diff --git a/src-tauri/tauri.conf.json b/src-tauri/tauri.conf.json
index d89ea18a..06255254 100644
--- a/src-tauri/tauri.conf.json
+++ b/src-tauri/tauri.conf.json
@@ -9,8 +9,8 @@
     "devUrl": "http://localhost:3001"
   },
   "bundle": {
-    "longDescription": "Compress any video/image file to a tiny size.",
-    "shortDescription": "Compress any video/image to a tiny size",
+    "longDescription": "压缩任何视频/图片文件到极小体积。",
+    "shortDescription": "压缩任何视频/图片到极小体积",
     "active": true,
     "category": "Video",
     "copyright": "Code For Real",
diff --git a/src/components/ThemeSwitcher/index.tsx b/src/components/ThemeSwitcher/index.tsx
index 43607e9b..6618653e 100644
--- a/src/components/ThemeSwitcher/index.tsx
+++ b/src/components/ThemeSwitcher/index.tsx
@@ -96,13 +96,13 @@ export const ThemeSwitcher = ({
       onPress={handleThemeToggle}
     >
       <Tooltip
-        content="Toggle theme"
-        aria-label="Toggle theme"
+        content="切换主题"
+        aria-label="切换主题"
         placement="right"
       >
         <Icon name={theme === 'light' ? 'moon' : 'sun'} />
       </Tooltip>
-      <span className="sr-only">Toggle theme</span>
+      <span className="sr-only">切换主题</span>
     </Button>
   )
 }
diff --git a/src/routes/(root)/index.tsx b/src/routes/(root)/index.tsx
index ece7cdb0..e0c591ca 100644
--- a/src/routes/(root)/index.tsx
+++ b/src/routes/(root)/index.tsx
@@ -69,7 +69,7 @@ function Root() {
       })
 
       if (mediaPaths.length === 0) {
-        toast.error('No valid media files found.')
+        toast.error('未找到有效的媒体文件。')
         return
       }
 
@@ -208,7 +208,7 @@ function Root() {
       appProxy.state.isLoadingMediaFiles = false
       if (corruptedFilesCount > 0) {
         toast.error(
-          `${mediaPaths.length > 1 ? 'Some files seem' : 'File seems'} to be corrupted/invalid ${mediaPaths.length > 1 ? 'and are filtered out' : ''}.`,
+          `${mediaPaths.length > 1 ? '部分文件' : '文件'}似乎已损坏或无效${mediaPaths.length > 1 ? '，已被过滤' : ''}。`,
         )
         if (corruptedFilesCount === mediaPaths.length) {
           resetProxy()
@@ -223,7 +223,7 @@ function Root() {
       const filePath = await open({
         directory: false,
         multiple: true,
-        title: `Select images/videos to compress.`,
+        title: '选择要压缩的图片/视频。',
         filters: [
           { name: 'video', extensions: Object.keys(extensions?.video) },
           { name: 'image', extensions: Object.keys(extensions?.image) },
@@ -237,7 +237,7 @@ function Root() {
       }
       handleMediaSelection(filePath)
     } catch (error: any) {
-      toast.error(error?.message ?? 'Could not select media.')
+      toast.error(error?.message ?? '无法选择媒体文件。')
     }
   }, [handleMediaSelection])
 
@@ -280,9 +280,9 @@ function Root() {
         <div className="flex flex-col justify-center items-center py-16 px-20 border-2 border-dashed border-zinc-200 dark:border-zinc-800 rounded-3xl">
           <Icon name="addMedia" className="text-primary" size={60} />
           <p className="text-sm mt-4 text-gray-600 dark:text-gray-400 text-center">
-            Drag & Drop
-            <span className="block text-xs">Or</span>
-            Click to select media
+            拖放文件
+            <span className="block text-xs">或</span>
+            点击选择媒体文件
           </p>
         </div>
       </motion.div>
diff --git a/src/routes/(root)/ui/CancelCompression.tsx b/src/routes/(root)/ui/CancelCompression.tsx
index 9a038b07..14fa5ce9 100644
--- a/src/routes/(root)/ui/CancelCompression.tsx
+++ b/src/routes/(root)/ui/CancelCompression.tsx
@@ -55,7 +55,7 @@ function CancelCompression() {
         appProxy.timeTravel('beforeCompressionStarted')
       }
     } catch {
-      toast.error('Cannot cancel compression at this point.')
+      toast.error('此时无法取消压缩。')
     }
     setConfirmCancellation(false)
   }
@@ -78,10 +78,10 @@ function CancelCompression() {
       <AnimatePresence mode="wait">
         <motion.div layout="preserve-aspect">
           {confirmCancellation && !isCancelling
-            ? 'Confirm Cancel'
+            ? '确认取消'
             : isCancelling
-              ? 'Cancelling...'
-              : 'Cancel'}
+              ? '取消中...'
+              : '取消'}
         </motion.div>
       </AnimatePresence>
     </Button>
diff --git a/src/routes/(root)/ui/CompressionActions.tsx b/src/routes/(root)/ui/CompressionActions.tsx
index 5016e0da..a69e72c6 100644
--- a/src/routes/(root)/ui/CompressionActions.tsx
+++ b/src/routes/(root)/ui/CompressionActions.tsx
@@ -57,7 +57,7 @@ function CompressionActions() {
     <>
       <div className="w-fit flex justify-center items-center z-[10]">
         {isProcessCompleted ? (
-          <Tooltip content="Reconfigure" aria-label="Reset">
+          <Tooltip content="重新配置" aria-label="重置">
             <Button
               size="sm"
               onPress={handleReconfigure}
@@ -71,7 +71,7 @@ function CompressionActions() {
             </Button>
           </Tooltip>
         ) : null}
-        <Tooltip content="Exit" aria-label="Exit">
+        <Tooltip content="退出" aria-label="退出">
           <Button
             size="sm"
             onPress={handleCancelCompression}
@@ -86,17 +86,17 @@ function CompressionActions() {
         </Tooltip>
       </div>
       <AlertDialog
-        title={`Media not saved`}
+        title={'媒体未保存'}
         disclosure={alertDisclosure}
-        description={`Your compressed media${media.length > 1 ? 'are' : ' is'} not yet saved. Are you sure you want to discard it?`}
+        description={`您压缩后的媒体尚未保存。确定要丢弃吗？`}
         renderFooter={({ closeModal }) => (
           <>
-            <AlertDialogButton onPress={closeModal}>Go Back</AlertDialogButton>
+            <AlertDialogButton onPress={closeModal}>返回</AlertDialogButton>
             <AlertDialogButton
               color="danger"
               onPress={() => handleDiscard({ closeModal })}
             >
-              Yes
+              是
             </AlertDialogButton>
           </>
         )}
diff --git a/src/routes/(root)/ui/CustomizeMediaOnBatchActions.tsx b/src/routes/(root)/ui/CustomizeMediaOnBatchActions.tsx
index 00d20ef8..b06591e8 100644
--- a/src/routes/(root)/ui/CustomizeMediaOnBatchActions.tsx
+++ b/src/routes/(root)/ui/CustomizeMediaOnBatchActions.tsx
@@ -111,7 +111,7 @@ function CustomizeMediaOnBatchActions() {
             variant="flat"
             radius="md"
           >
-            Close
+            关闭
           </Button>
         ) : (
           <>
@@ -122,7 +122,7 @@ function CustomizeMediaOnBatchActions() {
               variant="flat"
               radius="md"
             >
-              Reset
+              重置
             </Button>
             <Button
               size="sm"
@@ -130,7 +130,7 @@ function CustomizeMediaOnBatchActions() {
               radius="md"
               onPress={handleApplyVideoConfig}
             >
-              Apply
+              应用
             </Button>
           </>
         )}
diff --git a/src/routes/(root)/ui/DragAndDropFiles.tsx b/src/routes/(root)/ui/DragAndDropFiles.tsx
index 10bf1c66..7c1da8b2 100644
--- a/src/routes/(root)/ui/DragAndDropFiles.tsx
+++ b/src/routes/(root)/ui/DragAndDropFiles.tsx
@@ -62,7 +62,7 @@ function DragAndDropFiles({
             if (Array.isArray(files)) {
               onFile?.(files)
             } else {
-              toast.error('Invalid files/folders')
+              toast.error('无效的文件/文件夹')
             }
           }
         })
@@ -103,7 +103,7 @@ function DragAndDropFiles({
               >
                 <Icon name="dragAndDrop" className="text-primary" size={50} />
                 <p className="my-2 text-gray-600 dark:text-gray-400 text-sm">
-                  Drop anywhere...
+                  拖放到此处...
                 </p>
               </motion.div>
             </div>
diff --git a/src/routes/(root)/ui/ImageInfo.tsx b/src/routes/(root)/ui/ImageInfo.tsx
index 59e9a0f9..fd73ae73 100644
--- a/src/routes/(root)/ui/ImageInfo.tsx
+++ b/src/routes/(root)/ui/ImageInfo.tsx
@@ -32,11 +32,11 @@ type ImageInfoProps = {
 const TABS = {
   container: {
     id: 'container',
-    title: 'Container',
+    title: '容器',
   },
   color: {
     id: 'color',
-    title: 'Color',
+    title: '颜色',
   },
   exif: {
     id: 'exif',
@@ -139,7 +139,7 @@ function ImageInfo({ mediaIndex, onClose }: ImageInfoProps) {
     <section className="w-full h-full bg-white1 dark:bg-black1 p-6">
       <div className="w-full flex justify-center">
         <Tabs
-          aria-label="Image Information"
+          aria-label="图片信息"
           size="sm"
           selectedKey={tab}
           onSelectionChange={(t) => setTab(t as keyof typeof TABS)}
@@ -200,7 +200,7 @@ function BasicInfoDisplay({
       {imagePathRaw ? (
         <>
           <InfoItem
-            label="Full Path"
+            label="完整路径"
             value={
               <Code size="sm" className="text-xs max-w-[100%] truncate">
                 {imagePathRaw}
@@ -213,28 +213,28 @@ function BasicInfoDisplay({
 
       {info.filename ? (
         <>
-          <InfoItem label="File Name" value={info.filename} />
+          <InfoItem label="文件名" value={info.filename} />
           <Divider className="my-1" />
         </>
       ) : null}
 
       {info.format ? (
         <>
-          <InfoItem label="Format" value={info.format} />
+          <InfoItem label="格式" value={info.format} />
           <Divider className="my-1" />
         </>
       ) : null}
 
       {info.mimeType ? (
         <>
-          <InfoItem label="MIME Type" value={info.mimeType} />
+          <InfoItem label="MIME 类型" value={info.mimeType} />
           <Divider className="my-1" />
         </>
       ) : null}
 
       {info.size > 0 ? (
         <>
-          <InfoItem label="Size" value={formatBytes(info.size)} />
+          <InfoItem label="大小" value={formatBytes(info.size)} />
           <Divider className="my-1" />
         </>
       ) : null}
@@ -243,18 +243,18 @@ function BasicInfoDisplay({
         <>
           <div className="grid grid-cols-2 gap-4 mt-4">
             <div>
-              <InfoItem label="Width" value={`${dimensions.width}px`} />
+              <InfoItem label="宽度" value={`${dimensions.width}px`} />
               <Divider className="!my-2" />
             </div>
             <div>
-              <InfoItem label="Height" value={`${dimensions.height}px`} />
+              <InfoItem label="高度" value={`${dimensions.height}px`} />
               <Divider className="!my-2" />
             </div>
           </div>
 
           {dimensions.aspectRatio ? (
             <>
-              <InfoItem label="Aspect Ratio" value={dimensions.aspectRatio} />
+              <InfoItem label="宽高比" value={dimensions.aspectRatio} />
               <Divider className="!my-2" />
             </>
           ) : null}
@@ -262,7 +262,7 @@ function BasicInfoDisplay({
           {dimensions.orientation ? (
             <>
               <InfoItem
-                label="Orientation"
+                label="方向"
                 value={`${dimensions.orientation}°`}
               />
               <Divider className="!my-2" />
@@ -280,7 +280,7 @@ function BasicInfoDisplay({
           ) : null}
 
           <InfoItem
-            label="Megapixels"
+            label="百万像素"
             value={`${dimensions.megapixels.toFixed(2)} MP`}
           />
           <Divider className="!my-2" />
@@ -295,31 +295,31 @@ function ColorInfoDisplay({ info }: { info: ImageColorInfo }) {
     <div className="space-y-4">
       {info.colorType ? (
         <>
-          <InfoItem label="Color Type" value={info.colorType} />
+          <InfoItem label="颜色类型" value={info.colorType} />
           <Divider className="!my-2" />
         </>
       ) : null}
 
       {info.bitDepth ? (
         <>
-          <InfoItem label="Bit Depth" value={`${info.bitDepth}-bit`} />
+          <InfoItem label="位深度" value={`${info.bitDepth}-bit`} />
           <Divider className="!my-2" />
         </>
       ) : null}
 
-      <InfoItem label="Alpha Channel" value={info.hasAlpha ? 'Yes' : 'No'} />
+      <InfoItem label="Alpha 通道" value={info.hasAlpha ? '是' : '否'} />
       <Divider className="!my-2" />
 
       {info.colorSpace ? (
         <>
-          <InfoItem label="Color Space" value={info.colorSpace} />
+          <InfoItem label="色彩空间" value={info.colorSpace} />
           <Divider className="!my-2" />
         </>
       ) : null}
 
       {info.pixelFormat ? (
         <>
-          <InfoItem label="Pixel Format" value={info.pixelFormat} />
+          <InfoItem label="像素格式" value={info.pixelFormat} />
           <Divider className="!my-2" />
         </>
       ) : null}
@@ -350,7 +350,7 @@ function ExifDisplay({ exif }: { exif: ExifInfo }) {
   ) {
     return (
       <p className="text-center text-zinc-500 py-8 select-text">
-        No EXIF data found
+        未找到 EXIF 数据
       </p>
     )
   }
@@ -364,33 +364,33 @@ function ExifDisplay({ exif }: { exif: ExifInfo }) {
           className="space-y-4"
         >
           <h3 className="text-lg font-semibold text-primary select-text">
-            Camera Information
+            相机信息
           </h3>
 
           {exif.make ? (
             <>
-              <InfoItem label="Make" value={exif.make} />
+              <InfoItem label="制造商" value={exif.make} />
               <Divider className="!my-2" />
             </>
           ) : null}
 
           {exif.model ? (
             <>
-              <InfoItem label="Model" value={exif.model} />
+              <InfoItem label="型号" value={exif.model} />
               <Divider className="!my-2" />
             </>
           ) : null}
 
           {exif.lensModel ? (
             <>
-              <InfoItem label="Lens Model" value={exif.lensModel} />
+              <InfoItem label="镜头型号" value={exif.lensModel} />
               <Divider className="!my-2" />
             </>
           ) : null}
 
           {exif.software ? (
             <>
-              <InfoItem label="Software" value={exif.software} />
+              <InfoItem label="软件" value={exif.software} />
               <Divider className="!my-2" />
             </>
           ) : null}
@@ -405,7 +405,7 @@ function ExifDisplay({ exif }: { exif: ExifInfo }) {
           className="space-y-4"
         >
           <h3 className="text-lg font-semibold text-primary select-text">
-            Shooting Information
+            拍摄信息
           </h3>
 
           {exif.iso ? (
@@ -417,28 +417,28 @@ function ExifDisplay({ exif }: { exif: ExifInfo }) {
 
           {exif.exposureTime ? (
             <>
-              <InfoItem label="Exposure Time" value={exif.exposureTime} />
+              <InfoItem label="曝光时间" value={exif.exposureTime} />
               <Divider className="!my-1" />
             </>
           ) : null}
 
           {exif.fNumber ? (
             <>
-              <InfoItem label="Aperture" value={`f/${exif.fNumber}`} />
+              <InfoItem label="光圈" value={`f/${exif.fNumber}`} />
               <Divider className="!my-1" />
             </>
           ) : null}
 
           {exif.focalLength ? (
             <>
-              <InfoItem label="Focal Length" value={exif.focalLength} />
+              <InfoItem label="焦距" value={exif.focalLength} />
               <Divider className="!my-1" />
             </>
           ) : null}
 
           {exif.flash ? (
             <>
-              <InfoItem label="Flash" value={exif.flash} />
+              <InfoItem label="闪光灯" value={exif.flash} />
               <Divider className="!my-1" />
             </>
           ) : null}
@@ -453,19 +453,19 @@ function ExifDisplay({ exif }: { exif: ExifInfo }) {
           className="space-y-4"
         >
           <h3 className="text-lg font-semibold text-primary select-text">
-            Date Information
+            日期信息
           </h3>
 
           {exif.dateTimeOriginal ? (
             <>
-              <InfoItem label="Date Taken" value={exif.dateTimeOriginal} />
+              <InfoItem label="拍摄日期" value={exif.dateTimeOriginal} />
               <Divider className="!my-2" />
             </>
           ) : null}
 
           {exif.dateTimeDigitized ? (
             <>
-              <InfoItem label="Date Digitized" value={exif.dateTimeDigitized} />
+              <InfoItem label="数字化日期" value={exif.dateTimeDigitized} />
               <Divider className="!my-2" />
             </>
           ) : null}
@@ -480,19 +480,19 @@ function ExifDisplay({ exif }: { exif: ExifInfo }) {
           className="space-y-4"
         >
           <h3 className="text-lg font-semibold text-primary select-text">
-            Copyright Information
+            版权信息
           </h3>
 
           {exif.artist ? (
             <>
-              <InfoItem label="Artist" value={exif.artist} />
+              <InfoItem label="艺术家" value={exif.artist} />
               <Divider className="!my-2" />
             </>
           ) : null}
 
           {exif.copyright ? (
             <>
-              <InfoItem label="Copyright" value={exif.copyright} />
+              <InfoItem label="版权" value={exif.copyright} />
               <Divider className="!my-2" />
             </>
           ) : null}
@@ -507,13 +507,13 @@ function ExifDisplay({ exif }: { exif: ExifInfo }) {
           className="space-y-4"
         >
           <h3 className="text-lg font-semibold text-primary select-text">
-            GPS Information
+            GPS 信息
           </h3>
 
           {exif.gpsCoordinates ? (
             <>
               <InfoItem
-                label="Coordinates"
+                label="坐标"
                 value={`${exif.gpsCoordinates[0].toFixed(6)}°, ${exif.gpsCoordinates[1].toFixed(6)}°`}
               />
               <Divider className="!my-2" />
@@ -532,7 +532,7 @@ function ExifDisplay({ exif }: { exif: ExifInfo }) {
           >
             <div className="space-y-2">
               <h3 className="text-lg font-semibold text-primary select-text">
-                All Tags
+                所有标签
               </h3>
               {exif.tags.map((tag, index) => (
                 <div key={index}>
diff --git a/src/routes/(root)/ui/MediaConfig.tsx b/src/routes/(root)/ui/MediaConfig.tsx
index f1763ce8..28c2ce59 100644
--- a/src/routes/(root)/ui/MediaConfig.tsx
+++ b/src/routes/(root)/ui/MediaConfig.tsx
@@ -47,7 +47,7 @@ function MediaConfig() {
               {...zoomInTransition}
             >
               <Tabs
-                aria-label="Media Filter"
+                aria-label="媒体筛选"
                 size="sm"
                 selectedKey={activeTab}
                 onSelectionChange={(t) => {
@@ -59,9 +59,9 @@ function MediaConfig() {
                   tab: 'h-5',
                 }}
               >
-                <Tab key="all" value="all" title="All" />
-                <Tab key="videos" value="videos" title="Videos" />
-                <Tab key="images" value="images" title="Images" />
+                <Tab key="all" value="all" title="全部" />
+                <Tab key="videos" value="videos" title="视频" />
+                <Tab key="images" value="images" title="图片" />
               </Tabs>
             </motion.div>
           ) : null}
@@ -83,8 +83,8 @@ function MediaConfig() {
             <Title
               title={
                 media.length === 1 || selectedMediaIndexForCustomization > -1
-                  ? 'Output Settings'
-                  : 'Batch Settings'
+                  ? '输出设置'
+                  : '批量设置'
               }
               className="text-xl font-bold"
             />
diff --git a/src/routes/(root)/ui/MediaThumbnail.tsx b/src/routes/(root)/ui/MediaThumbnail.tsx
index 06a19286..94a2fb75 100644
--- a/src/routes/(root)/ui/MediaThumbnail.tsx
+++ b/src/routes/(root)/ui/MediaThumbnail.tsx
@@ -82,7 +82,7 @@ function MediaThumbnail({ mediaIndex }: MediaThumbnailProps) {
       !mediaPathRaw ||
       !playerRef.current
     ) {
-      toast.error('Unable to copy frame')
+      toast.error('无法复制帧')
       return
     }
 
@@ -101,9 +101,9 @@ function MediaThumbnail({ mediaIndex }: MediaThumbnailProps) {
       const result = await generateVideoThumbnail(mediaPathRaw, timestamp)
 
       await copyFileToClipboard(result.filePath)
-      toast.success('Frame copied to clipboard')
+      toast.success('帧已复制到剪贴板')
     } catch {
-      toast.error('Failed to copy frame to clipboard')
+      toast.error('复制帧到剪贴板失败')
     } finally {
       setIsCopyingFrame(false)
     }
@@ -342,7 +342,7 @@ function MediaThumbnail({ mediaIndex }: MediaThumbnailProps) {
                         disabled={isCopyingFrame}
                       >
                         <Icon name="copy" size={20} />
-                        <span>Copy current frame</span>
+                        <span>复制当前帧</span>
                       </button>
                     </div>
                   ) : null
@@ -366,7 +366,7 @@ function MediaThumbnail({ mediaIndex }: MediaThumbnailProps) {
                 disableClosedCaptions
                 onError={(error: any) => {
                   if (error.name !== 'AbortError') {
-                    toast.warning('Switching to image thumbnail...')
+                    toast.warning('正在切换到图片缩略图...')
                     if (appProxy.state.media[mediaIndex].type === 'video') {
                       appProxy.state.media[mediaIndex].previewMode = 'image'
                     }
@@ -466,7 +466,7 @@ function MediaThumbnail({ mediaIndex }: MediaThumbnailProps) {
                         className="!p-0 !min-h-0 !py-2 !w-[unset] !min-w-[unset] !h-0 "
                       >
                         <Tooltip
-                          content="Regenerate Thumbnail"
+                          content="重新生成缩略图"
                           className="w-0! h-0!"
                         >
                           <Icon name="image" size={20} />
@@ -487,7 +487,7 @@ function MediaThumbnail({ mediaIndex }: MediaThumbnailProps) {
                   >
                     <PhotoView src={imageToRenderSrc!}>
                       <div>
-                        <Tooltip content="Enlarge image">
+                        <Tooltip content="放大图片">
                           <Icon
                             name="zoom"
                             size={18}
diff --git a/src/routes/(root)/ui/MediaTransformer.tsx b/src/routes/(root)/ui/MediaTransformer.tsx
index 31ebb7b3..000e3887 100644
--- a/src/routes/(root)/ui/MediaTransformer.tsx
+++ b/src/routes/(root)/ui/MediaTransformer.tsx
@@ -268,7 +268,7 @@ function Transformer({
       <div className="mx-auto flex items-center justify-center gap-2 mt-4">
         <>
           <Button size="sm" isIconOnly onPress={() => rotate(-90)}>
-            <Tooltip content="Rotate Left" aria-label="Rotate Left">
+            <Tooltip content="向左旋转" aria-label="向左旋转">
               <Icon name="rotateLeft" size={20} />
             </Tooltip>
           </Button>
@@ -276,7 +276,7 @@ function Transformer({
         </>
         <>
           <Button size="sm" isIconOnly onPress={() => flip(false, true)}>
-            <Tooltip content="Flip Vertical" aria-label="Flip Vertical">
+            <Tooltip content="垂直翻转" aria-label="垂直翻转">
               <Icon name="flipVertical" size={20} />
             </Tooltip>
           </Button>
@@ -284,7 +284,7 @@ function Transformer({
         </>
         <>
           <Button size="sm" isIconOnly onPress={() => flip(true, false)}>
-            <Tooltip content="Flip Horizontal" aria-label="Flip Horizontal">
+            <Tooltip content="水平翻转" aria-label="水平翻转">
               <Icon name="flipHorizontal" size={20} />
             </Tooltip>
           </Button>
@@ -292,7 +292,7 @@ function Transformer({
         </>
         <>
           <Button size="sm" isIconOnly onPress={resetZoom}>
-            <Tooltip content="Reset Zoom" aria-label="Reset Zoom">
+            <Tooltip content="重置缩放" aria-label="重置缩放">
               <Icon name="zoom" size={20} />
             </Tooltip>
             <Divider className="my-3 h-5" orientation="vertical" />
@@ -301,7 +301,7 @@ function Transformer({
         </>
         <>
           <Button size="sm" isIconOnly onPress={expandCropArea}>
-            <Tooltip content="Expand" aria-label="Expand">
+            <Tooltip content="展开" aria-label="展开">
               <Icon name="expand" size={20} />
             </Tooltip>
           </Button>
diff --git a/src/routes/(root)/ui/PreviewBatchMedia.tsx b/src/routes/(root)/ui/PreviewBatchMedia.tsx
index 1ea3607f..cfc7f79d 100644
--- a/src/routes/(root)/ui/PreviewBatchMedia.tsx
+++ b/src/routes/(root)/ui/PreviewBatchMedia.tsx
@@ -146,7 +146,7 @@ function PreviewBatchMedia() {
   const handleCopyToClipboard = useCallback(async (savedPath: string) => {
     try {
       await copyFileToClipboard(savedPath)
-      toast.success('Copied to clipboard.')
+      toast.success('已复制到剪贴板。')
     } catch {}
   }, [])
 
@@ -206,7 +206,7 @@ function PreviewBatchMedia() {
 
     if (activeTab === 'videos') {
       return {
-        label: 'Videos',
+        label: '视频',
         count: compressionStats.displayTotalVideos,
         cancelledCount: compressionStats.cancelledVideosCount,
         totalMedia,
@@ -219,7 +219,7 @@ function PreviewBatchMedia() {
       }
     } else if (activeTab === 'images') {
       return {
-        label: 'Images',
+        label: '图片',
         count: compressionStats.displayTotalImages,
         cancelledCount: compressionStats.cancelledImagesCount,
         totalMedia,
@@ -232,7 +232,7 @@ function PreviewBatchMedia() {
       }
     }
     return {
-      label: 'Media',
+      label: '媒体',
       count: compressionStats.displayTotalMedia,
       cancelledCount: compressionStats.cancelledMediaCount,
       totalMedia,
@@ -326,8 +326,8 @@ function PreviewBatchMedia() {
                           <>
                             {/* Can copy to output immediately after it's process is completed. no need to wait for other processes */}
                             <Tooltip
-                              content="Copy output to clipboard"
-                              aria-label="Copy output to clipboard"
+                              content="复制输出到剪贴板"
+                              aria-label="复制输出到剪贴板"
                             >
                               <Button
                                 size="sm"
@@ -350,8 +350,8 @@ function PreviewBatchMedia() {
                             </Tooltip>
                             {!isCompressing ? (
                               <Tooltip
-                                content="Compare output"
-                                aria-label="Compare output"
+                                content="比较输出"
+                                aria-label="比较输出"
                               >
                                 <Button
                                   size="sm"
@@ -379,8 +379,8 @@ function PreviewBatchMedia() {
                         mediaFile?.compressedFile?.savedPath ? (
                           <div>
                             <Tooltip
-                              content="Show in File Explorer"
-                              aria-label="Show in File Explorer"
+                              content="在文件管理器中显示"
+                              aria-label="在文件管理器中显示"
                             >
                               <Button
                                 size="sm"
@@ -445,7 +445,7 @@ function PreviewBatchMedia() {
                                 track: 'dark:stroke-white/50',
                                 value: 'text-[12px] text-white1',
                               }}
-                              aria-label="Processing"
+                              aria-label="处理中"
                             />
                           ) : (
                             <Spinner className="absolute left-1/2 top-1/2 z-20 -translate-x-1/2 -translate-y-1/2" />
@@ -507,7 +507,7 @@ function PreviewBatchMedia() {
                           <>
                             <div className="text-[11px] xl:text-[12px] xxl:text-[12px] 3xl:text-[12.5px]">
                               <p className=" text-gray-600 dark:text-gray-400 mb-1">
-                                Input Size
+                                输入大小
                               </p>
                               <span className="block font-black">
                                 {mediaFile.size}
@@ -637,7 +637,7 @@ function PreviewBatchMedia() {
               </div>
               <Divider orientation="vertical" className="h-8" />
               <div>
-                <p className=" text-gray-600 dark:text-gray-400">Input Size</p>
+                <p className=" text-gray-600 dark:text-gray-400">输入大小</p>
                 <p
                   className={cn(
                     'font-black text-lg',
diff --git a/src/routes/(root)/ui/PreviewSingleMedia.tsx b/src/routes/(root)/ui/PreviewSingleMedia.tsx
index 63ec91cc..fa9ae2c4 100644
--- a/src/routes/(root)/ui/PreviewSingleMedia.tsx
+++ b/src/routes/(root)/ui/PreviewSingleMedia.tsx
@@ -106,7 +106,7 @@ function PreviewSingleMedia({ mediaIndex }: PreviewSingleMediaProps) {
             }}
           >
             <div className="flex justify-center items-center">
-              <span className="block mr-2 text-sm">Compare</span>
+              <span className="block mr-2 text-sm">对比</span>
               <Icon name="compare" />
             </div>
           </Switch>
@@ -143,7 +143,7 @@ function PreviewSingleMedia({ mediaIndex }: PreviewSingleMediaProps) {
                 {compressedSizeDiff.toFixed(2)?.endsWith('.00')
                   ? compressedSizeDiff.toFixed(2)?.slice(0, -3)
                   : compressedSizeDiff.toFixed(2)}
-                %<span className="text-large block">smaller</span>
+                %<span className="text-large block">更小</span>
               </p>
             ) : null}
           </section>
@@ -151,14 +151,14 @@ function PreviewSingleMedia({ mediaIndex }: PreviewSingleMediaProps) {
           <section className={cn(['my-4 mb-2', styles.videoMetadata])}>
             <>
               <div>
-                <p className=" text-gray-600 dark:text-gray-400">Size</p>
+                <p className=" text-gray-600 dark:text-gray-400">大小</p>
                 <span className="block font-black">{mediaSize}</span>
               </div>
               <Divider orientation="vertical" className="h-8" />
             </>
             <>
               <div>
-                <p className=" text-gray-600 dark:text-gray-400">Extension</p>
+                <p className=" text-gray-600 dark:text-gray-400">格式</p>
                 <span className="block font-black">
                   {mediaExtension ?? '-'}
                 </span>
@@ -169,7 +169,7 @@ function PreviewSingleMedia({ mediaIndex }: PreviewSingleMediaProps) {
             {videoDuration ? (
               <>
                 <div>
-                  <p className=" text-gray-600 dark:text-gray-400">Duration</p>
+                  <p className=" text-gray-600 dark:text-gray-400">时长</p>
                   <span className="block font-black">
                     {formatDuration(videoDuration) ?? '-'}
                   </span>
@@ -182,7 +182,7 @@ function PreviewSingleMedia({ mediaIndex }: PreviewSingleMediaProps) {
                 <>
                   <div>
                     <p className=" text-gray-600 dark:text-gray-400">
-                      Dimensions
+                      尺寸
                     </p>
                     <span className="block font-black">
                       {dimensions.width ?? '-'} x {dimensions.height ?? '-'}
diff --git a/src/routes/(root)/ui/SaveMedia.tsx b/src/routes/(root)/ui/SaveMedia.tsx
index 266fccf1..54df8cc4 100644
--- a/src/routes/(root)/ui/SaveMedia.tsx
+++ b/src/routes/(root)/ui/SaveMedia.tsx
@@ -32,14 +32,14 @@ function SaveMedia() {
         if (isBatch) {
           const selectedDirectory = await open({
             directory: true,
-            title: 'Choose directory to save the compressed media.',
+            title: '选择保存压缩后媒体的目录。',
           })
           if (selectedDirectory) {
             pathToSave = selectedDirectory as string
           }
         } else {
           pathToSave = await save({
-            title: 'Choose location to save the compressed media.',
+            title: '选择保存压缩后媒体的位置。',
             defaultPath: `compressO-${compressedFile?.fileNameToDisplay ?? fileName ?? ''}`,
           })
         }
@@ -96,7 +96,7 @@ function SaveMedia() {
           }
         }
       } catch (_) {
-        toast.error('Could not save media to the given path.')
+        toast.error('无法将媒体保存到指定路径。')
         for (let i = 0; i < media.length; i++) {
           appProxy.state.media[i].compressedFile = {
             ...(snapshot(appProxy).state.media[i].compressedFile ?? {}),
@@ -134,7 +134,7 @@ function SaveMedia() {
 
     try {
       await copyFileToClipboard(savedPath)
-      toast.success('Copied to clipboard.')
+      toast.success('已复制到剪贴板。')
     } catch {}
   }
 
@@ -148,7 +148,7 @@ function SaveMedia() {
         isDisabled={isSaving || isSaved}
         fullWidth
       >
-        {isSaving ? 'Saving...' : isSaved ? 'Saved' : `Save Media`}
+        {isSaving ? '保存中...' : isSaved ? '已保存' : '保存媒体'}
         {!isSaving ? (
           <Icon
             name={isSaved ? 'tick' : 'download'}
@@ -159,8 +159,8 @@ function SaveMedia() {
       {isSaved ? (
         <>
           <Tooltip
-            content="Show in File Explorer"
-            aria-label="Show in File Explorer"
+            content="在文件管理器中显示"
+            aria-label="在文件管理器中显示"
           >
             <Button
               isIconOnly
@@ -176,8 +176,8 @@ function SaveMedia() {
       mediaFile?.isProcessCompleted &&
       mediaFile?.compressedFile?.isSuccessful ? (
         <Tooltip
-          content="Copy output to clipboard"
-          aria-label="Copy output to clipboard"
+          content="复制输出到剪贴板"
+          aria-label="复制输出到剪贴板"
         >
           <Button
             isIconOnly
diff --git a/src/routes/(root)/ui/StartCompression.tsx b/src/routes/(root)/ui/StartCompression.tsx
index 87892604..ce05d319 100644
--- a/src/routes/(root)/ui/StartCompression.tsx
+++ b/src/routes/(root)/ui/StartCompression.tsx
@@ -303,7 +303,7 @@ function StartCompression() {
       }
     } catch (error) {
       if (error !== 'CANCELLED') {
-        toast.error('Something went wrong during compression.')
+        toast.error('压缩过程中出现问题。')
         appProxy.timeTravel('beforeCompressionStarted')
       }
     }
@@ -323,7 +323,7 @@ function StartCompression() {
           className="w-full text-primary bg-primary/20"
           isDisabled={isLoadingMediaFiles}
         >
-          Process
+          开始压缩
         </Button>
       )}
     </div>
diff --git a/src/routes/(root)/ui/VideoInfo.tsx b/src/routes/(root)/ui/VideoInfo.tsx
index bd381047..8c25f8ed 100644
--- a/src/routes/(root)/ui/VideoInfo.tsx
+++ b/src/routes/(root)/ui/VideoInfo.tsx
@@ -48,27 +48,27 @@ type VideoInfoProps = {
 const TABS = {
   container: {
     id: 'container',
-    title: 'Container',
+    title: '容器',
   },
   video: {
     id: 'video',
-    title: 'Video',
+    title: '视频',
   },
   audio: {
     id: 'audio',
-    title: 'Audio',
+    title: '音频',
   },
   subtitles: {
     id: 'subtitles',
-    title: 'Subtitles',
+    title: '字幕',
   },
   chapters: {
     id: 'chapters',
-    title: 'Chapters',
+    title: '章节',
   },
   metadata: {
     id: 'metadata',
-    title: 'Metadata',
+    title: '元数据',
   },
 } as const
 
@@ -188,7 +188,7 @@ function VideoInfo({ mediaIndex, onClose }: VideoInfoProps) {
     <section className="w-full h-full bg-white1 dark:bg-black1 p-6">
       <div className="w-full flex justify-center">
         <Tabs
-          aria-label="Video Information"
+          aria-label="视频信息"
           size="sm"
           selectedKey={tab}
           onSelectionChange={(t) => setTab(t as keyof typeof TABS)}
@@ -250,7 +250,7 @@ function ContainerInfoDisplay({ info }: { info: ContainerInfo }) {
       {info.filename ? (
         <>
           <InfoItem
-            label="Full Path"
+            label="完整路径"
             value={
               <Code size="sm" className="text-xs max-w-[100%] truncate">
                 {info.filename}
@@ -263,14 +263,14 @@ function ContainerInfoDisplay({ info }: { info: ContainerInfo }) {
 
       {info.formatName ? (
         <>
-          <InfoItem label="Format Name" value={info.formatName} />
+          <InfoItem label="格式名称" value={info.formatName} />
           <Divider className="my-1" />
         </>
       ) : null}
 
       {info.formatLongName ? (
         <>
-          <InfoItem label="Format" value={info.formatLongName} />
+          <InfoItem label="格式" value={info.formatLongName} />
           <Divider className="my-1" />
         </>
       ) : null}
@@ -278,7 +278,7 @@ function ContainerInfoDisplay({ info }: { info: ContainerInfo }) {
       {info.duration ? (
         <>
           <InfoItem
-            label="Duration"
+            label="时长"
             value={`${formatDuration(info.duration)}`}
           />
           <Divider className="my-1" />
@@ -287,7 +287,7 @@ function ContainerInfoDisplay({ info }: { info: ContainerInfo }) {
 
       {info.size > 0 ? (
         <>
-          <InfoItem label="Size" value={formatBytes(info.size)} />
+          <InfoItem label="大小" value={formatBytes(info.size)} />
           <Divider className="my-1" />
         </>
       ) : null}
@@ -295,7 +295,7 @@ function ContainerInfoDisplay({ info }: { info: ContainerInfo }) {
       {info.bitRate ? (
         <>
           <InfoItem
-            label="Bitrate"
+            label="比特率"
             value={`${(info.bitRate / 1000).toFixed(0)} kbps`}
           />
           <Divider className="my-1" />
@@ -304,7 +304,7 @@ function ContainerInfoDisplay({ info }: { info: ContainerInfo }) {
 
       {info.nbStreams > 0 ? (
         <>
-          <InfoItem label="Total Streams" value={info.nbStreams.toString()} />
+          <InfoItem label="总流数" value={info.nbStreams.toString()} />
           <Divider className="my-1" />
         </>
       ) : null}
@@ -316,7 +316,7 @@ function MetadataDisplay({ info }: { info: ContainerInfo }) {
   if (!info.tags || info.tags.length === 0) {
     return (
       <p className="text-center text-zinc-500 py-8 select-text">
-        No metadata found
+        未找到元数据
       </p>
     )
   }
@@ -352,29 +352,29 @@ function VideoStreamsDisplay({ streams }: { streams: VideoStream[] }) {
           className="space-y-4"
         >
           <h3 className="text-lg font-semibold text-primary select-text">
-            Video Stream {streams.length > 1 ? `${index + 1}` : ''}
+            视频流 {streams.length > 1 ? `${index + 1}` : ''}
           </h3>
 
           <InfoItem
-            label="Codec"
+            label="编解码器"
             value={`${stream.codec} (${stream.codecLongName ?? 'N/A'})`}
           />
           <Divider className="my-3" />
 
           {stream.profile && (
             <>
-              <InfoItem label="Profile" value={stream.profile} />
+              <InfoItem label="配置档" value={stream.profile} />
               <Divider className="my-3" />
             </>
           )}
 
           <div className="grid grid-cols-2 gap-4">
             <div>
-              <InfoItem label="Width" value={`${stream.width ?? '-'}px`} />
+              <InfoItem label="宽度" value={`${stream.width ?? '-'}px`} />
               <Divider className="my-3" />
             </div>
             <div>
-              <InfoItem label="Height" value={`${stream.height ?? '-'}px`} />
+              <InfoItem label="高度" value={`${stream.height ?? '-'}px`} />
               <Divider className="my-3" />
             </div>
           </div>
@@ -387,14 +387,14 @@ function VideoStreamsDisplay({ streams }: { streams: VideoStream[] }) {
               <div className="grid grid-cols-2 gap-4">
                 <div>
                   <InfoItem
-                    label="Coded Width"
+                    label="编码宽度"
                     value={`${stream.codedWidth ?? '-'}px`}
                   />
                   <Divider className="my-3" />
                 </div>
                 <div>
                   <InfoItem
-                    label="Coded Height"
+                    label="编码高度"
                     value={`${stream.codedHeight ?? '-'}px`}
                   />
                   <Divider className="my-3" />
@@ -405,56 +405,56 @@ function VideoStreamsDisplay({ streams }: { streams: VideoStream[] }) {
 
           <div className="grid grid-cols-2 gap-4">
             <div>
-              <InfoItem label="Frame Rate" value={stream.rFrameRate} />
+              <InfoItem label="帧率" value={stream.rFrameRate} />
               <Divider className="my-3" />
             </div>
             <div>
-              <InfoItem label="Avg Frame Rate" value={stream.avgFrameRate} />
+              <InfoItem label="平均帧率" value={stream.avgFrameRate} />
               <Divider className="my-3" />
             </div>
           </div>
 
-          <InfoItem label="Pixel Format" value={stream.pixFmt} />
+          <InfoItem label="像素格式" value={stream.pixFmt} />
           <Divider className="my-3" />
 
           {stream.colorSpace ? (
             <>
-              <InfoItem label="Color Space" value={stream.colorSpace} />
+              <InfoItem label="色彩空间" value={stream.colorSpace} />
               <Divider className="my-3" />
             </>
           ) : null}
 
           {stream.colorRange ? (
             <>
-              <InfoItem label="Color Range" value={stream.colorRange} />
+              <InfoItem label="色彩范围" value={stream.colorRange} />
               <Divider className="my-3" />
             </>
           ) : null}
 
           {stream.colorPrimaries ? (
             <>
-              <InfoItem label="Color Primaries" value={stream.colorPrimaries} />
+              <InfoItem label="色彩原色" value={stream.colorPrimaries} />
               <Divider className="my-3" />
             </>
           ) : null}
 
           {stream.colorTransfer ? (
             <>
-              <InfoItem label="Color Transfer" value={stream.colorTransfer} />
+              <InfoItem label="色彩转换" value={stream.colorTransfer} />
               <Divider className="my-3" />
             </>
           ) : null}
 
           {stream.chromaLocation ? (
             <>
-              <InfoItem label="Chroma Location" value={stream.chromaLocation} />
+              <InfoItem label="色度位置" value={stream.chromaLocation} />
               <Divider className="my-3" />
             </>
           ) : null}
 
           {stream.bitRate ? (
             <>
-              <InfoItem label="Bitrate" value={stream.bitRate} />
+              <InfoItem label="比特率" value={stream.bitRate} />
               <Divider className="my-3" />
             </>
           ) : null}
@@ -462,7 +462,7 @@ function VideoStreamsDisplay({ streams }: { streams: VideoStream[] }) {
           {stream.duration ? (
             <>
               <InfoItem
-                label="Duration"
+                label="时长"
                 value={formatDuration(+stream.duration)}
               />
               <Divider className="my-3" />
@@ -471,7 +471,7 @@ function VideoStreamsDisplay({ streams }: { streams: VideoStream[] }) {
 
           {stream.nbFrames ? (
             <>
-              <InfoItem label="Total Frames" value={stream.nbFrames} />
+              <InfoItem label="总帧数" value={stream.nbFrames} />
               <Divider className="my-3" />
             </>
           ) : null}
@@ -479,7 +479,7 @@ function VideoStreamsDisplay({ streams }: { streams: VideoStream[] }) {
           {stream.refs ? (
             <>
               <InfoItem
-                label="Reference Frames"
+                label="参考帧"
                 value={stream.refs.toString()}
               />
               <Divider className="my-3" />
@@ -488,35 +488,35 @@ function VideoStreamsDisplay({ streams }: { streams: VideoStream[] }) {
 
           {stream.gopSize ? (
             <>
-              <InfoItem label="GOP Size" value={stream.gopSize.toString()} />
+              <InfoItem label="GOP 大小" value={stream.gopSize.toString()} />
               <Divider className="my-3" />
             </>
           ) : null}
 
           {stream.level ? (
             <>
-              <InfoItem label="Codec Level" value={stream.level.toString()} />
+              <InfoItem label="编解码级别" value={stream.level.toString()} />
               <Divider className="my-3" />
             </>
           ) : null}
 
           {stream.fieldOrder && stream.fieldOrder !== 'progressive' ? (
             <>
-              <InfoItem label="Field Order" value={stream.fieldOrder} />
+              <InfoItem label="场序" value={stream.fieldOrder} />
               <Divider className="my-3" />
             </>
           ) : null}
 
           {stream.timeBase && stream.timeBase !== '0/0' ? (
             <>
-              <InfoItem label="Time Base" value={stream.timeBase} />
+              <InfoItem label="时间基准" value={stream.timeBase} />
               <Divider className="my-3" />
             </>
           ) : null}
 
           {stream.rotation && stream.rotation !== 0 ? (
             <>
-              <InfoItem label="Rotation" value={`${stream.rotation}°`} />
+              <InfoItem label="旋转" value={`${stream.rotation}°`} />
               <Divider className="my-3" />
             </>
           ) : null}
@@ -530,7 +530,7 @@ function AudioStreamsDisplay({ streams }: { streams: AudioStream[] }) {
   if (streams.length === 0) {
     return (
       <p className="text-center text-zinc-500 py-8 select-text">
-        No audio streams found
+        未找到音频流
       </p>
     )
   }
@@ -546,28 +546,28 @@ function AudioStreamsDisplay({ streams }: { streams: AudioStream[] }) {
           className="space-y-4"
         >
           <h3 className="text-lg font-semibold text-primary select-text">
-            Audio Stream {streams.length > 1 ? `${index + 1}` : ''}
+            音频流 {streams.length > 1 ? `${index + 1}` : ''}
           </h3>
 
           <InfoItem
-            label="Codec"
+            label="编解码器"
             value={`${upperCase(stream.codec ?? 'N/A')} / ${stream.codecLongName ?? 'N/A'}`}
           />
           <Divider className="my-3" />
 
           {stream.profile ? (
             <>
-              <InfoItem label="Profile" value={stream.profile} />
+              <InfoItem label="配置档" value={stream.profile} />
               <Divider className="my-3" />
             </>
           ) : null}
 
-          <InfoItem label="Channels" value={stream.channels} />
+          <InfoItem label="声道数" value={stream.channels} />
           <Divider className="my-3" />
 
           {stream.channelLayout ? (
             <>
-              <InfoItem label="Channel Layout" value={stream.channelLayout} />
+              <InfoItem label="声道布局" value={stream.channelLayout} />
               <Divider className="my-3" />
             </>
           ) : null}
@@ -575,7 +575,7 @@ function AudioStreamsDisplay({ streams }: { streams: AudioStream[] }) {
           {stream.sampleRate ? (
             <>
               <InfoItem
-                label="Sample Rate"
+                label="采样率"
                 value={`${stream.sampleRate ?? 'N/A'} Hz`}
               />
               <Divider className="my-3" />
@@ -584,7 +584,7 @@ function AudioStreamsDisplay({ streams }: { streams: AudioStream[] }) {
 
           {stream.sampleFmt ? (
             <>
-              <InfoItem label="Sample Format" value={stream.sampleFmt} />
+              <InfoItem label="采样格式" value={stream.sampleFmt} />
               <Divider className="my-3" />
             </>
           ) : null}
@@ -592,7 +592,7 @@ function AudioStreamsDisplay({ streams }: { streams: AudioStream[] }) {
           {stream.bitsPerSample ? (
             <>
               <InfoItem
-                label="Bits Per Sample"
+                label="每样本位数"
                 value={stream.bitsPerSample.toString()}
               />
               <Divider className="my-3" />
@@ -602,7 +602,7 @@ function AudioStreamsDisplay({ streams }: { streams: AudioStream[] }) {
           {stream.bitRate ? (
             <>
               <InfoItem
-                label="Bitrate"
+                label="比特率"
                 value={`${formatBytes(+stream.bitRate).toLowerCase?.() ?? '-'}ps (${stream.bitRate})`}
               />
               <Divider className="my-3" />
@@ -612,7 +612,7 @@ function AudioStreamsDisplay({ streams }: { streams: AudioStream[] }) {
           {stream.duration ? (
             <>
               <InfoItem
-                label="Duration"
+                label="时长"
                 value={formatDuration(+stream.duration)}
               />
               <Divider className="my-3" />
@@ -621,7 +621,7 @@ function AudioStreamsDisplay({ streams }: { streams: AudioStream[] }) {
 
           {stream.tags && stream.tags.length > 0 ? (
             <div>
-              <InfoItem label="Metadata Tags" value=" " />
+              <InfoItem label="元数据标签" value=" " />
               <div className="mt-2 space-y-2 mx-4">
                 {stream.tags.map(([key, value]) => (
                   <div key={key} className="select-text">
@@ -678,7 +678,7 @@ function SubtitleStreamsDisplay({
   if (streams.length === 0) {
     return (
       <p className="text-center text-zinc-500 py-8 select-text">
-        No subtitle streams found
+        未找到字幕流
       </p>
     )
   }
@@ -689,7 +689,7 @@ function SubtitleStreamsDisplay({
     format: SubtitleFormat,
   ) => {
     if (!videoPath) {
-      toast.error('Video path not available')
+      toast.error('视频路径不可用')
       return
     }
 
@@ -704,7 +704,7 @@ function SubtitleStreamsDisplay({
         defaultPath: defaultFileName,
         filters: [
           {
-            name: 'Subtitle Files',
+            name: '字幕文件',
             extensions: ['srt', 'vtt'],
           },
         ],
@@ -717,7 +717,7 @@ function SubtitleStreamsDisplay({
 
       await extractSubtitle(videoPath, stream.index, filePath, format)
 
-      toast.success(`Subtitle extracted and saved as ${format.toUpperCase()}.`)
+      toast.success(`字幕已提取并保存为 ${format.toUpperCase()}。`)
     } catch {
       //
     } finally {
@@ -740,7 +740,7 @@ function SubtitleStreamsDisplay({
           >
             <div className="flex items-center justify-between">
               <h3 className="text-lg font-semibold text-primary select-text">
-                Subtitle Stream {index + 1}
+                字幕流 {index + 1}
               </h3>
               <div className="flex items-center">
                 {!isExtractable ? (
@@ -752,10 +752,9 @@ function SubtitleStreamsDisplay({
                     </PopoverTrigger>
                     <PopoverContent className="max-w-xs">
                       <p className="text-xs text-amber-600 dark:text-amber-400 select-text max-w-[250px]">
-                        This subtitle format ({stream.codec}) cannot be
-                        converted to SRT. It is likely an image-based format
-                        (e.g., Blu-ray PGS or DVD VobSub). Thus, it is not
-                        downloadable.
+                        此字幕格式（{stream.codec}）无法转换为
+                        SRT。它可能是基于图像的格式
+                        （例如蓝光 PGS 或 DVD VobSub），因此无法下载。
                       </p>
                     </PopoverContent>
                   </Popover>
@@ -780,10 +779,10 @@ function SubtitleStreamsDisplay({
                     }
                   >
                     {downloadingIndex === index
-                      ? 'Downloading...'
+                      ? '下载中...'
                       : !isExtractable
-                        ? 'Unsupported'
-                        : `Download as ${formatConfig.name}`}
+                        ? '不支持'
+                        : `下载为 ${formatConfig.name}`}
                   </Button>
                   <Dropdown size="sm">
                     <DropdownTrigger>
@@ -793,7 +792,7 @@ function SubtitleStreamsDisplay({
                     </DropdownTrigger>
                     <DropdownMenu
                       disallowEmptySelection
-                      aria-label="Subtitle format"
+                      aria-label="字幕格式"
                       selectedKeys={new Set([selectedFormat])}
                       selectionMode="single"
                       onSelectionChange={(keys) => {
@@ -814,21 +813,21 @@ function SubtitleStreamsDisplay({
             </div>
 
             <InfoItem
-              label="Codec"
+              label="编解码器"
               value={`${stream.codec} (${stream.codecLongName})`}
             />
             <Divider className="my-3" />
 
             {stream.language ? (
               <>
-                <InfoItem label="Language" value={stream.language} />
+                <InfoItem label="语言" value={stream.language} />
                 <Divider className="my-3" />
               </>
             ) : null}
 
             {stream.title ? (
               <>
-                <InfoItem label="Title" value={stream.title} />
+                <InfoItem label="标题" value={stream.title} />
                 <Divider className="my-3" />
               </>
             ) : null}
@@ -840,36 +839,36 @@ function SubtitleStreamsDisplay({
             stream.disposition.karaoke ||
             stream.disposition.lyrics ? (
               <div className="select-text">
-                <InfoItem label="Disposition" value=" " />
+                <InfoItem label="处置" value=" " />
                 <div className="mt-2 space-y-1 ml-4">
                   {stream.disposition.default ? (
                     <div className="text-zinc-600 dark:text-zinc-400 text-xs">
-                      - Default
+                      - 默认
                     </div>
                   ) : null}
                   {stream.disposition.forced ? (
                     <div className="text-zinc-600 dark:text-zinc-400 text-xs">
-                      - Forced
+                      - 强制
                     </div>
                   ) : null}
                   {stream.disposition.attachedPic ? (
                     <div className="text-zinc-600 dark:text-zinc-400 text-xs">
-                      - Attached Picture
+                      - 附加图片
                     </div>
                   ) : null}
                   {stream.disposition.comment ? (
                     <div className="text-zinc-600 dark:text-zinc-400 text-xs">
-                      - Comment
+                      - 评论
                     </div>
                   ) : null}
                   {stream.disposition.karaoke ? (
                     <div className="text-zinc-600 dark:text-zinc-400 text-xs">
-                      - Karaoke
+                      - 卡拉OK
                     </div>
                   ) : null}
                   {stream.disposition.lyrics ? (
                     <div className="text-zinc-600 dark:text-zinc-400 text-xs">
-                      - Lyrics
+                      - 歌词
                     </div>
                   ) : null}
                 </div>
@@ -886,7 +885,7 @@ function ChaptersDisplay({ chapters }: { chapters: Chapter[] }) {
   if (chapters.length === 0) {
     return (
       <p className="text-center text-zinc-500 py-8 select-text">
-        No chapters found
+        未找到章节
       </p>
     )
   }
@@ -902,7 +901,7 @@ function ChaptersDisplay({ chapters }: { chapters: Chapter[] }) {
         >
           <div className="flex items-start justify-between select-text">
             <h3 className="text-lg font-semibold text-primary">
-              Chapter {index + 1} {chapter.id ? `(#${chapter.id})` : ''}
+              章节 {index + 1} {chapter.id ? `(#${chapter.id})` : ''}
             </h3>
             {chapter.title && (
               <span className="text-sm text-zinc-600 dark:text-zinc-400 ml-4">
@@ -912,21 +911,21 @@ function ChaptersDisplay({ chapters }: { chapters: Chapter[] }) {
           </div>
 
           <div className="mt-3 space-y-4">
-            <InfoItem label="Start" value={`${chapter.start.toFixed(2)}s`} />
+            <InfoItem label="开始" value={`${chapter.start.toFixed(2)}s`} />
             <Divider className="my-3" />
 
-            <InfoItem label="End" value={`${chapter.end.toFixed(2)}s`} />
+            <InfoItem label="结束" value={`${chapter.end.toFixed(2)}s`} />
             <Divider className="my-3" />
 
             <InfoItem
-              label="Duration"
+              label="时长"
               value={`${formatDuration(chapter.end - chapter.start)}`}
             />
             <Divider className="my-3" />
 
             {chapter.timeBase && chapter.timeBase !== '0/0' ? (
               <>
-                <InfoItem label="Time Base" value={chapter.timeBase} />
+                <InfoItem label="时间基准" value={chapter.timeBase} />
                 <Divider className="my-3" />
               </>
             ) : null}
diff --git a/src/routes/(root)/ui/app-settings/About.tsx b/src/routes/(root)/ui/app-settings/About.tsx
index 8d3be3a0..4d538d1b 100644
--- a/src/routes/(root)/ui/app-settings/About.tsx
+++ b/src/routes/(root)/ui/app-settings/About.tsx
@@ -7,7 +7,7 @@ function About() {
   return (
     <section className="px-4 py-10 w-full">
       <section className="mb-2">
-        <Title title="About" iconProps={{ name: 'info' }} />
+        <Title title="关于" iconProps={{ name: 'info' }} />
       </section>
       <section>
         <div className="z-10 flex justify-center items-center flex-col">
@@ -26,7 +26,7 @@ function About() {
           </Link>
         </div>
         <p className="text-center italic text-gray-600 dark:text-gray-400 text-sm my-1">
-          Compress any image/video into a tiny size.
+          将图片/视频压缩到极小体积。
         </p>
         <p className="self-end text-zinc-600 dark:text-zinc-400 ml-2 text-lg font-bold text-center">
           v{window.__appVersion ?? ''}
@@ -34,8 +34,8 @@ function About() {
       </section>
       <section className="mt-8">
         <p className="text-center text-gray-600 dark:text-gray-400 text-sm my-1">
-          Made with <Icon className="inline text-primary" name="lowResHeart" />{' '}
-          in public by{' '}
+          用 <Icon className="inline text-primary" name="lowResHeart" />{' '}
+          公开构建，由{' '}
           <TauriLink href="https://codeforreal.com">Code For Real⚡</TauriLink>
         </p>
       </section>
@@ -50,13 +50,13 @@ function About() {
             href="https://github.com/codeforreal1/compressO"
             className="flex items-center gap-1"
           >
-            Free and open-source{' '}
+            免费且开源{' '}
           </Link>
           <Link
             className="text-xs"
             href="https://github.com/codeforreal1/compressO/blob/main/LICENSE"
           >
-            Licensed under AGPL-3.0
+            基于 AGPL-3.0 许可证
           </Link>
         </p>
       </section>
diff --git a/src/routes/(root)/ui/app-settings/Credits.tsx b/src/routes/(root)/ui/app-settings/Credits.tsx
index 9c3e2113..04442a1b 100644
--- a/src/routes/(root)/ui/app-settings/Credits.tsx
+++ b/src/routes/(root)/ui/app-settings/Credits.tsx
@@ -9,13 +9,12 @@ export default function Credits() {
     <div className="w-full py-10 pb-4 px-6">
       <section className="mb-4">
         <Title
-          title="Credits"
+          title="致谢"
           iconProps={{ name: 'lowResHeart' }}
           className="mb-6"
         />
         <p className="text-gray-600 dark:text-gray-400 text-[12px] text-center mt-1">
-          CompressO would not be possible without these incredible open-source
-          tools and libraries:
+          CompressO 的诞生离不开这些优秀的开源工具和库：
         </p>
       </section>
       <div className="grid grid-cols-2 gap-4">
@@ -35,7 +34,7 @@ export default function Credits() {
               href="https://ffmpeg.org/"
               className="text-xs text-primary hover:underline"
             >
-              Website
+              官网
             </Link>
             <Divider orientation="vertical" className="mx-1 h-4" />
             <Link
@@ -63,7 +62,7 @@ export default function Credits() {
               href="https://pngquant.org/"
               className="text-xs text-primary hover:underline"
             >
-              Website
+              官网
             </Link>
             <Divider orientation="vertical" className="mx-1 h-4" />
             <Link
@@ -112,7 +111,7 @@ export default function Credits() {
               href="https://gif.ski/"
               className="text-xs text-primary hover:underline"
             >
-              Website
+              官网
             </Link>
             <Divider orientation="vertical" className="mx-1 h-4" />
             <Link
@@ -126,9 +125,9 @@ export default function Credits() {
 
         <div className="text-center pt-2 col-span-full">
           <p className="text-xs text-gray-600 dark:text-gray-400">
-            Complete third-party notices and licenses is available{' '}
+            完整的第三方声明和许可证请查看{' '}
             <Link href="https://github.com/codeforreal1/compressO/blob/main/THIRD_PARTY_NOTICES.md">
-              here
+              这里
             </Link>
           </p>
         </div>
diff --git a/src/routes/(root)/ui/app-settings/Setting.tsx b/src/routes/(root)/ui/app-settings/Setting.tsx
index 9c9cd9af..cea681e0 100644
--- a/src/routes/(root)/ui/app-settings/Setting.tsx
+++ b/src/routes/(root)/ui/app-settings/Setting.tsx
@@ -43,8 +43,8 @@ function Setting() {
           <DropdownTrigger>
             <Button isIconOnly size="sm" variant="light">
               <Tooltip
-                content="Open Settings"
-                aria-label="Open Settings"
+                content="打开设置"
+                aria-label="打开设置"
                 placement="right"
               >
                 <Badge
@@ -61,20 +61,20 @@ function Setting() {
           </DropdownTrigger>
           <DropdownMenu
             variant="faded"
-            aria-label="Dropdown menu with description"
+            aria-label="设置下拉菜单"
             onAction={handleDropdownAction}
           >
             <DropdownItem key="settings" startContent={<Icon name="setting" />}>
-              Settings
+              设置
             </DropdownItem>
             <DropdownItem key="about" startContent={<Icon name="info" />}>
-              About
+              关于
             </DropdownItem>
             <DropdownItem
               key="credits"
               startContent={<Icon name="lowResHeart" />}
             >
-              Credits
+              致谢
             </DropdownItem>
             {hasNewVersion ? (
               <DropdownItem
@@ -82,7 +82,7 @@ function Setting() {
                 className="text-primary"
                 startContent={<Icon name="download" />}
               >
-                Update to {latestVersion}
+                更新到 {latestVersion}
               </DropdownItem>
             ) : null}
           </DropdownMenu>
@@ -118,10 +118,10 @@ function AppSetting() {
     setIsCacheDeleting(true)
     try {
       await invokeDeleteCache()
-      toast.success('All cache was cleared.')
+      toast.success('所有缓存已清除。')
       setConfirmClearCache(false)
     } catch (_) {
-      toast.error('There was a problem clearing cache.')
+      toast.error('清除缓存时出现问题。')
     }
     setIsCacheDeleting(false)
   }
@@ -129,24 +129,24 @@ function AppSetting() {
   return (
     <div className="w-full py-10 px-8">
       <section className="mb-6">
-        <Title title="Settings" iconProps={{ name: 'setting' }} />
+        <Title title="设置" iconProps={{ name: 'setting' }} />
       </section>
       <div className="mx-auto bg-zinc-100 dark:bg-zinc-800 rounded-lg px-4 py-3 overflow-hidden">
         <div className="flex justify-between items-center">
-          <p className="text-gray-600 dark:text-gray-400 text-sm">Theme</p>
+          <p className="text-gray-600 dark:text-gray-400 text-sm">主题</p>
           <ThemeSwitcher />
         </div>
         <Divider className="my-2 dark:bg-zinc-700" />
         <div className="flex justify-between items-center">
-          <p className="text-gray-600 dark:text-gray-400 text-sm">Color</p>
+          <p className="text-gray-600 dark:text-gray-400 text-sm">颜色</p>
           <ColorPicker color={color} onChange={setColor} />
         </div>
         <Divider className="my-2 dark:bg-zinc-700" />
         <div className="flex justify-between items-center">
-          <p className="dark:text-red-400 text-sm text-red-400">Clear Cache</p>
+          <p className="dark:text-red-400 text-sm text-red-400">清除缓存</p>
           <Tooltip
-            content="Clear cache"
-            aria-label="Clear cache"
+            content="清除缓存"
+            aria-label="清除缓存"
             placement="right"
             isDisabled={confirmClearCache}
           >
@@ -181,7 +181,7 @@ function AppSetting() {
                       }}
                       className="inline-block whitespace-nowrap"
                     >
-                      Clear Now
+                      立即清除
                     </motion.span>
                   ) : null}
                 </AnimatePresence>
@@ -213,14 +213,14 @@ function UpdateModal({ onClose }: UpdateModalProps) {
       await downloadAndInstallUpdateApp()
       onClose()
     } catch {
-      toast.error('Failed to install update. Please try again.')
+      toast.error('安装更新失败，请重试。')
     }
   }
 
   return (
     <div className="w-full py-10 pb-4 px-8">
       <section className="mb-6">
-        <Title title="Update Available" iconProps={{ name: 'download' }} />
+        <Title title="有可用更新" iconProps={{ name: 'download' }} />
       </section>
       <div>
         {isUpdateAvailable && latestVersion ? (
@@ -228,13 +228,13 @@ function UpdateModal({ onClose }: UpdateModalProps) {
             <div className="flex justify-between items-center mb-4">
               <div>
                 <p className="text-gray-600 dark:text-gray-400 text-xs">
-                  Current Version
+                  当前版本
                 </p>
                 <p className="font-bold text-sm">{currentVersion}</p>
               </div>
               <div className="text-right">
                 <p className="text-gray-600 dark:text-gray-400 text-xs">
-                  Latest Version
+                  最新版本
                 </p>
                 <p className="font-bold text-sm text-primary">
                   {latestVersion}
@@ -244,7 +244,7 @@ function UpdateModal({ onClose }: UpdateModalProps) {
             <Divider className="my-2" />
             {body && (
               <div className="mt-4">
-                <p className="text-primary text-sm mb-2">What's New?</p>
+                <p className="text-primary text-sm mb-2">更新内容？</p>
                 <ScrollShadow className="max-h-[50vh]">
                   <Markdown content={body} className="text-sm" />
                 </ScrollShadow>
@@ -254,7 +254,7 @@ function UpdateModal({ onClose }: UpdateModalProps) {
             <div className="mt-4 flex justify-end gap-2">
               {!isInstalling ? (
                 <Button variant="flat" size="sm" onPress={onClose}>
-                  Cancel
+                  取消
                 </Button>
               ) : null}
               <Button
@@ -264,14 +264,14 @@ function UpdateModal({ onClose }: UpdateModalProps) {
                 isLoading={isInstalling}
                 isDisabled={isInstalling}
               >
-                Update Now {isInstalling ? `(${installProgress}%)` : ''}
+                立即更新 {isInstalling ? `(${installProgress}%)` : ''}
               </Button>
             </div>
           </>
         ) : (
           <div className="text-center py-4">
             <p className="text-gray-600 dark:text-gray-400 text-sm">
-              No updates available. You are on the latest version.
+              没有可用更新。您已是最新版本。
             </p>
           </div>
         )}
diff --git a/src/routes/(root)/ui/output-settings/-index.tsx b/src/routes/(root)/ui/output-settings/-index.tsx
index f1450606..17e4ec64 100644
--- a/src/routes/(root)/ui/output-settings/-index.tsx
+++ b/src/routes/(root)/ui/output-settings/-index.tsx
@@ -40,9 +40,9 @@ function OutputSettings({ mediaIndex }: OutputSettingsProps) {
           <Accordion isCompact keepContentMounted variant="splitted">
             <AccordionItem
               key="1"
-              aria-label="Video Settings"
+              aria-label="视频设置"
               title={
-                <Title title="Video Settings" className="text-md text-left" />
+                <Title title="视频设置" className="text-md text-left" />
               }
               startContent={<Icon name="video" size={25} />}
               classNames={{
@@ -56,9 +56,9 @@ function OutputSettings({ mediaIndex }: OutputSettingsProps) {
             </AccordionItem>
             <AccordionItem
               key="2"
-              aria-label="Image Settings"
+              aria-label="图片设置"
               title={
-                <Title title="Image Settings" className="text-md text-left" />
+                <Title title="图片设置" className="text-md text-left" />
               }
               startContent={<Icon name="image" size={25} />}
               classNames={{
diff --git a/src/routes/(root)/ui/output-settings/image-settings/-index.tsx b/src/routes/(root)/ui/output-settings/image-settings/-index.tsx
index 79b3ced6..9194c563 100644
--- a/src/routes/(root)/ui/output-settings/image-settings/-index.tsx
+++ b/src/routes/(root)/ui/output-settings/image-settings/-index.tsx
@@ -20,11 +20,11 @@ type ImageSettingsProps = {
 const TABS = {
   image: {
     id: 'image',
-    title: 'Image',
+    title: '图片',
   },
   others: {
     id: 'others',
-    title: 'Others',
+    title: '其他',
   },
 } as const
 
@@ -46,7 +46,7 @@ function ImageSettings({ mediaIndex }: ImageSettingsProps) {
     <>
       <section>
         <Tabs
-          aria-label="Compression Settings"
+          aria-label="压缩设置"
           size="sm"
           selectedKey={tab}
           onSelectionChange={(t) => setTab(t as keyof typeof TABS)}
diff --git a/src/routes/(root)/ui/output-settings/image-settings/image/CompressionQuality.tsx b/src/routes/(root)/ui/output-settings/image-settings/image/CompressionQuality.tsx
index 787f11da..5201c77b 100644
--- a/src/routes/(root)/ui/output-settings/image-settings/image/CompressionQuality.tsx
+++ b/src/routes/(root)/ui/output-settings/image-settings/image/CompressionQuality.tsx
@@ -104,20 +104,20 @@ function CompressionQuality({ mediaIndex }: CompressionQualityProps) {
         {!isLossless ? (
           <motion.div {...slideDownTransition}>
             <Slider
-              label="Quality"
-              aria-label="Quality"
+              label="质量"
+              aria-label="质量"
               marks={[
                 {
                   value: 1,
-                  label: 'Low',
+                  label: '低',
                 },
                 {
                   value: 50,
-                  label: 'Medium',
+                  label: '中',
                 },
                 {
                   value: 100,
-                  label: 'High',
+                  label: '高',
                 },
               ]}
               minValue={1}
diff --git a/src/routes/(root)/ui/output-settings/image-settings/image/Dimensions.tsx b/src/routes/(root)/ui/output-settings/image-settings/image/Dimensions.tsx
index 72fb974b..a2bee910 100644
--- a/src/routes/(root)/ui/output-settings/image-settings/image/Dimensions.tsx
+++ b/src/routes/(root)/ui/output-settings/image-settings/image/Dimensions.tsx
@@ -197,7 +197,7 @@ function Dimensions({ mediaIndex }: DimensionsProps) {
           <motion.div {...slideDownTransition}>
             <div className="mt-2 flex items-center space-x-2">
               <NumberInput
-                label="Width"
+                label="宽度"
                 className="max-w-[120px] xl:max-w-[150px]"
                 value={dimensions?.width}
                 onValueChange={(val) => handleChange(val, 'width')}
@@ -206,7 +206,7 @@ function Dimensions({ mediaIndex }: DimensionsProps) {
                 isDisabled={!shouldEnableCustomDimensions || shouldDisableInput}
               />
               <NumberInput
-                label="Height"
+                label="高度"
                 className="max-w-[120px] xl:max-w-[150px]"
                 value={dimensions?.height}
                 onValueChange={(val) => handleChange(val, 'height')}
diff --git a/src/routes/(root)/ui/output-settings/image-settings/image/Extension.tsx b/src/routes/(root)/ui/output-settings/image-settings/image/Extension.tsx
index e6b66d17..41a5cdde 100644
--- a/src/routes/(root)/ui/output-settings/image-settings/image/Extension.tsx
+++ b/src/routes/(root)/ui/output-settings/image-settings/image/Extension.tsx
@@ -61,7 +61,7 @@ const Extension = ({ mediaIndex, disabled }: ExtensionProps) => {
   return (
     <Select
       fullWidth
-      label="Extension:"
+      label="格式："
       value={convertToExtension}
       selectedKeys={[convertToExtension]}
       onChange={(evt) => {
@@ -75,7 +75,7 @@ const Extension = ({ mediaIndex, disabled }: ExtensionProps) => {
       }}
       isDisabled={shouldDisableInput}
     >
-      <SelectItem key="-">Same as input</SelectItem>
+      <SelectItem key="-">与输入相同</SelectItem>
       <SelectSection>
         {Object.values(extensions.image)
           .filter(
diff --git a/src/routes/(root)/ui/output-settings/image-settings/image/SvgConfig.tsx b/src/routes/(root)/ui/output-settings/image-settings/image/SvgConfig.tsx
index e03aaeaf..e34e3582 100644
--- a/src/routes/(root)/ui/output-settings/image-settings/image/SvgConfig.tsx
+++ b/src/routes/(root)/ui/output-settings/image-settings/image/SvgConfig.tsx
@@ -175,8 +175,8 @@ function SvgConfig({ mediaIndex }: SvgConfigProps) {
             <Slider
               label={
                 <div className="flex items-center gap-1">
-                  Filter Speckle
-                  <Tooltip content="Higher is cleaner/smoother">
+                  滤波斑点
+                  <Tooltip content="值越高越干净/平滑">
                     <Icon
                       name="info"
                       size={20}
@@ -185,7 +185,7 @@ function SvgConfig({ mediaIndex }: SvgConfigProps) {
                   </Tooltip>
                 </div>
               }
-              aria-label="Filter Speckle"
+              aria-label="滤波斑点"
               marks={[
                 { value: 0, label: '0' },
                 { value: 128, label: '128' },
@@ -223,8 +223,8 @@ function SvgConfig({ mediaIndex }: SvgConfigProps) {
             <Slider
               label={
                 <div className="flex items-center gap-1">
-                  Color Precision
-                  <Tooltip content="Higher is more accurate but can over-saturate">
+                  颜色精度
+                  <Tooltip content="值越高越精确但可能过饱和">
                     <Icon
                       name="info"
                       size={20}
@@ -233,7 +233,7 @@ function SvgConfig({ mediaIndex }: SvgConfigProps) {
                   </Tooltip>
                 </div>
               }
-              aria-label="Color Precision"
+              aria-label="颜色精度"
               marks={[
                 { value: 1, label: '1' },
                 { value: 8, label: '8' },
@@ -268,8 +268,8 @@ function SvgConfig({ mediaIndex }: SvgConfigProps) {
             <Slider
               label={
                 <div className="flex items-center gap-1">
-                  Layer Difference
-                  <Tooltip content="Higher means less layers">
+                  图层差异
+                  <Tooltip content="值越高意味着图层越少">
                     <Icon
                       name="info"
                       size={20}
@@ -278,7 +278,7 @@ function SvgConfig({ mediaIndex }: SvgConfigProps) {
                   </Tooltip>
                 </div>
               }
-              aria-label="Layer Difference"
+              aria-label="图层差异"
               marks={[
                 { value: 0, label: '0' },
                 { value: 128, label: '128' },
@@ -316,8 +316,8 @@ function SvgConfig({ mediaIndex }: SvgConfigProps) {
             <Slider
               label={
                 <div className="flex items-center gap-1">
-                  Corner Threshold
-                  <Tooltip content="Higher is smoother">
+                  角点阈值
+                  <Tooltip content="值越高越平滑">
                     <Icon
                       name="info"
                       size={20}
@@ -326,7 +326,7 @@ function SvgConfig({ mediaIndex }: SvgConfigProps) {
                   </Tooltip>
                 </div>
               }
-              aria-label="Corner Threshold"
+              aria-label="角点阈值"
               marks={[
                 { value: 0, label: '0' },
                 { value: 180, label: '180' },
@@ -364,8 +364,8 @@ function SvgConfig({ mediaIndex }: SvgConfigProps) {
             <Slider
               label={
                 <div className="flex items-center gap-1">
-                  Segment Length
-                  <Tooltip content="Higher is more coarse">
+                  线段长度
+                  <Tooltip content="值越高越粗糙">
                     <Icon
                       name="info"
                       size={20}
@@ -374,7 +374,7 @@ function SvgConfig({ mediaIndex }: SvgConfigProps) {
                   </Tooltip>
                 </div>
               }
-              aria-label="Segment Length"
+              aria-label="线段长度"
               marks={[
                 { value: 0, label: '0' },
                 { value: 10, label: '10' },
@@ -413,8 +413,8 @@ function SvgConfig({ mediaIndex }: SvgConfigProps) {
             <Slider
               label={
                 <div className="flex items-center gap-1">
-                  Splice Threshold
-                  <Tooltip content="Higher is less accurate">
+                  拼接阈值
+                  <Tooltip content="值越高精度越低">
                     <Icon
                       name="info"
                       size={20}
@@ -423,7 +423,7 @@ function SvgConfig({ mediaIndex }: SvgConfigProps) {
                   </Tooltip>
                 </div>
               }
-              aria-label="Splice Threshold"
+              aria-label="拼接阈值"
               marks={[
                 { value: 0, label: '0' },
                 { value: 180, label: '180' },
diff --git a/src/routes/(root)/ui/output-settings/image-settings/image/SvgScaleFactor.tsx b/src/routes/(root)/ui/output-settings/image-settings/image/SvgScaleFactor.tsx
index 8544b0cd..8e6a8df5 100644
--- a/src/routes/(root)/ui/output-settings/image-settings/image/SvgScaleFactor.tsx
+++ b/src/routes/(root)/ui/output-settings/image-settings/image/SvgScaleFactor.tsx
@@ -72,7 +72,7 @@ const SvgScaleFactor = ({ mediaIndex }: SvgScaleFactorProps) => {
 
   return (
     <Slider
-      label="Scale Factor"
+      label="缩放因子"
       size="lg"
       step={1}
       minValue={1}
diff --git a/src/routes/(root)/ui/output-settings/image-settings/image/TransformImage.tsx b/src/routes/(root)/ui/output-settings/image-settings/image/TransformImage.tsx
index 4503c60b..9bf3cd89 100644
--- a/src/routes/(root)/ui/output-settings/image-settings/image/TransformImage.tsx
+++ b/src/routes/(root)/ui/output-settings/image-settings/image/TransformImage.tsx
@@ -90,7 +90,7 @@ function Transform({ mediaIndex }: TransformProps) {
             className="h-[unset] py-1 ml-auto"
             isDisabled={shouldDisableInput}
           >
-            <Icon name="pencil" size={16} /> Edit
+            <Icon name="pencil" size={16} /> 编辑
           </Button>
         )
       ) : null}
diff --git a/src/routes/(root)/ui/output-settings/video-settings/-index.tsx b/src/routes/(root)/ui/output-settings/video-settings/-index.tsx
index 235675cf..8fe21eb5 100644
--- a/src/routes/(root)/ui/output-settings/video-settings/-index.tsx
+++ b/src/routes/(root)/ui/output-settings/video-settings/-index.tsx
@@ -28,15 +28,15 @@ type VideoSettingsProps = {
 const TABS = {
   video: {
     id: 'video',
-    title: 'Video',
+    title: '视频',
   },
   audio: {
     id: 'audio',
-    title: 'Audio',
+    title: '音频',
   },
   others: {
     id: 'others',
-    title: 'Others',
+    title: '其他',
   },
 } as const
 
@@ -79,7 +79,7 @@ function VideoSettings({ mediaIndex }: VideoSettingsProps) {
     <>
       <section>
         <Tabs
-          aria-label="Compression Settings"
+          aria-label="压缩设置"
           size="sm"
           selectedKey={tab}
           onSelectionChange={(t) => setTab(t as keyof typeof TABS)}
@@ -156,7 +156,7 @@ function VideoSettings({ mediaIndex }: VideoSettingsProps) {
               {hasNoAudio ? (
                 <div className="flex justify-center items-center absolute left-0 top-0 w-full h-full bg-white1/50 dark:bg-black1/50">
                   <p className="text-xs text-center mt-1 text-zinc-600 dark:text-zinc-400">
-                    No audio found
+                    未找到音频
                   </p>
                 </div>
               ) : null}
diff --git a/src/routes/(root)/ui/output-settings/video-settings/audio/AudioBitrate.tsx b/src/routes/(root)/ui/output-settings/video-settings/audio/AudioBitrate.tsx
index 6c66248b..5ffcb002 100644
--- a/src/routes/(root)/ui/output-settings/video-settings/audio/AudioBitrate.tsx
+++ b/src/routes/(root)/ui/output-settings/video-settings/audio/AudioBitrate.tsx
@@ -138,7 +138,7 @@ function AudioBitrate({ mediaIndex }: AudioBitrateProps) {
           <motion.div {...slideDownTransition}>
             <Select
               fullWidth
-              label="Bitrate:"
+              label="比特率："
               className="block flex-shrink-0 rounded-2xl !mt-8"
               size="sm"
               value={currentValue?.toString() ?? '128'}
diff --git a/src/routes/(root)/ui/output-settings/video-settings/audio/AudioChannels.tsx b/src/routes/(root)/ui/output-settings/video-settings/audio/AudioChannels.tsx
index 74f8cab1..e34137f6 100644
--- a/src/routes/(root)/ui/output-settings/video-settings/audio/AudioChannels.tsx
+++ b/src/routes/(root)/ui/output-settings/video-settings/audio/AudioChannels.tsx
@@ -293,7 +293,7 @@ function AudioChannels({ mediaIndex }: AudioChannelsProps) {
         isDisabled={shouldDisableInput || hasNoAudio}
       >
         <p className="text-gray-600 dark:text-gray-400 text-sm mr-2 w-full">
-          Channels
+          声道
         </p>
       </Switch>
       <AnimatePresence mode="wait">
@@ -301,7 +301,7 @@ function AudioChannels({ mediaIndex }: AudioChannelsProps) {
           <motion.div {...slideDownTransition}>
             <Select
               fullWidth
-              label="Layout:"
+              label="布局："
               className="block flex-shrink-0 rounded-2xl !mt-8"
               size="sm"
               value={audioConfig?.audioChannelConfig?.channelLayout ?? 'stereo'}
@@ -320,18 +320,18 @@ function AudioChannels({ mediaIndex }: AudioChannelsProps) {
                 label: '!text-gray-600 dark:!text-gray-400 text-xs',
               }}
             >
-              <SelectItem key="mono" textValue="Mono">
-                Mono
+              <SelectItem key="mono" textValue="单声道">
+                单声道
               </SelectItem>
-              <SelectItem key="stereo" textValue="Stereo">
-                Stereo
+              <SelectItem key="stereo" textValue="立体声">
+                立体声
               </SelectItem>
             </Select>
             <AnimatePresence mode="wait">
               {audioConfig?.audioChannelConfig?.channelLayout === 'mono' ? (
                 <motion.div {...slideDownTransition} className="mt-4">
                   <p className="text-xs text-gray-600 dark:text-gray-400 mb-2">
-                    Mono Source:
+                    单声道源：
                   </p>
                   <div className="flex gap-4">
                     <Checkbox
@@ -342,7 +342,7 @@ function AudioChannels({ mediaIndex }: AudioChannelsProps) {
                       onValueChange={handleMonoLeftChange}
                       isDisabled={shouldDisableInput}
                     >
-                      <span className="text-sm">Left</span>
+                      <span className="text-sm">左声道</span>
                     </Checkbox>
                     <Divider orientation="vertical" className="h-5" />
                     <Checkbox
@@ -353,7 +353,7 @@ function AudioChannels({ mediaIndex }: AudioChannelsProps) {
                       onValueChange={handleMonoRightChange}
                       isDisabled={shouldDisableInput}
                     >
-                      <span className="text-sm">Right</span>
+                      <span className="text-sm">右声道</span>
                     </Checkbox>
                   </div>
                 </motion.div>
@@ -369,7 +369,7 @@ function AudioChannels({ mediaIndex }: AudioChannelsProps) {
                     isDisabled={shouldDisableInput}
                   >
                     <p className="text-gray-600 dark:text-gray-400 text-sm mr-2 w-full">
-                      Swap left and right channels
+                      交换左右声道
                     </p>
                   </Switch>
                 </motion.div>
diff --git a/src/routes/(root)/ui/output-settings/video-settings/audio/AudioCodec.tsx b/src/routes/(root)/ui/output-settings/video-settings/audio/AudioCodec.tsx
index 0aa2726d..02f6ef7f 100644
--- a/src/routes/(root)/ui/output-settings/video-settings/audio/AudioCodec.tsx
+++ b/src/routes/(root)/ui/output-settings/video-settings/audio/AudioCodec.tsx
@@ -24,49 +24,49 @@ const AUDIO_CODECS: readonly AudioCodecOption[] = [
   {
     value: 'aac',
     name: 'AAC',
-    description: 'Standard codec, wide compatibility',
+    description: '标准编解码器，兼容性广',
     compatible_containers: ['mp4', 'mov', 'mkv'] as VideoExtension[],
   },
   {
     value: 'libmp3lame',
     name: 'MP3',
-    description: 'Universal audio format',
+    description: '通用音频格式',
     compatible_containers: ['mp4', 'mov', 'mkv', 'avi'] as VideoExtension[],
   },
   {
     value: 'libopus',
     name: 'Opus',
-    description: 'Modern, high quality',
+    description: '现代编码，高质量',
     compatible_containers: ['webm', 'mkv'] as VideoExtension[],
   },
   {
     value: 'libvorbis',
     name: 'Vorbis',
-    description: 'Open-source, good quality',
+    description: '开源，音质良好',
     compatible_containers: ['webm', 'mkv'] as VideoExtension[],
   },
   {
     value: 'ac3',
     name: 'AC3',
-    description: 'Dolby Digital, surround sound',
+    description: '杜比数字，环绕声',
     compatible_containers: ['mp4', 'mov', 'mkv', 'avi'] as VideoExtension[],
   },
   {
     value: 'alac',
     name: 'ALAC',
-    description: 'Lossless compression optimized for Apple devices',
+    description: '无损压缩，为 Apple 设备优化',
     compatible_containers: ['mp4', 'mov'] as VideoExtension[],
   },
   {
     value: 'flac',
     name: 'FLAC',
-    description: 'Lossless compression',
+    description: '无损压缩',
     compatible_containers: ['mkv'] as VideoExtension[],
   },
   {
     value: 'pcm_s16le',
     name: 'PCM',
-    description: 'Uncompressed, best quality',
+    description: '未压缩，最高质量',
     compatible_containers: ['mov', 'avi'] as VideoExtension[],
   },
 ]
@@ -204,7 +204,7 @@ function AudioCodec({ mediaIndex }: AudioCodecProps) {
           <motion.div {...slideDownTransition}>
             <Select
               fullWidth
-              label="Select Codec:"
+              label="选择编解码器："
               className="block flex-shrink-0 rounded-2xl !mt-8"
               selectedKeys={[initialCodecValue]}
               size="sm"
@@ -223,12 +223,12 @@ function AudioCodec({ mediaIndex }: AudioCodecProps) {
             >
               <SelectItem
                 key="-"
-                textValue="Default"
+                textValue="默认"
                 className="flex justify-center items-center"
                 endContent={
                   <Tooltip
-                    content="Default codec for the selected container"
-                    aria-label="Default codec for the selected container"
+                    content="所选容器的默认编解码器"
+                    aria-label="所选容器的默认编解码器"
                   >
                     <Icon
                       name="info"
@@ -239,7 +239,7 @@ function AudioCodec({ mediaIndex }: AudioCodecProps) {
                 }
               >
                 <div className="flex flex-col">
-                  <span className="text-sm">Default</span>
+                  <span className="text-sm">默认</span>
                 </div>
               </SelectItem>
               <SelectSection>
diff --git a/src/routes/(root)/ui/output-settings/video-settings/audio/AudioVolume.tsx b/src/routes/(root)/ui/output-settings/video-settings/audio/AudioVolume.tsx
index ac156da3..502e1104 100644
--- a/src/routes/(root)/ui/output-settings/video-settings/audio/AudioVolume.tsx
+++ b/src/routes/(root)/ui/output-settings/video-settings/audio/AudioVolume.tsx
@@ -114,13 +114,13 @@ function AudioVolume({ mediaIndex }: AudioVolumeProps) {
   return (
     <>
       <Slider
-        label="Volume:"
-        aria-label="Audio Volume"
+        label="音量："
+        aria-label="音频音量"
         maxValue={200}
         marks={[
           {
             value: 0,
-            label: 'Mute',
+            label: '静音',
           },
           {
             value: 100,
diff --git a/src/routes/(root)/ui/output-settings/video-settings/others/Metadata.tsx b/src/routes/(root)/ui/output-settings/video-settings/others/Metadata.tsx
index 085a4468..6cfaa9d3 100644
--- a/src/routes/(root)/ui/output-settings/video-settings/others/Metadata.tsx
+++ b/src/routes/(root)/ui/output-settings/video-settings/others/Metadata.tsx
@@ -153,7 +153,7 @@ function Metadata({ mediaIndex }: MetadataProps) {
       >
         <div className="flex justify-center items-center">
           <span className="text-gray-600 dark:text-gray-400 block mr-2 text-sm">
-            Strip Metadata
+            清除元数据
           </span>
         </div>
       </Switch>
@@ -163,17 +163,17 @@ function Metadata({ mediaIndex }: MetadataProps) {
             <motion.div {...slideDownTransition} className="space-y-4 mt-2">
               <div className="text-zinc-700 dark:text-zinc-400">
                 <p className="text-xs  italic">
-                  - Leave the field empty to keep the original
+                  - 留空则保留原始值
                 </p>{' '}
                 <p className="text-xs  italic">
-                  - Or, add a whitespace to remove the original
+                  - 或输入空格以移除原始值
                 </p>
               </div>
               <div>
                 <TextInput
                   type="text"
-                  label="Title"
-                  placeholder="Enter video title"
+                  label="标题"
+                  placeholder="输入视频标题"
                   value={metadataConfig?.title ?? ''}
                   isDisabled={shouldDisableInput}
                   onValueChange={(value) => updateMetadataField('title', value)}
@@ -184,8 +184,8 @@ function Metadata({ mediaIndex }: MetadataProps) {
               <div>
                 <TextInput
                   type="text"
-                  label="Artist"
-                  placeholder="Enter artist name"
+                  label="艺术家"
+                  placeholder="输入艺术家名称"
                   value={metadataConfig?.artist ?? ''}
                   isDisabled={shouldDisableInput}
                   onValueChange={(value) =>
@@ -198,8 +198,8 @@ function Metadata({ mediaIndex }: MetadataProps) {
               <div>
                 <TextInput
                   type="text"
-                  label="Album"
-                  placeholder="Enter album name"
+                  label="专辑"
+                  placeholder="输入专辑名称"
                   value={metadataConfig?.album ?? ''}
                   isDisabled={shouldDisableInput}
                   onValueChange={(value) => updateMetadataField('album', value)}
@@ -210,8 +210,8 @@ function Metadata({ mediaIndex }: MetadataProps) {
               <div>
                 <TextInput
                   type="text"
-                  label="Genre"
-                  placeholder="Enter genre"
+                  label="流派"
+                  placeholder="输入流派"
                   value={metadataConfig?.genre ?? ''}
                   isDisabled={shouldDisableInput}
                   classNames={{ mainWrapper: 'my-3' }}
@@ -222,8 +222,8 @@ function Metadata({ mediaIndex }: MetadataProps) {
               <div>
                 <TextInput
                   type="text"
-                  label="Year/Date"
-                  placeholder="Enter year or date"
+                  label="年份/日期"
+                  placeholder="输入年份或日期"
                   value={metadataConfig?.year ?? ''}
                   isDisabled={shouldDisableInput}
                   classNames={{ mainWrapper: 'my-3' }}
@@ -234,8 +234,8 @@ function Metadata({ mediaIndex }: MetadataProps) {
               <div className="!mt-[-10px]">
                 <TextArea
                   type="text"
-                  label="Description"
-                  placeholder="Enter description"
+                  label="描述"
+                  placeholder="输入描述"
                   value={metadataConfig?.description ?? ''}
                   isDisabled={shouldDisableInput}
                   onValueChange={(value) =>
@@ -248,8 +248,8 @@ function Metadata({ mediaIndex }: MetadataProps) {
               <div className="!mt-[-10px]">
                 <TextArea
                   type="text"
-                  label="Synopsis"
-                  placeholder="Enter synopsis"
+                  label="简介"
+                  placeholder="输入简介"
                   value={metadataConfig?.synopsis ?? ''}
                   isDisabled={shouldDisableInput}
                   onValueChange={(value) =>
@@ -262,8 +262,8 @@ function Metadata({ mediaIndex }: MetadataProps) {
               <div className="!mt-[-10px]">
                 <TextArea
                   type="text"
-                  label="Comment"
-                  placeholder="Enter comment"
+                  label="评论"
+                  placeholder="输入评论"
                   value={metadataConfig?.comment ?? ''}
                   isDisabled={shouldDisableInput}
                   onValueChange={(value) =>
@@ -276,8 +276,8 @@ function Metadata({ mediaIndex }: MetadataProps) {
               <div className="!mt-[-10px]">
                 <TextArea
                   type="text"
-                  label="Copyright"
-                  placeholder="Enter copyright information"
+                  label="版权"
+                  placeholder="输入版权信息"
                   value={metadataConfig?.copyright ?? ''}
                   isDisabled={shouldDisableInput}
                   onValueChange={(value) =>
@@ -306,7 +306,7 @@ function Metadata({ mediaIndex }: MetadataProps) {
                   >
                     <div className="flex justify-center items-center">
                       <span className="text-black1 dark:text-white1 block mr-2 text-xs opacity-90">
-                        Creation Time
+                        创建时间
                       </span>
                     </div>
                   </Switch>
@@ -317,7 +317,7 @@ function Metadata({ mediaIndex }: MetadataProps) {
                     hideTimeZone
                     showMonthAndYearPickers
                     label=""
-                    placeholder="Enter creation time"
+                    placeholder="输入创建时间"
                     isDisabled={
                       shouldDisableInput ||
                       !metadataConfig?.shouldEnableCreationTime
diff --git a/src/routes/(root)/ui/output-settings/video-settings/others/Subtitles.tsx b/src/routes/(root)/ui/output-settings/video-settings/others/Subtitles.tsx
index bf6062d7..5b6547f5 100644
--- a/src/routes/(root)/ui/output-settings/video-settings/others/Subtitles.tsx
+++ b/src/routes/(root)/ui/output-settings/video-settings/others/Subtitles.tsx
@@ -24,147 +24,147 @@ const SUBTITLE_EXTENSIONS = ['srt']
 
 type Subtitle = { code: string; name: string }
 const LANGUAGE_OPTIONS: Subtitle[] = [
-  { code: 'afr', name: 'Afrikaans' },
-  { code: 'sqi', name: 'Albanian' },
-  { code: 'amh', name: 'Amharic' },
-  { code: 'ara', name: 'Arabic' },
-  { code: 'hye', name: 'Armenian' },
-  { code: 'asm', name: 'Assamese' },
-  { code: 'aze', name: 'Azerbaijani' },
-  { code: 'bam', name: 'Bambara' },
-  { code: 'ben', name: 'Bengali' },
-  { code: 'bul', name: 'Bulgarian' },
-  { code: 'bur', name: 'Burmese' },
-  { code: 'cat', name: 'Catalan' },
-  { code: 'ceb', name: 'Cebuano' },
-  { code: 'ces', name: 'Czech' },
-  { code: 'chi', name: 'Chinese' },
-  { code: 'zul', name: 'Zulu' },
-  { code: 'yor', name: 'Yoruba' },
-  { code: 'xho', name: 'Xhosa' },
-  { code: 'wol', name: 'Wolof' },
-  { code: 'wel', name: 'Welsh' },
-  { code: 'uzb', name: 'Uzbek' },
-  { code: 'ukr', name: 'Ukrainian' },
-  { code: 'tur', name: 'Turkish' },
-  { code: 'tmh', name: 'Tamashek' },
-  { code: 'tgl', name: 'Tagalog' },
-  { code: 'taj', name: 'Tajik' },
-  { code: 'tam', name: 'Tamil' },
-  { code: 'tel', name: 'Telugu' },
-  { code: 'tha', name: 'Thai' },
-  { code: 'tir', name: 'Tigrinya' },
-  { code: 'ton', name: 'Tonga' },
-  { code: 'tsn', name: 'Tswana' },
-  { code: 'tso', name: 'Tsonga' },
-  { code: 'tuk', name: 'Turkmen' },
-  { code: 'twi', name: 'Twi' },
-  { code: 'sag', name: 'Sango' },
-  { code: 'san', name: 'Sanskrit' },
-  { code: 'sin', name: 'Sinhala' },
-  { code: 'slk', name: 'Slovak' },
-  { code: 'slv', name: 'Slovenian' },
-  { code: 'sme', name: 'Northern Sami' },
-  { code: 'smo', name: 'Samoan' },
-  { code: 'sna', name: 'Shona' },
-  { code: 'snd', name: 'Sindhi' },
-  { code: 'som', name: 'Somali' },
-  { code: 'sot', name: 'Southern Sotho' },
-  { code: 'spa', name: 'Spanish' },
-  { code: 'srp', name: 'Serbian' },
-  { code: 'swa', name: 'Swahili' },
-  { code: 'swe', name: 'Swedish' },
-  { code: 'rus', name: 'Russian' },
-  { code: 'ron', name: 'Romanian' },
-  { code: 'run', name: 'Rundi' },
-  { code: 'que', name: 'Quechua' },
-  { code: 'pus', name: 'Pashto' },
-  { code: 'pan', name: 'Punjabi' },
-  { code: 'pol', name: 'Polish' },
-  { code: 'por', name: 'Portuguese' },
-  { code: 'pra', name: 'Prakrit' },
-  { code: 'pes', name: 'Persian' },
-  { code: 'oci', name: 'Occitan' },
-  { code: 'ori', name: 'Oriya' },
-  { code: 'nya', name: 'Nyanja' },
-  { code: 'nep', name: 'Nepali' },
-  { code: 'nld', name: 'Dutch' },
-  { code: 'nor', name: 'Norwegian' },
-  { code: 'nno', name: 'Norwegian Nynorsk' },
-  { code: 'mar', name: 'Marathi' },
-  { code: 'mkd', name: 'Macedonian' },
-  { code: 'mal', name: 'Malayalam' },
-  { code: 'mon', name: 'Mongolian' },
-  { code: 'mlt', name: 'Maltese' },
-  { code: 'msa', name: 'Malay' },
-  { code: 'lao', name: 'Lao' },
-  { code: 'lat', name: 'Latin' },
-  { code: 'lav', name: 'Latvian' },
-  { code: 'lin', name: 'Lingala' },
-  { code: 'lit', name: 'Lithuanian' },
-  { code: 'lub', name: 'Luba-Katanga' },
-  { code: 'lug', name: 'Ganda' },
-  { code: 'kur', name: 'Kurdish' },
-  { code: 'kan', name: 'Kannada' },
-  { code: 'kor', name: 'Korean' },
-  { code: 'kau', name: 'Kanuri' },
-  { code: 'kaz', name: 'Kazakh' },
-  { code: 'khm', name: 'Khmer' },
-  { code: 'kik', name: 'Kikuyu' },
-  { code: 'kin', name: 'Kinyarwanda' },
-  { code: 'kir', name: 'Kyrgyz' },
-  { code: 'kom', name: 'Komi' },
-  { code: 'kon', name: 'Kongo' },
-  { code: 'jpn', name: 'Japanese' },
-  { code: 'jav', name: 'Javanese' },
-  { code: 'ibo', name: 'Igbo' },
-  { code: 'ido', name: 'Ido' },
-  { code: 'ind', name: 'Indonesian' },
-  { code: 'ina', name: 'Interlingua' },
-  { code: 'ile', name: 'Interlingue' },
-  { code: 'iku', name: 'Inuktitut' },
-  { code: 'ipk', name: 'Inupiaq' },
-  { code: 'gle', name: 'Irish' },
-  { code: 'ita', name: 'Italian' },
-  { code: 'jpr', name: 'Judeo-Persian' },
-  { code: 'geo', name: 'Georgian' },
-  { code: 'deu', name: 'German' },
-  { code: 'grn', name: 'Guarani' },
-  { code: 'guj', name: 'Gujarati' },
-  { code: 'gla', name: 'Scottish Gaelic' },
-  { code: 'fra', name: 'French' },
-  { code: 'fin', name: 'Finnish' },
-  { code: 'fao', name: 'Faroese' },
-  { code: 'fas', name: 'Persian (Farsi)' },
-  { code: 'fij', name: 'Fijian' },
-  { code: 'est', name: 'Estonian' },
-  { code: 'eus', name: 'Basque' },
-  { code: 'ewe', name: 'Ewe' },
-  { code: 'dzo', name: 'Dzongkha' },
-  { code: 'eng', name: 'English' },
-  { code: 'ell', name: 'Greek' },
-  { code: 'dan', name: 'Danish' },
-  { code: 'dak', name: 'Dakota' },
-  { code: 'cze', name: 'Czech' },
-  { code: 'crh', name: 'Crimean Tatar' },
-  { code: 'hrv', name: 'Croatian' },
-  { code: 'hun', name: 'Hungarian' },
-  { code: 'hat', name: 'Haitian' },
-  { code: 'hau', name: 'Hausa' },
-  { code: 'heb', name: 'Hebrew' },
-  { code: 'her', name: 'Herero' },
-  { code: 'hin', name: 'Hindi' },
-  { code: 'hmo', name: 'Hiri Motu' },
-  { code: 'hil', name: 'Hiligaynon' },
-  { code: 'isl', name: 'Icelandic' },
-  { code: 'iii', name: 'Sichuan Yi' },
-  { code: 'kal', name: 'Kalaallisut' },
-  { code: 'kas', name: 'Kashmiri' },
-  { code: 'kua', name: 'Kuanyama' },
-  { code: 'lim', name: 'Limburgish' },
-  { code: 'ltz', name: 'Luxembourgish' },
-  { code: 'luo', name: 'Luo' },
-  { code: 'und', name: 'Unknown' },
+  { code: 'afr', name: '南非荷兰语' },
+  { code: 'sqi', name: '阿尔巴尼亚语' },
+  { code: 'amh', name: '阿姆哈拉语' },
+  { code: 'ara', name: '阿拉伯语' },
+  { code: 'hye', name: '亚美尼亚语' },
+  { code: 'asm', name: '阿萨姆语' },
+  { code: 'aze', name: '阿塞拜疆语' },
+  { code: 'bam', name: '班巴拉语' },
+  { code: 'ben', name: '孟加拉语' },
+  { code: 'bul', name: '保加利亚语' },
+  { code: 'bur', name: '缅甸语' },
+  { code: 'cat', name: '加泰罗尼亚语' },
+  { code: 'ceb', name: '宿务语' },
+  { code: 'ces', name: '捷克语' },
+  { code: 'chi', name: '中文' },
+  { code: 'zul', name: '祖鲁语' },
+  { code: 'yor', name: '约鲁巴语' },
+  { code: 'xho', name: '科萨语' },
+  { code: 'wol', name: '沃洛夫语' },
+  { code: 'wel', name: '威尔士语' },
+  { code: 'uzb', name: '乌兹别克语' },
+  { code: 'ukr', name: '乌克兰语' },
+  { code: 'tur', name: '土耳其语' },
+  { code: 'tmh', name: '塔马舍克语' },
+  { code: 'tgl', name: '他加禄语' },
+  { code: 'taj', name: '塔吉克语' },
+  { code: 'tam', name: '泰米尔语' },
+  { code: 'tel', name: '泰卢固语' },
+  { code: 'tha', name: '泰语' },
+  { code: 'tir', name: '提格雷尼亚语' },
+  { code: 'ton', name: '汤加语' },
+  { code: 'tsn', name: '茨瓦纳语' },
+  { code: 'tso', name: '聪加语' },
+  { code: 'tuk', name: '土库曼语' },
+  { code: 'twi', name: '特威语' },
+  { code: 'sag', name: '桑戈语' },
+  { code: 'san', name: '梵语' },
+  { code: 'sin', name: '僧伽罗语' },
+  { code: 'slk', name: '斯洛伐克语' },
+  { code: 'slv', name: '斯洛文尼亚语' },
+  { code: 'sme', name: '北萨米语' },
+  { code: 'smo', name: '萨摩亚语' },
+  { code: 'sna', name: '修纳语' },
+  { code: 'snd', name: '信德语' },
+  { code: 'som', name: '索马里语' },
+  { code: 'sot', name: '南索托语' },
+  { code: 'spa', name: '西班牙语' },
+  { code: 'srp', name: '塞尔维亚语' },
+  { code: 'swa', name: '斯瓦希里语' },
+  { code: 'swe', name: '瑞典语' },
+  { code: 'rus', name: '俄语' },
+  { code: 'ron', name: '罗马尼亚语' },
+  { code: 'run', name: '基隆迪语' },
+  { code: 'que', name: '克丘亚语' },
+  { code: 'pus', name: '普什图语' },
+  { code: 'pan', name: '旁遮普语' },
+  { code: 'pol', name: '波兰语' },
+  { code: 'por', name: '葡萄牙语' },
+  { code: 'pra', name: '普拉克里特语' },
+  { code: 'pes', name: '波斯语' },
+  { code: 'oci', name: '奥克语' },
+  { code: 'ori', name: '奥里亚语' },
+  { code: 'nya', name: '尼扬贾语' },
+  { code: 'nep', name: '尼泊尔语' },
+  { code: 'nld', name: '荷兰语' },
+  { code: 'nor', name: '挪威语' },
+  { code: 'nno', name: '新挪威语' },
+  { code: 'mar', name: '马拉地语' },
+  { code: 'mkd', name: '马其顿语' },
+  { code: 'mal', name: '马拉雅拉姆语' },
+  { code: 'mon', name: '蒙古语' },
+  { code: 'mlt', name: '马耳他语' },
+  { code: 'msa', name: '马来语' },
+  { code: 'lao', name: '老挝语' },
+  { code: 'lat', name: '拉丁语' },
+  { code: 'lav', name: '拉脱维亚语' },
+  { code: 'lin', name: '林加拉语' },
+  { code: 'lit', name: '立陶宛语' },
+  { code: 'lub', name: '卢巴-加丹加语' },
+  { code: 'lug', name: '卢干达语' },
+  { code: 'kur', name: '库尔德语' },
+  { code: 'kan', name: '卡纳达语' },
+  { code: 'kor', name: '韩语' },
+  { code: 'kau', name: '卡努里语' },
+  { code: 'kaz', name: '哈萨克语' },
+  { code: 'khm', name: '高棉语' },
+  { code: 'kik', name: '基库尤语' },
+  { code: 'kin', name: '基尼亚卢旺达语' },
+  { code: 'kir', name: '吉尔吉斯语' },
+  { code: 'kom', name: '科米语' },
+  { code: 'kon', name: '刚果语' },
+  { code: 'jpn', name: '日语' },
+  { code: 'jav', name: '爪哇语' },
+  { code: 'ibo', name: '伊博语' },
+  { code: 'ido', name: '伊多语' },
+  { code: 'ind', name: '印尼语' },
+  { code: 'ina', name: '国际语' },
+  { code: 'ile', name: '国际语E' },
+  { code: 'iku', name: '因纽特语' },
+  { code: 'ipk', name: '因纽皮亚特语' },
+  { code: 'gle', name: '爱尔兰语' },
+  { code: 'ita', name: '意大利语' },
+  { code: 'jpr', name: '犹太-波斯语' },
+  { code: 'geo', name: '格鲁吉亚语' },
+  { code: 'deu', name: '德语' },
+  { code: 'grn', name: '瓜拉尼语' },
+  { code: 'guj', name: '古吉拉特语' },
+  { code: 'gla', name: '苏格兰盖尔语' },
+  { code: 'fra', name: '法语' },
+  { code: 'fin', name: '芬兰语' },
+  { code: 'fao', name: '法罗语' },
+  { code: 'fas', name: '波斯语' },
+  { code: 'fij', name: '斐济语' },
+  { code: 'est', name: '爱沙尼亚语' },
+  { code: 'eus', name: '巴斯克语' },
+  { code: 'ewe', name: '埃维语' },
+  { code: 'dzo', name: '宗喀语' },
+  { code: 'eng', name: '英语' },
+  { code: 'ell', name: '希腊语' },
+  { code: 'dan', name: '丹麦语' },
+  { code: 'dak', name: '达科他语' },
+  { code: 'cze', name: '捷克语' },
+  { code: 'crh', name: '克里米亚鞑靼语' },
+  { code: 'hrv', name: '克罗地亚语' },
+  { code: 'hun', name: '匈牙利语' },
+  { code: 'hat', name: '海地语' },
+  { code: 'hau', name: '豪萨语' },
+  { code: 'heb', name: '希伯来语' },
+  { code: 'her', name: '赫雷罗语' },
+  { code: 'hin', name: '印地语' },
+  { code: 'hmo', name: '希里莫图语' },
+  { code: 'hil', name: '希利盖农语' },
+  { code: 'isl', name: '冰岛语' },
+  { code: 'iii', name: '四川彝语' },
+  { code: 'kal', name: '格陵兰语' },
+  { code: 'kas', name: '克什米尔语' },
+  { code: 'kua', name: '宽亚玛语' },
+  { code: 'lim', name: '林堡语' },
+  { code: 'ltz', name: '卢森堡语' },
+  { code: 'luo', name: '卢奥语' },
+  { code: 'und', name: '未知' },
 ]
 
 function Subtitles({ mediaIndex }: SubtitlesProps) {
@@ -278,10 +278,10 @@ function Subtitles({ mediaIndex }: SubtitlesProps) {
       const filePath = await open({
         directory: false,
         multiple: false,
-        title: 'Select subtitle file (SRT)',
+        title: '选择字幕文件 (SRT)',
         filters: [
           {
-            name: 'subtitle',
+            name: '字幕',
             extensions: SUBTITLE_EXTENSIONS,
           },
         ],
@@ -291,7 +291,7 @@ function Subtitles({ mediaIndex }: SubtitlesProps) {
         const newSubtitle = {
           subtitlePath: filePath,
           language: 'eng',
-          title: 'English',
+          title: '英语',
           fileName,
         }
         if (
@@ -331,7 +331,7 @@ function Subtitles({ mediaIndex }: SubtitlesProps) {
         }
       }
     } catch (error: any) {
-      toast.error(error?.message ?? 'Could not select subtitle file.')
+      toast.error(error?.message ?? '无法选择字幕文件。')
     }
   }, [mediaIndex])
 
@@ -427,7 +427,7 @@ function Subtitles({ mediaIndex }: SubtitlesProps) {
           >
             <div className="flex justify-center items-center">
               <span className="text-gray-600 dark:text-gray-400 block mr-2 text-sm">
-                Subtitles
+                字幕
               </span>
             </div>
           </Switch>
@@ -443,7 +443,7 @@ function Subtitles({ mediaIndex }: SubtitlesProps) {
                   size="sm"
                 >
                   <span className="text-sm text-gray-600 dark:text-gray-400">
-                    Preserve existing subtitles
+                    保留已有字幕
                   </span>
                 </Switch>
               </div>
@@ -463,13 +463,13 @@ function Subtitles({ mediaIndex }: SubtitlesProps) {
                       className="mb-2 p-3 bg-default-50 rounded-xl border border-default-200 dark:border-default-100"
                     >
                       <div className="text-xs font-medium text-gray-700 dark:text-gray-300 truncate mb-2 text-center">
-                        {subtitle.fileName || `Subtitle ${index + 1}`}
+                        {subtitle.fileName || `字幕 ${index + 1}`}
                       </div>
                       <div className="flex items-center justify-center gap-2">
                         <div className="flex-1 min-w-0">
                           <Autocomplete
                             fullWidth
-                            label="Language"
+                            label="语言"
                             size="sm"
                             defaultItems={LANGUAGE_OPTIONS}
                             defaultSelectedKey={getDisplayLanguageCode(
@@ -521,13 +521,13 @@ function Subtitles({ mediaIndex }: SubtitlesProps) {
                 isDisabled={shouldDisableInput || isUnsupported}
                 className="mt-2"
               >
-                Add Subtitle
+                添加字幕
                 <Icon name="fileExplorer" size={14} />
               </Button>
 
               {isUnsupported ? (
                 <p className="text-xs italic text-danger-300 mt-2">
-                  {convertToExtension} does not support soft subtitles
+                  {convertToExtension} 不支持软字幕
                 </p>
               ) : null}
             </motion.div>
diff --git a/src/routes/(root)/ui/output-settings/video-settings/video/CompressionPreset.tsx b/src/routes/(root)/ui/output-settings/video-settings/video/CompressionPreset.tsx
index 026bd966..c9f39320 100644
--- a/src/routes/(root)/ui/output-settings/video-settings/video/CompressionPreset.tsx
+++ b/src/routes/(root)/ui/output-settings/video-settings/video/CompressionPreset.tsx
@@ -18,11 +18,11 @@ const PRESETS: {
 }[] = [
   {
     name: 'ironclad',
-    description: <p>Optimal size but slightly slower processing</p>,
+    description: <p>最佳体积，但处理稍慢</p>,
   },
   {
     name: 'thunderbolt',
-    description: <p>Slightly larger size but faster processing</p>,
+    description: <p>体积稍大，但处理更快</p>,
   },
 ]
 
@@ -108,7 +108,7 @@ function CompressionPreset({ mediaIndex }: CompressionPresetProps) {
         >
           <div className="flex justify-center items-center">
             <span className="text-gray-600 dark:text-gray-400 block mr-2 text-sm">
-              Lossless Compression
+              无损压缩
             </span>
           </div>
         </Switch>
@@ -119,7 +119,7 @@ function CompressionPreset({ mediaIndex }: CompressionPresetProps) {
             <div className="mt-8">
               <Select
                 fullWidth
-                label="Compression Preset:"
+                label="压缩预设："
                 labelPlacement="outside"
                 className="block flex-shrink-0 rounded-2xl"
                 selectedKeys={[presetName!]}
@@ -141,11 +141,11 @@ function CompressionPreset({ mediaIndex }: CompressionPresetProps) {
                 {PRESETS?.map((preset) => (
                   <SelectItem
                     key={preset.name}
-                    textValue={preset.name}
+                    textValue={preset.name === 'ironclad' ? '极致压缩' : '快速压缩'}
                     className="flex justify-center items-center"
                     endContent={
                       preset.name === compressionPresets.ironclad ? (
-                        <Tooltip content="Recommended" aria-label="Recommended">
+                        <Tooltip content="推荐" aria-label="推荐">
                           <Icon
                             name="star"
                             className="inline-block ml-1 text-yellow-500"
@@ -156,7 +156,7 @@ function CompressionPreset({ mediaIndex }: CompressionPresetProps) {
                     }
                     description={preset.description}
                   >
-                    {preset.name}
+                    {preset.name === 'ironclad' ? '极致压缩' : '快速压缩'}
                   </SelectItem>
                 ))}
               </Select>
diff --git a/src/routes/(root)/ui/output-settings/video-settings/video/CompressionQuality.tsx b/src/routes/(root)/ui/output-settings/video-settings/video/CompressionQuality.tsx
index de1aadae..11f89c55 100644
--- a/src/routes/(root)/ui/output-settings/video-settings/video/CompressionQuality.tsx
+++ b/src/routes/(root)/ui/output-settings/video-settings/video/CompressionQuality.tsx
@@ -73,20 +73,20 @@ function CompressionQuality({ mediaIndex }: CompressionQualityProps) {
     <AnimatePresence mode="wait">
       <motion.div {...slideDownTransition}>
         <Slider
-          label="Quality"
-          aria-label="Quality"
+          label="质量"
+          aria-label="质量"
           marks={[
             {
               value: 1,
-              label: 'Low',
+              label: '低',
             },
             {
               value: 50,
-              label: 'Medium',
+              label: '中',
             },
             {
               value: 99,
-              label: 'High',
+              label: '高',
             },
           ]}
           minValue={1}
@@ -99,7 +99,7 @@ function CompressionQuality({ mediaIndex }: CompressionQualityProps) {
           }}
           getValue={(value) => {
             const val = Array.isArray(value) ? value?.[0] : +value
-            return val < 50 ? 'Low' : val >= 50 && val < 100 ? 'Medium' : 'High'
+            return val < 50 ? '低' : val >= 50 && val < 100 ? '中' : '高'
           }}
           renderValue={() => <p className="text-primary text-xs">{quality}%</p>}
           value={quality}
diff --git a/src/routes/(root)/ui/output-settings/video-settings/video/CustomThumbnail.tsx b/src/routes/(root)/ui/output-settings/video-settings/video/CustomThumbnail.tsx
index a5e143d8..6e074ee1 100644
--- a/src/routes/(root)/ui/output-settings/video-settings/video/CustomThumbnail.tsx
+++ b/src/routes/(root)/ui/output-settings/video-settings/video/CustomThumbnail.tsx
@@ -53,7 +53,7 @@ function CustomThumbnail({ mediaIndex }: CustomThumbnailProps) {
       const filePath = await open({
         directory: false,
         multiple: false,
-        title: 'Select thumbnail image.',
+        title: '选择缩略图。',
         filters: [
           {
             name: 'image',
@@ -78,7 +78,7 @@ function CustomThumbnail({ mediaIndex }: CustomThumbnailProps) {
         }
       }
     } catch (error: any) {
-      toast.error(error?.message ?? 'Could not select thumbnail image.')
+      toast.error(error?.message ?? '无法选择缩略图。')
     }
   }, [mediaIndex])
 
@@ -142,7 +142,7 @@ function CustomThumbnail({ mediaIndex }: CustomThumbnailProps) {
           >
             <div className="flex justify-center items-center">
               <span className="text-gray-600 dark:text-gray-400 block mr-2 text-sm">
-                Thumbnail{' '}
+                缩略图{' '}
               </span>
             </div>
           </Switch>
@@ -152,8 +152,8 @@ function CustomThumbnail({ mediaIndex }: CustomThumbnailProps) {
             <TextInput
               type="text"
               label=""
-              placeholder="No thumbnail selected"
-              value={thumbnailFileName ?? 'No thumbnail selected'}
+              placeholder="未选择缩略图"
+              value={thumbnailFileName ?? '未选择缩略图'}
               isDisabled={shouldDisableInput}
               isReadOnly
               classNames={{
@@ -188,7 +188,7 @@ function CustomThumbnail({ mediaIndex }: CustomThumbnailProps) {
                     shouldDisableInput || convertToExtension === 'webm'
                   }
                 >
-                  Choose
+                  选择
                   <Icon name="fileExplorer" size={14} />
                 </Button>
               ) : (
@@ -202,12 +202,12 @@ function CustomThumbnail({ mediaIndex }: CustomThumbnailProps) {
                   }
                   color="danger"
                 >
-                  Clear
+                  清除
                 </Button>
               )}
               {convertToExtension === 'webm' ? (
                 <p className="text-xs italic text-danger-300 mt-2">
-                  webm does not support custom thumbnail
+                  webm 不支持自定义缩略图
                 </p>
               ) : null}
             </div>
diff --git a/src/routes/(root)/ui/output-settings/video-settings/video/Dimensions.tsx b/src/routes/(root)/ui/output-settings/video-settings/video/Dimensions.tsx
index 83cdae56..58b8f8d5 100644
--- a/src/routes/(root)/ui/output-settings/video-settings/video/Dimensions.tsx
+++ b/src/routes/(root)/ui/output-settings/video-settings/video/Dimensions.tsx
@@ -190,7 +190,7 @@ function Dimensions({ mediaIndex }: VideoDimensionsProps) {
         isDisabled={shouldDisableInput}
       >
         <p className="text-gray-600 dark:text-gray-400 text-sm mr-2 w-full">
-          Dimensions
+          尺寸
         </p>
       </Switch>
       <AnimatePresence mode="wait">
@@ -198,7 +198,7 @@ function Dimensions({ mediaIndex }: VideoDimensionsProps) {
           <motion.div {...slideDownTransition}>
             <div className="mt-2 flex items-center space-x-2">
               <NumberInput
-                label="Width"
+                label="宽度"
                 className="max-w-[120px] xl:max-w-[150px]"
                 value={dimensions?.width}
                 onValueChange={(val) => handleChange(val, 'width')}
@@ -207,7 +207,7 @@ function Dimensions({ mediaIndex }: VideoDimensionsProps) {
                 isDisabled={!shouldEnableCustomDimensions || shouldDisableInput}
               />
               <NumberInput
-                label="Height"
+                label="高度"
                 className="max-w-[120px] xl:max-w-[150px]"
                 value={dimensions?.height}
                 onValueChange={(val) => handleChange(val, 'height')}
diff --git a/src/routes/(root)/ui/output-settings/video-settings/video/Extension.tsx b/src/routes/(root)/ui/output-settings/video-settings/video/Extension.tsx
index bbba026c..cc7d556b 100644
--- a/src/routes/(root)/ui/output-settings/video-settings/video/Extension.tsx
+++ b/src/routes/(root)/ui/output-settings/video-settings/video/Extension.tsx
@@ -61,7 +61,7 @@ function Extension({ mediaIndex }: VideoExtensionProps) {
   return (
     <Select
       fullWidth
-      label="Extension:"
+      label="格式："
       className="block flex-shrink-0 rounded-2xl"
       size="sm"
       value={convertToExtension}
@@ -79,10 +79,10 @@ function Extension({ mediaIndex }: VideoExtensionProps) {
     >
       <SelectItem
         key="-"
-        textValue="Same as input"
+        textValue="与输入相同"
         className="flex justify-center items-center"
       >
-        Same as input
+        与输入相同
       </SelectItem>
       <SelectSection>
         {videoExtensions?.map((ext) => (
diff --git a/src/routes/(root)/ui/output-settings/video-settings/video/FPS.tsx b/src/routes/(root)/ui/output-settings/video-settings/video/FPS.tsx
index e46888b6..7259036c 100644
--- a/src/routes/(root)/ui/output-settings/video-settings/video/FPS.tsx
+++ b/src/routes/(root)/ui/output-settings/video-settings/video/FPS.tsx
@@ -141,7 +141,7 @@ function FPS({ mediaIndex }: VideoFPSProps) {
             ) : (
               <Select
                 fullWidth
-                label="Frames Per Second:"
+                label="每秒帧数："
                 className="block flex-shrink-0 rounded-2xl !mt-8"
                 selectedKeys={[String(initialFpsValue)!]}
                 size="sm"
diff --git a/src/routes/(root)/ui/output-settings/video-settings/video/Speed.tsx b/src/routes/(root)/ui/output-settings/video-settings/video/Speed.tsx
index 4429f126..3b5c066e 100644
--- a/src/routes/(root)/ui/output-settings/video-settings/video/Speed.tsx
+++ b/src/routes/(root)/ui/output-settings/video-settings/video/Speed.tsx
@@ -95,7 +95,7 @@ const VideoSpeed = ({ mediaIndex }: VideoSpeedProps) => {
         isDisabled={shouldDisableInput}
       >
         <p className="text-gray-600 dark:text-gray-400 text-sm mr-2 w-full">
-          Speed
+          速度
         </p>
       </Switch>
       <AnimatePresence mode="wait">
diff --git a/src/routes/(root)/ui/output-settings/video-settings/video/TransformVideo.tsx b/src/routes/(root)/ui/output-settings/video-settings/video/TransformVideo.tsx
index 95b7fbb9..d5164f80 100644
--- a/src/routes/(root)/ui/output-settings/video-settings/video/TransformVideo.tsx
+++ b/src/routes/(root)/ui/output-settings/video-settings/video/TransformVideo.tsx
@@ -58,7 +58,7 @@ function TransformVideo({ mediaIndex }: TransformVideoProps) {
         isDisabled={shouldDisableInput}
       >
         <p className="text-gray-600 dark:text-gray-400 text-sm mr-2 w-full">
-          Transform
+          变换
         </p>
       </Switch>
       {shouldTransformVideo ? (
@@ -76,7 +76,7 @@ function TransformVideo({ mediaIndex }: TransformVideoProps) {
             className="h-[unset] py-1 ml-auto"
             isDisabled={shouldDisableInput}
           >
-            Save
+            保存
           </Button>
         ) : (
           <Button
@@ -93,7 +93,7 @@ function TransformVideo({ mediaIndex }: TransformVideoProps) {
             className="h-[unset] py-1 ml-auto"
             isDisabled={shouldDisableInput}
           >
-            <Icon name="pencil" size={16} /> Edit
+            <Icon name="pencil" size={16} /> 编辑
           </Button>
         )
       ) : null}
diff --git a/src/routes/(root)/ui/output-settings/video-settings/video/TrimVideo.tsx b/src/routes/(root)/ui/output-settings/video-settings/video/TrimVideo.tsx
index 98e5db3f..417358a3 100644
--- a/src/routes/(root)/ui/output-settings/video-settings/video/TrimVideo.tsx
+++ b/src/routes/(root)/ui/output-settings/video-settings/video/TrimVideo.tsx
@@ -57,7 +57,7 @@ function TrimVideo({ mediaIndex }: TrimVideoProps) {
         isDisabled={shouldDisableInput}
       >
         <p className="text-gray-600 dark:text-gray-400 text-sm mr-2 w-full">
-          Trim
+          裁剪
         </p>
       </Switch>
       {shouldTrimVideo ? (
@@ -74,24 +74,21 @@ function TrimVideo({ mediaIndex }: TrimVideoProps) {
             className="h-[unset] py-1 ml-auto"
             isDisabled={shouldDisableInput}
           >
-            Save
+            保存
           </Button>
         ) : (
           <Button
             size="sm"
             onPress={() => {
               if (appProxy.state.media[mediaIndex].type === 'video') {
-                appProxy.state.media[mediaIndex].config.isVideoTrimEditMode =
-                  true
-                appProxy.state.media[
-                  mediaIndex
-                ].config.isVideoTransformEditMode = false
+                appProxy.state.media[mediaIndex].config.isVideoTrimEditMode = true
+                appProxy.state.media[mediaIndex].config.isVideoTransformEditMode = false
               }
             }}
             className="h-[unset] py-1 ml-auto"
             isDisabled={shouldDisableInput}
           >
-            <Icon name="pencil" size={16} /> Edit
+            <Icon name="pencil" size={16} /> 编辑
           </Button>
         )
       ) : null}
diff --git a/src/routes/(root)/ui/output-settings/video-settings/video/VideoCodec.tsx b/src/routes/(root)/ui/output-settings/video-settings/video/VideoCodec.tsx
index 872b0b86..bbc44e6e 100644
--- a/src/routes/(root)/ui/output-settings/video-settings/video/VideoCodec.tsx
+++ b/src/routes/(root)/ui/output-settings/video-settings/video/VideoCodec.tsx
@@ -24,31 +24,31 @@ const VIDEO_CODECS: readonly VideoCodecOption[] = [
   {
     value: 'libx264',
     name: 'H.264 (AVC)',
-    description: 'Most compatible, good quality',
+    description: '兼容性最佳，质量良好',
     compatible_containers: ['mp4', 'mov', 'mkv', 'avi'] as VideoExtension[],
   },
   {
     value: 'libx265',
     name: 'H.265 (HEVC)',
-    description: 'Better compression, newer standard',
+    description: '压缩率更高，较新标准',
     compatible_containers: ['mp4', 'mov', 'mkv'] as VideoExtension[],
   },
   {
     value: 'libvpx-vp9',
     name: 'VP9',
-    description: 'Open-source, great for web',
+    description: '开源，适合网页',
     compatible_containers: ['webm', 'mkv'] as VideoExtension[],
   },
   {
     value: 'libaom-av1',
     name: 'AV1',
-    description: 'Best compression, very slow',
+    description: '最佳压缩率，速度很慢',
     compatible_containers: ['mp4', 'mkv', 'webm'] as VideoExtension[],
   },
   {
     value: 'mpeg4',
     name: 'MPEG-4',
-    description: 'Legacy codec, wide support',
+    description: '旧版编解码器，支持广泛',
     compatible_containers: ['mp4', 'mov', 'mkv', 'avi'] as VideoExtension[],
   },
 ]
@@ -172,7 +172,7 @@ function VideoCodec({ mediaIndex }: VideoCodecProps) {
         isDisabled={shouldDisableInput}
       >
         <p className="text-gray-600 dark:text-gray-400 text-sm mr-2 w-full">
-          Codec
+          编解码器
         </p>
       </Switch>
       <AnimatePresence mode="wait">
@@ -180,7 +180,7 @@ function VideoCodec({ mediaIndex }: VideoCodecProps) {
           <motion.div {...slideDownTransition}>
             <Select
               fullWidth
-              label="Select Codec:"
+              label="选择编解码器："
               className="block flex-shrink-0 rounded-2xl !mt-8"
               selectedKeys={[initialCodecValue]}
               size="sm"
@@ -199,12 +199,12 @@ function VideoCodec({ mediaIndex }: VideoCodecProps) {
             >
               <SelectItem
                 key="-"
-                textValue="Default"
+                textValue="默认"
                 className="flex justify-center items-center"
                 endContent={
                   <Tooltip
-                    content="Default codec for the selected container"
-                    aria-label="Default codec for the selected container"
+                    content="所选容器的默认编解码器"
+                    aria-label="所选容器的默认编解码器"
                   >
                     <Icon
                       name="info"
@@ -215,7 +215,7 @@ function VideoCodec({ mediaIndex }: VideoCodecProps) {
                 }
               >
                 <div className="flex flex-col">
-                  <span className="text-sm">Default</span>
+                  <span className="text-sm">默认</span>
                 </div>
               </SelectItem>
               <SelectSection>
diff --git a/src/ui/VideoTrimmerTimeline/index.tsx b/src/ui/VideoTrimmerTimeline/index.tsx
index 0a2e14af..f6aa3886 100644
--- a/src/ui/VideoTrimmerTimeline/index.tsx
+++ b/src/ui/VideoTrimmerTimeline/index.tsx
@@ -427,7 +427,7 @@ const VideoTrimmerTimeline = forwardRef(
               </PopoverTrigger>
               <PopoverContent>
                 <div className="p-2">
-                  <p className="text-md mb-1">Timeline Controls:</p>
+                  <p className="text-md mb-1">时间轴控制：</p>
                   <p className="text-xs">- Click to select a track</p>
                   <p className="text-xs">
                     - Double click on the track to split