diff --git a/apps/web/src/components/ui/map/MapBackButton.tsx b/apps/web/src/components/ui/map/MapBackButton.tsx
index ead01ce4..e5da01cc 100644
--- a/apps/web/src/components/ui/map/MapBackButton.tsx
+++ b/apps/web/src/components/ui/map/MapBackButton.tsx
@@ -14,8 +14,13 @@ export const MapBackButton = () => {
   }
 
   return (
-    <GlassButton className="absolute top-4 left-4 z-50" onClick={handleBack} title={t('explory.back.to.gallery')}>
-      <i className="i-mingcute-arrow-left-line text-base text-white" />
+    <GlassButton
+      className="absolute top-4 left-4 z-50"
+      onClick={handleBack}
+      title={t('explory.back.to.gallery')}
+      aria-label={t('explory.back.to.gallery')}
+    >
+      <i className="i-mingcute-arrow-left-line text-base text-white" aria-hidden="true" />
     </GlassButton>
   )
 }
diff --git a/apps/web/src/entries/share/components/PhotoItem.tsx b/apps/web/src/entries/share/components/PhotoItem.tsx
index d47655c6..3c3d7b0f 100644
--- a/apps/web/src/entries/share/components/PhotoItem.tsx
+++ b/apps/web/src/entries/share/components/PhotoItem.tsx
@@ -1,5 +1,6 @@
 import type { PhotoManifestItem } from '@afilmory/builder'
 import { clsxm as cn } from '@afilmory/utils'
+import { useMemo } from 'react'
 import { thumbHashToDataURL } from 'thumbhash'
 
 import {
@@ -8,6 +9,7 @@ import {
   StreamlineImageAccessoriesLensesPhotosCameraShutterPicturePhotographyPicturesPhotoLens,
   TablerAperture,
 } from '~/icons'
+import { formatExifData } from '~/modules/metadata'
 
 const decompressUint8Array = (compressed: string) => {
   return Uint8Array.from(compressed.match(/.{1,2}/g)!.map((byte) => Number.parseInt(byte, 16)))
@@ -24,51 +26,14 @@ export function PhotoItem({ photo, className }: PhotoItemProps) {
 
   const ratio = photo.aspectRatio
 
-  // 格式化 EXIF 数据
-  const formatExifData = () => {
-    const { exif } = photo
-
-    // 安全处理：如果 exif 不存在或为空，则返回空对象
-    if (!exif) {
-      return {
-        focalLength35mm: null,
-        iso: null,
-        shutterSpeed: null,
-        aperture: null,
-      }
-    }
-
-    // 等效焦距 (35mm)
-    const focalLength35mm = exif.FocalLengthIn35mmFormat
-      ? Number.parseInt(exif.FocalLengthIn35mmFormat)
-      : exif.FocalLength
-        ? Number.parseInt(exif.FocalLength)
-        : null
-
-    // ISO
-    const iso = exif.ISO
-
-    // 快门速度
-    const exposureTime = exif.ExposureTime
-    const shutterSpeed = exposureTime ? `${exposureTime}s` : null
-
-    // 光圈
-    const aperture = exif.FNumber ? `f/${exif.FNumber}` : null
-
-    return {
-      focalLength35mm,
-      iso,
-      shutterSpeed,
-      aperture,
-    }
-  }
-
-  const exifData = formatExifData()
+  // 使用共享的 EXIF 格式化函数
+  const exifData = useMemo(() => formatExifData(photo.exif ?? null), [photo.exif])
 
   return (
     <button
       type="button"
       role="link"
+      aria-label={`View photo: ${photo.title}`}
       onClick={() => {
         const siteUrl = window.__SITE_CONFIG__?.url || ''
         if (siteUrl) {
@@ -146,35 +111,37 @@ export function PhotoItem({ photo, className }: PhotoItemProps) {
             )}
           </div>
 
-          <div className="grid grid-cols-2 gap-2 pb-4 text-xs @[600px]:grid-cols-4">
-            {exifData.focalLength35mm && (
-              <div className="flex items-center gap-1.5 rounded-md bg-white/10 px-2 py-1 opacity-0 backdrop-blur-md transition-opacity duration-300 group-hover:opacity-100">
-                <StreamlineImageAccessoriesLensesPhotosCameraShutterPicturePhotographyPicturesPhotoLens className="text-white/70" />
-                <span className="text-white/90">{exifData.focalLength35mm}mm</span>
-              </div>
-            )}
+          {exifData && (
+            <div className="grid grid-cols-2 gap-2 pb-4 text-xs @[600px]:grid-cols-4">
+              {exifData.focalLength35mm && (
+                <div className="flex items-center gap-1.5 rounded-md bg-white/10 px-2 py-1 opacity-0 backdrop-blur-md transition-opacity duration-300 group-hover:opacity-100">
+                  <StreamlineImageAccessoriesLensesPhotosCameraShutterPicturePhotographyPicturesPhotoLens className="text-white/70" />
+                  <span className="text-white/90">{exifData.focalLength35mm}mm</span>
+                </div>
+              )}
 
-            {exifData.aperture && (
-              <div className="flex items-center gap-1.5 rounded-md bg-white/10 px-2 py-1 opacity-0 backdrop-blur-md transition-opacity duration-300 group-hover:opacity-100">
-                <TablerAperture className="text-white/70" />
-                <span className="text-white/90">{exifData.aperture}</span>
-              </div>
-            )}
+              {exifData.aperture && (
+                <div className="flex items-center gap-1.5 rounded-md bg-white/10 px-2 py-1 opacity-0 backdrop-blur-md transition-opacity duration-300 group-hover:opacity-100">
+                  <TablerAperture className="text-white/70" />
+                  <span className="text-white/90">{exifData.aperture}</span>
+                </div>
+              )}
 
-            {exifData.shutterSpeed && (
-              <div className="flex items-center gap-1.5 rounded-md bg-white/10 px-2 py-1 opacity-0 backdrop-blur-md transition-opacity duration-300 group-hover:opacity-100">
-                <MaterialSymbolsShutterSpeed className="text-white/70" />
-                <span className="text-white/90">{exifData.shutterSpeed}</span>
-              </div>
-            )}
+              {exifData.shutterSpeed && (
+                <div className="flex items-center gap-1.5 rounded-md bg-white/10 px-2 py-1 opacity-0 backdrop-blur-md transition-opacity duration-300 group-hover:opacity-100">
+                  <MaterialSymbolsShutterSpeed className="text-white/70" />
+                  <span className="text-white/90">{exifData.shutterSpeed}</span>
+                </div>
+              )}
 
-            {exifData.iso && (
-              <div className="flex items-center gap-1.5 rounded-md bg-white/10 px-2 py-1 opacity-0 backdrop-blur-md transition-opacity duration-300 group-hover:opacity-100">
-                <CarbonIsoOutline className="text-white/70" />
-                <span className="text-white/90">ISO {exifData.iso}</span>
-              </div>
-            )}
-          </div>
+              {exifData.iso && (
+                <div className="flex items-center gap-1.5 rounded-md bg-white/10 px-2 py-1 opacity-0 backdrop-blur-md transition-opacity duration-300 group-hover:opacity-100">
+                  <CarbonIsoOutline className="text-white/70" />
+                  <span className="text-white/90">ISO {exifData.iso}</span>
+                </div>
+              )}
+            </div>
+          )}
         </div>
       </div>
     </button>
diff --git a/apps/web/src/modules/cmdk/CommandPalette.tsx b/apps/web/src/modules/cmdk/CommandPalette.tsx
index 8d00fc78..972252cb 100644
--- a/apps/web/src/modules/cmdk/CommandPalette.tsx
+++ b/apps/web/src/modules/cmdk/CommandPalette.tsx
@@ -416,11 +416,13 @@ export const CommandPalette = ({ isOpen, onClose }: CommandPaletteProps) => {
           <input
             ref={inputRef}
             type="text"
+            name="search"
+            autoComplete="off"
             value={query}
             onChange={(e) => setQuery(e.target.value)}
             onKeyDown={handleKeyDown}
             placeholder={t('action.search.placeholder')}
-            className="text-text placeholder-text-tertiary flex-1 bg-transparent text-base outline-none"
+            className="text-text placeholder-text-tertiary flex-1 bg-transparent text-base outline-none focus-visible:outline-none"
           />
           <button
             type="button"
diff --git a/apps/web/src/modules/gallery/ActionGroup.tsx b/apps/web/src/modules/gallery/ActionGroup.tsx
index 8b59235f..b0569e8d 100644
--- a/apps/web/src/modules/gallery/ActionGroup.tsx
+++ b/apps/web/src/modules/gallery/ActionGroup.tsx
@@ -33,10 +33,11 @@ export const ActionGroup = () => {
         onClick={() => {
           setCommandPaletteOpen(true)
         }}
-        className="relative h-10 min-w-10 rounded-full border-0 bg-gray-100 px-3 transition-all duration-200 hover:bg-gray-200 dark:bg-gray-800 dark:hover:bg-gray-700"
+        className="relative h-10 min-w-10 rounded-full border-0 bg-gray-100 px-3 transition-colors duration-200 hover:bg-gray-200 dark:bg-gray-800 dark:hover:bg-gray-700"
         title={t('action.search.unified.title')}
+        aria-label={t('action.search.unified.title')}
       >
-        <i className="i-mingcute-search-line text-base text-gray-600 dark:text-gray-300" />
+        <i className="i-mingcute-search-line text-base text-gray-600 dark:text-gray-300" aria-hidden="true" />
         {filterCount > 0 && (
           <span className="absolute -top-1 -right-1 flex h-5 w-5 items-center justify-center rounded-full bg-blue-500 text-xs font-medium text-white">
             {filterCount}
@@ -49,10 +50,11 @@ export const ActionGroup = () => {
         variant="ghost"
         size="sm"
         onClick={() => navigate('/explory')}
-        className="h-10 w-10 rounded-full border-0 bg-gray-100 transition-all duration-200 hover:bg-gray-200 dark:bg-gray-800 dark:hover:bg-gray-700"
+        className="h-10 w-10 rounded-full border-0 bg-gray-100 transition-colors duration-200 hover:bg-gray-200 dark:bg-gray-800 dark:hover:bg-gray-700"
         title={t('action.map.explore')}
+        aria-label={t('action.map.explore')}
       >
-        <i className="i-mingcute-map-pin-line text-base text-gray-600 dark:text-gray-300" />
+        <i className="i-mingcute-map-pin-line text-base text-gray-600 dark:text-gray-300" aria-hidden="true" />
       </Button>
 
       {/* 视图设置按钮（合并排序和列数） */}
diff --git a/apps/web/src/modules/gallery/ActiveFiltersHero/HeroActions.tsx b/apps/web/src/modules/gallery/ActiveFiltersHero/HeroActions.tsx
index fcc89e4d..9909e43a 100644
--- a/apps/web/src/modules/gallery/ActiveFiltersHero/HeroActions.tsx
+++ b/apps/web/src/modules/gallery/ActiveFiltersHero/HeroActions.tsx
@@ -15,23 +15,25 @@ export const HeroActions = ({ onClearAll, onEditFilters }: HeroActionsProps) =>
       <motion.button
         type="button"
         onClick={onEditFilters}
-        className="flex items-center gap-1.5 rounded-lg bg-transparent px-4 py-2 text-sm font-medium text-white/90 backdrop-blur-sm transition-all duration-200 hover:border-white/20 hover:bg-white/10 hover:text-white"
+        aria-label={t('gallery.filter.edit')}
+        className="flex items-center gap-1.5 rounded-lg bg-transparent px-4 py-2 text-sm font-medium text-white/90 backdrop-blur-sm transition-colors duration-200 hover:border-white/20 hover:bg-white/10 hover:text-white"
         whileHover={{ scale: 1.02 }}
         whileTap={{ scale: 0.98 }}
         transition={Spring.presets.snappy}
       >
-        <i className="i-lucide-pencil text-xs" />
+        <i className="i-lucide-pencil text-xs" aria-hidden="true" />
         <span>{t('gallery.filter.edit')}</span>
       </motion.button>
       <motion.button
         type="button"
         onClick={onClearAll}
-        className="flex items-center gap-1.5 rounded-lg bg-transparent px-4 py-2 text-sm font-medium text-white/90 backdrop-blur-sm transition-all duration-200 hover:border-white/20 hover:bg-white/10 hover:text-white"
+        aria-label={t('gallery.filter.clearAll')}
+        className="flex items-center gap-1.5 rounded-lg bg-transparent px-4 py-2 text-sm font-medium text-white/90 backdrop-blur-sm transition-colors duration-200 hover:border-white/20 hover:bg-white/10 hover:text-white"
         whileHover={{ scale: 1.02 }}
         whileTap={{ scale: 0.98 }}
         transition={Spring.presets.snappy}
       >
-        <i className="i-lucide-x text-xs" />
+        <i className="i-lucide-x text-xs" aria-hidden="true" />
         <span>{t('gallery.filter.clearAll')}</span>
       </motion.button>
     </div>
diff --git a/apps/web/src/modules/gallery/ListView.tsx b/apps/web/src/modules/gallery/ListView.tsx
index 5f2bf072..f07d1f71 100644
--- a/apps/web/src/modules/gallery/ListView.tsx
+++ b/apps/web/src/modules/gallery/ListView.tsx
@@ -1,10 +1,11 @@
 import { useScrollViewElement } from '@afilmory/ui'
 import { useVirtualizer } from '@tanstack/react-virtual'
-import { useRef } from 'react'
+import { useMemo, useRef } from 'react'
 import { useTranslation } from 'react-i18next'
 
 import { useMobile } from '~/hooks/useMobile'
 import { useContextPhotos, usePhotoViewer } from '~/hooks/usePhotoViewer'
+import { formatExifData } from '~/modules/metadata'
 import type { PhotoManifest } from '~/types/photo'
 
 interface ListViewProps {
@@ -99,81 +100,15 @@ const PhotoCard = ({ photo }: { photo: PhotoManifest }) => {
     })
   }
 
-  // 格式化 EXIF 数据
-  const formatExifData = () => {
-    if (!photo.exif) {
-      return {
-        camera: null,
-        lens: null,
-        iso: null,
-        aperture: null,
-        shutterSpeed: null,
-        focalLength: null,
-        exposureCompensation: null,
-      }
-    }
+  // 使用共享的 EXIF 格式化函数
+  const exifData = useMemo(() => formatExifData(photo.exif ?? null), [photo.exif])
 
-    const { exif } = photo
-
-    // 相机信息
-    const camera = exif.Make && exif.Model ? `${exif.Make} ${exif.Model}` : exif.Model || exif.Make || null
-
-    // 镜头信息
-    const lens = exif.LensMake && exif.LensModel ? `${exif.LensMake} ${exif.LensModel}` : exif.LensModel || null
-
-    // ISO
-    const iso = exif.ISO || null
-
-    // 光圈
-    const aperture = exif.FNumber ? `f/${exif.FNumber}` : null
-
-    // 快门速度
-    const exposureTime = exif.ExposureTime
-    let shutterSpeed: string | null = null
-    if (exposureTime) {
-      if (typeof exposureTime === 'number') {
-        if (exposureTime >= 1) {
-          shutterSpeed = `${exposureTime}s`
-        } else {
-          shutterSpeed = `1/${Math.round(1 / exposureTime)}s`
-        }
-      } else {
-        shutterSpeed = `${exposureTime}s`
-      }
-    } else if (exif.ShutterSpeedValue) {
-      const speed =
-        typeof exif.ShutterSpeedValue === 'number'
-          ? exif.ShutterSpeedValue
-          : Number.parseFloat(String(exif.ShutterSpeedValue))
-      if (speed >= 1) {
-        shutterSpeed = `${speed}s`
-      } else {
-        shutterSpeed = `1/${Math.round(1 / speed)}s`
-      }
-    }
-
-    // 焦距 (优先使用 35mm 等效焦距)
-    const focalLength = exif.FocalLengthIn35mmFormat
-      ? `${Number.parseInt(exif.FocalLengthIn35mmFormat)}mm`
-      : exif.FocalLength
-        ? `${Number.parseInt(exif.FocalLength)}mm`
-        : null
-
-    // 曝光补偿
-    const exposureCompensation = exif.ExposureCompensation ? `${exif.ExposureCompensation} EV` : null
-
-    return {
-      camera,
-      lens,
-      iso,
-      aperture,
-      shutterSpeed,
-      focalLength,
-      exposureCompensation,
-    }
-  }
-
-  const exifData = formatExifData()
+  // 从完整的 exifData 中获取焦距显示格式
+  const focalLengthDisplay = exifData?.focalLength35mm
+    ? `${exifData.focalLength35mm}mm`
+    : exifData?.focalLength
+      ? `${exifData.focalLength}mm`
+      : null
 
   return (
     <div
@@ -245,7 +180,7 @@ const PhotoCard = ({ photo }: { photo: PhotoManifest }) => {
             </div>
 
             {/* 相机 */}
-            {exifData.camera && (
+            {exifData?.camera && (
               <div className="flex items-center gap-1">
                 <i className="i-lucide-camera text-[10px]" />
                 <span className="truncate">{exifData.camera}</span>
@@ -253,7 +188,7 @@ const PhotoCard = ({ photo }: { photo: PhotoManifest }) => {
             )}
 
             {/* 镜头 */}
-            {exifData.lens && (
+            {exifData?.lens && (
               <div className="flex items-center gap-1">
                 <i className="i-lucide-aperture text-[10px]" />
                 <span className="truncate">{exifData.lens}</span>
@@ -270,10 +205,10 @@ const PhotoCard = ({ photo }: { photo: PhotoManifest }) => {
           </div>
 
           {/* 摄影三要素 + 焦距 - 简洁样式 */}
-          {(exifData.iso || exifData.aperture || exifData.shutterSpeed || exifData.focalLength) && (
+          {(exifData?.iso || exifData?.aperture || exifData?.shutterSpeed || focalLengthDisplay) && (
             <div className="mt-2 flex flex-wrap items-center gap-1.5 border-t border-white/10 pt-2">
               {/* ISO */}
-              {exifData.iso && (
+              {exifData?.iso && (
                 <div className="flex items-center gap-1 rounded-md bg-white/10 px-2 py-1 backdrop-blur-md">
                   <i className="i-lucide-gauge text-[10px] text-white/70" />
                   <span className="text-[11px] text-white/90">ISO {exifData.iso}</span>
@@ -281,7 +216,7 @@ const PhotoCard = ({ photo }: { photo: PhotoManifest }) => {
               )}
 
               {/* 光圈 */}
-              {exifData.aperture && (
+              {exifData?.aperture && (
                 <div className="flex items-center gap-1 rounded-md bg-white/10 px-2 py-1 backdrop-blur-md">
                   <i className="i-lucide-circle-dot text-[10px] text-white/70" />
                   <span className="text-[11px] text-white/90">{exifData.aperture}</span>
@@ -289,7 +224,7 @@ const PhotoCard = ({ photo }: { photo: PhotoManifest }) => {
               )}
 
               {/* 快门速度 */}
-              {exifData.shutterSpeed && (
+              {exifData?.shutterSpeed && (
                 <div className="flex items-center gap-1 rounded-md bg-white/10 px-2 py-1 backdrop-blur-md">
                   <i className="i-lucide-timer text-[10px] text-white/70" />
                   <span className="text-[11px] text-white/90">{exifData.shutterSpeed}</span>
@@ -297,18 +232,18 @@ const PhotoCard = ({ photo }: { photo: PhotoManifest }) => {
               )}
 
               {/* 焦距 */}
-              {exifData.focalLength && (
+              {focalLengthDisplay && (
                 <div className="flex items-center gap-1 rounded-md bg-white/10 px-2 py-1 backdrop-blur-md">
                   <i className="i-lucide-maximize-2 text-[10px] text-white/70" />
-                  <span className="text-[11px] text-white/90">{exifData.focalLength}</span>
+                  <span className="text-[11px] text-white/90">{focalLengthDisplay}</span>
                 </div>
               )}
 
               {/* 曝光补偿 - 次要显示 */}
-              {exifData.exposureCompensation && (
+              {exifData?.exposureBias && (
                 <div className="flex items-center gap-1 rounded-md bg-white/5 px-1.5 py-0.5">
                   <i className="i-lucide-sliders-horizontal text-[10px] text-white/60" />
-                  <span className="text-[11px] text-white/70">{exifData.exposureCompensation}</span>
+                  <span className="text-[11px] text-white/70">{exifData.exposureBias}</span>
                 </div>
               )}
             </div>
diff --git a/apps/web/src/modules/gallery/MasonryPhotoItem.tsx b/apps/web/src/modules/gallery/MasonryPhotoItem.tsx
index 83d8f882..eaeaa740 100644
--- a/apps/web/src/modules/gallery/MasonryPhotoItem.tsx
+++ b/apps/web/src/modules/gallery/MasonryPhotoItem.tsx
@@ -1,7 +1,7 @@
 import { Thumbhash } from '@afilmory/ui'
 import clsx from 'clsx'
 import { m } from 'motion/react'
-import { Fragment, memo, useCallback, useEffect, useRef, useState } from 'react'
+import { Fragment, memo, useCallback, useEffect, useMemo, useRef, useState } from 'react'
 import { useTranslation } from 'react-i18next'
 
 import { useContextPhotos, usePhotoViewer } from '~/hooks/usePhotoViewer'
@@ -13,6 +13,7 @@ import {
 } from '~/icons'
 import { isMobileDevice } from '~/lib/device-viewport'
 import { ImageLoaderManager } from '~/lib/image-loader-manager'
+import { formatExifData } from '~/modules/metadata'
 import type { PhotoManifest } from '~/types/photo'
 
 export const MasonryPhotoItem = memo(({ data, width }: { data: PhotoManifest; width: number }) => {
@@ -54,46 +55,8 @@ export const MasonryPhotoItem = memo(({ data, width }: { data: PhotoManifest; wi
   // 计算基于宽度的高度
   const calculatedHeight = width / data.aspectRatio
 
-  // 格式化 EXIF 数据
-  const formatExifData = () => {
-    const { exif } = data
-
-    // 安全处理：如果 exif 不存在或为空，则返回空对象
-    if (!exif) {
-      return {
-        focalLength35mm: null,
-        iso: null,
-        shutterSpeed: null,
-        aperture: null,
-      }
-    }
-
-    // 等效焦距 (35mm)
-    const focalLength35mm = exif.FocalLengthIn35mmFormat
-      ? Number.parseInt(exif.FocalLengthIn35mmFormat)
-      : exif.FocalLength
-        ? Number.parseInt(exif.FocalLength)
-        : null
-
-    // ISO
-    const iso = exif.ISO
-
-    // 快门速度
-    const exposureTime = exif.ExposureTime
-    const shutterSpeed = exposureTime ? `${exposureTime}s` : null
-
-    // 光圈
-    const aperture = exif.FNumber ? `f/${exif.FNumber}` : null
-
-    return {
-      focalLength35mm,
-      iso,
-      shutterSpeed,
-      aperture,
-    }
-  }
-
-  const exifData = formatExifData()
+  // 使用共享的 EXIF 格式化函数
+  const exifData = useMemo(() => formatExifData(data.exif ?? null), [data.exif])
 
   // 检查是否有视频内容（Live Photo 或 Motion Photo）
   const hasVideo = data.video !== undefined
@@ -333,7 +296,7 @@ export const MasonryPhotoItem = memo(({ data, width }: { data: PhotoManifest; wi
             </div>
 
             {/* EXIF 信息网格 */}
-            {calculatedHeight >= 200 && (
+            {calculatedHeight >= 200 && exifData && (
               <div className="grid grid-cols-2 gap-2 pb-4 text-xs">
                 {exifData.focalLength35mm && (
                   <div className="flex items-center gap-1.5 rounded-md bg-white/10 px-2 py-1 opacity-0 backdrop-blur-md transition-opacity duration-300 group-hover:opacity-100">
diff --git a/apps/web/src/modules/gallery/PageHeader/PageHeaderRight.tsx b/apps/web/src/modules/gallery/PageHeader/PageHeaderRight.tsx
index 034f79c3..dff6211d 100644
--- a/apps/web/src/modules/gallery/PageHeader/PageHeaderRight.tsx
+++ b/apps/web/src/modules/gallery/PageHeader/PageHeaderRight.tsx
@@ -110,9 +110,10 @@ const MoreActionMenu = () => {
       <DropdownMenuTrigger asChild>
         <button
           type="button"
-          className="relative flex size-7 items-center justify-center rounded text-white/60 transition-all duration-200 hover:bg-white/10 hover:text-white lg:hidden"
+          className="relative flex size-7 items-center justify-center rounded text-white/60 transition-colors duration-200 hover:bg-white/10 hover:text-white lg:hidden"
+          aria-label="More options"
         >
-          <i className="i-mingcute-more-2-line text-lg" />
+          <i className="i-mingcute-more-2-line text-lg" aria-hidden="true" />
         </button>
       </DropdownMenuTrigger>
       <DropdownMenuContent align="end" className="min-w-[180px]">
@@ -186,10 +187,11 @@ const DesktopViewButton = ({
       <DropdownMenuTrigger asChild>
         <button
           type="button"
-          className="relative flex size-7 items-center justify-center rounded-full text-white/60 transition-all duration-200 hover:bg-white/10 hover:text-white lg:size-8"
+          className="relative flex size-7 items-center justify-center rounded-full text-white/60 transition-colors duration-200 hover:bg-white/10 hover:text-white lg:size-8"
           title={title}
+          aria-label={title}
         >
-          <i className={`${icon} text-sm lg:text-base`} />
+          <i className={`${icon} text-sm lg:text-base`} aria-hidden="true" />
           {badge && (
             <span className="absolute -top-0.5 -right-0.5 flex size-2 items-center justify-center rounded-full bg-blue-500 lg:size-2.5">
               <span className="sr-only">{badge}</span>
@@ -219,11 +221,12 @@ const MobileViewButton = ({
     <>
       <button
         type="button"
-        className="relative flex size-7 items-center justify-center rounded text-white/60 transition-all duration-200 hover:bg-white/10 hover:text-white lg:size-8"
+        className="relative flex size-7 items-center justify-center rounded text-white/60 transition-colors duration-200 hover:bg-white/10 hover:text-white lg:size-8"
         title={title}
+        aria-label={title}
         onClick={() => setOpen(!open)}
       >
-        <i className={`${icon} text-sm lg:text-base`} />
+        <i className={`${icon} text-sm lg:text-base`} aria-hidden="true" />
         {badge && (
           <span className="absolute -top-0.5 -right-0.5 flex size-2 items-center justify-center rounded-full bg-blue-500 lg:size-2.5">
             <span className="sr-only">{badge}</span>
@@ -267,10 +270,11 @@ const LoginButton = () => {
       <DropdownMenuTrigger asChild>
         <button
           type="button"
-          className="relative flex size-7 items-center justify-center rounded text-white/60 transition-all duration-200 hover:bg-white/10 hover:text-white lg:size-8"
+          className="relative flex size-7 items-center justify-center rounded text-white/60 transition-colors duration-200 hover:bg-white/10 hover:text-white lg:size-8"
           title={t('action.login')}
+          aria-label={t('action.login')}
         >
-          <i className="i-lucide-log-in text-sm lg:text-base" />
+          <i className="i-lucide-log-in text-sm lg:text-base" aria-hidden="true" />
         </button>
       </DropdownMenuTrigger>
       <DropdownMenuContent align="end" className="min-w-[200px]">
@@ -355,8 +359,9 @@ const UserMenuButton = ({
     return (
       <button
         type="button"
-        className="relative flex size-7 items-center justify-center rounded text-white/60 transition-all duration-200 hover:bg-white/10 hover:text-white lg:size-8"
+        className="relative flex size-7 items-center justify-center rounded text-white/60 transition-colors duration-200 hover:bg-white/10 hover:text-white lg:size-8"
         title={t('action.dashboard')}
+        aria-label={t('action.dashboard')}
         onClick={() => (window.location.href = '/platform')}
       >
         <UserAvatar image={user.image} name={user.name || user.id} fallback="?" size={28} className="lg:size-8" />
@@ -370,8 +375,9 @@ const UserMenuButton = ({
       <DropdownMenuTrigger asChild>
         <button
           type="button"
-          className="relative flex size-7 items-center justify-center rounded text-white/60 transition-all duration-200 hover:bg-white/10 hover:text-white lg:size-8"
+          className="relative flex size-7 items-center justify-center rounded text-white/60 transition-colors duration-200 hover:bg-white/10 hover:text-white lg:size-8"
           title={user.name || user.id}
+          aria-label={`User menu: ${user.name || user.id}`}
         >
           <UserAvatar image={user.image} name={user.name || user.id} fallback="?" size={28} className="lg:size-8" />
         </button>
diff --git a/apps/web/src/modules/gallery/components/ActionButton.tsx b/apps/web/src/modules/gallery/components/ActionButton.tsx
index 0add2559..79105143 100644
--- a/apps/web/src/modules/gallery/components/ActionButton.tsx
+++ b/apps/web/src/modules/gallery/components/ActionButton.tsx
@@ -26,13 +26,14 @@ export const ActionButton = ({
     <Button
       variant="ghost"
       size="sm"
-      className="relative h-10 w-10 rounded-full border-0 bg-white/10 text-white/60 transition-all duration-200 hover:bg-white/20 hover:text-white"
+      className="relative h-10 w-10 rounded-full border-0 bg-white/10 text-white/60 transition-colors duration-200 hover:bg-white/20 hover:text-white"
       title={title}
+      aria-label={title}
       onClick={onClick}
       ref={ref}
       {...props}
     >
-      <i className={clsxm(icon, 'text-lg')} />
+      <i className={clsxm(icon, 'text-lg')} aria-hidden="true" />
       {badge && (
         <span className="absolute -top-1 -right-1 flex h-5 w-5 items-center justify-center rounded-full bg-blue-500 text-xs font-medium text-white shadow-sm">
           {badge}
diff --git a/apps/web/src/modules/gallery/panels/SortPanel.tsx b/apps/web/src/modules/gallery/panels/SortPanel.tsx
index 0929a97d..d8a31755 100644
--- a/apps/web/src/modules/gallery/panels/SortPanel.tsx
+++ b/apps/web/src/modules/gallery/panels/SortPanel.tsx
@@ -1,8 +1,35 @@
+import { clsxm } from '@afilmory/utils'
 import { useAtom } from 'jotai'
 import { useTranslation } from 'react-i18next'
 
 import { gallerySettingAtom } from '~/atoms/app'
 
+interface SortOptionProps {
+  icon: string
+  label: string
+  isActive: boolean
+  onClick: () => void
+}
+
+const SortOption = ({ icon, label, isActive, onClick }: SortOptionProps) => {
+  return (
+    <button
+      type="button"
+      onClick={onClick}
+      className={clsxm(
+        'flex w-full cursor-pointer items-center gap-2 rounded-lg px-2 py-2 text-left transition-colors duration-200 lg:py-1',
+        'hover:bg-[linear-gradient(to_right,color-mix(in_srgb,var(--color-accent)_8%,transparent),color-mix(in_srgb,var(--color-accent)_5%,transparent))]',
+        'hover:text-accent',
+        'focus-visible:outline-none focus-visible:ring-2 focus-visible:ring-accent/50 focus-visible:ring-offset-1',
+      )}
+    >
+      <i className={icon} />
+      <span>{label}</span>
+      {isActive && <i className="i-mingcute-check-line ml-auto" />}
+    </button>
+  )
+}
+
 export const SortPanel = () => {
   const { t } = useTranslation()
   const [gallerySetting, setGallerySetting] = useAtom(gallerySettingAtom)
@@ -13,52 +40,21 @@ export const SortPanel = () => {
       sortOrder: order,
     })
   }
+
   return (
     <div className="-mx-2 flex flex-col p-0 text-sm lg:p-0">
-      <div
-        className="group flex cursor-pointer items-center gap-2 rounded-lg bg-transparent px-2 py-2 transition-all duration-200 lg:py-1"
-        style={{
-          // @ts-ignore - CSS variable for hover state
-          '--highlight-bg':
-            'linear-gradient(to right, color-mix(in srgb, var(--color-accent) 8%, transparent), color-mix(in srgb, var(--color-accent) 5%, transparent))',
-        }}
-        onMouseEnter={(e) => {
-          e.currentTarget.style.background =
-            'linear-gradient(to right, color-mix(in srgb, var(--color-accent) 8%, transparent), color-mix(in srgb, var(--color-accent) 5%, transparent))'
-          e.currentTarget.style.color = 'var(--color-accent)'
-        }}
-        onMouseLeave={(e) => {
-          e.currentTarget.style.background = 'transparent'
-          e.currentTarget.style.color = ''
-        }}
+      <SortOption
+        icon="i-mingcute-sort-descending-line"
+        label={t('action.sort.newest.first')}
+        isActive={gallerySetting.sortOrder === 'desc'}
         onClick={() => setSortOrder('desc')}
-      >
-        <i className="i-mingcute-sort-descending-line" />
-        <span>{t('action.sort.newest.first')}</span>
-        {gallerySetting.sortOrder === 'desc' && <i className="i-mingcute-check-line ml-auto" />}
-      </div>
-      <div
-        className="group flex cursor-pointer items-center gap-2 rounded-lg bg-transparent px-2 py-2 transition-all duration-200 lg:py-1"
-        style={{
-          // @ts-ignore - CSS variable for hover state
-          '--highlight-bg':
-            'linear-gradient(to right, color-mix(in srgb, var(--color-accent) 8%, transparent), color-mix(in srgb, var(--color-accent) 5%, transparent))',
-        }}
-        onMouseEnter={(e) => {
-          e.currentTarget.style.background =
-            'linear-gradient(to right, color-mix(in srgb, var(--color-accent) 8%, transparent), color-mix(in srgb, var(--color-accent) 5%, transparent))'
-          e.currentTarget.style.color = 'var(--color-accent)'
-        }}
-        onMouseLeave={(e) => {
-          e.currentTarget.style.background = 'transparent'
-          e.currentTarget.style.color = ''
-        }}
+      />
+      <SortOption
+        icon="i-mingcute-sort-ascending-line"
+        label={t('action.sort.oldest.first')}
+        isActive={gallerySetting.sortOrder === 'asc'}
         onClick={() => setSortOrder('asc')}
-      >
-        <i className="i-mingcute-sort-ascending-line" />
-        <span>{t('action.sort.oldest.first')}</span>
-        {gallerySetting.sortOrder === 'asc' && <i className="i-mingcute-check-line ml-auto" />}
-      </div>
+      />
     </div>
   )
 }
diff --git a/apps/web/src/modules/metadata/formatExifData.tsx b/apps/web/src/modules/metadata/formatExifData.tsx
index 36716047..5a5eaaeb 100644
--- a/apps/web/src/modules/metadata/formatExifData.tsx
+++ b/apps/web/src/modules/metadata/formatExifData.tsx
@@ -180,9 +180,30 @@ export const formatExifData = (exif: PickedExif | null) => {
   // ISO
   const iso = exif.ISO
 
-  // 快门速度
-  const exposureTime = exif.ExposureTime
-  const shutterSpeed = exposureTime ? `${exposureTime}s` : exif.ShutterSpeedValue ? `${exif.ShutterSpeedValue}s` : null
+  // 快门速度 - 使用分数格式更友好
+  const shutterSpeed = (() => {
+    const exposureTime = exif.ExposureTime
+    if (exposureTime) {
+      if (typeof exposureTime === 'number') {
+        if (exposureTime >= 1) {
+          return `${exposureTime}s`
+        }
+        return `1/${Math.round(1 / exposureTime)}s`
+      }
+      return `${exposureTime}s`
+    }
+    if (exif.ShutterSpeedValue) {
+      const speed =
+        typeof exif.ShutterSpeedValue === 'number'
+          ? exif.ShutterSpeedValue
+          : Number.parseFloat(String(exif.ShutterSpeedValue))
+      if (speed >= 1) {
+        return `${speed}s`
+      }
+      return `1/${Math.round(1 / speed)}s`
+    }
+    return null
+  })()
 
   // 光圈
   const aperture = exif.FNumber ? `f/${exif.FNumber}` : null
diff --git a/apps/web/src/modules/social/comments/CommentInput.tsx b/apps/web/src/modules/social/comments/CommentInput.tsx
index 4df878cf..13c022f5 100644
--- a/apps/web/src/modules/social/comments/CommentInput.tsx
+++ b/apps/web/src/modules/social/comments/CommentInput.tsx
@@ -82,6 +82,8 @@ export const CommentInput = () => {
 
         <div className="flex-1">
           <textarea
+            name="comment"
+            autoComplete="off"
             value={newComment}
             onChange={handleInputChange}
             placeholder={t('comments.placeholder')}