-      e.preventDefault()
-      const link = e.target.closest('a[data-page]')
-      if (link) {
-        const page = parseInt(link.dataset.page, 10)
-        if (!isNaN(page) && currentQuery) {
-          performSearch(currentQuery, page)
-        }
-      }
-    })
-
-    // Initial state
-    toggleResultsVisibility(false)
-  }
-
-  // Initialize
-  initializeSearch()
-  searchClickFn()
-  searchFnOnce()
-
-  window.addEventListener('pjax:complete', () => {
-    if (!btf.isHidden($searchMask)) closeSearch()
-    searchClickFn()
-  })
-})
+window.addEventListener('load', () => {
+  const { algolia } = GLOBAL_CONFIG
+  const { appId, apiKey, indexName, hitsPerPage = 5, languages } = algolia
+
+  if (!appId || !apiKey || !indexName) {
+    return console.error('Algolia setting is invalid!')
+  }
+
+  const CONTENT_FIELDS = ['contentStripTruncate', 'contentStrip', 'content']
+  const HIGHLIGHT_PARAMS = {
+    highlightPreTag: '<mark>',
+    highlightPostTag: '</mark>',
+    attributesToHighlight: ['title', 'content', 'contentStrip', 'contentStripTruncate']
+  }
+
+  // Pre-compiled regex for tag balancing (reused across cutContent calls)
+  const TAG_REGEX = /<\/?([a-zA-Z][a-zA-Z0-9]*)[^>]*\/?>/g
+
+  const $searchMask = document.getElementById('search-mask')
+  const $searchDialog = document.querySelector('#algolia-search .search-dialog')
+  const $loadingStatus = document.getElementById('loading-status')
+  const $hits = document.getElementById('algolia-hits')
+  const $hitsEmpty = document.getElementById('algolia-hits-empty')
+  const $hitsList = document.querySelector('#algolia-hits .ais-Hits-list')
+  const $hitsWrapper = document.querySelector('#algolia-hits .ais-Hits')
+  const $pagination = document.getElementById('algolia-pagination')
+  const $paginationList = document.querySelector('#algolia-pagination .ais-Pagination-list')
+  const $stats = document.querySelector('#algolia-info .ais-Stats-text')
+  const $searchInput = document.querySelector('#algolia-search-input .ais-SearchBox-input')
+  const $searchForm = document.querySelector('#algolia-search-input .ais-SearchBox-form')
+
+  const animateElements = show => {
+    const action = show ? 'animateIn' : 'animateOut'
+    const maskAnimation = show ? 'to_show 0.5s' : 'to_hide 0.5s'
+    const dialogAnimation = show ? 'titleScale 0.5s' : 'search_close .5s'
+    btf[action]($searchMask, maskAnimation)
+    btf[action]($searchDialog, dialogAnimation)
+  }
+
+  const fixSafariHeight = () => {
+    if (window.innerWidth < 768) {
+      $searchDialog.style.setProperty('--search-height', `${window.innerHeight}px`)
+    }
+  }
+
+  // Debounced resize to avoid layout thrashing
+  let resizeTimer
+  const onResize = () => {
+    clearTimeout(resizeTimer)
+    resizeTimer = setTimeout(fixSafariHeight, 150)
+  }
+
+  const handleEscape = event => {
+    if (event.code === 'Escape') {
+      closeSearch()
+      document.removeEventListener('keydown', handleEscape)
+    }
+  }
+
+  const showLoading = show => {
+    if ($loadingStatus) $loadingStatus.hidden = !show
+  }
+
+  const openSearch = () => {
+    btf.overflowPaddingR.add()
+    animateElements(true)
+    showLoading(false)
+
+    setTimeout(() => {
+      if ($searchInput) $searchInput.focus()
+    }, 100)
+
+    document.addEventListener('keydown', handleEscape)
+    fixSafariHeight()
+    window.addEventListener('resize', onResize)
+  }
+
+  const closeSearch = () => {
+    btf.overflowPaddingR.remove()
+    animateElements(false)
+    document.removeEventListener('keydown', handleEscape)
+    window.removeEventListener('resize', onResize)
+  }
+
+  const searchClickFn = () => {
+    btf.addEventListenerPjax(document.querySelector('#search-button > .search'), 'click', openSearch)
+  }
+
+  const searchFnOnce = () => {
+    $searchMask.addEventListener('click', closeSearch)
+    document.querySelector('#algolia-search .search-close-button').addEventListener('click', closeSearch)
+  }
+
+  const extractContentStr = content => {
+    if (!content) return ''
+    if (typeof content === 'string') return content.trim()
+    if (typeof content === 'object') {
+      if (content.value !== undefined) {
+        const str = String(content.value).trim()
+        return str || ''
+      }
+      if (content.matchedWords || content.matchLevel || content.fullyHighlighted !== undefined) return ''
+      try {
+        const str = JSON.stringify(content).trim()
+        return (str === '{}' || str === '[]' || str === '""') ? '' : str
+      } catch (e) { return '' }
+    }
+    if (content.toString && typeof content.toString === 'function') {
+      const str = content.toString().trim()
+      return (str === '[object Object]' || str === '[object Array]') ? '' : str
+    }
+    return ''
+  }
+
+  const extractHighlightValue = highlightObj => {
+    if (!highlightObj) return ''
+    if (typeof highlightObj === 'string') return highlightObj.trim()
+    if (typeof highlightObj === 'object' && highlightObj.value !== undefined) {
+      return String(highlightObj.value).trim()
+    }
+    return ''
+  }
+
+  const cutContent = content => {
+    const contentStr = extractContentStr(content)
+    if (!contentStr) return ''
+
+    const firstOccur = contentStr.indexOf('<mark>')
+    let start = firstOccur - 30
+    let end = firstOccur + 120
+    let pre = ''
+    let post = ''
+
+    if (start <= 0) {
+      start = 0
+      end = 140
+    } else {
+      pre = '...'
+    }
+
+    if (end > contentStr.length) {
+      end = contentStr.length
+    } else {
+      post = '...'
+    }
+
+    let substr = contentStr.substring(start, end)
+
+    // Remove incomplete tags at boundaries
+    const firstCloseBracket = substr.indexOf('>')
+    const firstOpenBracket = substr.indexOf('<')
+    if (firstCloseBracket !== -1 && (firstOpenBracket === -1 || firstCloseBracket < firstOpenBracket)) {
+      substr = substr.substring(firstCloseBracket + 1)
+    }
+
+    const lastOpenBracket = substr.lastIndexOf('<')
+    const lastCloseBracket = substr.lastIndexOf('>')
+    if (lastOpenBracket !== -1 && lastOpenBracket > lastCloseBracket) {
+      substr = substr.substring(0, lastOpenBracket)
+    }
+
+    // Balance tags using regex
+    const tagStack = []
+    let balancedStr = ''
+    let lastIndex = 0
+    let match
+
+    TAG_REGEX.lastIndex = 0
+    while ((match = TAG_REGEX.exec(substr)) !== null) {
+      const fullTag = match[0]
+      const tagName = match[1]
+      const tagStart = match.index
+
+      // Append text before this tag
+      balancedStr += substr.substring(lastIndex, tagStart)
+
+      if (fullTag.startsWith('</')) {
+        // Closing tag - remove matching opening tag from stack
+        const idx = tagStack.lastIndexOf(tagName)
+        if (idx !== -1) tagStack.splice(idx, 1)
+      } else if (!fullTag.endsWith('/>') && !fullTag.startsWith('<!')) {
+        // Opening tag (not self-closing or comment)
+        tagStack.push(tagName)
+      }
+      balancedStr += fullTag
+      lastIndex = tagStart + fullTag.length
+    }
+    balancedStr += substr.substring(lastIndex)
+
+    // Close unclosed tags
+    for (let i = tagStack.length - 1; i >= 0; i--) {
+      balancedStr += `</${tagStack[i]}>`
+    }
+
+    // Check if we cut a mark tag at the beginning
+    if (start > 0 || pre) {
+      const checkStart = Math.max(0, start - 30)
+      const actualFirstOpenBracket = contentStr.indexOf('<', checkStart)
+      const actualFirstMark = contentStr.indexOf('<mark>', checkStart)
+      if (actualFirstOpenBracket !== -1 && (actualFirstMark === -1 || actualFirstOpenBracket < actualFirstMark)) {
+        pre = '...'
+      }
+    }
+
+    return `${pre}${balancedStr}${post}`
+  }
+
+  let searchClient
+
+  if (window['algoliasearch/lite'] && typeof window['algoliasearch/lite'].liteClient === 'function') {
+    searchClient = window['algoliasearch/lite'].liteClient(appId, apiKey)
+  } else if (typeof window.algoliasearch === 'function') {
+    searchClient = window.algoliasearch(appId, apiKey)
+  } else {
+    return console.error('Algolia search client not found!')
+  }
+
+  if (!searchClient) {
+    return console.error('Failed to initialize Algolia search client')
+  }
+
+  let currentQuery = ''
+  let searchRequestId = 0 // Race condition guard
+
+  const toggleResultsVisibility = hasResults => {
+    $pagination.style.display = hasResults ? '' : 'none'
+    $stats.style.display = hasResults ? '' : 'none'
+  }
+
+  const renderHits = (hits, query, page = 0) => {
+    if (hits.length === 0 && query) {
+      $hitsEmpty.textContent = languages.hits_empty.replace(/\$\{query}/, query)
+      $hitsEmpty.style.display = ''
+      $hitsWrapper.style.display = 'none'
+      $stats.style.display = 'none'
+      return
+    }
+
+    $hitsEmpty.style.display = 'none'
+
+    const hitsHTML = hits.map((hit, index) => {
+      const itemNumber = page * hitsPerPage + index + 1
+      const link = hit.permalink || (GLOBAL_CONFIG.root + hit.path)
+      const result = hit._highlightResult || hit
+
+      // Content extraction - try highlight result first, then raw hit
+      let content = ''
+      for (const field of CONTENT_FIELDS) {
+        if (result[field]) { content = cutContent(result[field]); break }
+        if (hit[field]) { content = cutContent(hit[field]); break }
+      }
+
+      // Title handling - try highlight result first, then raw hit
+      let title = 'no-title'
+      const titleSource = result.title || hit.title
+      if (titleSource) {
+        title = extractHighlightValue(titleSource) || 'no-title'
+      }
+      if (title === 'no-title') {
+        if (typeof hit.title === 'string' && hit.title.trim()) {
+          title = hit.title.trim()
+        } else if (hit.title?.value) {
+          title = String(hit.title.value).trim() || 'no-title'
+        }
+      }
+
+      return `<li class="ais-Hits-item" value="${itemNumber}">
+          <a href="${link}" class="algolia-hit-item-link">
+            <span class="algolia-hits-item-title">${title}</span>
+            ${content ? `<div class="algolia-hit-item-content">${content}</div>` : ''}
+          </a>
+        </li>`
+    }).join('')
+
+    $hitsList.innerHTML = hitsHTML
+    $hitsWrapper.style.display = query ? '' : 'none'
+
+    if (hits.length > 0) {
+      $stats.style.display = ''
+    }
+  }
+
+  const renderPagination = (page, nbPages) => {
+    if (nbPages <= 1) {
+      $pagination.style.display = 'none'
+      $paginationList.innerHTML = ''
+      return
+    }
+
+    const isFirstPage = page === 0
+    const isLastPage = page === nbPages - 1
+
+    // Responsive page display
+    const isMobile = window.innerWidth < 768
+    const maxVisiblePages = isMobile ? 3 : 5
+    let startPage = Math.max(0, page - Math.floor(maxVisiblePages / 2))
+    const endPage = Math.min(nbPages - 1, startPage + maxVisiblePages - 1)
+
+    // Adjust starting page to maintain max visible pages
+    if (endPage - startPage + 1 < maxVisiblePages) {
+      startPage = Math.max(0, endPage - maxVisiblePages + 1)
+    }
+
+    const parts = []
+
+    // Only add ellipsis and first page when there are many pages
+    if (nbPages > maxVisiblePages && startPage > 0) {
+      parts.push('<li class="ais-Pagination-item ais-Pagination-item--page"><a class="ais-Pagination-link" aria-label="Page 1" href="#" data-page="0">1</a></li>')
+      if (startPage > 1) {
+        parts.push('<li class="ais-Pagination-item ais-Pagination-item--ellipsis"><span class="ais-Pagination-link">...</span></li>')
+      }
+    }
+
+    // Add middle page numbers
+    for (let i = startPage; i <= endPage; i++) {
+      if (i === page) {
+        parts.push(`<li class="ais-Pagination-item ais-Pagination-item--page ais-Pagination-item--selected"><span class="ais-Pagination-link" aria-label="Page ${i + 1}">${i + 1}</span></li>`)
+      } else {
+        parts.push(`<li class="ais-Pagination-item ais-Pagination-item--page"><a class="ais-Pagination-link" aria-label="Page ${i + 1}" href="#" data-page="${i}">${i + 1}</a></li>`)
+      }
+    }
+
+    // Only add ellipsis and last page when there are many pages
+    if (nbPages > maxVisiblePages && endPage < nbPages - 1) {
+      if (endPage < nbPages - 2) {
+        parts.push('<li class="ais-Pagination-item ais-Pagination-item--ellipsis"><span class="ais-Pagination-link">...</span></li>')
+      }
+      parts.push(`<li class="ais-Pagination-item ais-Pagination-item--page"><a class="ais-Pagination-link" aria-label="Page ${nbPages}" href="#" data-page="${nbPages - 1}">${nbPages}</a></li>`)
+    }
+
+    // Build prev/next links
+    const prevLink = isFirstPage
+      ? '<span class="ais-Pagination-link ais-Pagination-link--disabled" aria-label="Previous Page"><i class="fas fa-angle-left"></i></span>'
+      : `<a class="ais-Pagination-link" aria-label="Previous Page" href="#" data-page="${page - 1}"><i class="fas fa-angle-left"></i></a>`
+    const nextLink = isLastPage
+      ? '<span class="ais-Pagination-link ais-Pagination-link--disabled" aria-label="Next Page"><i class="fas fa-angle-right"></i></span>'
+      : `<a class="ais-Pagination-link" aria-label="Next Page" href="#" data-page="${page + 1}"><i class="fas fa-angle-right"></i></a>`
+
+    $paginationList.innerHTML = `<li class="ais-Pagination-item ais-Pagination-item--previousPage ${isFirstPage ? 'ais-Pagination-item--disabled' : ''}">${prevLink}</li>${parts.join('')}<li class="ais-Pagination-item ais-Pagination-item--nextPage ${isLastPage ? 'ais-Pagination-item--disabled' : ''}">${nextLink}</li>`
+    $pagination.style.display = currentQuery ? '' : 'none'
+  }
+
+  const renderStats = (nbHits, processingTimeMS, query) => {
+    if (query) {
+      const stats = languages.hits_stats
+        .replace(/\$\{hits}/, nbHits)
+        .replace(/\$\{time}/, processingTimeMS)
+      $stats.innerHTML = `<hr>${stats}`
+      $stats.style.display = ''
+    } else {
+      $stats.style.display = 'none'
+    }
+  }
+
+  const performSearch = async (query, page = 0) => {
+    const trimmedQuery = query.trim()
+
+    if (!trimmedQuery) {
+      currentQuery = ''
+      searchRequestId++
+      renderHits([], '', 0)
+      renderPagination(0, 0)
+      renderStats(0, 0, '')
+      toggleResultsVisibility(false)
+      return
+    }
+
+    showLoading(true)
+    currentQuery = trimmedQuery
+    const requestId = ++searchRequestId
+
+    try {
+      let result
+
+      if (searchClient && typeof searchClient.search === 'function') {
+        // v5 multi-index search
+        const searchResult = await searchClient.search([{
+          indexName,
+          query: trimmedQuery,
+          params: { page, hitsPerPage, ...HIGHLIGHT_PARAMS }
+        }])
+        result = searchResult.results[0]
+      } else if (searchClient && typeof searchClient.initIndex === 'function') {
+        // v4 single-index search
+        const index = searchClient.initIndex(indexName)
+        result = await index.search(trimmedQuery, { page, hitsPerPage, ...HIGHLIGHT_PARAMS })
+      } else {
+        throw new Error('Algolia: No compatible search method available')
+      }
+
+      // Discard stale results from superseded searches
+      if (requestId !== searchRequestId) return
+
+      renderHits(result.hits || [], trimmedQuery, page)
+
+      const actualNbPages = result.nbHits <= hitsPerPage ? 1 : (result.nbPages || 0)
+      renderPagination(page, actualNbPages)
+      renderStats(result.nbHits || 0, result.processingTimeMS || 0, trimmedQuery)
+
+      const hasResults = result.hits && result.hits.length > 0
+      toggleResultsVisibility(hasResults)
+
+      // Refresh Pjax links
+      if (window.pjax) {
+        window.pjax.refresh($hits)
+      }
+    } catch (error) {
+      if (requestId !== searchRequestId) return
+      console.error('Algolia search error:', error)
+      renderHits([], trimmedQuery, page)
+      renderPagination(0, 0)
+      renderStats(0, 0, trimmedQuery)
+    } finally {
+      if (requestId === searchRequestId) {
+        showLoading(false)
+      }
+    }
+  }
+
+  let searchTimeout
+  const debouncedSearch = (query, delay = 300) => {
+    clearTimeout(searchTimeout)
+    // Empty query: clear results immediately without debounce delay
+    if (!query.trim()) {
+      performSearch(query)
+      return
+    }
+    searchTimeout = setTimeout(() => performSearch(query), delay)
+  }
+
+  const initializeSearch = () => {
+    showLoading(false)
+
+    if ($searchInput) {
+      $searchInput.addEventListener('input', e => {
+        debouncedSearch(e.target.value)
+      })
+    }
+
+    if ($searchForm) {
+      $searchForm.addEventListener('submit', e => {
+        e.preventDefault()
+        performSearch($searchInput ? $searchInput.value : '')
+      })
+    }
+
+    // Pagination event delegation
+    $pagination.addEventListener('click', e => {
+      e.preventDefault()
+      const link = e.target.closest('a[data-page]')
+      if (link) {
+        const page = parseInt(link.dataset.page, 10)
+        if (!isNaN(page) && currentQuery) {
+          performSearch(currentQuery, page)
+        }
+      }
+    })
+
+    // Initial state
+    toggleResultsVisibility(false)
+  }
+
+  initializeSearch()
+  searchClickFn()
+  searchFnOnce()
+
+  window.addEventListener('pjax:complete', () => {
+    if (!btf.isHidden($searchMask)) closeSearch()
+    searchClickFn()
+  })
+})
diff --git a/source/js/search/local-search.js b/source/js/search/local-search.js
index 111dd07..c3cd40c 100644
--- a/source/js/search/local-search.js
+++ b/source/js/search/local-search.js
@@ -1,567 +1,567 @@
-/**
- * Refer to hexo-generator-searchdb
- * https://github.com/next-theme/hexo-generator-searchdb/blob/main/dist/search.js
- * Modified by hexo-theme-butterfly
- */
-
-class LocalSearch {
-  constructor ({
-    path = '',
-    unescape = false,
-    top_n_per_article = 1
-  }) {
-    this.path = path
-    this.unescape = unescape
-    this.top_n_per_article = top_n_per_article
-    this.isfetched = false
-    this.datas = null
-  }
-
-  getIndexByWord (words, text, caseSensitive = false) {
-    const index = []
-    const included = new Set()
-
-    if (!caseSensitive) {
-      text = text.toLowerCase()
-    }
-    words.forEach(word => {
-      if (this.unescape) {
-        const div = document.createElement('div')
-        div.innerText = word
-        word = div.innerHTML
-      }
-      const wordLen = word.length
-      if (wordLen === 0) return
-      let startPosition = 0
-      let position = -1
-      if (!caseSensitive) {
-        word = word.toLowerCase()
-      }
-      while ((position = text.indexOf(word, startPosition)) > -1) {
-        index.push({ position, word })
-        included.add(word)
-        startPosition = position + wordLen
-      }
-    })
-    // Sort index by position of keyword
-    index.sort((left, right) => {
-      if (left.position !== right.position) {
-        return left.position - right.position
-      }
-      return right.word.length - left.word.length
-    })
-    return [index, included]
-  }
-
-  // Merge hits into slices
-  mergeIntoSlice (start, end, index) {
-    let item = index[0]
-    let { position, word } = item
-    const hits = []
-    const count = new Set()
-    while (position + word.length <= end && index.length !== 0) {
-      count.add(word)
-      hits.push({
-        position,
-        length: word.length
-      })
-      const wordEnd = position + word.length
-
-      // Move to next position of hit
-      index.shift()
-      while (index.length !== 0) {
-        item = index[0]
-        position = item.position
-        word = item.word
-        if (wordEnd > position) {
-          index.shift()
-        } else {
-          break
-        }
-      }
-    }
-    return {
-      hits,
-      start,
-      end,
-      count: count.size
-    }
-  }
-
-  // Highlight title and content
-  highlightKeyword (val, slice) {
-    let result = ''
-    let index = slice.start
-    for (const { position, length } of slice.hits) {
-      result += val.substring(index, position)
-      index = position + length
-      result += `<mark class="search-keyword">${val.substr(position, length)}</mark>`
-    }
-    result += val.substring(index, slice.end)
-    return result
-  }
-
-  getResultItems (keywords) {
-    const resultItems = []
-    this.datas.forEach(({ title, content, url }) => {
-      // The number of different keywords included in the article.
-      const [indexOfTitle, keysOfTitle] = this.getIndexByWord(keywords, title)
-      const [indexOfContent, keysOfContent] = this.getIndexByWord(keywords, content)
-      const includedCount = new Set([...keysOfTitle, ...keysOfContent]).size
-
-      // Show search results
-      const hitCount = indexOfTitle.length + indexOfContent.length
-      if (hitCount === 0) return
-
-      const slicesOfTitle = []
-      if (indexOfTitle.length !== 0) {
-        slicesOfTitle.push(this.mergeIntoSlice(0, title.length, indexOfTitle))
-      }
-
-      let slicesOfContent = []
-      while (indexOfContent.length !== 0) {
-        const item = indexOfContent[0]
-        const { position } = item
-        // Cut out 120 characters. The maxlength of .search-input is 80.
-        const start = Math.max(0, position - 20)
-        const end = Math.min(content.length, position + 100)
-        slicesOfContent.push(this.mergeIntoSlice(start, end, indexOfContent))
-      }
-
-      // Sort slices in content by included keywords' count and hits' count
-      slicesOfContent.sort((left, right) => {
-        if (left.count !== right.count) {
-          return right.count - left.count
-        } else if (left.hits.length !== right.hits.length) {
-          return right.hits.length - left.hits.length
-        }
-        return left.start - right.start
-      })
-
-      // Select top N slices in content
-      const upperBound = parseInt(this.top_n_per_article, 10)
-      if (upperBound >= 0) {
-        slicesOfContent = slicesOfContent.slice(0, upperBound)
-      }
-
-      let resultItem = ''
-
-      url = new URL(url, location.origin)
-      url.searchParams.append('highlight', keywords.join(' '))
-
-      if (slicesOfTitle.length !== 0) {
-        resultItem += `<li class="local-search-hit-item"><a href="${url.href}"><span class="search-result-title">${this.highlightKeyword(title, slicesOfTitle[0])}</span>`
-      } else {
-        resultItem += `<li class="local-search-hit-item"><a href="${url.href}"><span class="search-result-title">${title}</span>`
-      }
-
-      slicesOfContent.forEach(slice => {
-        resultItem += `<p class="search-result">${this.highlightKeyword(content, slice)}...</p>`
-      })
-
-      resultItem += '</a></li>'
-      resultItems.push({
-        item: resultItem,
-        id: resultItems.length,
-        hitCount,
-        includedCount
-      })
-    })
-    return resultItems
-  }
-
-  fetchData () {
-    const isXml = !this.path.endsWith('json')
-    fetch(this.path)
-      .then(response => response.text())
-      .then(res => {
-        // Get the contents from search data
-        this.isfetched = true
-        this.datas = isXml
-          ? [...new DOMParser().parseFromString(res, 'text/xml').querySelectorAll('entry')].map(element => ({
-              title: element.querySelector('title').textContent,
-              content: element.querySelector('content').textContent,
-              url: element.querySelector('url').textContent
-            }))
-          : JSON.parse(res)
-        // Only match articles with non-empty titles
-        this.datas = this.datas.filter(data => data.title).map(data => {
-          data.title = data.title.trim()
-          data.content = data.content ? data.content.trim().replace(/<[^>]+>/g, '') : ''
-          data.url = decodeURIComponent(data.url).replace(/\/{2,}/g, '/')
-          return data
-        })
-        // Remove loading animation
-        window.dispatchEvent(new Event('search:loaded'))
-      })
-  }
-
-  // Highlight by wrapping node in mark elements with the given class name
-  highlightText (node, slice, className) {
-    const val = node.nodeValue
-    let index = slice.start
-    const children = []
-    for (const { position, length } of slice.hits) {
-      const text = document.createTextNode(val.substring(index, position))
-      index = position + length
-      const mark = document.createElement('mark')
-      mark.className = className
-      mark.appendChild(document.createTextNode(val.substr(position, length)))
-      children.push(text, mark)
-    }
-    node.nodeValue = val.substring(index, slice.end)
-    children.forEach(element => {
-      node.parentNode.insertBefore(element, node)
-    })
-  }
-
-  // Highlight the search words provided in the url in the text
-  highlightSearchWords (body) {
-    const params = new URL(location.href).searchParams.get('highlight')
-    const keywords = params ? params.split(' ') : []
-    if (!keywords.length || !body) return
-    const walk = document.createTreeWalker(body, NodeFilter.SHOW_TEXT, null)
-    const allNodes = []
-    while (walk.nextNode()) {
-      if (!walk.currentNode.parentNode.matches('button, select, textarea, .mermaid')) allNodes.push(walk.currentNode)
-    }
-    allNodes.forEach(node => {
-      const [indexOfNode] = this.getIndexByWord(keywords, node.nodeValue)
-      if (!indexOfNode.length) return
-      const slice = this.mergeIntoSlice(0, node.nodeValue.length, indexOfNode)
-      this.highlightText(node, slice, 'search-keyword')
-    })
-  }
-}
-
-window.addEventListener('load', () => {
-// Search
-  const { path, top_n_per_article, unescape, languages, pagination } = GLOBAL_CONFIG.localSearch
-  const enablePagination = pagination && pagination.enable
-  const localSearch = new LocalSearch({
-    path,
-    top_n_per_article,
-    unescape
-  })
-
-  const input = document.querySelector('.local-search-input input')
-  const statsItem = document.getElementById('local-search-stats')
-  const $loadingStatus = document.getElementById('loading-status')
-  const isXml = !path.endsWith('json')
-
-  // Pagination variables (only initialize if pagination is enabled)
-  let currentPage = 0
-  const hitsPerPage = pagination.hitsPerPage || 10
-
-  let currentResultItems = []
-
-  if (!enablePagination) {
-    // If pagination is disabled, we don't need these variables
-    currentPage = undefined
-    currentResultItems = undefined
-  }
-
-  // Cache frequently used elements
-  const elements = {
-    get pagination () { return document.getElementById('local-search-pagination') },
-    get paginationList () { return document.querySelector('#local-search-pagination .ais-Pagination-list') }
-  }
-
-  // Show/hide search results area
-  const toggleResultsVisibility = hasResults => {
-    if (enablePagination) {
-      elements.pagination.style.display = hasResults ? '' : 'none'
-    } else {
-      elements.pagination.style.display = 'none'
-    }
-  }
-
-  // Render search results for current page
-  const renderResults = (searchText, resultItems) => {
-    const container = document.getElementById('local-search-results')
-
-    // Determine items to display based on pagination mode
-    const itemsToDisplay = enablePagination
-      ? currentResultItems.slice(currentPage * hitsPerPage, (currentPage + 1) * hitsPerPage)
-      : resultItems
-
-    // Handle empty page in pagination mode
-    if (enablePagination && itemsToDisplay.length === 0 && currentResultItems.length > 0) {
-      currentPage = 0
-      renderResults(searchText, resultItems)
-      return
-    }
-
-    // Add numbering to items
-    const numberedItems = itemsToDisplay.map((result, index) => {
-      const itemNumber = enablePagination
-        ? currentPage * hitsPerPage + index + 1
-        : index + 1
-      return result.item.replace(
-        '<li class="local-search-hit-item">',
-        `<li class="local-search-hit-item" value="${itemNumber}">`
-      )
-    })
-
-    container.innerHTML = `<ol class="search-result-list">${numberedItems.join('')}</ol>`
-
-    // Update stats
-    const displayCount = enablePagination ? currentResultItems.length : resultItems.length
-    const stats = languages.hits_stats.replace(/\$\{hits}/, displayCount)
-    statsItem.innerHTML = `<hr><div class="search-result-stats">${stats}</div>`
-
-    // Handle pagination
-    if (enablePagination) {
-      const nbPages = Math.ceil(currentResultItems.length / hitsPerPage)
-      renderPagination(currentPage, nbPages, searchText)
-    }
-
-    const hasResults = resultItems.length > 0
-    toggleResultsVisibility(hasResults)
-
-    window.pjax && window.pjax.refresh(container)
-  }
-
-  // Render pagination
-  const renderPagination = (page, nbPages, query) => {
-    if (nbPages <= 1) {
-      elements.pagination.style.display = 'none'
-      elements.paginationList.innerHTML = ''
-      return
-    }
-
-    elements.pagination.style.display = 'block'
-
-    const isFirstPage = page === 0
-    const isLastPage = page === nbPages - 1
-
-    // Responsive page display
-    const isMobile = window.innerWidth < 768
-    const maxVisiblePages = isMobile ? 3 : 5
-    let startPage = Math.max(0, page - Math.floor(maxVisiblePages / 2))
-    const endPage = Math.min(nbPages - 1, startPage + maxVisiblePages - 1)
-
-    // Adjust starting page to maintain max visible pages
-    if (endPage - startPage + 1 < maxVisiblePages) {
-      startPage = Math.max(0, endPage - maxVisiblePages + 1)
-    }
-
-    let pagesHTML = ''
-
-    // Only add ellipsis and first page when there are many pages
-    if (nbPages > maxVisiblePages && startPage > 0) {
-      pagesHTML += `
-        <li class="ais-Pagination-item ais-Pagination-item--page">
-          <a class="ais-Pagination-link" aria-label="Page 1" href="#" data-page="0">1</a>
-        </li>`
-      if (startPage > 1) {
-        pagesHTML += `
-          <li class="ais-Pagination-item ais-Pagination-item--ellipsis">
-            <span class="ais-Pagination-link">...</span>
-          </li>`
-      }
-    }
-
-    // Add middle page numbers
-    for (let i = startPage; i <= endPage; i++) {
-      const isSelected = i === page
-      if (isSelected) {
-        pagesHTML += `
-          <li class="ais-Pagination-item ais-Pagination-item--page ais-Pagination-item--selected">
-            <span class="ais-Pagination-link" aria-label="Page ${i + 1}">${i + 1}</span>
-          </li>`
-      } else {
-        pagesHTML += `
-          <li class="ais-Pagination-item ais-Pagination-item--page">
-            <a class="ais-Pagination-link" aria-label="Page ${i + 1}" href="#" data-page="${i}">${i + 1}</a>
-          </li>`
-      }
-    }
-
-    // Only add ellipsis and last page when there are many pages
-    if (nbPages > maxVisiblePages && endPage < nbPages - 1) {
-      if (endPage < nbPages - 2) {
-        pagesHTML += `
-          <li class="ais-Pagination-item ais-Pagination-item--ellipsis">
-            <span class="ais-Pagination-link">...</span>
-          </li>`
-      }
-      pagesHTML += `
-        <li class="ais-Pagination-item ais-Pagination-item--page">
-          <a class="ais-Pagination-link" aria-label="Page ${nbPages}" href="#" data-page="${nbPages - 1}">${nbPages}</a>
-        </li>`
-    }
-
-    if (nbPages > 1) {
-      elements.paginationList.innerHTML = `
-            <li class="ais-Pagination-item ais-Pagination-item--previousPage ${isFirstPage ? 'ais-Pagination-item--disabled' : ''}">
-              ${isFirstPage
-                ? '<span class="ais-Pagination-link ais-Pagination-link--disabled" aria-label="Previous Page"><i class="fas fa-angle-left"></i></span>'
-                : `<a class="ais-Pagination-link" aria-label="Previous Page" href="#" data-page="${page - 1}"><i class="fas fa-angle-left"></i></a>`
-              }
-            </li>
-            ${pagesHTML}
-            <li class="ais-Pagination-item ais-Pagination-item--nextPage ${isLastPage ? 'ais-Pagination-item--disabled' : ''}">
-              ${isLastPage
-                ? '<span class="ais-Pagination-link ais-Pagination-link--disabled" aria-label="Next Page"><i class="fas fa-angle-right"></i></span>'
-                : `<a class="ais-Pagination-link" aria-label="Next Page" href="#" data-page="${page + 1}"><i class="fas fa-angle-right"></i></a>`
-              }
-            </li>`
-    } else {
-      elements.pagination.style.display = 'none'
-    }
-  }
-
-  // Clear search results and stats
-  const clearSearchResults = () => {
-    const container = document.getElementById('local-search-results')
-    container.textContent = ''
-    statsItem.textContent = ''
-    toggleResultsVisibility(false)
-    if (enablePagination) {
-      currentResultItems = []
-      currentPage = 0
-    }
-  }
-
-  // Show no results message
-  const showNoResults = searchText => {
-    const container = document.getElementById('local-search-results')
-    container.textContent = ''
-    const statsDiv = document.createElement('div')
-    statsDiv.className = 'search-result-stats'
-    statsDiv.textContent = languages.hits_empty.replace(/\$\{query}/, searchText)
-    statsItem.innerHTML = statsDiv.outerHTML
-    toggleResultsVisibility(false)
-    if (enablePagination) {
-      currentResultItems = []
-      currentPage = 0
-    }
-  }
-
-  const inputEventFunction = () => {
-    if (!localSearch.isfetched) return
-    let searchText = input.value.trim().toLowerCase()
-    isXml && (searchText = searchText.replace(/</g, '&lt;').replace(/>/g, '&gt;'))
-
-    if (searchText !== '') $loadingStatus.hidden = false
-
-    const keywords = searchText.split(/[-\s]+/)
-    let resultItems = []
-
-    if (searchText.length > 0) {
-      resultItems = localSearch.getResultItems(keywords)
-    }
-
-    if (keywords.length === 1 && keywords[0] === '') {
-      clearSearchResults()
-    } else if (resultItems.length === 0) {
-      showNoResults(searchText)
-    } else {
-      // Sort results by relevance
-      resultItems.sort((left, right) => {
-        if (left.includedCount !== right.includedCount) {
-          return right.includedCount - left.includedCount
-        } else if (left.hitCount !== right.hitCount) {
-          return right.hitCount - left.hitCount
-        }
-        return right.id - left.id
-      })
-
-      if (enablePagination) {
-        currentResultItems = resultItems
-        currentPage = 0
-      }
-      renderResults(searchText, resultItems)
-    }
-
-    $loadingStatus.hidden = true
-  }
-
-  let loadFlag = false
-  const $searchMask = document.getElementById('search-mask')
-  const $searchDialog = document.querySelector('#local-search .search-dialog')
-
-  // fix safari
-  const fixSafariHeight = () => {
-    if (window.innerWidth < 768) {
-      $searchDialog.style.setProperty('--search-height', window.innerHeight + 'px')
-    }
-  }
-
-  const openSearch = () => {
-    btf.overflowPaddingR.add()
-    btf.animateIn($searchMask, 'to_show 0.5s')
-    btf.animateIn($searchDialog, 'titleScale 0.5s')
-    setTimeout(() => { input.focus() }, 300)
-    if (!loadFlag) {
-      !localSearch.isfetched && localSearch.fetchData()
-      input.addEventListener('input', inputEventFunction)
-      loadFlag = true
-    }
-    // shortcut: ESC
-    document.addEventListener('keydown', function f (event) {
-      if (event.code === 'Escape') {
-        closeSearch()
-        document.removeEventListener('keydown', f)
-      }
-    })
-
-    fixSafariHeight()
-    window.addEventListener('resize', fixSafariHeight)
-  }
-
-  const closeSearch = () => {
-    btf.overflowPaddingR.remove()
-    btf.animateOut($searchDialog, 'search_close .5s')
-    btf.animateOut($searchMask, 'to_hide 0.5s')
-    window.removeEventListener('resize', fixSafariHeight)
-  }
-
-  const searchClickFn = () => {
-    btf.addEventListenerPjax(document.querySelector('#search-button > .search'), 'click', openSearch)
-  }
-
-  const searchFnOnce = () => {
-    document.querySelector('#local-search .search-close-button').addEventListener('click', closeSearch)
-    $searchMask.addEventListener('click', closeSearch)
-    if (GLOBAL_CONFIG.localSearch.preload) {
-      localSearch.fetchData()
-    }
-    localSearch.highlightSearchWords(document.getElementById('article-container'))
-
-    // Pagination event delegation - only add if pagination is enabled
-    if (enablePagination) {
-      elements.pagination.addEventListener('click', e => {
-        e.preventDefault()
-        const link = e.target.closest('a[data-page]')
-        if (link) {
-          const page = parseInt(link.dataset.page, 10)
-          if (!isNaN(page) && currentResultItems.length > 0) {
-            currentPage = page
-            renderResults(input.value.trim().toLowerCase(), currentResultItems)
-          }
-        }
-      })
-    }
-
-    // Initial state
-    toggleResultsVisibility(false)
-  }
-
-  window.addEventListener('search:loaded', () => {
-    const $loadDataItem = document.getElementById('loading-database')
-    $loadDataItem.nextElementSibling.style.visibility = 'visible'
-    $loadDataItem.remove()
-  })
-
-  searchClickFn()
-  searchFnOnce()
-
-  // pjax
-  window.addEventListener('pjax:complete', () => {
-    !btf.isHidden($searchMask) && closeSearch()
-    localSearch.highlightSearchWords(document.getElementById('article-container'))
-    searchClickFn()
-  })
-})
+/**
+ * Refer to hexo-generator-searchdb
+ * https://github.com/next-theme/hexo-generator-searchdb/blob/main/dist/search.js
+ * Modified by hexo-theme-butterfly
+ */
+
+class LocalSearch {
+  constructor ({
+    path = '',
+    unescape = false,
+    top_n_per_article = 1
+  }) {
+    this.path = path
+    this.unescape = unescape
+    this.top_n_per_article = top_n_per_article
+    this.isfetched = false
+    this.datas = null
+    this._unescapeDiv = unescape ? document.createElement('div') : null
+    this._processedKeywords = null
+  }
+
+  _processKeywords (keywords) {
+    if (this._processedKeywords) return this._processedKeywords
+    this._processedKeywords = keywords.map(word => {
+      if (this.unescape) {
+        this._unescapeDiv.innerText = word
+        return this._unescapeDiv.innerHTML
+      }
+      return word
+    })
+    return this._processedKeywords
+  }
+
+  getIndexByWord (words, text, caseSensitive = false) {
+    const index = []
+    const included = new Set()
+    const processedWords = this._processKeywords(words)
+
+    if (!caseSensitive) {
+      text = text.toLowerCase()
+    }
+    processedWords.forEach((word, i) => {
+      const wordLen = word.length
+      if (wordLen === 0) return
+      let startPosition = 0
+      let position = -1
+      const searchWord = caseSensitive ? word : word.toLowerCase()
+      while ((position = text.indexOf(searchWord, startPosition)) > -1) {
+        index.push({ position, word })
+        included.add(words[i])
+        startPosition = position + wordLen
+      }
+    })
+    // Sort index by position of keyword
+    index.sort((left, right) => {
+      if (left.position !== right.position) {
+        return left.position - right.position
+      }
+      return right.word.length - left.word.length
+    })
+    return [index, included]
+  }
+
+  // Merge hits into slices
+  mergeIntoSlice (start, end, index) {
+    let item = index[0]
+    let { position, word } = item
+    const hits = []
+    const count = new Set()
+    while (position + word.length <= end && index.length !== 0) {
+      count.add(word)
+      hits.push({
+        position,
+        length: word.length
+      })
+      const wordEnd = position + word.length
+
+      // Move to next position of hit
+      index.shift()
+      while (index.length !== 0) {
+        item = index[0]
+        position = item.position
+        word = item.word
+        if (wordEnd > position) {
+          index.shift()
+        } else {
+          break
+        }
+      }
+    }
+    return {
+      hits,
+      start,
+      end,
+      count: count.size
+    }
+  }
+
+  // Highlight title and content
+  highlightKeyword (val, slice) {
+    const parts = []
+    let index = slice.start
+    for (const { position, length } of slice.hits) {
+      parts.push(val.substring(index, position))
+      index = position + length
+      parts.push(`<mark class="search-keyword">${val.substring(position, position + length)}</mark>`)
+    }
+    parts.push(val.substring(index, slice.end))
+    return parts.join('')
+  }
+
+  getResultItems (keywords) {
+    const resultItems = []
+    this._processedKeywords = null
+    // Compute highlight param once instead of per-article
+    const highlightParam = keywords.join(' ')
+    this.datas.forEach(({ title, content, url }) => {
+      // The number of different keywords included in the article.
+      const [indexOfTitle, keysOfTitle] = this.getIndexByWord(keywords, title)
+      const [indexOfContent, keysOfContent] = this.getIndexByWord(keywords, content)
+      const includedCount = new Set([...keysOfTitle, ...keysOfContent]).size
+
+      // Show search results
+      const hitCount = indexOfTitle.length + indexOfContent.length
+      if (hitCount === 0) return
+
+      const slicesOfTitle = []
+      if (indexOfTitle.length !== 0) {
+        slicesOfTitle.push(this.mergeIntoSlice(0, title.length, indexOfTitle))
+      }
+
+      let slicesOfContent = []
+      while (indexOfContent.length !== 0) {
+        const item = indexOfContent[0]
+        const { position } = item
+        // Cut out 120 characters. The maxlength of .search-input is 80.
+        const start = Math.max(0, position - 20)
+        const end = Math.min(content.length, position + 100)
+        slicesOfContent.push(this.mergeIntoSlice(start, end, indexOfContent))
+      }
+
+      // Sort slices in content by included keywords' count and hits' count
+      slicesOfContent.sort((left, right) => {
+        if (left.count !== right.count) {
+          return right.count - left.count
+        } else if (left.hits.length !== right.hits.length) {
+          return right.hits.length - left.hits.length
+        }
+        return left.start - right.start
+      })
+
+      // Select top N slices in content
+      const upperBound = parseInt(this.top_n_per_article, 10)
+      if (upperBound >= 0) {
+        slicesOfContent = slicesOfContent.slice(0, upperBound)
+      }
+
+      let resultItem = ''
+
+      url = new URL(url, location.origin)
+      url.searchParams.append('highlight', highlightParam)
+
+      if (slicesOfTitle.length !== 0) {
+        resultItem += `<li class="local-search-hit-item"><a href="${url.href}"><span class="search-result-title">${this.highlightKeyword(title, slicesOfTitle[0])}</span>`
+      } else {
+        resultItem += `<li class="local-search-hit-item"><a href="${url.href}"><span class="search-result-title">${title}</span>`
+      }
+
+      slicesOfContent.forEach(slice => {
+        resultItem += `<p class="search-result">${this.highlightKeyword(content, slice)}...</p>`
+      })
+
+      resultItem += '</a></li>'
+      resultItems.push({
+        item: resultItem,
+        id: resultItems.length,
+        hitCount,
+        includedCount
+      })
+    })
+    return resultItems
+  }
+
+  fetchData () {
+    const isXml = !this.path.endsWith('json')
+    fetch(this.path)
+      .then(response => {
+        if (!response.ok) throw new Error(`HTTP ${response.status}: ${response.statusText}`)
+        return response.text()
+      })
+      .then(res => {
+        // Get the contents from search data
+        this.isfetched = true
+        this.datas = isXml
+          ? [...new DOMParser().parseFromString(res, 'text/xml').querySelectorAll('entry')].map(element => ({
+              title: element.querySelector('title').textContent,
+              content: element.querySelector('content').textContent,
+              url: element.querySelector('url').textContent
+            }))
+          : JSON.parse(res)
+        // Only match articles with non-empty titles
+        this.datas = this.datas.filter(data => data.title).map(data => {
+          data.title = data.title.trim()
+          data.content = data.content ? data.content.trim().replace(/<[^>]+>/g, '') : ''
+          data.url = decodeURIComponent(data.url).replace(/\/{2,}/g, '/')
+          return data
+        })
+        // Remove loading animation
+        window.dispatchEvent(new Event('search:loaded'))
+      })
+      .catch(error => {
+        console.error('Local search data fetch failed:', error)
+        this.isfetched = true
+        this.datas = []
+        window.dispatchEvent(new Event('search:loaded'))
+      })
+  }
+
+  // Highlight by wrapping node in mark elements with the given class name
+  highlightText (node, slice, className) {
+    const val = node.nodeValue
+    let index = slice.start
+    const children = []
+    for (const { position, length } of slice.hits) {
+      const text = document.createTextNode(val.substring(index, position))
+      index = position + length
+      const mark = document.createElement('mark')
+      mark.className = className
+      mark.appendChild(document.createTextNode(val.substring(position, position + length)))
+      children.push(text, mark)
+    }
+    node.nodeValue = val.substring(index, slice.end)
+    children.forEach(element => {
+      node.parentNode.insertBefore(element, node)
+    })
+  }
+
+  // Highlight the search words provided in the url in the text
+  highlightSearchWords (body) {
+    const params = new URL(location.href).searchParams.get('highlight')
+    const keywords = params ? params.split(' ') : []
+    if (!keywords.length || !body) return
+    const walk = document.createTreeWalker(body, NodeFilter.SHOW_TEXT, null)
+    const allNodes = []
+    while (walk.nextNode()) {
+      if (!walk.currentNode.parentNode.matches('button, select, textarea, .mermaid')) allNodes.push(walk.currentNode)
+    }
+    allNodes.forEach(node => {
+      const [indexOfNode] = this.getIndexByWord(keywords, node.nodeValue)
+      if (!indexOfNode.length) return
+      const slice = this.mergeIntoSlice(0, node.nodeValue.length, indexOfNode)
+      this.highlightText(node, slice, 'search-keyword')
+    })
+  }
+}
+
+window.addEventListener('load', () => {
+  // Search
+  const { path, top_n_per_article, unescape, languages, pagination } = GLOBAL_CONFIG.localSearch
+  const enablePagination = pagination && pagination.enable
+  const localSearch = new LocalSearch({
+    path,
+    top_n_per_article,
+    unescape
+  })
+
+  const $input = document.querySelector('.local-search-input input')
+  const $statsItem = document.getElementById('local-search-stats')
+  const $loadingStatus = document.getElementById('loading-status')
+  const $searchMask = document.getElementById('search-mask')
+  const $searchDialog = document.querySelector('#local-search .search-dialog')
+  const $results = document.getElementById('local-search-results')
+  const $pagination = document.getElementById('local-search-pagination')
+  const $paginationList = document.querySelector('#local-search-pagination .ais-Pagination-list')
+  const isXml = !path.endsWith('json')
+
+  // Pagination variables (only initialize if pagination is enabled)
+  let currentPage = 0
+  const hitsPerPage = pagination.hitsPerPage || 10
+
+  let currentResultItems = []
+
+  if (!enablePagination) {
+    currentPage = undefined
+    currentResultItems = undefined
+  }
+
+  // Show/hide search results area
+  const toggleResultsVisibility = hasResults => {
+    $pagination.style.display = (hasResults && enablePagination) ? '' : 'none'
+  }
+
+  // Render search results for current page
+  const renderResults = (searchText, resultItems) => {
+    // Determine items to display based on pagination mode
+    const itemsToDisplay = enablePagination
+      ? currentResultItems.slice(currentPage * hitsPerPage, (currentPage + 1) * hitsPerPage)
+      : resultItems
+
+    // Handle empty page in pagination mode
+    if (enablePagination && itemsToDisplay.length === 0 && currentResultItems.length > 0) {
+      currentPage = 0
+      renderResults(searchText, resultItems)
+      return
+    }
+
+    // Add numbering to items
+    const numberedItems = itemsToDisplay.map((result, index) => {
+      const itemNumber = enablePagination
+        ? currentPage * hitsPerPage + index + 1
+        : index + 1
+      return result.item.replace(
+        '<li class="local-search-hit-item">',
+        `<li class="local-search-hit-item" value="${itemNumber}">`
+      )
+    })
+
+    $results.innerHTML = `<ol class="search-result-list">${numberedItems.join('')}</ol>`
+
+    // Update stats
+    const displayCount = enablePagination ? currentResultItems.length : resultItems.length
+    const stats = languages.hits_stats.replace(/\$\{hits}/, displayCount)
+    $statsItem.innerHTML = `<hr><div class="search-result-stats">${stats}</div>`
+
+    // Handle pagination
+    if (enablePagination) {
+      const nbPages = Math.ceil(currentResultItems.length / hitsPerPage)
+      renderPagination(currentPage, nbPages, searchText)
+    }
+
+    const hasResults = resultItems.length > 0
+    toggleResultsVisibility(hasResults)
+
+    window.pjax && window.pjax.refresh($results)
+  }
+
+  // Render pagination
+  const renderPagination = (page, nbPages) => {
+    if (nbPages <= 1) {
+      $pagination.style.display = 'none'
+      $paginationList.innerHTML = ''
+      return
+    }
+
+    const isFirstPage = page === 0
+    const isLastPage = page === nbPages - 1
+
+    // Responsive page display
+    const isMobile = window.innerWidth < 768
+    const maxVisiblePages = isMobile ? 3 : 5
+    let startPage = Math.max(0, page - Math.floor(maxVisiblePages / 2))
+    const endPage = Math.min(nbPages - 1, startPage + maxVisiblePages - 1)
+
+    // Adjust starting page to maintain max visible pages
+    if (endPage - startPage + 1 < maxVisiblePages) {
+      startPage = Math.max(0, endPage - maxVisiblePages + 1)
+    }
+
+    const parts = []
+
+    // Only add ellipsis and first page when there are many pages
+    if (nbPages > maxVisiblePages && startPage > 0) {
+      parts.push('<li class="ais-Pagination-item ais-Pagination-item--page"><a class="ais-Pagination-link" aria-label="Page 1" href="#" data-page="0">1</a></li>')
+      if (startPage > 1) {
+        parts.push('<li class="ais-Pagination-item ais-Pagination-item--ellipsis"><span class="ais-Pagination-link">...</span></li>')
+      }
+    }
+
+    // Add middle page numbers
+    for (let i = startPage; i <= endPage; i++) {
+      if (i === page) {
+        parts.push(`<li class="ais-Pagination-item ais-Pagination-item--page ais-Pagination-item--selected"><span class="ais-Pagination-link" aria-label="Page ${i + 1}">${i + 1}</span></li>`)
+      } else {
+        parts.push(`<li class="ais-Pagination-item ais-Pagination-item--page"><a class="ais-Pagination-link" aria-label="Page ${i + 1}" href="#" data-page="${i}">${i + 1}</a></li>`)
+      }
+    }
+
+    // Only add ellipsis and last page when there are many pages
+    if (nbPages > maxVisiblePages && endPage < nbPages - 1) {
+      if (endPage < nbPages - 2) {
+        parts.push('<li class="ais-Pagination-item ais-Pagination-item--ellipsis"><span class="ais-Pagination-link">...</span></li>')
+      }
+      parts.push(`<li class="ais-Pagination-item ais-Pagination-item--page"><a class="ais-Pagination-link" aria-label="Page ${nbPages}" href="#" data-page="${nbPages - 1}">${nbPages}</a></li>`)
+    }
+
+    // Build prev/next links
+    const prevLink = isFirstPage
+      ? '<span class="ais-Pagination-link ais-Pagination-link--disabled" aria-label="Previous Page"><i class="fas fa-angle-left"></i></span>'
+      : `<a class="ais-Pagination-link" aria-label="Previous Page" href="#" data-page="${page - 1}"><i class="fas fa-angle-left"></i></a>`
+    const nextLink = isLastPage
+      ? '<span class="ais-Pagination-link ais-Pagination-link--disabled" aria-label="Next Page"><i class="fas fa-angle-right"></i></span>'
+      : `<a class="ais-Pagination-link" aria-label="Next Page" href="#" data-page="${page + 1}"><i class="fas fa-angle-right"></i></a>`
+
+    $paginationList.innerHTML = `<li class="ais-Pagination-item ais-Pagination-item--previousPage ${isFirstPage ? 'ais-Pagination-item--disabled' : ''}">${prevLink}</li>${parts.join('')}<li class="ais-Pagination-item ais-Pagination-item--nextPage ${isLastPage ? 'ais-Pagination-item--disabled' : ''}">${nextLink}</li>`
+    $pagination.style.display = ''
+  }
+
+  // Clear search results and stats
+  const clearSearchResults = () => {
+    $results.textContent = ''
+    $statsItem.textContent = ''
+    toggleResultsVisibility(false)
+    if (enablePagination) {
+      currentResultItems = []
+      currentPage = 0
+    }
+  }
+
+  // Show no results message
+  const showNoResults = searchText => {
+    $results.textContent = ''
+    const statsDiv = document.createElement('div')
+    statsDiv.className = 'search-result-stats'
+    statsDiv.textContent = languages.hits_empty.replace(/\$\{query}/, searchText)
+    $statsItem.innerHTML = statsDiv.outerHTML
+    toggleResultsVisibility(false)
+    if (enablePagination) {
+      currentResultItems = []
+      currentPage = 0
+    }
+  }
+
+  const inputEventFunction = () => {
+    if (!localSearch.isfetched) return
+    let searchText = $input.value.trim().toLowerCase()
+    isXml && (searchText = searchText.replace(/</g, '&lt;').replace(/>/g, '&gt;'))
+
+    if (searchText !== '') $loadingStatus.hidden = false
+
+    const keywords = searchText.split(/[-\s]+/)
+    let resultItems = []
+
+    if (searchText.length > 0) {
+      resultItems = localSearch.getResultItems(keywords)
+    }
+
+    if (keywords.length === 1 && keywords[0] === '') {
+      clearSearchResults()
+    } else if (resultItems.length === 0) {
+      showNoResults(searchText)
+    } else {
+      // Sort results by relevance
+      resultItems.sort((left, right) => {
+        if (left.includedCount !== right.includedCount) {
+          return right.includedCount - left.includedCount
+        } else if (left.hitCount !== right.hitCount) {
+          return right.hitCount - left.hitCount
+        }
+        return right.id - left.id
+      })
+
+      if (enablePagination) {
+        currentResultItems = resultItems
+        currentPage = 0
+      }
+      renderResults(searchText, resultItems)
+    }
+
+    $loadingStatus.hidden = true
+  }
+
+  // Debounced input handler
+  let searchTimeout
+  const debouncedInputEvent = () => {
+    clearTimeout(searchTimeout)
+    // Empty input: clear results immediately without debounce delay
+    if (!$input.value.trim()) {
+      inputEventFunction()
+      return
+    }
+    searchTimeout = setTimeout(inputEventFunction, 200)
+  }
+
+  let loadFlag = false
+
+  const fixSafariHeight = () => {
+    if (window.innerWidth < 768) {
+      $searchDialog.style.setProperty('--search-height', window.innerHeight + 'px')
+    }
+  }
+
+  // Debounced resize to avoid layout thrashing
+  let resizeTimer
+  const onResize = () => {
+    clearTimeout(resizeTimer)
+    resizeTimer = setTimeout(fixSafariHeight, 150)
+  }
+
+  const handleEscape = event => {
+    if (event.code === 'Escape') {
+      closeSearch()
+      document.removeEventListener('keydown', handleEscape)
+    }
+  }
+
+  const openSearch = () => {
+    btf.overflowPaddingR.add()
+    btf.animateIn($searchMask, 'to_show 0.5s')
+    btf.animateIn($searchDialog, 'titleScale 0.5s')
+    setTimeout(() => { $input.focus() }, 300)
+    if (!loadFlag) {
+      !localSearch.isfetched && localSearch.fetchData()
+      $input.addEventListener('input', debouncedInputEvent)
+      loadFlag = true
+    }
+    // shortcut: ESC
+    document.addEventListener('keydown', handleEscape)
+
+    fixSafariHeight()
+    window.addEventListener('resize', onResize)
+  }
+
+  const closeSearch = () => {
+    btf.overflowPaddingR.remove()
+    btf.animateOut($searchDialog, 'search_close .5s')
+    btf.animateOut($searchMask, 'to_hide 0.5s')
+    document.removeEventListener('keydown', handleEscape)
+    window.removeEventListener('resize', onResize)
+  }
+
+  const searchClickFn = () => {
+    btf.addEventListenerPjax(document.querySelector('#search-button > .search'), 'click', openSearch)
+  }
+
+  const searchFnOnce = () => {
+    document.querySelector('#local-search .search-close-button').addEventListener('click', closeSearch)
+    $searchMask.addEventListener('click', closeSearch)
+    if (GLOBAL_CONFIG.localSearch.preload) {
+      localSearch.fetchData()
+    }
+    localSearch.highlightSearchWords(document.getElementById('article-container'))
+
+    // Pagination event delegation - only add if pagination is enabled
+    if (enablePagination) {
+      $pagination.addEventListener('click', e => {
+        e.preventDefault()
+        const link = e.target.closest('a[data-page]')
+        if (link) {
+          const page = parseInt(link.dataset.page, 10)
+          if (!isNaN(page) && currentResultItems.length > 0) {
+            currentPage = page
+            renderResults($input.value.trim().toLowerCase(), currentResultItems)
+          }
+        }
+      })
+    }
+
+    // Initial state
+    toggleResultsVisibility(false)
+  }
+
+  window.addEventListener('search:loaded', () => {
+    const $loadDataItem = document.getElementById('loading-database')
+    $loadDataItem.nextElementSibling.style.visibility = 'visible'
+    $loadDataItem.remove()
+  })
+
+  searchClickFn()
+  searchFnOnce()
+
+  // pjax
+  window.addEventListener('pjax:complete', () => {
+    !btf.isHidden($searchMask) && closeSearch()
+    localSearch.highlightSearchWords(document.getElementById('article-container'))
+    searchClickFn()
+  })
+})
diff --git a/source/js/tw_cn.js b/source/js/tw_cn.js
index 3a7cb32..d43ae2a 100644
--- a/source/js/tw_cn.js
+++ b/source/js/tw_cn.js
@@ -5,7 +5,7 @@ document.addEventListener('DOMContentLoaded', () => {
 
   let currentEncoding = defaultEncoding
   let targetEncoding = Number(btf.saveToLocal.get(targetEncodingCookie)) || defaultEncoding
-  const translateButtonObject = document.getElementById('translateLink')
+  let translateButtonObject = document.getElementById('translateLink')
   const isSnackbar = snackbarData !== undefined
 
   const setLang = () => {
@@ -68,31 +68,44 @@ document.addEventListener('DOMContentLoaded', () => {
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   const FTPYStr = () => '萬與醜專業叢東絲丟兩嚴喪個爿豐臨為麗舉麼義烏樂喬習鄉書買亂爭於虧雲亙亞產畝親褻嚲億僅從侖倉儀們價眾優夥會傴傘偉傳傷倀倫傖偽佇體餘傭僉俠侶僥偵側僑儈儕儂俁儔儼倆儷儉債傾傯僂僨償儻儐儲儺兒兌兗黨蘭關興茲養獸囅內岡冊寫軍農塚馮衝決況凍淨淒涼淩減湊凜幾鳳鳧憑凱擊氹鑿芻劃劉則剛創刪別剗剄劊劌剴劑剮劍剝劇勸辦務勱動勵勁勞勢勳猛勩勻匭匱區醫華協單賣盧鹵臥衛卻巹廠廳曆厲壓厭厙廁廂厴廈廚廄廝縣參靉靆雙發變敘疊葉號歎嘰籲後嚇呂嗎唚噸聽啟吳嘸囈嘔嚦唄員咼嗆嗚詠哢嚨嚀噝吒噅鹹呱響啞噠嘵嗶噦嘩噲嚌噥喲嘜嗊嘮啢嗩唕喚呼嘖嗇囀齧囉嘽嘯噴嘍嚳囁嗬噯噓嚶囑嚕劈囂謔團園囪圍圇國圖圓聖壙場阪壞塊堅壇壢壩塢墳墜壟壟壚壘墾坰堊墊埡墶壋塏堖塒塤堝墊垵塹墮壪牆壯聲殼壺壼處備複夠頭誇夾奪奩奐奮獎奧妝婦媽嫵嫗媯姍薑婁婭嬈嬌孌娛媧嫻嫿嬰嬋嬸媼嬡嬪嬙嬤孫學孿寧寶實寵審憲宮寬賓寢對尋導壽將爾塵堯尷屍盡層屭屜屆屬屢屨嶼歲豈嶇崗峴嶴嵐島嶺嶽崠巋嶨嶧峽嶢嶠崢巒嶗崍嶮嶄嶸嶔崳嶁脊巔鞏巰幣帥師幃帳簾幟帶幀幫幬幘幗冪襆幹並廣莊慶廬廡庫應廟龐廢廎廩開異棄張彌弳彎彈強歸當錄彠彥徹徑徠禦憶懺憂愾懷態慫憮慪悵愴憐總懟懌戀懇惡慟懨愷惻惱惲悅愨懸慳憫驚懼慘懲憊愜慚憚慣湣慍憤憒願懾憖怵懣懶懍戇戔戲戧戰戩戶紮撲扡執擴捫掃揚擾撫拋摶摳掄搶護報擔擬攏揀擁攔擰撥擇掛摯攣掗撾撻挾撓擋撟掙擠揮撏撈損撿換搗據撚擄摑擲撣摻摜摣攬撳攙擱摟攪攜攝攄擺搖擯攤攖撐攆擷擼攛擻攢敵斂數齋斕鬥斬斷無舊時曠暘曇晝曨顯晉曬曉曄暈暉暫曖劄術樸機殺雜權條來楊榪傑極構樅樞棗櫪梘棖槍楓梟櫃檸檉梔柵標棧櫛櫳棟櫨櫟欄樹棲樣欒棬椏橈楨檔榿橋樺檜槳樁夢檮棶檢欞槨櫝槧欏橢樓欖櫬櫚櫸檟檻檳櫧橫檣櫻櫫櫥櫓櫞簷檁歡歟歐殲歿殤殘殞殮殫殯毆毀轂畢斃氈毿氌氣氫氬氳彙漢汙湯洶遝溝沒灃漚瀝淪滄渢溈滬濔濘淚澩瀧瀘濼瀉潑澤涇潔灑窪浹淺漿澆湞溮濁測澮濟瀏滻渾滸濃潯濜塗湧濤澇淶漣潿渦溳渙滌潤澗漲澀澱淵淥漬瀆漸澠漁瀋滲溫遊灣濕潰濺漵漊潷滾滯灩灄滿瀅濾濫灤濱灘澦濫瀠瀟瀲濰潛瀦瀾瀨瀕灝滅燈靈災燦煬爐燉煒熗點煉熾爍爛烴燭煙煩燒燁燴燙燼熱煥燜燾煆糊溜愛爺牘犛牽犧犢強狀獷獁猶狽麅獮獰獨狹獅獪猙獄猻獫獵獼玀豬貓蝟獻獺璣璵瑒瑪瑋環現瑲璽瑉玨琺瓏璫琿璡璉瑣瓊瑤璦璿瓔瓚甕甌電畫暢佘疇癤療瘧癘瘍鬁瘡瘋皰屙癰痙癢瘂癆瘓癇癡癉瘮瘞瘺癟癱癮癭癩癬癲臒皚皺皸盞鹽監蓋盜盤瞘眥矓著睜睞瞼瞞矚矯磯礬礦碭碼磚硨硯碸礪礱礫礎硜矽碩硤磽磑礄確鹼礙磧磣堿镟滾禮禕禰禎禱禍稟祿禪離禿稈種積稱穢穠穭稅穌穩穡窮竊竅窯竄窩窺竇窶豎競篤筍筆筧箋籠籩築篳篩簹箏籌簽簡籙簀篋籜籮簞簫簣簍籃籬籪籟糴類秈糶糲粵糞糧糝餱緊縶糸糾紆紅紂纖紇約級紈纊紀紉緯紜紘純紕紗綱納紝縱綸紛紙紋紡紵紖紐紓線紺絏紱練組紳細織終縐絆紼絀紹繹經紿綁絨結絝繞絰絎繪給絢絳絡絕絞統綆綃絹繡綌綏絛繼綈績緒綾緓續綺緋綽緔緄繩維綿綬繃綢綯綹綣綜綻綰綠綴緇緙緗緘緬纜緹緲緝縕繢緦綞緞緶線緱縋緩締縷編緡緣縉縛縟縝縫縗縞纏縭縊縑繽縹縵縲纓縮繆繅纈繚繕繒韁繾繰繯繳纘罌網羅罰罷羆羈羥羨翹翽翬耮耬聳恥聶聾職聹聯聵聰肅腸膚膁腎腫脹脅膽勝朧腖臚脛膠脈膾髒臍腦膿臠腳脫腡臉臘醃膕齶膩靦膃騰臏臢輿艤艦艙艫艱豔艸藝節羋薌蕪蘆蓯葦藶莧萇蒼苧蘇檾蘋莖蘢蔦塋煢繭荊薦薘莢蕘蓽蕎薈薺蕩榮葷滎犖熒蕁藎蓀蔭蕒葒葤藥蒞蓧萊蓮蒔萵薟獲蕕瑩鶯蓴蘀蘿螢營縈蕭薩蔥蕆蕢蔣蔞藍薊蘺蕷鎣驀薔蘞藺藹蘄蘊藪槁蘚虜慮虛蟲虯蟣雖蝦蠆蝕蟻螞蠶蠔蜆蠱蠣蟶蠻蟄蛺蟯螄蠐蛻蝸蠟蠅蟈蟬蠍螻蠑螿蟎蠨釁銜補襯袞襖嫋褘襪襲襏裝襠褌褳襝褲襇褸襤繈襴見觀覎規覓視覘覽覺覬覡覿覥覦覯覲覷觴觸觶讋譽謄訁計訂訃認譏訐訌討讓訕訖訓議訊記訒講諱謳詎訝訥許訛論訩訟諷設訪訣證詁訶評詛識詗詐訴診詆謅詞詘詔詖譯詒誆誄試詿詩詰詼誠誅詵話誕詬詮詭詢詣諍該詳詫諢詡譸誡誣語誚誤誥誘誨誑說誦誒請諸諏諾讀諑誹課諉諛誰諗調諂諒諄誶談誼謀諶諜謊諫諧謔謁謂諤諭諼讒諮諳諺諦謎諞諝謨讜謖謝謠謗諡謙謐謹謾謫譾謬譚譖譙讕譜譎讞譴譫讖穀豶貝貞負貟貢財責賢敗賬貨質販貪貧貶購貯貫貳賤賁貰貼貴貺貸貿費賀貽賊贄賈賄貲賃賂贓資賅贐賕賑賚賒賦賭齎贖賞賜贔賙賡賠賧賴賵贅賻賺賽賾贗讚贇贈贍贏贛赬趙趕趨趲躉躍蹌蹠躒踐躂蹺蹕躚躋踴躊蹤躓躑躡蹣躕躥躪躦軀車軋軌軒軑軔轉軛輪軟轟軲軻轤軸軹軼軤軫轢軺輕軾載輊轎輈輇輅較輒輔輛輦輩輝輥輞輬輟輜輳輻輯轀輸轡轅轄輾轆轍轔辭辯辮邊遼達遷過邁運還這進遠違連遲邇逕跡適選遜遞邐邏遺遙鄧鄺鄔郵鄒鄴鄰鬱郤郟鄶鄭鄆酈鄖鄲醞醱醬釅釃釀釋裏钜鑒鑾鏨釓釔針釘釗釙釕釷釺釧釤鈒釩釣鍆釹鍚釵鈃鈣鈈鈦鈍鈔鍾鈉鋇鋼鈑鈐鑰欽鈞鎢鉤鈧鈁鈥鈄鈕鈀鈺錢鉦鉗鈷缽鈳鉕鈽鈸鉞鑽鉬鉭鉀鈿鈾鐵鉑鈴鑠鉛鉚鈰鉉鉈鉍鈹鐸鉶銬銠鉺銪鋏鋣鐃銍鐺銅鋁銱銦鎧鍘銖銑鋌銩銛鏵銓鉿銚鉻銘錚銫鉸銥鏟銃鐋銨銀銣鑄鐒鋪鋙錸鋱鏈鏗銷鎖鋰鋥鋤鍋鋯鋨鏽銼鋝鋒鋅鋶鐦鐧銳銻鋃鋟鋦錒錆鍺錯錨錡錁錕錩錫錮鑼錘錐錦鍁錈錇錟錠鍵鋸錳錙鍥鍈鍇鏘鍶鍔鍤鍬鍾鍛鎪鍠鍰鎄鍍鎂鏤鎡鏌鎮鎛鎘鑷鐫鎳鎿鎦鎬鎊鎰鎔鏢鏜鏍鏰鏞鏡鏑鏃鏇鏐鐔钁鐐鏷鑥鐓鑭鐠鑹鏹鐙鑊鐳鐶鐲鐮鐿鑔鑣鑞鑲長門閂閃閆閈閉問闖閏闈閑閎間閔閌悶閘鬧閨聞闥閩閭闓閥閣閡閫鬮閱閬闍閾閹閶鬩閿閽閻閼闡闌闃闠闊闋闔闐闒闕闞闤隊陽陰陣階際陸隴陳陘陝隉隕險隨隱隸雋難雛讎靂霧霽黴靄靚靜靨韃鞽韉韝韋韌韍韓韙韞韜韻頁頂頃頇項順須頊頑顧頓頎頒頌頏預顱領頗頸頡頰頲頜潁熲頦頤頻頮頹頷頴穎顆題顒顎顓顏額顳顢顛顙顥纇顫顬顰顴風颺颭颮颯颶颸颼颻飀飄飆飆飛饗饜飣饑飥餳飩餼飪飫飭飯飲餞飾飽飼飿飴餌饒餉餄餎餃餏餅餑餖餓餘餒餕餜餛餡館餷饋餶餿饞饁饃餺餾饈饉饅饊饌饢馬馭馱馴馳驅馹駁驢駔駛駟駙駒騶駐駝駑駕驛駘驍罵駰驕驊駱駭駢驫驪騁驗騂駸駿騏騎騍騅騌驌驂騙騭騤騷騖驁騮騫騸驃騾驄驏驟驥驦驤髏髖髕鬢魘魎魚魛魢魷魨魯魴魺鮁鮃鯰鱸鮋鮓鮒鮊鮑鱟鮍鮐鮭鮚鮳鮪鮞鮦鰂鮜鱠鱭鮫鮮鮺鯗鱘鯁鱺鰱鰹鯉鰣鰷鯀鯊鯇鮶鯽鯒鯖鯪鯕鯫鯡鯤鯧鯝鯢鯰鯛鯨鯵鯴鯔鱝鰈鰏鱨鯷鰮鰃鰓鱷鰍鰒鰉鰁鱂鯿鰠鼇鰭鰨鰥鰩鰟鰜鰳鰾鱈鱉鰻鰵鱅鰼鱖鱔鱗鱒鱯鱤鱧鱣鳥鳩雞鳶鳴鳲鷗鴉鶬鴇鴆鴣鶇鸕鴨鴞鴦鴒鴟鴝鴛鴬鴕鷥鷙鴯鴰鵂鴴鵃鴿鸞鴻鵐鵓鸝鵑鵠鵝鵒鷳鵜鵡鵲鶓鵪鶤鵯鵬鵮鶉鶊鵷鷫鶘鶡鶚鶻鶿鶥鶩鷊鷂鶲鶹鶺鷁鶼鶴鷖鸚鷓鷚鷯鷦鷲鷸鷺鸇鷹鸌鸏鸛鸘鹺麥麩黃黌黶黷黲黽龍歷誌製壹臺臯準復勐鐘註範籤'
 
+  let s2tMap = null
+  let t2sMap = null
+  const getMaps = () => {
+    if (!s2tMap) {
+      const ss = JTPYStr()
+      const tt = FTPYStr()
+      s2tMap = new Map()
+      t2sMap = new Map()
+      for (let i = 0; i < ss.length; i++) {
+        s2tMap.set(ss[i], tt[i])
+        t2sMap.set(tt[i], ss[i])
+      }
+    }
+    return { s2tMap, t2sMap }
+  }
+
   const Traditionalized = cc => {
+    const { s2tMap } = getMaps()
     let str = ''
-    const ss = JTPYStr()
-    const tt = FTPYStr()
     for (let i = 0; i < cc.length; i++) {
-      if (cc.charCodeAt(i) > 10000 && ss.indexOf(cc.charAt(i)) !== -1) {
-        str += tt.charAt(ss.indexOf(cc.charAt(i)))
-      } else str += cc.charAt(i)
+      const ch = cc.charAt(i)
+      str += cc.charCodeAt(i) > 10000 && s2tMap.has(ch) ? s2tMap.get(ch) : ch
     }
     return str
   }
 
   const Simplized = cc => {
+    const { t2sMap } = getMaps()
     let str = ''
-    const ss = JTPYStr()
-    const tt = FTPYStr()
     for (let i = 0; i < cc.length; i++) {
-      if (cc.charCodeAt(i) > 10000 && tt.indexOf(cc.charAt(i)) !== -1) {
-        str += ss.charAt(tt.indexOf(cc.charAt(i)))
-      } else str += cc.charAt(i)
+      const ch = cc.charAt(i)
+      str += cc.charCodeAt(i) > 10000 && t2sMap.has(ch) ? t2sMap.get(ch) : ch
     }
     return str
   }
 
   const translateInitialization = () => {
+    translateButtonObject = document.getElementById('translateLink')
     if (translateButtonObject) {
       if (currentEncoding !== targetEncoding) {
         translateButtonObject.textContent =
diff --git a/source/js/utils.js b/source/js/utils.js
index 4e44996..e60c86e 100644
--- a/source/js/utils.js
+++ b/source/js/utils.js
@@ -45,29 +45,55 @@
       }
     },
 
-    overflowPaddingR: {
-      add: () => {
-        const paddingRight = window.innerWidth - document.body.clientWidth
-
-        if (paddingRight > 0) {
-          document.body.style.paddingRight = `${paddingRight}px`
-          document.body.style.overflow = 'hidden'
-          const menuElement = document.querySelector('#page-header.nav-fixed #menus')
-          if (menuElement) {
-            menuElement.style.paddingRight = `${paddingRight}px`
-          }
-        }
-      },
-      remove: () => {
-        document.body.style.paddingRight = ''
-        document.body.style.overflow = ''
-        const menuElement = document.querySelector('#page-header.nav-fixed #menus')
-        if (menuElement) {
-          menuElement.style.paddingRight = ''
-        }
+    rafThrottle: fn => {
+      let rafId = null
+      return (...args) => {
+        if (rafId) return
+        rafId = requestAnimationFrame(() => {
+          fn(...args)
+          rafId = null
+        })
       }
     },
 
+    overflowPaddingR: (() => {
+      let headerElement = null
+      let menuElement = null
+
+      const getElements = () => {
+        if (!headerElement) {
+          headerElement = document.getElementById('page-header')
+        }
+        if (!menuElement) {
+          menuElement = document.getElementById('menus')
+        }
+        return { headerElement, menuElement }
+      }
+
+      return {
+        add: () => {
+          const paddingRight = window.innerWidth - document.body.clientWidth
+
+          if (paddingRight > 0) {
+            document.body.style.paddingRight = `${paddingRight}px`
+            document.body.style.overflow = 'hidden'
+            const { headerElement: header, menuElement: menu } = getElements()
+            if (header && menu && header.classList.contains('nav-fixed')) {
+              menu.style.paddingRight = `${paddingRight}px`
+            }
+          }
+        },
+        remove: () => {
+          document.body.style.paddingRight = ''
+          document.body.style.overflow = ''
+          const { headerElement: header, menuElement: menu } = getElements()
+          if (header && menu && header.classList.contains('nav-fixed')) {
+            menu.style.paddingRight = ''
+          }
+        }
+      }
+    })(),
+
     snackbarShow: (text, showAction = false, duration = 2000) => {
       const { position, bgLight, bgDark } = GLOBAL_CONFIG.Snackbar
       const bg = document.documentElement.getAttribute('data-theme') === 'light' ? bgLight : bgDark
@@ -133,7 +159,8 @@
       const animate = currentTime => {
         const timeElapsed = currentTime - startTime
         const progress = Math.min(timeElapsed / time, 1)
-        window.scrollTo(0, currentPos + (pos - currentPos) * progress)
+        const easedProgress = 1 - Math.pow(1 - progress, 4) // easeOutQuart
+        window.scrollTo(0, currentPos + (pos - currentPos) * easedProgress)
         if (progress < 1) {
           requestAnimationFrame(animate)
         }