Update README.md

Removed redundant link from Chinese README.

BetterLyrics.Core/BetterLyrics.Core.csproj

@@ -0,0 +1,13 @@
+<Project Sdk="Microsoft.NET.Sdk">
+
+  <PropertyGroup>
+    <TargetFramework>net10.0</TargetFramework>
+    <ImplicitUsings>enable</ImplicitUsings>
+    <Nullable>enable</Nullable>
+  </PropertyGroup>
+
+  <ItemGroup>
+    <Folder Include="Interfaces\" />
+  </ItemGroup>
+
+</Project>

BetterLyrics.Core/Class1.cs

@@ -0,0 +1,7 @@
+namespace BetterLyrics.Core
+{
+    public class Class1
+    {
+
+    }
+}

BetterLyrics.WinUI3/BetterLyrics.WinUI3 (Package)/Package.appxmanifest

@@ -12,7 +12,7 @@
 	<Identity
 	  Name="37412.BetterLyrics"
 	  Publisher="CN=E1428B0E-DC1D-4EA4-ACB1-4556569D5BA9"
-	  Version="1.2.243.0" />
+	  Version="1.2.253.0" />
 
 	<mp:PhoneIdentity PhoneProductId="ca4a4830-fc19-40d9-b823-53e2bff3d816" PhonePublisherId="00000000-0000-0000-0000-000000000000"/>
 

BetterLyrics.WinUI3/BetterLyrics.WinUI3/App.xaml.cs

@@ -1,22 +1,23 @@
 using BetterLyrics.WinUI3.Helper;
 using BetterLyrics.WinUI3.Hooks;
-using BetterLyrics.WinUI3.Models.Db;
+using BetterLyrics.WinUI3.Models.DbContext;
 using BetterLyrics.WinUI3.Services.AlbumArtSearchService;
 using BetterLyrics.WinUI3.Services.DiscordService;
 using BetterLyrics.WinUI3.Services.FileSystemService;
 using BetterLyrics.WinUI3.Services.GSMTCService;
 using BetterLyrics.WinUI3.Services.LastFMService;
 using BetterLyrics.WinUI3.Services.LocalizationService;
+using BetterLyrics.WinUI3.Services.LyricsCacheService;
 using BetterLyrics.WinUI3.Services.LyricsSearchService;
 using BetterLyrics.WinUI3.Services.PlayHistoryService;
 using BetterLyrics.WinUI3.Services.SettingsService;
 using BetterLyrics.WinUI3.Services.SMTCService;
+using BetterLyrics.WinUI3.Services.SongSearchMapService;
 using BetterLyrics.WinUI3.Services.TranslationService;
 using BetterLyrics.WinUI3.Services.TransliterationService;
 using BetterLyrics.WinUI3.ViewModels;
 using BetterLyrics.WinUI3.Views;
 using CommunityToolkit.Mvvm.DependencyInjection;
-using Microsoft.Data.Sqlite;
 using Microsoft.EntityFrameworkCore;
 using Microsoft.Extensions.DependencyInjection;
 using Microsoft.Extensions.Logging;
@@ -24,7 +25,6 @@ using Microsoft.UI.Xaml;
 using Microsoft.Windows.AppLifecycle; // 关键：App生命周期管理
 using Serilog;
 using System;
-using System.IO;
 using System.Linq;
 using System.Text;
 using System.Threading;
@@ -126,13 +126,25 @@ namespace BetterLyrics.WinUI3
 
         protected override async void OnLaunched(LaunchActivatedEventArgs args)
         {
-            // 初始化数据库
-            await EnsureDatabasesAsync();
+            await InitDatabasesAsync();
 
             var settingsService = Ioc.Default.GetRequiredService<ISettingsService>();
+
+            // Migrate MappedSongSearchQueries
+            var songSearchMapService = Ioc.Default.GetRequiredService<ISongSearchMapService>();
+            var obsoleteSongSearchMap = settingsService.AppSettings.MappedSongSearchQueries;
+            if (obsoleteSongSearchMap.Count > 0)
+            {
+                foreach (var item in obsoleteSongSearchMap)
+                {
+                    await songSearchMapService.SaveMappingAsync(item);
+                }
+                obsoleteSongSearchMap.Clear();
+            }
+
+            // Start scan tasks in background
             var fileSystemService = Ioc.Default.GetRequiredService<IFileSystemService>();
 
-            // 开始后台扫描任务
             foreach (var item in settingsService.AppSettings.LocalMediaFolders)
             {
                 if (item.LastSyncTime == null)
@@ -142,10 +154,10 @@ namespace BetterLyrics.WinUI3
             }
             fileSystemService.StartAllFolderTimers();
 
-            // 初始化托盘
+            // Init system tray
             m_window = WindowHook.OpenOrShowWindow<SystemTrayWindow>();
 
-            // 根据设置打开歌词窗口
+            // Open lyrics window if set
             if (settingsService.AppSettings.GeneralSettings.AutoStartLyricsWindow)
             {
                 var defaultStatus = settingsService.AppSettings.WindowBoundsRecords.Where(x => x.IsDefault);
@@ -162,97 +174,39 @@ namespace BetterLyrics.WinUI3
                 }
             }
 
-            // 根据设置自动打开主界面
+            // Open music gallery if set
             if (settingsService.AppSettings.MusicGallerySettings.AutoOpen)
             {
                 WindowHook.OpenOrShowWindow<MusicGalleryWindow>();
             }
         }
 
-        private async Task EnsureDatabasesAsync()
+        private async Task InitDatabasesAsync()
         {
+            // Init databases
             var playHistoryFactory = Ioc.Default.GetRequiredService<IDbContextFactory<PlayHistoryDbContext>>();
-            var fileCacheFactory = Ioc.Default.GetRequiredService<IDbContextFactory<FilesIndexDbContext>>();
+            var songSearchMapFactory = Ioc.Default.GetRequiredService<IDbContextFactory<SongSearchMapDbContext>>();
+            var filesIndexFactory = Ioc.Default.GetRequiredService<IDbContextFactory<FilesIndexDbContext>>();
+            var lyricsCacheFactory = Ioc.Default.GetRequiredService<IDbContextFactory<LyricsCacheDbContext>>();
 
-            await SafeInitDatabaseAsync(
-                "PlayHistory",
-                PathHelper.PlayHistoryPath,
-                async () =>
-                {
-                    using var db = await playHistoryFactory.CreateDbContextAsync();
-                    await db.Database.EnsureCreatedAsync();
-                },
-                isCritical: true
-            );
-
-            await SafeInitDatabaseAsync(
-                "FileCache",
-                PathHelper.FilesIndexPath,
-                async () =>
-                {
-                    using var db = await fileCacheFactory.CreateDbContextAsync();
-                    await db.Database.EnsureCreatedAsync();
-                },
-                isCritical: false
-            );
-        }
-
-        private async Task SafeInitDatabaseAsync(string dbName, string dbPath, Func<Task> initAction, bool isCritical)
-        {
-            try
+            using (var playHistoryDb = await playHistoryFactory.CreateDbContextAsync())
             {
-                await initAction();
+                await playHistoryDb.Database.EnsureCreatedAsync();
             }
-            catch (Exception ex)
+
+            using (var songSearchMapDb = await songSearchMapFactory.CreateDbContextAsync())
             {
-                System.Diagnostics.Debug.WriteLine($"[DB Error] {dbName} init failed: {ex.Message}");
-
-                try
-                {
-                    if (File.Exists(dbPath))
-                    {
-                        // 尝试清理连接池
-                        SqliteConnection.ClearAllPools();
-
-                        if (isCritical)
-                        {
-                            var backupPath = dbPath + ".bak_" + DateTime.Now.ToString("yyyyMMddHHmmss");
-                            File.Move(dbPath, backupPath, true);
-                            await ShowErrorDialogAsync("Database Recovery", $"Database {dbName} is damaged, the old database has been backed up to {backupPath}, and the program will create a new database.");
-                        }
-                        else
-                        {
-                            File.Delete(dbPath);
-                        }
-                    }
-                    await initAction();
-                    System.Diagnostics.Debug.WriteLine($"[DB Info] {dbName} recovered successfully.");
-                }
-                catch (Exception fatalEx)
-                {
-                    System.Diagnostics.Debug.WriteLine($"[] : {fatalEx.Message}");
-                    await ShowErrorDialogAsync("Fatal Error", $"{dbName} recovery failed, please delete the file at {dbPath} and try again by restarting the program. ({fatalEx.Message})");
-                }
+                await songSearchMapDb.Database.EnsureCreatedAsync();
             }
-        }
 
-        private async Task ShowErrorDialogAsync(string title, string content)
-        {
-            // 这里假设 m_window 已经存在。如果没有显示主窗口，这个弹窗可能无法显示。
-            // 在 App 启动极早期的错误，可能需要退化为 Log 或者 System.Diagnostics.Process.Start 打开记事本报错
-            if (m_window != null)
+            using (var filesIndexDb = await filesIndexFactory.CreateDbContextAsync())
             {
-                m_window.DispatcherQueue.TryEnqueue(async () =>
-                {
-                    var dialog = new Microsoft.UI.Xaml.Controls.ContentDialog
-                    {
-                        Title = title,
-                        Content = content,
-                        CloseButtonText = "OK",
-                        XamlRoot = m_window.Content?.XamlRoot // 确保 Content 不为空
-                    };
-                    if (dialog.XamlRoot != null) await dialog.ShowAsync();
-                });
+                await filesIndexDb.Database.EnsureCreatedAsync();
+            }
+
+            using (var lyricsCacheDb = await lyricsCacheFactory.CreateDbContextAsync())
+            {
+                await lyricsCacheDb.Database.EnsureCreatedAsync();
             }
         }
 
@@ -269,6 +223,8 @@ namespace BetterLyrics.WinUI3
                     // 数据库工厂
                     .AddDbContextFactory<PlayHistoryDbContext>(options => options.UseSqlite($"Data Source={PathHelper.PlayHistoryPath}"))
                     .AddDbContextFactory<FilesIndexDbContext>(options => options.UseSqlite($"Data Source={PathHelper.FilesIndexPath}"))
+                    .AddDbContextFactory<LyricsCacheDbContext>(options => options.UseSqlite($"Data Source={PathHelper.LyricsCachePath}"))
+                    .AddDbContextFactory<SongSearchMapDbContext>(options => options.UseSqlite($"Data Source={PathHelper.SongSearchMapPath}"))
 
                     // 日志
                     .AddLogging(loggingBuilder =>
@@ -290,6 +246,8 @@ namespace BetterLyrics.WinUI3
                     .AddSingleton<ILocalizationService, LocalizationService>()
                     .AddSingleton<IFileSystemService, FileSystemService>()
                     .AddSingleton<IPlayHistoryService, PlayHistoryService>()
+                    .AddSingleton<ILyricsCacheService, LyricsCacheService>()
+                    .AddSingleton<ISongSearchMapService, SongSearchMapService>()
 
                     // ViewModels
                     .AddSingleton<AppSettingsControlViewModel>()

BetterLyrics.WinUI3/BetterLyrics.WinUI3/Constants/Time.cs

@@ -6,6 +6,7 @@ namespace BetterLyrics.WinUI3.Constants
     {
         public static readonly TimeSpan DebounceTimeout = TimeSpan.FromMilliseconds(250);
         public static readonly TimeSpan AnimationDuration = TimeSpan.FromMilliseconds(350);
+        public static readonly TimeSpan LongAnimationDuration = TimeSpan.FromMilliseconds(650);
         public static readonly TimeSpan WaitingDuration = TimeSpan.FromMilliseconds(300);
     }
 }

BetterLyrics.WinUI3/BetterLyrics.WinUI3/Controls/AboutControl.xaml

@@ -160,7 +160,8 @@
                                     <RichTextBlock>
                                         <Paragraph>
                                             <Run x:Uid="SetingsPageContributors" />
-                                            <Run Text="(Code)" />
+                                            <Run Text="-" />
+                                            <Run Foreground="{ThemeResource TextFillColorSecondaryBrush}" Text="Code" />
                                         </Paragraph>
                                     </RichTextBlock>
                                     <dev:WrapPanel Margin="-12,0,0,0" Orientation="Horizontal">
@@ -178,7 +179,8 @@
                                     <RichTextBlock>
                                         <Paragraph>
                                             <Run x:Uid="SetingsPageContributors" />
-                                            <Run Text="(Translator)" />
+                                            <Run Text="-" />
+                                            <Run Foreground="{ThemeResource TextFillColorSecondaryBrush}" Text="Translator" />
                                         </Paragraph>
                                     </RichTextBlock>
                                     <dev:WrapPanel Margin="-12,0,0,0" Orientation="Horizontal">
@@ -193,13 +195,20 @@
                                 <StackPanel Spacing="6">
                                     <TextBlock x:Uid="SettingsPagePatrons" />
                                     <dev:WrapPanel Margin="-12,0,0,0" Orientation="Horizontal">
+                                        <uc:PatronControl Date="Jan 8, 2026" PatronName="Eureka-K_K" />
+                                        <uc:PatronControl Date="Jan 3, 2026" PatronName="**轩" />
+                                        <uc:PatronControl Date="Dec 13, 2025" PatronName="&lt;Anonymous&gt;" />
                                         <uc:PatronControl Date="Dec 3, 2025" PatronName="YE" />
+                                        <uc:PatronControl Date="Dec 2, 2025" PatronName="&lt;Anonymous&gt;" />
                                         <uc:PatronControl Date="Nov 23, 2025" PatronName="**玄" />
                                         <uc:PatronControl Date="Nov 21, 2025" PatronName="**智" />
-                                        <uc:PatronControl Date="Nov 17, 2025" PatronName="*鹤" />
+                                        <uc:PatronControl Date="Nov 17, 2025" PatronName="SuHeAndZl" />
                                         <uc:PatronControl Date="Nov 2, 2025" PatronName="借过" />
                                         <uc:PatronControl Date="Aug 28, 2025" PatronName="**华" />
-                                        <TextBlock x:Uid="SettingsPageUserWhoPurchased" Margin="12,8" />
+                                        <TextBlock
+                                            x:Uid="SettingsPageUserWhoPurchased"
+                                            Margin="12,8"
+                                            Foreground="{ThemeResource TextFillColorSecondaryBrush}" />
                                     </dev:WrapPanel>
                                 </StackPanel>
                             </dev:SettingsCard>
@@ -208,7 +217,10 @@
                             <dev:SettingsCard HorizontalContentAlignment="Left" ContentAlignment="Left">
                                 <StackPanel Spacing="6">
                                     <TextBlock x:Uid="SetingsPageSpecialThanks" />
-                                    <TextBlock x:Uid="SettingsPageYouNowUsing" Margin="0,8" />
+                                    <TextBlock
+                                        x:Uid="SettingsPageYouNowUsing"
+                                        Margin="0,8"
+                                        Foreground="{ThemeResource TextFillColorSecondaryBrush}" />
                                 </StackPanel>
                             </dev:SettingsCard>
 
@@ -271,12 +283,6 @@
                         </dev:SettingsExpander.ItemsHeader>
                     </dev:SettingsExpander>
 
-                    <dev:SettingsCard x:Uid="SettingsPageSettingsPlayHistory" Visibility="Collapsed">
-                        <StackPanel Orientation="Horizontal" Spacing="6">
-                            <Button x:Uid="SettingsPageExportPlayHistoryButton" Command="{x:Bind ViewModel.ExportPlayHistoryCommand}" />
-                        </StackPanel>
-                    </dev:SettingsCard>
-
                     <dev:SettingsCard x:Uid="SettingsPageFixedTimeStep" Visibility="Collapsed">
                         <ToggleSwitch IsOn="{x:Bind ViewModel.AppSettings.AdvancedSettings.IsFixedTimeStep, Mode=TwoWay}" />
                     </dev:SettingsCard>

BetterLyrics.WinUI3/BetterLyrics.WinUI3/Controls/AboutControl.xaml.cs

@@ -1,8 +1,6 @@
 using BetterLyrics.WinUI3.ViewModels;
 using CommunityToolkit.Mvvm.DependencyInjection;
 using Microsoft.UI.Xaml.Controls;
-using Microsoft.UI.Xaml.Media;
-using System.Threading.Tasks;
 
 // To learn more about WinUI, the WinUI project structure,
 // and more about our project templates, see: http://aka.ms/winui-project-info.

BetterLyrics.WinUI3/BetterLyrics.WinUI3/Controls/DemoWindowGrid.xaml.cs

@@ -1,5 +1,5 @@
 using BetterLyrics.WinUI3.Hooks;
-using BetterLyrics.WinUI3.Models;
+using BetterLyrics.WinUI3.Models.Settings;
 using BetterLyrics.WinUI3.Services.SettingsService;
 using BetterLyrics.WinUI3.Views;
 using CommunityToolkit.Mvvm.DependencyInjection;

BetterLyrics.WinUI3/BetterLyrics.WinUI3/Controls/LyricsCanvas.xaml.cs

@@ -5,9 +5,9 @@ using BetterLyrics.WinUI3.Extensions;
 using BetterLyrics.WinUI3.Helper;
 using BetterLyrics.WinUI3.Logic;
 using BetterLyrics.WinUI3.Models;
+using BetterLyrics.WinUI3.Models.Lyrics;
 using BetterLyrics.WinUI3.Models.Settings;
 using BetterLyrics.WinUI3.Renderer;
-using BetterLyrics.WinUI3.Services.LastFMService;
 using BetterLyrics.WinUI3.Services.GSMTCService;
 using BetterLyrics.WinUI3.Services.SettingsService;
 using CommunityToolkit.Mvvm.DependencyInjection;
@@ -58,42 +58,42 @@ namespace BetterLyrics.WinUI3.Controls
 
         private readonly ValueTransition<Color> _immersiveBgColorTransition = new(
             initialValue: Colors.Transparent,
-            durationSeconds: 0.3f,
+            defaultTotalDuration: 0.3f,
             interpolator: (from, to, progress) => Helper.ColorHelper.GetInterpolatedColor(progress, from, to)
         );
         private readonly ValueTransition<double> _immersiveBgOpacityTransition = new(
             initialValue: 1f,
-            durationSeconds: 0.3f
+            defaultTotalDuration: 0.3f
         );
         private readonly ValueTransition<Color> _accentColor1Transition = new(
             initialValue: Colors.Transparent,
-            durationSeconds: 0.3f,
+            defaultTotalDuration: 0.3f,
             interpolator: (from, to, progress) => Helper.ColorHelper.GetInterpolatedColor(progress, from, to)
         );
         private readonly ValueTransition<Color> _accentColor2Transition = new(
             initialValue: Colors.Transparent,
-            durationSeconds: 0.3f,
+            defaultTotalDuration: 0.3f,
             interpolator: (from, to, progress) => Helper.ColorHelper.GetInterpolatedColor(progress, from, to)
         );
         private readonly ValueTransition<Color> _accentColor3Transition = new(
             initialValue: Colors.Transparent,
-            durationSeconds: 0.3f,
+            defaultTotalDuration: 0.3f,
             interpolator: (from, to, progress) => Helper.ColorHelper.GetInterpolatedColor(progress, from, to)
         );
         private readonly ValueTransition<Color> _accentColor4Transition = new(
             initialValue: Colors.Transparent,
-            durationSeconds: 0.3f,
+            defaultTotalDuration: 0.3f,
             interpolator: (from, to, progress) => Helper.ColorHelper.GetInterpolatedColor(progress, from, to)
         );
         private readonly ValueTransition<double> _canvasYScrollTransition = new(
             initialValue: 0f,
-            durationSeconds: 0.3f,
-            easingType: EasingType.EaseInOutSine
+            defaultTotalDuration: 0.3f,
+            defaultEasingType: EasingType.EaseInOutSine
         );
         private readonly ValueTransition<double> _mouseYScrollTransition = new(
             initialValue: 0f,
-            durationSeconds: 0.3f,
-            easingType: EasingType.EaseInOutSine
+            defaultTotalDuration: 0.3f,
+            defaultEasingType: EasingType.EaseInOutSine
         );
 
         private TimeSpan _songPositionWithOffset;
@@ -119,7 +119,7 @@ namespace BetterLyrics.WinUI3.Controls
         private bool _isLayoutChanged = true;
         private bool _isMouseScrollingChanged = false;
 
-        private int _playingLineIndex;
+        private int _primaryPlayingLineIndex;
         private (int Start, int End) _visibleRange;
         private double _canvasTargetScrollOffset;
 
@@ -292,7 +292,7 @@ namespace BetterLyrics.WinUI3.Controls
                 }
                 else if (e.Property == MouseScrollOffsetProperty)
                 {
-                    canvas._mouseYScrollTransition.StartTransition(Convert.ToDouble(e.NewValue));
+                    canvas._mouseYScrollTransition.Start(Convert.ToDouble(e.NewValue));
                 }
                 else if (e.Property == MousePositionProperty)
                 {
@@ -318,11 +318,11 @@ namespace BetterLyrics.WinUI3.Controls
                 else if (e.Property == AlbumArtThemeColorsProperty)
                 {
                     var albumArtThemeColors = (AlbumArtThemeColors)e.NewValue;
-                    canvas._immersiveBgColorTransition.StartTransition(albumArtThemeColors.EnvColor);
-                    canvas._accentColor1Transition.StartTransition(albumArtThemeColors.AccentColor1);
-                    canvas._accentColor2Transition.StartTransition(albumArtThemeColors.AccentColor2);
-                    canvas._accentColor3Transition.StartTransition(albumArtThemeColors.AccentColor3);
-                    canvas._accentColor4Transition.StartTransition(albumArtThemeColors.AccentColor4);
+                    canvas._immersiveBgColorTransition.Start(albumArtThemeColors.EnvColor);
+                    canvas._accentColor1Transition.Start(albumArtThemeColors.AccentColor1);
+                    canvas._accentColor2Transition.Start(albumArtThemeColors.AccentColor2);
+                    canvas._accentColor3Transition.Start(albumArtThemeColors.AccentColor3);
+                    canvas._accentColor4Transition.Start(albumArtThemeColors.AccentColor4);
 
                     canvas._albumArtThemeColors = albumArtThemeColors;
                     canvas._isLayoutChanged = true;
@@ -344,7 +344,6 @@ namespace BetterLyrics.WinUI3.Controls
             var lyricsEffect = _lyricsWindowStatus.LyricsEffectSettings;
 
             double songDuration = _gsmtcService.CurrentSongInfo.DurationMs;
-            bool isForceWordByWord = _settingsService.AppSettings.GeneralSettings.IsForceWordByWordEffect;
 
             Color overlayColor;
             double finalOpacity;
@@ -382,7 +381,6 @@ namespace BetterLyrics.WinUI3.Controls
                 control: sender,
                 ds: args.DrawingSession,
                 lines: _renderLyricsLines,
-                playingLineIndex: _playingLineIndex,
                 mouseHoverLineIndex: _mouseHoverLineIndex,
                 isMousePressing: _isMousePressing,
                 startVisibleIndex: _visibleRange.Start,
@@ -398,6 +396,7 @@ namespace BetterLyrics.WinUI3.Controls
                 strokeColor: _albumArtThemeColors.StrokeFontColor,
                 bgColor: _albumArtThemeColors.BgFontColor,
                 fgColor: _albumArtThemeColors.FgFontColor,
+                currentProgressMs: _songPositionWithOffset.TotalMilliseconds,
                 getPlaybackState: (lineIndex) =>
                 {
                     if (_renderLyricsLines == null) return new LinePlaybackState();
@@ -410,9 +409,7 @@ namespace BetterLyrics.WinUI3.Controls
                     return _synchronizer.GetLinePlayingProgress(
                         _songPositionWithOffset.TotalMilliseconds,
                         line,
-                        nextLine,
-                        songDuration,
-                        isForceWordByWord
+                        lyricsEffect.WordByWordEffectMode
                     );
                 }
             );
@@ -433,19 +430,19 @@ namespace BetterLyrics.WinUI3.Controls
                 );
             }
 
-#if DEBUG
-            //args.DrawingSession.DrawText(
-            //        $"Lyrics render start pos: ({(int)_renderLyricsStartX}, {(int)_renderLyricsStartY})\n" +
-            //        $"Lyrics render size: [{(int)_renderLyricsWidth} x {(int)_renderLyricsHeight}]\n" +
-            //        $"Lyrics actual height: {LyricsLayoutManager.CalculateActualHeight(_renderLyricsLines)}\n" +
-            //        $"Playing line (idx): {_playingLineIndex}\n" +
-            //        $"Mouse hovering line (idx): {_mouseHoverLineIndex}\n" +
-            //        $"Visible lines range (idx): [{_visibleRange.Start}, {_visibleRange.End}]\n" +
-            //        $"Total line count: {LyricsLayoutManager.CalculateMaxRange(_renderLyricsLines).End + 1}\n" +
-            //        $"Played: {_songPosition} / {TimeSpan.FromMilliseconds(_mediaSessionsService.CurrentSongInfo?.DurationMs ?? 0)}\n" +
-            //        $"Y offset: {_canvasYScrollTransition.Value}\n" +
-            //        $"User scroll offset: {_mouseYScrollTransition.Value}",
-            //    new Vector2(0, 0), Colors.Red);
+#if DEBUG && false
+            args.DrawingSession.DrawText(
+                    $"Lyrics render start pos: ({(int)_renderLyricsStartX}, {(int)_renderLyricsStartY})\n" +
+                    $"Lyrics render size: [{(int)_renderLyricsWidth} x {(int)_renderLyricsHeight}]\n" +
+                    $"Lyrics actual height: {LyricsLayoutManager.CalculateActualHeight(_renderLyricsLines)}\n" +
+                    $"Playing line (idx): {_playingLineIndex}\n" +
+                    $"Mouse hovering line (idx): {_mouseHoverLineIndex}\n" +
+                    $"Visible lines range (idx): [{_visibleRange.Start}, {_visibleRange.End}]\n" +
+                    $"Total line count: {LyricsLayoutManager.CalculateMaxRange(_renderLyricsLines).End + 1}\n" +
+                    $"Played: {_songPosition} / {TimeSpan.FromMilliseconds(_gsmtcService.CurrentSongInfo.DurationMs)}\n" +
+                    $"Y offset: {_canvasYScrollTransition.Value}\n" +
+                    $"User scroll offset: {_mouseYScrollTransition.Value}",
+                new Vector2(0, 0), Colors.Red);
 #endif
 
         }
@@ -475,22 +472,29 @@ namespace BetterLyrics.WinUI3.Controls
 
             #region UpdatePlayingLineIndex
 
-            int newPlayingIndex = _synchronizer.GetCurrentLineIndex(_songPositionWithOffset.TotalMilliseconds, lyricsData);
-            bool isPlayingLineChanged = newPlayingIndex != _playingLineIndex;
-            _playingLineIndex = newPlayingIndex;
+            int primaryPlayingIndex = _synchronizer.GetCurrentLineIndex(_songPositionWithOffset.TotalMilliseconds, _renderLyricsLines);
+            bool isPrimaryPlayingLineChanged = primaryPlayingIndex != _primaryPlayingLineIndex;
+            _primaryPlayingLineIndex = primaryPlayingIndex;
 
             #endregion
 
             #region UpdateTargetScrollOffset
 
-            if (isPlayingLineChanged || _isLayoutChanged)
+            if (isPrimaryPlayingLineChanged || _isLayoutChanged)
             {
-                var targetScroll = LyricsLayoutManager.CalculateTargetScrollOffset(_renderLyricsLines, _playingLineIndex);
+                var targetScroll = LyricsLayoutManager.CalculateTargetScrollOffset(_renderLyricsLines, _primaryPlayingLineIndex);
                 if (targetScroll.HasValue) _canvasTargetScrollOffset = targetScroll.Value;
 
-                _canvasYScrollTransition.SetEasingType(lyricsEffect.LyricsScrollEasingType);
-                _canvasYScrollTransition.SetDuration(lyricsEffect.LyricsScrollDuration / 1000.0);
-                _canvasYScrollTransition.StartTransition(_canvasTargetScrollOffset, _isLayoutChanged);
+                if (_isLayoutChanged)
+                {
+                    _canvasYScrollTransition.JumpTo(_canvasTargetScrollOffset);
+                }
+                else
+                {
+                    _canvasYScrollTransition.SetDurationMs(lyricsEffect.LyricsScrollDuration);
+                    _canvasYScrollTransition.SetEasingType(lyricsEffect.LyricsScrollEasingType);
+                    _canvasYScrollTransition.Start(_canvasTargetScrollOffset);
+                }
             }
             _canvasYScrollTransition.Update(elapsedTime);
 
@@ -523,7 +527,7 @@ namespace BetterLyrics.WinUI3.Controls
                 _renderLyricsLines,
                 _isMouseScrolling ? maxRange.Start : _visibleRange.Start,
                 _isMouseScrolling ? maxRange.End : _visibleRange.End,
-                _playingLineIndex,
+                _primaryPlayingLineIndex,
                 sender.Size.Height,
                 _canvasTargetScrollOffset,
                 lyricsStyle.PlayingLineTopOffset / 100.0,
@@ -535,8 +539,9 @@ namespace BetterLyrics.WinUI3.Controls
                 elapsedTime,
                 _isMouseScrolling,
                 _isLayoutChanged,
-                isPlayingLineChanged,
-                _isMouseScrollingChanged
+                isPrimaryPlayingLineChanged,
+                _isMouseScrollingChanged,
+                _songPositionWithOffset.TotalMilliseconds
             );
 
             _isMouseScrollingChanged = false;
@@ -667,15 +672,12 @@ namespace BetterLyrics.WinUI3.Controls
         private void UpdateRenderLyricsLines()
         {
             _renderLyricsLines = null;
-            _renderLyricsLines = _gsmtcService.CurrentLyricsData?.LyricsLines.Select(x => new RenderLyricsLine()
+            var lines = _gsmtcService.CurrentLyricsData?.LyricsLines.Select(x => new RenderLyricsLine(x)).ToList();
+            if (lines != null)
             {
-                LyricsSyllables = x.LyricsSyllables,
-                StartMs = x.StartMs,
-                EndMs = x.EndMs,
-                PhoneticText = x.PhoneticText,
-                OriginalText = x.OriginalText,
-                TranslatedText = x.TranslatedText
-            }).ToList();
+                LyricsLayoutManager.CalculateLanes(lines);
+            }
+            _renderLyricsLines = lines;
         }
 
         private async Task ReloadCoverBackgroundResourcesAsync()

BetterLyrics.WinUI3/BetterLyrics.WinUI3/Controls/LyricsEffectSettingsControl.xaml

@@ -23,6 +23,14 @@
                         Style="{StaticResource SettingsSectionHeaderTextBlockStyle}"
                         Text="Effect" />
 
+                    <dev:SettingsCard x:Uid="SettingsPageLyricsWordByWordEffectMode" HeaderIcon="{ui:FontIcon FontFamily={StaticResource IconFontFamily}, Glyph=&#xF714;}">
+                        <ComboBox SelectedIndex="{x:Bind LyricsEffectSettings.WordByWordEffectMode, Mode=TwoWay, Converter={StaticResource EnumToIntConverter}}">
+                            <ComboBoxItem x:Uid="SettingsPageLyricsWordByWordEffectModeAuto" />
+                            <ComboBoxItem x:Uid="SettingsPageLyricsWordByWordEffectModeNever" />
+                            <ComboBoxItem x:Uid="SettingsPageLyricsWordByWordEffectModeAlways" />
+                        </ComboBox>
+                    </dev:SettingsCard>
+
                     <!--  模糊效果  -->
                     <dev:SettingsCard x:Uid="SettingsPageLyricsBlurEffect" HeaderIcon="{ui:FontIcon FontFamily={StaticResource IconFontFamily}, Glyph=&#xE727;}">
                         <ToggleSwitch IsOn="{x:Bind LyricsEffectSettings.IsLyricsBlurEffectEnabled, Mode=TwoWay}" />
@@ -108,6 +116,14 @@
                                     Minimum="0"
                                     Value="{x:Bind LyricsEffectSettings.LyricsFloatAnimationAmount, Mode=TwoWay}" />
                             </dev:SettingsCard>
+                            <dev:SettingsCard x:Uid="LyricsEffectSettingsControlAnimationDuration">
+                                <local:ExtendedSlider
+                                    Default="450"
+                                    Maximum="2000"
+                                    Minimum="0"
+                                    Unit="ms"
+                                    Value="{x:Bind LyricsEffectSettings.LyricsFloatAnimationDuration, Mode=TwoWay}" />
+                            </dev:SettingsCard>
                         </dev:SettingsExpander.Items>
                     </dev:SettingsExpander>
 

BetterLyrics.WinUI3/BetterLyrics.WinUI3/Controls/LyricsSearchControl.xaml

@@ -8,6 +8,7 @@
     xmlns:dev="using:DevWinUI"
     xmlns:interactivity="using:Microsoft.Xaml.Interactivity"
     xmlns:local="using:BetterLyrics.WinUI3.Controls"
+    xmlns:lyricsmodels="using:BetterLyrics.WinUI3.Models.Lyrics"
     xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"
     xmlns:models="using:BetterLyrics.WinUI3.Models"
     xmlns:ui="using:CommunityToolkit.WinUI"
@@ -97,19 +98,6 @@
                                         Style="{StaticResource GhostButtonStyle}" />
                                 </Grid>
 
-                                <RichTextBlock
-                                    FontSize="12"
-                                    Foreground="{ThemeResource TextFillColorSecondaryBrush}"
-                                    TextWrapping="Wrap">
-                                    <Paragraph>
-                                        <Run Text="*" />
-                                        <Run x:Uid="ArtistsSplitHint" />
-                                    </Paragraph>
-                                    <Paragraph>
-                                        <Run Text=";    ,    /    ；    、    ，" />
-                                    </Paragraph>
-                                </RichTextBlock>
-
                             </StackPanel>
                         </Grid>
 
@@ -169,7 +157,7 @@
             <Grid Grid.Column="1">
                 <ListView ItemsSource="{x:Bind ViewModel.LyricsSearchResults, Mode=OneWay}" SelectedItem="{x:Bind ViewModel.SelectedLyricsSearchResult, Mode=TwoWay}">
                     <ListView.ItemTemplate>
-                        <DataTemplate x:DataType="models:LyricsSearchResult">
+                        <DataTemplate x:DataType="models:LyricsCacheItem">
                             <ListViewItem IsEnabled="{x:Bind IsFound}">
                                 <StackPanel Padding="0,6" Opacity="{x:Bind IsFound, Converter={StaticResource BoolToPartialOpacityConverter}}">
                                     <local:PropertyRow
@@ -180,17 +168,13 @@
                                     <!--  Lyrics search result  -->
                                     <StackPanel Visibility="{x:Bind IsFound, Converter={StaticResource BoolToVisibilityConverter}}">
                                         <local:PropertyRow x:Uid="SettingsPageSongTitle" Value="{x:Bind Title, TargetNullValue=N/A, Mode=OneWay}" />
-                                        <local:PropertyRow x:Uid="SettingsPageArtist" Value="{x:Bind DisplayArtists, TargetNullValue=N/A, Mode=OneWay}" />
+                                        <local:PropertyRow x:Uid="SettingsPageArtist" Value="{x:Bind Artist, TargetNullValue=N/A, Mode=OneWay}" />
                                         <local:PropertyRow x:Uid="SettingsPageAlbum" Value="{x:Bind Album, TargetNullValue=N/A, Mode=OneWay}" />
                                         <local:PropertyRow x:Uid="LyricsSearchControlDurauion" Value="{x:Bind Duration, Converter={StaticResource SecondsToFormattedTimeConverter}, TargetNullValue=N/A, Mode=OneWay}" />
                                         <local:PropertyRow
                                             x:Uid="LyricsPageMatchPercentage"
                                             Unit="%"
                                             Value="{x:Bind MatchPercentage, Mode=OneWay}" />
-                                        <local:PropertyRow
-                                            x:Uid="LyricsPageCachePath"
-                                            Link="{x:Bind SelfPath, TargetNullValue=N/A, Mode=OneWay}"
-                                            ToolTipService.ToolTip="{x:Bind SelfPath, TargetNullValue=N/A, Mode=OneWay}" />
                                     </StackPanel>
                                     <!--  NOT FOUND  -->
                                     <TextBlock
@@ -259,7 +243,7 @@
                         </interactivity:DataTriggerBehavior>
                     </interactivity:Interaction.Behaviors>
                     <Pivot.HeaderTemplate>
-                        <DataTemplate x:DataType="models:LyricsData">
+                        <DataTemplate x:DataType="lyricsmodels:LyricsData">
                             <StackPanel Orientation="Horizontal">
                                 <TextBlock Style="{StaticResource BodyTextBlockStyle}" Text="{x:Bind LanguageCode, Mode=OneWay, Converter={StaticResource LanguageCodeToDisplayedNameConverter}}" />
                                 <InfoBadge
@@ -271,13 +255,13 @@
                         </DataTemplate>
                     </Pivot.HeaderTemplate>
                     <Pivot.ItemTemplate>
-                        <DataTemplate x:DataType="models:LyricsData">
+                        <DataTemplate x:DataType="lyricsmodels:LyricsData">
                             <ListView
                                 ItemContainerStyle="{StaticResource ListViewStretchedItemContainerStyle}"
                                 ItemsSource="{x:Bind LyricsLines, Mode=OneWay}"
                                 SelectionMode="None">
                                 <ListView.ItemTemplate>
-                                    <DataTemplate x:DataType="models:LyricsLine">
+                                    <DataTemplate x:DataType="lyricsmodels:LyricsLine">
                                         <Grid Margin="0,6" ColumnSpacing="6">
                                             <Grid.ColumnDefinitions>
                                                 <ColumnDefinition Width="Auto" />
@@ -307,7 +291,7 @@
                                                     </interactivity:Interaction.Behaviors>
                                                 </Button>
                                             </Grid>
-                                            <local:PropertyRow Grid.Column="1" Value="{x:Bind OriginalText, Mode=OneWay}" />
+                                            <local:PropertyRow Grid.Column="1" Value="{x:Bind PrimaryText, Mode=OneWay}" />
                                         </Grid>
                                     </DataTemplate>
                                 </ListView.ItemTemplate>

BetterLyrics.WinUI3/BetterLyrics.WinUI3/Controls/LyricsSearchControl.xaml.cs

@@ -1,4 +1,4 @@
-using BetterLyrics.WinUI3.Models;
+using BetterLyrics.WinUI3.Models.Lyrics;
 using BetterLyrics.WinUI3.ViewModels;
 using CommunityToolkit.Mvvm.DependencyInjection;
 using Microsoft.UI.Xaml.Controls;

BetterLyrics.WinUI3/BetterLyrics.WinUI3/Controls/LyricsWindowSettingsControl.xaml.cs

@@ -1,6 +1,6 @@
 using BetterLyrics.WinUI3.Helper;
 using BetterLyrics.WinUI3.Hooks;
-using BetterLyrics.WinUI3.Models;
+using BetterLyrics.WinUI3.Models.Settings;
 using BetterLyrics.WinUI3.Serialization;
 using BetterLyrics.WinUI3.Services.SettingsService;
 using BetterLyrics.WinUI3.ViewModels;

BetterLyrics.WinUI3/BetterLyrics.WinUI3/Controls/MediaSettingsControl.xaml

@@ -10,6 +10,7 @@
     xmlns:local="using:BetterLyrics.WinUI3.Controls"
     xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"
     xmlns:models="using:BetterLyrics.WinUI3.Models"
+    xmlns:settingsmodels="using:BetterLyrics.WinUI3.Models.Settings"
     xmlns:ui="using:CommunityToolkit.WinUI"
     mc:Ignorable="d">
 
@@ -50,7 +51,7 @@
                         ItemsSource="{x:Bind ViewModel.AppSettings.LocalMediaFolders, Mode=OneWay}"
                         SelectionMode="None">
                         <ListView.ItemTemplate>
-                            <DataTemplate x:DataType="models:MediaFolder">
+                            <DataTemplate x:DataType="settingsmodels:MediaFolder">
                                 <dev:SettingsExpander IsExpanded="True">
 
                                     <dev:SettingsExpander.HeaderIcon>

BetterLyrics.WinUI3/BetterLyrics.WinUI3/Controls/MediaSettingsControl.xaml.cs

@@ -1,11 +1,8 @@
-using BetterLyrics.WinUI3.Models;
+using BetterLyrics.WinUI3.Models.Settings;
 using BetterLyrics.WinUI3.ViewModels;
 using CommunityToolkit.Mvvm.DependencyInjection;
 using Microsoft.UI.Xaml;
 using Microsoft.UI.Xaml.Controls;
-using System;
-using System.Threading.Tasks;
-using Windows.System;
 
 // To learn more about WinUI, the WinUI project structure,
 // and more about our project templates, see: http://aka.ms/winui-project-info.

BetterLyrics.WinUI3/BetterLyrics.WinUI3/Controls/NowPlayingBar.xaml

@@ -69,7 +69,7 @@
                                 <TextBlock
                                     FontSize="12"
                                     Foreground="{ThemeResource TextFillColorSecondaryBrush}"
-                                    Text="{x:Bind ViewModel.GSMTCService.CurrentSongInfo.DisplayArtists, Mode=OneWay}" />
+                                    Text="{x:Bind ViewModel.GSMTCService.CurrentSongInfo.Artist, Mode=OneWay}" />
                             </StackPanel>
                         </StackPanel>
 
@@ -447,7 +447,7 @@
                             Foreground="{ThemeResource TextFillColorSecondaryBrush}"
                             Text="{x:Bind ViewModel.TimelineSliderThumbLyricsLine.StartMs, Converter={StaticResource MillisecondsToFormattedTimeConverter}, Mode=OneWay}" />
                         <!--  TODO 原文翻译共同显示  -->
-                        <TextBlock Margin="0,0,0,2" Text="{x:Bind ViewModel.TimelineSliderThumbLyricsLine.OriginalText, Mode=OneWay}" />
+                        <TextBlock Margin="0,0,0,2" Text="{x:Bind ViewModel.TimelineSliderThumbLyricsLine.PrimaryText, Mode=OneWay}" />
                     </StackPanel>
                 </Grid>
                 <Grid

BetterLyrics.WinUI3/BetterLyrics.WinUI3/Controls/NowPlayingBar.xaml.cs

@@ -1,20 +1,14 @@
 using BetterLyrics.WinUI3.Enums;
+using BetterLyrics.WinUI3.Extensions;
 using BetterLyrics.WinUI3.Hooks;
-using BetterLyrics.WinUI3.Models;
-using BetterLyrics.WinUI3.Models.Settings;
-using BetterLyrics.WinUI3.Services.GSMTCService;
 using BetterLyrics.WinUI3.ViewModels;
 using BetterLyrics.WinUI3.Views;
 using CommunityToolkit.Mvvm.DependencyInjection;
-using CommunityToolkit.Mvvm.Messaging;
-using CommunityToolkit.Mvvm.Messaging.Messages;
 using Microsoft.UI.Xaml;
 using Microsoft.UI.Xaml.Controls;
 using Microsoft.UI.Xaml.Input;
-using Microsoft.UI.Xaml.Media.Imaging;
 using System;
 using System.Numerics;
-using BetterLyrics.WinUI3.Extensions;
 
 // To learn more about WinUI, the WinUI project structure,
 // and more about our project templates, see: http://aka.ms/winui-project-info.

BetterLyrics.WinUI3/BetterLyrics.WinUI3/Controls/PatronControl.xaml

@@ -10,8 +10,8 @@
 
     <Grid Margin="12,8">
         <StackPanel Orientation="Horizontal" Spacing="6">
-            <TextBlock Text="{x:Bind PatronName, Mode=OneWay}" />
-            <TextBlock Foreground="{ThemeResource TextFillColorSecondaryBrush}" Text="{x:Bind Date, Mode=OneWay}" />
+            <TextBlock Foreground="{ThemeResource TextFillColorSecondaryBrush}" Text="{x:Bind PatronName, Mode=OneWay}" />
+            <TextBlock Foreground="{ThemeResource TextFillColorTertiaryBrush}" Text="{x:Bind Date, Mode=OneWay}" />
         </StackPanel>
     </Grid>
 </UserControl>

BetterLyrics.WinUI3/BetterLyrics.WinUI3/Controls/PatronControl.xaml.cs

@@ -1,17 +1,5 @@
 using Microsoft.UI.Xaml;
 using Microsoft.UI.Xaml.Controls;
-using Microsoft.UI.Xaml.Controls.Primitives;
-using Microsoft.UI.Xaml.Data;
-using Microsoft.UI.Xaml.Input;
-using Microsoft.UI.Xaml.Media;
-using Microsoft.UI.Xaml.Navigation;
-using System;
-using System.Collections.Generic;
-using System.IO;
-using System.Linq;
-using System.Runtime.InteropServices.WindowsRuntime;
-using Windows.Foundation;
-using Windows.Foundation.Collections;
 
 // To learn more about WinUI, the WinUI project structure,
 // and more about our project templates, see: http://aka.ms/winui-project-info.

BetterLyrics.WinUI3/BetterLyrics.WinUI3/Controls/PlayQueue.xaml.cs

@@ -6,18 +6,9 @@ using CommunityToolkit.Mvvm.Messaging;
 using CommunityToolkit.Mvvm.Messaging.Messages;
 using Microsoft.UI.Xaml;
 using Microsoft.UI.Xaml.Controls;
-using Microsoft.UI.Xaml.Controls.Primitives;
-using Microsoft.UI.Xaml.Data;
 using Microsoft.UI.Xaml.Input;
-using Microsoft.UI.Xaml.Media;
-using Microsoft.UI.Xaml.Navigation;
 using System;
-using System.Collections.Generic;
-using System.IO;
 using System.Linq;
-using System.Runtime.InteropServices.WindowsRuntime;
-using Windows.Foundation;
-using Windows.Foundation.Collections;
 
 // To learn more about WinUI, the WinUI project structure,
 // and more about our project templates, see: http://aka.ms/winui-project-info.
@@ -41,7 +32,7 @@ namespace BetterLyrics.WinUI3.Controls
             var targetItem = ViewModel.SMTCService.TrackPlayingQueue
                 .ElementAtOrDefault(ViewModel.AppSettings.MusicGallerySettings.PlayQueueIndex);
             if (targetItem == null) return;
-            
+
             PlayingQueueListView.ScrollIntoView(targetItem);
         }
 

BetterLyrics.WinUI3/BetterLyrics.WinUI3/Controls/PlaybackSettingsControl.xaml

@@ -13,6 +13,7 @@
     xmlns:local="using:BetterLyrics.WinUI3.Controls"
     xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"
     xmlns:models="using:BetterLyrics.WinUI3.Models"
+    xmlns:settingsmodels="using:BetterLyrics.WinUI3.Models.Settings"
     xmlns:ui="using:CommunityToolkit.WinUI"
     mc:Ignorable="d">
 
@@ -60,7 +61,7 @@
                         ItemsSource="{x:Bind ViewModel.AppSettings.MediaSourceProvidersInfo, Mode=OneWay}"
                         SelectedItem="{x:Bind ViewModel.SelectedMediaSourceProvider, Mode=TwoWay}">
                         <ComboBox.ItemTemplate>
-                            <DataTemplate x:DataType="models:MediaSourceProviderInfo">
+                            <DataTemplate x:DataType="settingsmodels:MediaSourceProviderInfo">
                                 <Grid Padding="2,4" ColumnSpacing="12">
                                     <Grid.ColumnDefinitions>
                                         <ColumnDefinition Width="Auto" />
@@ -172,7 +173,7 @@
                                 <ScalarTransition />
                             </ListView.OpacityTransition>
                             <ListView.ItemTemplate>
-                                <DataTemplate x:DataType="models:AlbumArtSearchProviderInfo">
+                                <DataTemplate x:DataType="settingsmodels:AlbumArtSearchProviderInfo">
                                     <dev:SettingsCard Header="{Binding Provider, Converter={StaticResource AlbumArtSearchProviderToDisplayNameConverter}, Mode=OneWay}">
                                         <dev:SettingsCard.HeaderIcon>
                                             <FontIcon FontFamily="Segoe UI Symbol" Glyph="&#x283F;" />
@@ -219,7 +220,7 @@
                                 </Style>
                             </ListView.ItemContainerStyle>
                             <ListView.ItemTemplate>
-                                <DataTemplate x:DataType="models:LyricsSearchProviderInfo">
+                                <DataTemplate x:DataType="settingsmodels:LyricsSearchProviderInfo">
                                     <Grid>
                                         <dev:SettingsExpander Header="{Binding Provider, Converter={StaticResource LyricsSearchProviderToDisplayNameConverter}, Mode=OneWay}" IsExpanded="{Binding IsMatchingThresholdOverwritten, Mode=OneWay}">
                                             <dev:SettingsExpander.HeaderIcon>
@@ -227,6 +228,9 @@
                                             </dev:SettingsExpander.HeaderIcon>
                                             <ToggleSwitch IsOn="{Binding IsEnabled, Mode=TwoWay}" />
                                             <dev:SettingsExpander.Items>
+                                                <dev:SettingsCard x:Uid="LyricsSearchControlIgnoreCache">
+                                                    <CheckBox IsChecked="{Binding IgnoreCacheWhenSearching, Mode=TwoWay}" />
+                                                </dev:SettingsCard>
                                                 <dev:SettingsCard x:Uid="SettingsPageOverwriteMatchingThreshold">
                                                     <ToggleSwitch IsOn="{Binding IsMatchingThresholdOverwritten, Mode=TwoWay}" />
                                                 </dev:SettingsCard>
@@ -326,7 +330,7 @@
                             HorizontalContentAlignment="Left">
                             <StackPanel Spacing="6">
                                 <local:PropertyRow x:Uid="SettingsPageSongTitle" Value="{x:Bind ViewModel.GSMTCService.CurrentSongInfo.Title, TargetNullValue=N/A, Mode=OneWay}" />
-                                <local:PropertyRow x:Uid="SettingsPageArtist" Value="{x:Bind ViewModel.GSMTCService.CurrentSongInfo.DisplayArtists, TargetNullValue=N/A, Mode=OneWay}" />
+                                <local:PropertyRow x:Uid="SettingsPageArtist" Value="{x:Bind ViewModel.GSMTCService.CurrentSongInfo.Artist, TargetNullValue=N/A, Mode=OneWay}" />
                                 <local:PropertyRow x:Uid="SettingsPageAlbum" Value="{x:Bind ViewModel.GSMTCService.CurrentSongInfo.Album, TargetNullValue=N/A, Mode=OneWay}" />
                                 <local:PropertyRow x:Uid="LyricsSearchControlDurauion" Value="{x:Bind ViewModel.GSMTCService.CurrentSongInfo.DurationMs, TargetNullValue=N/A, Converter={StaticResource MillisecondsToFormattedTimeConverter}, Mode=OneWay}" />
                             </StackPanel>
@@ -339,7 +343,7 @@
                             HorizontalContentAlignment="Left">
                             <StackPanel Spacing="6">
                                 <local:PropertyRow x:Uid="SettingsPageSongTitle" Value="{x:Bind ViewModel.GSMTCService.CurrentLyricsSearchResult.Title, TargetNullValue=N/A, Mode=OneWay}" />
-                                <local:PropertyRow x:Uid="SettingsPageArtist" Value="{x:Bind ViewModel.GSMTCService.CurrentLyricsSearchResult.DisplayArtists, TargetNullValue=N/A, Mode=OneWay}" />
+                                <local:PropertyRow x:Uid="SettingsPageArtist" Value="{x:Bind ViewModel.GSMTCService.CurrentLyricsSearchResult.Artist, TargetNullValue=N/A, Mode=OneWay}" />
                                 <local:PropertyRow x:Uid="SettingsPageAlbum" Value="{x:Bind ViewModel.GSMTCService.CurrentLyricsSearchResult.Album, TargetNullValue=N/A, Mode=OneWay}" />
                                 <local:PropertyRow x:Uid="LyricsSearchControlDurauion" Value="{x:Bind ViewModel.GSMTCService.CurrentLyricsSearchResult.Duration, Converter={StaticResource SecondsToFormattedTimeConverter}, TargetNullValue=N/A, Mode=OneWay}" />
                                 <local:PropertyRow x:Uid="LyricsPageLanguageCode" Value="{x:Bind ViewModel.GSMTCService.CurrentLyricsData.LanguageCode, TargetNullValue=N/A, Mode=OneWay, Converter={StaticResource LanguageCodeToDisplayedNameConverter}}" />
@@ -354,10 +358,6 @@
                                     x:Uid="LyricsPageMatchPercentage"
                                     Unit="%"
                                     Value="{x:Bind ViewModel.GSMTCService.CurrentLyricsSearchResult.MatchPercentage, Mode=OneWay}" />
-                                <local:PropertyRow
-                                    x:Uid="LyricsPageCachePath"
-                                    Link="{x:Bind ViewModel.GSMTCService.CurrentLyricsSearchResult.SelfPath, TargetNullValue=N/A, Mode=OneWay, Converter={StaticResource UriStringToDecodedAbsoluteUri}}"
-                                    ToolTipService.ToolTip="{x:Bind ViewModel.GSMTCService.CurrentLyricsSearchResult.SelfPath, TargetNullValue=N/A, Mode=OneWay, Converter={StaticResource UriStringToDecodedAbsoluteUri}}" />
                             </StackPanel>
                         </Expander>
 
@@ -365,10 +365,6 @@
                             <ToggleSwitch IsOn="{x:Bind ViewModel.AppSettings.GeneralSettings.ListenOnNewPlaybackSource, Mode=TwoWay}" />
                         </dev:SettingsCard>
 
-                        <dev:SettingsCard x:Uid="SettingsPageForceWordByWordEffect">
-                            <ToggleSwitch IsOn="{x:Bind ViewModel.AppSettings.GeneralSettings.IsForceWordByWordEffect, Mode=TwoWay}" />
-                        </dev:SettingsCard>
-
                         <!--  Lyrics translation  -->
                         <TextBlock x:Uid="SettingsPageTranslation" Style="{StaticResource SettingsSectionHeaderTextBlockStyle}" />
                         <dev:SettingsExpander x:Uid="LyricsPageTranslationEnabled" IsExpanded="True">

BetterLyrics.WinUI3/BetterLyrics.WinUI3/Controls/RemoteServerConfigControl.xaml.cs

@@ -1,6 +1,6 @@
 using BetterLyrics.WinUI3.Enums;
 using BetterLyrics.WinUI3.Helper;
-using BetterLyrics.WinUI3.Models;
+using BetterLyrics.WinUI3.Models.Settings;
 using BetterLyrics.WinUI3.Services.LocalizationService;
 using BetterLyrics.WinUI3.Views;
 using CommunityToolkit.Mvvm.DependencyInjection;
@@ -142,7 +142,7 @@ namespace BetterLyrics.WinUI3.Controls
         {
             ProgressBar.Visibility = visibility;
         }
-        
+
         private void CheckPathForWarning()
         {
             string? path = PathBox.Text?.Trim();

BetterLyrics.WinUI3/BetterLyrics.WinUI3/Controls/StatsDashboardControl.xaml

@@ -74,6 +74,7 @@
                 <ComboBoxItem x:Uid="StatsDashboardControlThisMonth" />
                 <ComboBoxItem x:Uid="StatsDashboardControlThisQuarter" />
                 <ComboBoxItem x:Uid="StatsDashboardControlThisYear" />
+                <ComboBoxItem x:Uid="StatsDashboardControlAllTime" />
                 <ComboBoxItem x:Uid="StatsDashboardControlCustom" />
             </ComboBox>
 

BetterLyrics.WinUI3/BetterLyrics.WinUI3/Controls/StatsDashboardControl.xaml.cs

@@ -1,20 +1,6 @@
-using System;
-using System.Collections.Generic;
-using System.IO;
-using System.Linq;
-using System.Runtime.InteropServices.WindowsRuntime;
-using Windows.Foundation;
-using Windows.Foundation.Collections;
-using Microsoft.UI.Xaml;
-using Microsoft.UI.Xaml.Controls;
-using Microsoft.UI.Xaml.Controls.Primitives;
-using Microsoft.UI.Xaml.Data;
-using Microsoft.UI.Xaml.Input;
-using Microsoft.UI.Xaml.Media;
-using Microsoft.UI.Xaml.Navigation;
 using BetterLyrics.WinUI3.ViewModels;
 using CommunityToolkit.Mvvm.DependencyInjection;
-using BetterLyrics.WinUI3.Enums;
+using Microsoft.UI.Xaml.Controls;
 
 // To learn more about WinUI, the WinUI project structure,
 // and more about our project templates, see: http://aka.ms/winui-project-info.

BetterLyrics.WinUI3/BetterLyrics.WinUI3/Controls/WindowSettingsControl.xaml.cs

@@ -1,5 +1,4 @@
 using BetterLyrics.WinUI3.Hooks;
-using BetterLyrics.WinUI3.Models;
 using BetterLyrics.WinUI3.Models.Settings;
 using Microsoft.UI.Xaml;
 using Microsoft.UI.Xaml.Controls;

BetterLyrics.WinUI3/BetterLyrics.WinUI3/Converter/DoubleToDecimalConverter.cs

@@ -1,7 +1,5 @@
 using Microsoft.UI.Xaml.Data;
 using System;
-using System.Collections.Generic;
-using System.Text;
 
 namespace BetterLyrics.WinUI3.Converter
 {

BetterLyrics.WinUI3/BetterLyrics.WinUI3/Converter/PathToImageConverter.cs

@@ -2,9 +2,7 @@
 using Microsoft.UI.Xaml.Data;
 using Microsoft.UI.Xaml.Media.Imaging;
 using System;
-using System.Collections.Generic;
 using System.IO;
-using System.Text;
 
 namespace BetterLyrics.WinUI3.Converter
 {

BetterLyrics.WinUI3/BetterLyrics.WinUI3/Converter/UriStringToDecodedAbsoluteUri.cs

@@ -1,8 +1,6 @@
 using BetterLyrics.WinUI3.Extensions;
 using Microsoft.UI.Xaml.Data;
 using System;
-using System.Collections.Generic;
-using System.Text;
 
 namespace BetterLyrics.WinUI3.Converter
 {

BetterLyrics.WinUI3/BetterLyrics.WinUI3/Enums/AutoScanInterval.cs

@@ -1,8 +1,4 @@
-using System;
-using System.Collections.Generic;
-using System.Text;
-
-namespace BetterLyrics.WinUI3.Enums
+namespace BetterLyrics.WinUI3.Enums
 {
     public enum AutoScanInterval
     {

BetterLyrics.WinUI3/BetterLyrics.WinUI3/Enums/Language.cs

@@ -1,14 +0,0 @@
-// 2025/6/23 by Zhe Fang
-
-namespace BetterLyrics.WinUI3.Enums
-{
-    public enum Language
-    {
-        FollowSystem,
-        English,
-        SimplifiedChinese,
-        TraditionalChinese,
-        Japanese,
-        Korean,
-    }
-}

BetterLyrics.WinUI3/BetterLyrics.WinUI3/Enums/LocalSearchTargetProps.cs

@@ -1,10 +0,0 @@
-// 2025/6/23 by Zhe Fang
-
-namespace BetterLyrics.WinUI3.Enums
-{
-    public enum LocalSearchTargetProps
-    {
-        LyricsOnly,
-        LyricsAndAlbumArt,
-    }
-}

BetterLyrics.WinUI3/BetterLyrics.WinUI3/Enums/SettingsStoreType.cs

@@ -1,8 +0,0 @@
-namespace BetterLyrics.WinUI3.Enums
-{
-    public enum SettingsStoreType
-    {
-        Container,
-        JSON
-    }
-}

BetterLyrics.WinUI3/BetterLyrics.WinUI3/Enums/ShortcutID.cs

@@ -1,6 +1,6 @@
 namespace BetterLyrics.WinUI3.Enums
 {
-    public enum ShortcutID
+    public enum ShortcutId
     {
         LyricsWindowShowOrHide,
         LyricsWindowSwitch,

BetterLyrics.WinUI3/BetterLyrics.WinUI3/Enums/StatsRange.cs

@@ -1,8 +1,4 @@
-using System;
-using System.Collections.Generic;
-using System.Text;
-
-namespace BetterLyrics.WinUI3.Enums
+namespace BetterLyrics.WinUI3.Enums
 {
     public enum StatsRange
     {
@@ -11,6 +7,7 @@ namespace BetterLyrics.WinUI3.Enums
         ThisMonth,
         ThisQuarter,
         ThisYear,
+        AllTime,
         Custom
     }
 }

BetterLyrics.WinUI3/BetterLyrics.WinUI3/Enums/WordByWordEffectMode.cs

@@ -0,0 +1,13 @@
+using System;
+using System.Collections.Generic;
+using System.Text;
+
+namespace BetterLyrics.WinUI3.Enums
+{
+    public enum WordByWordEffectMode
+    {
+        Auto,
+        Never,
+        Always,
+    }
+}

BetterLyrics.WinUI3/BetterLyrics.WinUI3/Events/AlbumArtChangedEventArgs.cs

@@ -1,14 +0,0 @@
-using System;
-using System.Collections.Generic;
-using Windows.Graphics.Imaging;
-using Windows.UI;
-
-namespace BetterLyrics.WinUI3.Events
-{
-    public class AlbumArtChangedEventArgs(SoftwareBitmap? albumArtSwBitmap, List<Color> albumArtLightAccentColors, List<Color> albumArtDarkAccentColors) : EventArgs
-    {
-        public SoftwareBitmap? AlbumArtSwBitmap { get; set; } = albumArtSwBitmap;
-        public List<Color> AlbumArtLightAccentColors { get; set; } = albumArtLightAccentColors;
-        public List<Color> AlbumArtDarkAccentColors { get; set; } = albumArtDarkAccentColors;
-    }
-}

BetterLyrics.WinUI3/BetterLyrics.WinUI3/Events/LibChangedEventArgs.cs

@@ -1,14 +0,0 @@
-// 2025/6/23 by Zhe Fang
-
-using System;
-using System.IO;
-
-namespace BetterLyrics.WinUI3.Events
-{
-    public class LibChangedEventArgs(string folder, string filePath, WatcherChangeTypes changeType) : EventArgs
-    {
-        public WatcherChangeTypes ChangeType { get; } = changeType;
-        public string FilePath { get; } = filePath;
-        public string Folder { get; } = folder;
-    }
-}

BetterLyrics.WinUI3/BetterLyrics.WinUI3/Events/LyricsChangedEventArgs.cs

@@ -1,10 +0,0 @@
-using BetterLyrics.WinUI3.Models;
-using System;
-
-namespace BetterLyrics.WinUI3.Events
-{
-    public class LyricsChangedEventArgs(LyricsData? lyricsData) : EventArgs
-    {
-        public LyricsData? LyricsData { get; } = lyricsData;
-    }
-}

BetterLyrics.WinUI3/BetterLyrics.WinUI3/Events/MediaSourceProvidersInfoEventArgs.cs

@@ -1,11 +0,0 @@
-using BetterLyrics.WinUI3.Models;
-using System;
-using System.Collections.Generic;
-
-namespace BetterLyrics.WinUI3.Events
-{
-    public class MediaSourceProvidersInfoEventArgs(List<MediaSourceProviderInfo> sessionIds) : EventArgs
-    {
-        public List<MediaSourceProviderInfo> MediaSourceProviersInfo { get; set; } = sessionIds;
-    }
-}

BetterLyrics.WinUI3/BetterLyrics.WinUI3/Extensions/LyricsDataExtensions.cs

@@ -1,9 +1,9 @@
 using BetterLyrics.WinUI3.Helper;
-using BetterLyrics.WinUI3.Models;
+using BetterLyrics.WinUI3.Models.Lyrics;
+using BetterLyrics.WinUI3.Services.LocalizationService;
 using System;
 using System.Collections.Generic;
 using System.Linq;
-using System.Text;
 
 namespace BetterLyrics.WinUI3.Extensions
 {
@@ -20,13 +20,25 @@ namespace BetterLyrics.WinUI3.Extensions
                         {
                             StartMs = 0,
                             EndMs = (int)TimeSpan.FromMinutes(99).TotalMilliseconds,
-                            OriginalText = "● ● ●",
+                            PrimaryText = "● ● ●",
+                            PrimarySyllables = [new BaseLyrics { Text = "● ● ●", StartMs = 0, EndMs = (int)TimeSpan.FromMinutes(99).TotalMilliseconds }],
                         },
                     ],
                     LanguageCode = "N/A",
                 };
             }
 
+            public static LyricsData GetNotfoundPlaceholder()
+            {
+                return new LyricsData([new LyricsLine
+                {
+                    StartMs = 0,
+                    EndMs = (int)TimeSpan.FromMinutes(99).TotalMilliseconds,
+                    PrimaryText = "N/A",
+                    PrimarySyllables = [new BaseLyrics { Text = "N/A", StartMs = 0, EndMs = (int)TimeSpan.FromMinutes(99).TotalMilliseconds }],
+                }]);
+            }
+
             public void SetTranslatedText(LyricsData translationData, int toleranceMs = 50)
             {
                 foreach (var line in lyricsData.LyricsLines)
@@ -38,12 +50,12 @@ namespace BetterLyrics.WinUI3.Extensions
                     if (transLine != null)
                     {
                         // 此处 transLine.OriginalText 指翻译中的“原文”属性
-                        line.TranslatedText = transLine.OriginalText;
+                        line.SecondaryText = transLine.PrimaryText;
                     }
                     else
                     {
                         // 没有匹配的翻译
-                        line.TranslatedText = "";
+                        line.SecondaryText = "";
                     }
                 }
             }
@@ -59,12 +71,12 @@ namespace BetterLyrics.WinUI3.Extensions
                     if (transLine != null)
                     {
                         // 此处 transLine.OriginalText 指音译中的“原文”属性
-                        line.PhoneticText = transLine.OriginalText;
+                        line.TertiaryText = transLine.PrimaryText;
                     }
                     else
                     {
                         // 没有匹配的音译
-                        line.PhoneticText = "";
+                        line.TertiaryText = "";
                     }
                 }
             }
@@ -77,11 +89,11 @@ namespace BetterLyrics.WinUI3.Extensions
                 {
                     if (i >= translationArr.Count)
                     {
-                        line.TranslatedText = ""; // No translation available, keep empty
+                        line.SecondaryText = ""; // No translation available, keep empty
                     }
                     else
                     {
-                        line.TranslatedText = translationArr[i];
+                        line.SecondaryText = translationArr[i];
                     }
                     i++;
                 }
@@ -95,11 +107,11 @@ namespace BetterLyrics.WinUI3.Extensions
                 {
                     if (i >= transliterationArr.Count)
                     {
-                        line.PhoneticText = ""; // No transliteration available, keep empty
+                        line.TertiaryText = ""; // No transliteration available, keep empty
                     }
                     else
                     {
-                        line.PhoneticText = transliterationArr[i];
+                        line.TertiaryText = transliterationArr[i];
                     }
                     i++;
                 }

BetterLyrics.WinUI3/BetterLyrics.WinUI3/Extensions/LyricsSearchProviderExtensions.cs

@@ -1,6 +1,4 @@
 using BetterLyrics.WinUI3.Enums;
-using BetterLyrics.WinUI3.Helper;
-using System;
 
 namespace BetterLyrics.WinUI3.Extensions
 {
@@ -8,21 +6,6 @@ namespace BetterLyrics.WinUI3.Extensions
     {
         extension(LyricsSearchProvider provider)
         {
-            public string GetCacheDirectory() => provider switch
-            {
-                LyricsSearchProvider.LrcLib => PathHelper.LrcLibLyricsCacheDirectory,
-                LyricsSearchProvider.QQ => PathHelper.QQLyricsCacheDirectory,
-                LyricsSearchProvider.Netease => PathHelper.NeteaseLyricsCacheDirectory,
-                LyricsSearchProvider.Kugou => PathHelper.KugouLyricsCacheDirectory,
-                LyricsSearchProvider.AmllTtmlDb => PathHelper.AmllTtmlDbLyricsCacheDirectory,
-                LyricsSearchProvider.AppleMusic => PathHelper.AppleMusicCacheDirectory,
-                LyricsSearchProvider.LocalMusicFile => PathHelper.LocalMusicCacheDirectory,
-                LyricsSearchProvider.LocalLrcFile => PathHelper.LocalLrcCacheDirectory,
-                LyricsSearchProvider.LocalEslrcFile => PathHelper.LocalEslrcCacheDirectory,
-                LyricsSearchProvider.LocalTtmlFile => PathHelper.LocalTtmlCacheDirectory,
-                _ => throw new ArgumentOutOfRangeException(nameof(provider)),
-            };
-
             public LyricsFormat GetLyricsFormat() => provider switch
             {
                 LyricsSearchProvider.LrcLib => LyricsFormat.Lrc,

BetterLyrics.WinUI3/BetterLyrics.WinUI3/Extensions/LyricsWindowStatusExtensions.cs

@@ -1,6 +1,5 @@
 using BetterLyrics.WinUI3.Enums;
 using BetterLyrics.WinUI3.Hooks;
-using BetterLyrics.WinUI3.Models;
 using BetterLyrics.WinUI3.Models.Settings;
 using BetterLyrics.WinUI3.Services.LocalizationService;
 using BetterLyrics.WinUI3.Views;

BetterLyrics.WinUI3/BetterLyrics.WinUI3/Extensions/SongInfoExtensions.cs

@@ -1,5 +1,9 @@
 using BetterLyrics.WinUI3.Models;
+using BetterLyrics.WinUI3.Models.Entities;
 using System;
+using System.Globalization;
+using System.Security.Cryptography;
+using System.Text;
 
 namespace BetterLyrics.WinUI3.Extensions
 {
@@ -9,7 +13,7 @@ namespace BetterLyrics.WinUI3.Extensions
         {
             Title = "N/A",
             Album = "N/A",
-            Artists = ["N/A"],
+            Artist = "N/A",
         };
 
         extension(SongInfo songInfo)
@@ -20,9 +24,9 @@ namespace BetterLyrics.WinUI3.Extensions
                 return songInfo;
             }
 
-            public SongInfo WithArtist(string[] value)
+            public SongInfo WithArtist(string value)
             {
-                songInfo.Artists = value;
+                songInfo.Artist = value;
                 return songInfo;
             }
 
@@ -32,6 +36,12 @@ namespace BetterLyrics.WinUI3.Extensions
                 return songInfo;
             }
 
+            public SongInfo WithSongId(string value)
+            {
+                songInfo.SongId = value;
+                return songInfo;
+            }
+
             public PlayHistoryItem? ToPlayHistoryItem(double actualPlayedMs)
             {
                 if (songInfo == null) return null;
@@ -39,7 +49,7 @@ namespace BetterLyrics.WinUI3.Extensions
                 return new PlayHistoryItem
                 {
                     Title = songInfo.Title,
-                    Artist = songInfo.DisplayArtists,
+                    Artist = songInfo.Artist,
                     Album = songInfo.Album,
                     PlayerId = songInfo.PlayerId ?? "N/A",
                     TotalDurationMs = songInfo.DurationMs,
@@ -47,6 +57,23 @@ namespace BetterLyrics.WinUI3.Extensions
                     StartedAt = DateTime.FromBinary(songInfo.StartedAt)
                 };
             }
+
+            public string GetCacheKey()
+            {
+                string title = songInfo.Title?.Trim() ?? "";
+                string album = songInfo.Album?.Trim() ?? "";
+
+                string artists = songInfo.Artist?.Trim() ?? "";
+
+                long seconds = (long)Math.Round(songInfo.Duration);
+                string durationPart = seconds.ToString(CultureInfo.InvariantCulture);
+
+                string rawKey = $"{title}|{artists}|{album}|{durationPart}";
+
+                using var sha256 = SHA256.Create();
+                byte[] bytes = sha256.ComputeHash(Encoding.UTF8.GetBytes(rawKey));
+                return Convert.ToHexString(bytes);
+            }
         }
     }
 }

BetterLyrics.WinUI3/BetterLyrics.WinUI3/Helper/ColorHelper.cs

@@ -4,7 +4,6 @@ using BetterLyrics.WinUI3.Enums;
 using BetterLyrics.WinUI3.Hooks;
 using Microsoft.UI;
 using Microsoft.UI.Xaml;
-using SkiaSharp;
 using System;
 using System.Collections.Generic;
 using System.Drawing.Imaging;

BetterLyrics.WinUI3/BetterLyrics.WinUI3/Helper/DirectoryHelper.cs

@@ -56,6 +56,57 @@
                 }
                 catch (Exception) { }
             }
+
+            /// <summary>
+            /// https://learn.microsoft.com/zh-cn/dotnet/standard/io/how-to-copy-directories
+            /// </summary>
+            /// <param name="sourceDir"></param>
+            /// <param name="destinationDir"></param>
+            /// <param name="recursive"></param>
+            /// <exception cref="DirectoryNotFoundException"></exception>
+            public static void CopyDirectory(string sourceDir, string destinationDir, bool recursive)
+            {
+                // Get information about the source directory
+                var dir = new DirectoryInfo(sourceDir);
+
+                // Check if the source directory exists
+                if (!dir.Exists)
+                    throw new DirectoryNotFoundException($"Source directory not found: {dir.FullName}");
+
+                // Cache directories before we start copying
+                DirectoryInfo[] dirs = dir.GetDirectories();
+
+                // Create the destination directory
+                Directory.CreateDirectory(destinationDir);
+
+                // Get the files in the source directory and copy to the destination directory
+                foreach (FileInfo file in dir.GetFiles())
+                {
+                    string targetFilePath = Path.Combine(destinationDir, file.Name);
+
+                    CopyLockedFile(file.FullName, targetFilePath);
+                }
+
+                // If recursive and copying subdirectories, recursively call this method
+                if (recursive)
+                {
+                    foreach (DirectoryInfo subDir in dirs)
+                    {
+                        string newDestinationDir = Path.Combine(destinationDir, subDir.Name);
+                        CopyDirectory(subDir.FullName, newDestinationDir, true);
+                    }
+                }
+            }
+
+            private static void CopyLockedFile(string sourcePath, string targetPath)
+            {
+                using (var sourceStream = new FileStream(sourcePath, FileMode.Open, FileAccess.Read, FileShare.ReadWrite))
+                using (var destStream = new FileStream(targetPath, FileMode.Create, FileAccess.Write))
+                {
+                    sourceStream.CopyTo(destStream);
+                }
+            }
+
         }
     }
 }

BetterLyrics.WinUI3/BetterLyrics.WinUI3/Helper/FileHelper.cs

@@ -3,7 +3,6 @@
 using BetterLyrics.WinUI3.Enums;
 using BetterLyrics.WinUI3.Extensions;
 using BetterLyrics.WinUI3.Models;
-using BetterLyrics.WinUI3.Serialization;
 using System;
 using System.Collections.Generic;
 using System.IO;
@@ -53,22 +52,6 @@ namespace BetterLyrics.WinUI3.Helper
             return sb.ToString();
         }
 
-        public static LyricsSearchResult? ReadLyricsCache(SongInfo songInfo, LyricsSearchProvider lyricsSearchProvider)
-        {
-            var cacheFilePath = Path.Combine(
-                lyricsSearchProvider.GetCacheDirectory(),
-                SanitizeFileName($"{songInfo.ToFileName()}.json"));
-
-            if (File.Exists(cacheFilePath))
-            {
-                var json = File.ReadAllText(cacheFilePath);
-                var data = System.Text.Json.JsonSerializer.Deserialize(json, SourceGenerationContext.Default.LyricsSearchResult);
-                data?.SelfPath = cacheFilePath;
-                return data;
-            }
-            return null;
-        }
-
         public static byte[]? ReadAlbumArtCache(string album, string artist, string format, string cacheFolderPath)
         {
             var cacheFilePath = Path.Combine(cacheFolderPath, SanitizeFileName($"{artist} - {album}{format}"));
@@ -79,19 +62,9 @@ namespace BetterLyrics.WinUI3.Helper
             return null;
         }
 
-        public static void WriteLyricsCache(SongInfo songInfo, LyricsSearchResult lyricsSearchResult)
-        {
-            var cacheFilePath = Path.Combine(
-                lyricsSearchResult.Provider.GetCacheDirectory(),
-                SanitizeFileName($"{songInfo.ToFileName()}.json"));
-            lyricsSearchResult.SelfPath = cacheFilePath;
-            var json = System.Text.Json.JsonSerializer.Serialize(lyricsSearchResult, SourceGenerationContext.Default.LyricsSearchResult);
-            File.WriteAllText(cacheFilePath, json);
-        }
-
         public static void WriteAlbumArtCache(SongInfo songInfo, byte[] img, string format, string cacheFolderPath)
         {
-            var cacheFilePath = Path.Combine(cacheFolderPath, SanitizeFileName($"{songInfo.DisplayArtists} - {songInfo.Album}{format}"));
+            var cacheFilePath = Path.Combine(cacheFolderPath, SanitizeFileName($"{songInfo.Artist} - {songInfo.Album}{format}"));
             File.WriteAllBytes(cacheFilePath, img);
         }
 

BetterLyrics.WinUI3/BetterLyrics.WinUI3/Helper/FolderTreeBuilder.cs

@@ -1,8 +1,9 @@
-using System;
+using BetterLyrics.WinUI3.Models;
+using BetterLyrics.WinUI3.Models.Settings;
+using System;
 using System.Collections.Generic;
-using System.Linq;
 using System.Collections.ObjectModel;
-using BetterLyrics.WinUI3.Models;
+using System.Linq;
 
 public static class FolderTreeBuilder
 {

BetterLyrics.WinUI3/BetterLyrics.WinUI3/Helper/LanguageHelper.cs

@@ -3,7 +3,6 @@ using BetterLyrics.WinUI3.Services.LocalizationService;
 using CommunityToolkit.Mvvm.DependencyInjection;
 using NTextCat;
 using System.Collections.Generic;
-using System.ComponentModel.Design;
 using System.Globalization;
 using System.Linq;
 using Windows.Globalization;

BetterLyrics.WinUI3/BetterLyrics.WinUI3/Helper/MetadataComparer.cs

@@ -1,4 +1,5 @@
 using BetterLyrics.WinUI3.Models;
+using BetterLyrics.WinUI3.Models.Entities;
 using F23.StringSimilarity;
 using System;
 using System.IO;
@@ -9,29 +10,39 @@ namespace BetterLyrics.WinUI3.Helper
 {
     public static partial class MetadataComparer
     {
-        private const double WeightTitle = 0.40;
-        private const double WeightArtist = 0.40;
+        private const double WeightTitle = 0.30;
+        private const double WeightArtist = 0.30;
         private const double WeightAlbum = 0.10;
-        private const double WeightDuration = 0.10;
+        private const double WeightDuration = 0.30;
 
         // JaroWinkler 适合短字符串匹配
         private static readonly JaroWinkler _algo = new();
 
-        public static int CalculateScore(SongInfo local, LyricsSearchResult remote)
+        public static int CalculateScore(SongInfo songInfo, LyricsCacheItem remote)
         {
-            if (local == null || remote == null) return 0;
+            return CalculateScore(songInfo, remote.Title, remote.Artist, remote.Album, remote.Duration);
+        }
 
+        public static int CalculateScore(SongInfo songInfo, FilesIndexItem local)
+        {
+            return CalculateScore(songInfo, local.Title, local.Artist, local.Album, local.Duration, local.FileName);
+        }
+
+        public static int CalculateScore(
+            SongInfo songInfo, 
+            string? compareTitle, string? compareArtist, string? compareAlbum, double? compareDuration, string? compareFileName = null)
+        {
             double totalScore = 0;
 
-            bool localHasMetadata = !string.IsNullOrWhiteSpace(local.Title);
-            bool remoteHasMetadata = !string.IsNullOrWhiteSpace(remote.Title);
+            bool localHasMetadata = !string.IsNullOrWhiteSpace(songInfo.Title);
+            bool remoteHasMetadata = !string.IsNullOrWhiteSpace(compareTitle);
 
             if (localHasMetadata && remoteHasMetadata)
             {
-                double titleScore = GetStringSimilarity(local.Title, remote.Title);
-                double artistScore = GetArtistSimilarity(local.Artists, remote.Artists);
-                double albumScore = GetStringSimilarity(local.Album, remote.Album);
-                double durationScore = GetDurationSimilarity(local.DurationMs, remote.Duration);
+                double titleScore = GetStringSimilarity(songInfo.Title, compareTitle);
+                double artistScore = GetStringSimilarity(songInfo.Artist, compareArtist);
+                double albumScore = GetStringSimilarity(songInfo.Album, compareAlbum);
+                double durationScore = GetDurationSimilarity(songInfo.Duration, compareDuration);
 
                 totalScore = (titleScore * WeightTitle) +
                                     (artistScore * WeightArtist) +
@@ -41,12 +52,12 @@ namespace BetterLyrics.WinUI3.Helper
             else
             {
                 string? localQuery = localHasMetadata
-                    ? $"{local.Title} {string.Join(" ", local.Artists ?? [])}"
-                    : Path.GetFileNameWithoutExtension(local.LinkedFileName);
+                    ? $"{songInfo.Title} {songInfo.Artist}"
+                    : Path.GetFileNameWithoutExtension(songInfo.LinkedFileName);
 
-                string remoteQuery = remoteHasMetadata
-                    ? $"{remote.Title} {string.Join(" ", remote.Artists ?? [])}"
-                    : Path.GetFileNameWithoutExtension(remote.Reference);
+                string? remoteQuery = remoteHasMetadata
+                    ? $"{compareTitle} {compareArtist}"
+                    : Path.GetFileNameWithoutExtension(compareFileName);
 
                 string fp1 = CreateSortedFingerprint(localQuery);
                 string fp2 = CreateSortedFingerprint(remoteQuery);
@@ -83,19 +94,18 @@ namespace BetterLyrics.WinUI3.Helper
             return _algo.Similarity(s1, s2);
         }
 
-        private static double GetDurationSimilarity(double localMs, double? remoteSeconds)
+        private static double GetDurationSimilarity(double localSeconds, double? remoteSeconds)
         {
             if (remoteSeconds == null || remoteSeconds == 0) return 0.0; // 远程没有时长数据，不匹配
 
-            double localSeconds = localMs / 1000.0;
             double diff = Math.Abs(localSeconds - remoteSeconds.Value);
 
-            // 差距 <= 3秒：100% 相似
-            // 差距 >= 20秒：0% 相似
+            // 差距 <= 1 秒：100 % 相似
+            // 差距 >= 10 秒：0 % 相似
             // 中间线性插值
 
-            const double PerfectTolerance = 3.0;
-            const double MaxTolerance = 20.0;
+            const double PerfectTolerance = 1.0;
+            const double MaxTolerance = 10.0;
 
             if (diff <= PerfectTolerance) return 1.0;
             if (diff >= MaxTolerance) return 0.0;

BetterLyrics.WinUI3/BetterLyrics.WinUI3/Helper/PathHelper.cs

@@ -40,16 +40,6 @@ namespace BetterLyrics.WinUI3.Helper
         public static string LogFilePattern => Path.Combine(LogDirectory, "log-.txt");
 
         public static string LyricsCacheDirectory => Path.Combine(CacheFolder, "lyrics");
-        public static string LrcLibLyricsCacheDirectory => Path.Combine(LyricsCacheDirectory, "lrclib");
-        public static string NeteaseLyricsCacheDirectory => Path.Combine(LyricsCacheDirectory, "netease");
-        public static string QQLyricsCacheDirectory => Path.Combine(LyricsCacheDirectory, "qq");
-        public static string KugouLyricsCacheDirectory => Path.Combine(LyricsCacheDirectory, "kugou");
-        public static string AmllTtmlDbLyricsCacheDirectory => Path.Combine(LyricsCacheDirectory, "amll-ttml-db");
-        public static string AppleMusicCacheDirectory => Path.Combine(LyricsCacheDirectory, "apple-music");
-        public static string LocalMusicCacheDirectory => Path.Combine(LyricsCacheDirectory, "local-music");
-        public static string LocalLrcCacheDirectory => Path.Combine(LyricsCacheDirectory, "local-lrc");
-        public static string LocalEslrcCacheDirectory => Path.Combine(LyricsCacheDirectory, "local-eslrc");
-        public static string LocalTtmlCacheDirectory => Path.Combine(LyricsCacheDirectory, "local-ttml");
         public static string AmllTtmlDbIndexPath => Path.Combine(LyricsCacheDirectory, "amll-ttml-db-index.jsonl");
         public static string AmllTtmlDbLastUpdatedPath => Path.Combine(LyricsCacheDirectory, "amll-ttml-db-last-updated.txt");
 
@@ -60,24 +50,14 @@ namespace BetterLyrics.WinUI3.Helper
         public static string PlayQueuePath => Path.Combine(LocalFolder, "play-queue.m3u");
         public static string PlayHistoryPath => Path.Combine(LocalFolder, "play-history.db");
         public static string FilesIndexPath => Path.Combine(LocalFolder, "files-index.db");
+        public static string SongSearchMapPath => Path.Combine(LocalFolder, "song-search-map.db");
+        public static string LyricsCachePath => Path.Combine(LyricsCacheDirectory, "lyrics-cache.db");
 
         public static void EnsureDirectories()
         {
             Directory.CreateDirectory(SettingsDirectory);
-
             Directory.CreateDirectory(LogDirectory);
-
-            Directory.CreateDirectory(LrcLibLyricsCacheDirectory);
-            Directory.CreateDirectory(QQLyricsCacheDirectory);
-            Directory.CreateDirectory(KugouLyricsCacheDirectory);
-            Directory.CreateDirectory(NeteaseLyricsCacheDirectory);
-            Directory.CreateDirectory(AmllTtmlDbLyricsCacheDirectory);
-            Directory.CreateDirectory(AppleMusicCacheDirectory);
-            Directory.CreateDirectory(LocalMusicCacheDirectory);
-            Directory.CreateDirectory(LocalLrcCacheDirectory);
-            Directory.CreateDirectory(LocalEslrcCacheDirectory);
-            Directory.CreateDirectory(LocalTtmlCacheDirectory);
-
+            Directory.CreateDirectory(LyricsCacheDirectory);
             Directory.CreateDirectory(iTunesAlbumArtCacheDirectory);
             Directory.CreateDirectory(LocalAlbumArtCacheDirectory);
         }

BetterLyrics.WinUI3/BetterLyrics.WinUI3/Helper/PickerHelper.cs

@@ -42,19 +42,23 @@ namespace BetterLyrics.WinUI3.Helper
             return file;
         }
 
-        public static async Task<StorageFile?> PickSaveFileAsync<T>(IDictionary<string, IList<string>> fileTypeChoices)
+        public static async Task<StorageFile?> PickSaveFileAsync<T>(IDictionary<string, IList<string>> fileTypeChoices, string? suggestedFileName = null)
         {
             var window = WindowHook.GetWindow<T>();
 
-            return await PickSaveFileAsync(window, fileTypeChoices);
+            return await PickSaveFileAsync(window, fileTypeChoices, suggestedFileName);
         }
 
-        public static async Task<StorageFile?> PickSaveFileAsync<T>(T? window, IDictionary<string, IList<string>> fileTypeChoices)
+        public static async Task<StorageFile?> PickSaveFileAsync<T>(T? window, IDictionary<string, IList<string>> fileTypeChoices, string? suggestedFileName = null)
         {
             if (window == null) return null;
 
             var picker = new Windows.Storage.Pickers.FileSavePicker();
             picker.FileTypeChoices.AddRange(fileTypeChoices);
+            if (suggestedFileName != null)
+            {
+                picker.SuggestedFileName = suggestedFileName;
+            }
 
             var hwnd = WindowNative.GetWindowHandle(window);
             InitializeWithWindow.Initialize(picker, hwnd);

BetterLyrics.WinUI3/BetterLyrics.WinUI3/Helper/ValueTransition.cs

@@ -1,153 +1,241 @@
-// 2025/6/23 by Zhe Fang
-
-using BetterLyrics.WinUI3.Enums;
+using BetterLyrics.WinUI3.Enums;
+using BetterLyrics.WinUI3.Models;
 using System;
+using System.Collections.Generic;
 
 namespace BetterLyrics.WinUI3.Helper
 {
-    public class ValueTransition<T>
-        where T : struct
+    public class ValueTransition<T> where T : struct
     {
+        // 状态变量
         private T _currentValue;
-        private double _durationSeconds;
-        private double _delaySeconds;
-        private double _delayRemaining;
-        private EasingType? _easingType;
-        private Func<T, T, double, T> _interpolator;
-        private bool _isTransitioning;
-        private double _progress;
         private T _startValue;
         private T _targetValue;
 
-        public double DurationSeconds => _durationSeconds;
-        public double DelaySeconds => _delaySeconds;
+        // 核心队列
+        private readonly Queue<Keyframe<T>> _keyframeQueue = new Queue<Keyframe<T>>();
 
-        public bool IsTransitioning => _isTransitioning;
+        // 时间控制
+        private double _stepDuration;             // 当前这一段的时长 (动态变化)
+        private double _totalDurationForAutoSplit; // 自动均分模式的总时长
+        private double _configuredDelaySeconds;    // 配置的延迟时长
+
+        // 动画状态
+        private Enums.EasingType? _easingType;
+        private Func<T, T, double, T> _interpolator;
+        private bool _isTransitioning;
+        private double _progress; // 当前段的进度 (0.0 ~ 1.0)
+
+        // 公开属性
         public T Value => _currentValue;
-        public T StartValue => _startValue;
-        public T TargetValue => _targetValue;
-        public EasingType? EasingType => _easingType;
-        public double Progress => _progress;
+        public bool IsTransitioning => _isTransitioning;
+        public T TargetValue => _targetValue; // 获取当前段的目标值
+        public Enums.EasingType? EasingType => _easingType;
+        public double DurationSeconds => _totalDurationForAutoSplit;
 
-        public ValueTransition(T initialValue, double durationSeconds, Func<T, T, double, T>? interpolator = null, EasingType? easingType = null, double delaySeconds = 0)
+        public ValueTransition(T initialValue, double defaultTotalDuration = 0.3, EasingType? defaultEasingType = null, Func<T, T, double, T>? interpolator = null)
         {
             _currentValue = initialValue;
             _startValue = initialValue;
             _targetValue = initialValue;
-            _durationSeconds = durationSeconds;
-            _delaySeconds = delaySeconds;
-            _delayRemaining = 0;
-            _progress = 1f;
-            _isTransitioning = false;
+            _totalDurationForAutoSplit = defaultTotalDuration;
 
             if (interpolator != null)
             {
                 _interpolator = interpolator;
                 _easingType = null;
             }
-            else if (easingType.HasValue)
+            else if (defaultEasingType != null)
             {
-                _easingType = easingType;
-                _interpolator = GetInterpolatorByEasingType(_easingType.Value);
+                SetEasingType(defaultEasingType);
             }
             else
             {
-                _easingType = Enums.EasingType.EaseInOutQuad;
-                _interpolator = GetInterpolatorByEasingType(_easingType.Value);
+                SetEasingType(Enums.EasingType.EaseInOutQuad);
             }
         }
 
+        #region Configuration
+
         public void SetDuration(double seconds)
         {
-            if (seconds < 0)
-                throw new ArgumentOutOfRangeException(nameof(seconds), "Duration must be positive.");
-            _durationSeconds = seconds;
+            if (seconds < 0) throw new ArgumentOutOfRangeException(nameof(seconds));
+            _totalDurationForAutoSplit = seconds;
         }
 
+        public void SetDurationMs(double millionSeconds) => SetDuration(millionSeconds / 1000.0);
+
+        /// <summary>
+        /// 设置启动延迟。
+        /// 原理：在动画队列最前方插入一个“数值不变”的关键帧。
+        /// </summary>
         public void SetDelay(double seconds)
         {
-            _delaySeconds = seconds;
+            _configuredDelaySeconds = seconds;
         }
 
-        private void JumpTo(T value)
+        public void SetEasingType(Enums.EasingType? easingType)
         {
+            _easingType = easingType;
+            _interpolator = GetInterpolatorByEasingType(easingType);
+        }
+
+        #endregion
+
+        #region Control Methods
+
+        /// <summary>
+        /// 立即跳转到指定值（停止动画）
+        /// </summary>
+        public void JumpTo(T value)
+        {
+            _keyframeQueue.Clear();
             _currentValue = value;
             _startValue = value;
             _targetValue = value;
-            _progress = 1f;
-            _delayRemaining = 0;
             _isTransitioning = false;
+            _progress = 0;
         }
 
-        public void Reset(T value)
+        /// <summary>
+        /// 模式 A: 精确控制模式
+        /// 显式指定每一段的目标值和时长。
+        /// </summary>
+        public void Start(params Keyframe<T>[] keyframes)
         {
-            _currentValue = value;
-            _startValue = value;
-            _targetValue = value;
-            _progress = 0f;
-            _delayRemaining = 0;
-            _isTransitioning = false;
-        }
+            if (keyframes == null || keyframes.Length == 0) return;
 
-        public void StartTransition(T targetValue, bool jumpTo = false)
-        {
-            if (jumpTo)
+            PrepareStart();
+
+            // 1. 处理延迟 (插入静止帧)
+            if (_configuredDelaySeconds > 0)
             {
-                JumpTo(targetValue);
-                return;
+                _keyframeQueue.Enqueue(new Keyframe<T>(_currentValue, _configuredDelaySeconds));
             }
 
-            if (!targetValue.Equals(_currentValue))
+            // 2. 入队用户帧
+            foreach (var kf in keyframes)
             {
-                _startValue = _currentValue;
-                _targetValue = targetValue;
-                _progress = 0f;
-                _delayRemaining = _delaySeconds;
-                _isTransitioning = true;
+                _keyframeQueue.Enqueue(kf);
             }
+
+            MoveToNextSegment(firstStart: true);
         }
 
-        public static bool Equals(double x, double y, double tolerance)
+        /// <summary>
+        /// 模式 B: 自动均分模式 (兼容旧写法)
+        /// 指定一串目标值，系统根据 SetDuration 的总时长平均分配。
+        /// </summary>
+        public void Start(params T[] values)
         {
-            var diff = Math.Abs(x - y);
-            return diff <= tolerance || diff <= Math.Max(Math.Abs(x), Math.Abs(y)) * tolerance;
+            if (values == null || values.Length == 0) return;
+
+            // 如果目标就是当前值且只有1帧，直接跳过以省性能
+            if (values.Length == 1 && values[0].Equals(_currentValue) && _configuredDelaySeconds <= 0) return;
+
+            PrepareStart();
+
+            // 1. 处理延迟
+            if (_configuredDelaySeconds > 0)
+            {
+                _keyframeQueue.Enqueue(new Keyframe<T>(_currentValue, _configuredDelaySeconds));
+            }
+
+            // 2. 计算均分时长
+            double autoStepDuration = _totalDurationForAutoSplit / values.Length;
+
+            // 3. 入队生成帧
+            foreach (var val in values)
+            {
+                _keyframeQueue.Enqueue(new Keyframe<T>(val, autoStepDuration));
+            }
+
+            MoveToNextSegment(firstStart: true);
+        }
+
+        #endregion
+
+        #region Core Logic
+
+        private void PrepareStart()
+        {
+            _keyframeQueue.Clear();
+            _isTransitioning = true;
+        }
+
+        private void MoveToNextSegment(bool firstStart = false)
+        {
+            if (_keyframeQueue.Count > 0)
+            {
+                var kf = _keyframeQueue.Dequeue();
+
+                // 起点逻辑：如果是刚开始，起点是当前值；如果是中间切换，起点是上一段的终点
+                _startValue = firstStart ? _currentValue : _targetValue;
+                _targetValue = kf.Value;
+                _stepDuration = kf.Duration;
+
+                if (firstStart) _progress = 0f;
+                // 注意：非 firstStart 时不重置 _progress，保留溢出值以平滑过渡
+            }
+            else
+            {
+                // 队列耗尽，动画结束
+                _currentValue = _targetValue;
+                _isTransitioning = false;
+                _progress = 1f;
+            }
         }
 
         public void Update(TimeSpan elapsedTime)
         {
             if (!_isTransitioning) return;
 
-            if (_delayRemaining > 0)
-            {
-                double consume = Math.Min(_delayRemaining, elapsedTime.TotalSeconds);
-                _delayRemaining -= consume;
-                if (_delayRemaining > 0)
-                    return;
-                elapsedTime = TimeSpan.FromSeconds(elapsedTime.TotalSeconds - consume);
-            }
+            double timeStep = elapsedTime.TotalSeconds;
 
-            if (_durationSeconds <= 0)
+            // 使用 while 处理单帧时间过长跨越多段的情况
+            while (timeStep > 0 && _isTransitioning)
             {
-                _progress = 1f;
-            }
-            else
-            {
-                _progress += elapsedTime.TotalSeconds / _durationSeconds;
-            }
+                // 计算当前帧的步进比例
+                // 极小值保护，防止除以0
+                double progressDelta = (_stepDuration > 0.000001) ? (timeStep / _stepDuration) : 1.0;
 
-            if (_progress >= 1f)
-            {
-                _progress = 1f;
-                _currentValue = _targetValue;
-                _isTransitioning = false;
-            }
-            else
-            {
-                _currentValue = _interpolator(_startValue, _targetValue, _progress);
+                if (_progress + progressDelta >= 1.0)
+                {
+                    // === 当前段结束 ===
+
+                    // 1. 计算这一段实际消耗的时间
+                    double timeConsumed = (1.0 - _progress) * _stepDuration;
+
+                    // 2. 剩余时间留给下一段
+                    timeStep -= timeConsumed;
+
+                    // 3. 修正当前值到目标值
+                    _progress = 1.0;
+                    _currentValue = _targetValue;
+
+                    // 4. 切换到下一段
+                    MoveToNextSegment();
+
+                    // 5. 如果还有下一段，进度归零
+                    if (_isTransitioning) _progress = 0f;
+                }
+                else
+                {
+                    // === 当前段进行中 ===
+                    _progress += progressDelta;
+                    timeStep = 0; // 时间耗尽
+
+                    // 插值计算
+                    _currentValue = _interpolator(_startValue, _targetValue, _progress);
+                }
             }
         }
 
-        private Func<T, T, double, T> GetInterpolatorByEasingType(EasingType? type)
+        #endregion
+
+        #region Interpolators
+
+        private Func<T, T, double, T> GetInterpolatorByEasingType(Enums.EasingType? type)
         {
             if (typeof(T) == typeof(double))
             {
@@ -156,58 +244,32 @@ namespace BetterLyrics.WinUI3.Helper
                     double s = (double)(object)start;
                     double e = (double)(object)end;
                     double t = progress;
+
+                    // 使用 EasingHelper (假设您的项目中已有此辅助类)
                     switch (type)
                     {
-                        case Enums.EasingType.EaseInOutSine:
-                            t = EasingHelper.EaseInOutSine(t);
-                            break;
-                        case Enums.EasingType.EaseInOutQuad:
-                            t = EasingHelper.EaseInOutQuad(t);
-                            break;
-                        case Enums.EasingType.EaseInOutCubic:
-                            t = EasingHelper.EaseInOutCubic(t);
-                            break;
-                        case Enums.EasingType.EaseInOutQuart:
-                            t = EasingHelper.EaseInOutQuart(t);
-                            break;
-                        case Enums.EasingType.EaseInOutQuint:
-                            t = EasingHelper.EaseInOutQuint(t);
-                            break;
-                        case Enums.EasingType.EaseInOutExpo:
-                            t = EasingHelper.EaseInOutExpo(t);
-                            break;
-                        case Enums.EasingType.EaseInOutCirc:
-                            t = EasingHelper.EaseInOutCirc(t);
-                            break;
-                        case Enums.EasingType.EaseInOutBack:
-                            t = EasingHelper.EaseInOutBack(t);
-                            break;
-                        case Enums.EasingType.EaseInOutElastic:
-                            t = EasingHelper.EaseInOutElastic(t);
-                            break;
-                        case Enums.EasingType.EaseInOutBounce:
-                            t = EasingHelper.EaseInOutBounce(t);
-                            break;
-                        case Enums.EasingType.SmoothStep:
-                            t = EasingHelper.SmoothStep(t);
-                            break;
-                        case Enums.EasingType.Linear:
-                            t = EasingHelper.Linear(t);
-                            break;
-                        default:
-                            t = EasingHelper.EaseInOutQuad(t);
-                            break;
+                        case Enums.EasingType.EaseInOutSine: t = EasingHelper.EaseInOutSine(t); break;
+                        case Enums.EasingType.EaseInOutQuad: t = EasingHelper.EaseInOutQuad(t); break;
+                        case Enums.EasingType.EaseInOutCubic: t = EasingHelper.EaseInOutCubic(t); break;
+                        case Enums.EasingType.EaseInOutQuart: t = EasingHelper.EaseInOutQuart(t); break;
+                        case Enums.EasingType.EaseInOutQuint: t = EasingHelper.EaseInOutQuint(t); break;
+                        case Enums.EasingType.EaseInOutExpo: t = EasingHelper.EaseInOutExpo(t); break;
+                        case Enums.EasingType.EaseInOutCirc: t = EasingHelper.EaseInOutCirc(t); break;
+                        case Enums.EasingType.EaseInOutBack: t = EasingHelper.EaseInOutBack(t); break;
+                        case Enums.EasingType.EaseInOutElastic: t = EasingHelper.EaseInOutElastic(t); break;
+                        case Enums.EasingType.EaseInOutBounce: t = EasingHelper.EaseInOutBounce(t); break;
+                        case Enums.EasingType.SmoothStep: t = EasingHelper.SmoothStep(t); break;
+                        case Enums.EasingType.Linear: t = EasingHelper.Linear(t); break;
+                        default: t = EasingHelper.EaseInOutQuad(t); break;
                     }
+
                     return (T)(object)(s + (e - s) * t);
                 };
             }
-            throw new NotSupportedException($"Easing type {type} is not supported for type {typeof(T)}.");
+
+            throw new NotSupportedException($"Type {typeof(T)} is not supported.");
         }
 
-        public void SetEasingType(EasingType? easingType)
-        {
-            _easingType = easingType;
-            _interpolator = GetInterpolatorByEasingType(easingType);
-        }
+        #endregion
     }
 }

BetterLyrics.WinUI3/BetterLyrics.WinUI3/Helper/WebDavProbeHelper.cs

@@ -1,8 +1,6 @@
 using System;
-using System.Collections.Generic;
 using System.Net;
 using System.Net.Http;
-using System.Text;
 using System.Threading.Tasks;
 
 namespace BetterLyrics.WinUI3.Helper

BetterLyrics.WinUI3/BetterLyrics.WinUI3/Hooks/GlobalHotKeyHook.cs

@@ -20,7 +20,7 @@ namespace BetterLyrics.WinUI3.Hooks
         /// <param name="id"></param>
         /// <param name="keys"></param>
         /// <param name="action"></param>
-        private static void RegisterHotKey(Window window, ShortcutID id, List<string> keys, Action action)
+        private static void RegisterHotKey(Window window, ShortcutId id, List<string> keys, Action action)
         {
             if (keys.Count == 0) return;
 
@@ -58,7 +58,7 @@ namespace BetterLyrics.WinUI3.Hooks
             }
         }
 
-        private static void UnregisterHotKey(Window window, ShortcutID id)
+        private static void UnregisterHotKey(Window window, ShortcutId id)
         {
             HWND hwnd = WindowNative.GetWindowHandle(window);
             User32.UnregisterHotKey(hwnd, (int)id);
@@ -66,13 +66,13 @@ namespace BetterLyrics.WinUI3.Hooks
             _keys.Remove((int)id);
         }
 
-        public static void UpdateHotKey(Window window, ShortcutID id, List<string> keys, Action action)
+        public static void UpdateHotKey(Window window, ShortcutId id, List<string> keys, Action action)
         {
             UnregisterHotKey(window, id);
             RegisterHotKey(window, id, keys, action);
         }
 
-        public static bool IsHotKeyRegistered(ShortcutID id)
+        public static bool IsHotKeyRegistered(ShortcutId id)
         {
             return _actions.ContainsKey((int)id);
         }
@@ -82,7 +82,7 @@ namespace BetterLyrics.WinUI3.Hooks
             return _keys.ContainsValue(keys);
         }
 
-        public static bool TryInvokeAction(ShortcutID id)
+        public static bool TryInvokeAction(ShortcutId id)
         {
             return TryInvokeAction((int)id);
         }

BetterLyrics.WinUI3/BetterLyrics.WinUI3/Hooks/TaskbarHook.cs

@@ -7,7 +7,6 @@ using FlaUI.Core.EventHandlers;
 using FlaUI.UIA3;
 using Microsoft.UI.Dispatching;
 using System;
-using System.Diagnostics;
 using System.Drawing;
 using System.Threading;
 

BetterLyrics.WinUI3/BetterLyrics.WinUI3/Hooks/WindowHook.cs

@@ -1,7 +1,7 @@
 // 2025/6/23 by Zhe Fang
 
 using BetterLyrics.WinUI3.Enums;
-using BetterLyrics.WinUI3.Models;
+using BetterLyrics.WinUI3.Models.Settings;
 using BetterLyrics.WinUI3.Views;
 using CommunityToolkit.WinUI;
 using Microsoft.UI.Dispatching;

BetterLyrics.WinUI3/BetterLyrics.WinUI3/Logic/LyricsAnimator.cs

@@ -1,6 +1,8 @@
-using BetterLyrics.WinUI3.Helper;
-using BetterLyrics.WinUI3.Models;
+using BetterLyrics.WinUI3.Constants;
+using BetterLyrics.WinUI3.Helper;
+using BetterLyrics.WinUI3.Models.Lyrics;
 using BetterLyrics.WinUI3.Models.Settings;
+using DevWinUI;
 using System;
 using System.Collections.Generic;
 using System.Linq;
@@ -17,7 +19,7 @@ namespace BetterLyrics.WinUI3.Logic
             IList<RenderLyricsLine>? lines,
             int startIndex,
             int endIndex,
-            int playingLineIndex,
+            int primaryPlayingLineIndex,
             double canvasHeight,
             double targetYScrollOffset,
             double playingLineTopOffsetFactor,
@@ -29,38 +31,78 @@ namespace BetterLyrics.WinUI3.Logic
             TimeSpan elapsedTime,
             bool isMouseScrolling,
             bool isLayoutChanged,
-            bool isPlayingLineChanged,
-            bool isMouseScrollingChanged
+            bool isPrimaryPlayingLineChanged,
+            bool isMouseScrollingChanged,
+            double currentPositionMs
         )
         {
-            if (lines == null) return;
+            if (lines == null || lines.Count == 0) return;
 
-            var currentPlayingLine = lines.ElementAtOrDefault(playingLineIndex);
-            if (currentPlayingLine == null) return;
+            if (primaryPlayingLineIndex < 0 || primaryPlayingLineIndex >= lines.Count) return;
+            var primaryPlayingLine = lines[primaryPlayingLineIndex];
 
             var phoneticOpacity = lyricsStyle.PhoneticLyricsOpacity / 100.0;
             var originalOpacity = lyricsStyle.OriginalLyricsOpacity / 100.0;
             var translatedOpacity = lyricsStyle.TranslatedLyricsOpacity / 100.0;
 
-            for (int i = startIndex; i <= endIndex + 1; i++)
+            double topHeightFactor = canvasHeight * playingLineTopOffsetFactor;
+            double bottomHeightFactor = canvasHeight * (1 - playingLineTopOffsetFactor);
+
+            double scrollTopDurationSec = lyricsEffect.LyricsScrollTopDuration / 1000.0;
+            double scrollTopDelaySec = lyricsEffect.LyricsScrollTopDelay / 1000.0;
+            double scrollBottomDurationSec = lyricsEffect.LyricsScrollBottomDuration / 1000.0;
+            double scrollBottomDelaySec = lyricsEffect.LyricsScrollBottomDelay / 1000.0;
+            double canvasTransDuration = canvasYScrollTransition.DurationSeconds;
+
+            bool isBlurEnabled = lyricsEffect.IsLyricsBlurEffectEnabled;
+            bool isOutOfSightEnabled = lyricsEffect.IsLyricsOutOfSightEffectEnabled;
+            bool isFanEnabled = lyricsEffect.IsFanLyricsEnabled;
+            double fanAngleRad = Math.PI * (lyricsEffect.FanLyricsAngle / 180.0);
+            bool isGlowEnabled = lyricsEffect.IsLyricsGlowEffectEnabled;
+            bool isFloatEnabled = lyricsEffect.IsLyricsFloatAnimationEnabled;
+            bool isScaleEnabled = lyricsEffect.IsLyricsScaleEffectEnabled;
+
+            int safeStart = Math.Max(0, startIndex);
+            int safeEnd = Math.Min(lines.Count - 1, endIndex + 1);
+
+            for (int i = safeStart; i <= safeEnd; i++)
             {
-                var line = lines.ElementAtOrDefault(i);
-                if (line == null) continue;
+                var line = lines[i];
 
-                if (isLayoutChanged || isPlayingLineChanged || isMouseScrollingChanged)
+                var lineHeight = line.PrimaryLineHeight;
+
+                if (lineHeight == null || lineHeight <= 0) continue;
+
+                double targetCharFloat = lyricsEffect.IsLyricsFloatAnimationAmountAutoAdjust
+                    ? lineHeight.Value * 0.1
+                    : lyricsEffect.LyricsFloatAnimationAmount;
+                double targetCharGlow = lyricsEffect.IsLyricsGlowEffectAmountAutoAdjust
+                    ? lineHeight.Value * 0.2
+                    : lyricsEffect.LyricsGlowEffectAmount;
+                double targetCharScale = lyricsEffect.IsLyricsScaleEffectAmountAutoAdjust
+                    ? 1.15
+                    : lyricsEffect.LyricsScaleEffectAmount / 100.0;
+
+                var maxAnimationDurationMs = Math.Max(line.EndMs - currentPositionMs, 0);
+
+                bool isSecondaryLinePlaying = line.GetIsPlaying(currentPositionMs);
+                bool isSecondaryLinePlayingChanged = line.IsPlayingLastFrame != isSecondaryLinePlaying;
+                line.IsPlayingLastFrame = isSecondaryLinePlaying;
+
+                // 行动画
+                if (isLayoutChanged || isPrimaryPlayingLineChanged || isMouseScrollingChanged)
                 {
-                    int lineCountDelta = i - playingLineIndex;
-                    int absLineCountDelta = Math.Abs(lineCountDelta);
-                    double distanceFromPlayingLine = Math.Abs(line.OriginalPosition.Y - currentPlayingLine.OriginalPosition.Y);
+                    int lineCountDelta = i - primaryPlayingLineIndex;
+                    double distanceFromPlayingLine = Math.Abs(line.PrimaryPosition.Y - primaryPlayingLine.PrimaryPosition.Y);
 
-                    double distanceFactor = 0;
+                    double distanceFactor;
                     if (lineCountDelta < 0)
                     {
-                        distanceFactor = Math.Clamp(distanceFromPlayingLine / (canvasHeight * playingLineTopOffsetFactor), 0, 1);
+                        distanceFactor = Math.Clamp(distanceFromPlayingLine / topHeightFactor, 0, 1);
                     }
                     else
                     {
-                        distanceFactor = Math.Clamp(distanceFromPlayingLine / (canvasHeight * (1 - playingLineTopOffsetFactor)), 0, 1);
+                        distanceFactor = Math.Clamp(distanceFromPlayingLine / bottomHeightFactor, 0, 1);
                     }
 
                     double yScrollDuration;
@@ -69,64 +111,72 @@ namespace BetterLyrics.WinUI3.Logic
                     if (lineCountDelta < 0)
                     {
                         yScrollDuration =
-                            canvasYScrollTransition.DurationSeconds +
-                            distanceFactor * (lyricsEffect.LyricsScrollTopDuration / 1000.0 - canvasYScrollTransition.DurationSeconds);
-                        yScrollDelay = distanceFactor * lyricsEffect.LyricsScrollTopDelay / 1000.0;
+                            canvasTransDuration +
+                            distanceFactor * (scrollTopDurationSec - canvasTransDuration);
+                        yScrollDelay = distanceFactor * scrollTopDelaySec;
                     }
                     else if (lineCountDelta == 0)
                     {
-                        yScrollDuration = canvasYScrollTransition.DurationSeconds;
+                        yScrollDuration = canvasTransDuration;
                         yScrollDelay = 0;
                     }
                     else
                     {
                         yScrollDuration =
-                            canvasYScrollTransition.DurationSeconds +
-                            distanceFactor * (lyricsEffect.LyricsScrollBottomDuration / 1000.0 - canvasYScrollTransition.DurationSeconds);
-                        yScrollDelay = distanceFactor * lyricsEffect.LyricsScrollBottomDelay / 1000.0;
+                            canvasTransDuration +
+                            distanceFactor * (scrollBottomDurationSec - canvasTransDuration);
+                        yScrollDelay = distanceFactor * scrollBottomDelaySec;
                     }
 
                     line.BlurAmountTransition.SetDuration(yScrollDuration);
                     line.BlurAmountTransition.SetDelay(yScrollDelay);
-                    line.BlurAmountTransition.StartTransition(isMouseScrolling ? 0 : (lyricsEffect.IsLyricsBlurEffectEnabled ? (5 * distanceFactor) : 0));
+                    line.BlurAmountTransition.Start(
+                        (isMouseScrolling || isSecondaryLinePlaying) ? 0 :
+                        (isBlurEnabled ? (5 * distanceFactor) : 0));
 
                     line.ScaleTransition.SetDuration(yScrollDuration);
                     line.ScaleTransition.SetDelay(yScrollDelay);
-                    line.ScaleTransition.StartTransition(
-                        lyricsEffect.IsLyricsOutOfSightEffectEnabled ?
+                    line.ScaleTransition.Start(
+                        isSecondaryLinePlaying ? _highlightedScale :
+                        (isOutOfSightEnabled ?
                         (_highlightedScale - distanceFactor * (_highlightedScale - _defaultScale)) :
-                        _highlightedScale);
+                        _highlightedScale));
 
                     line.PhoneticOpacityTransition.SetDuration(yScrollDuration);
                     line.PhoneticOpacityTransition.SetDelay(yScrollDelay);
-                    line.PhoneticOpacityTransition.StartTransition(
+                    line.PhoneticOpacityTransition.Start(
+                        isSecondaryLinePlaying ? phoneticOpacity :
                         CalculateTargetOpacity(phoneticOpacity, phoneticOpacity, distanceFactor, isMouseScrolling, lyricsEffect));
 
+                    // 原文不透明度（已播放）
                     line.PlayedOriginalOpacityTransition.SetDuration(yScrollDuration);
                     line.PlayedOriginalOpacityTransition.SetDelay(yScrollDelay);
-                    line.PlayedOriginalOpacityTransition.StartTransition(
+                    line.PlayedOriginalOpacityTransition.Start(
+                        isSecondaryLinePlaying ? 1.0 :
                         CalculateTargetOpacity(originalOpacity, 1.0, distanceFactor, isMouseScrolling, lyricsEffect));
-
+                    // 原文不透明度（未播放）
                     line.UnplayedOriginalOpacityTransition.SetDuration(yScrollDuration);
                     line.UnplayedOriginalOpacityTransition.SetDelay(yScrollDelay);
-                    line.UnplayedOriginalOpacityTransition.StartTransition(
+                    line.UnplayedOriginalOpacityTransition.Start(
+                        isSecondaryLinePlaying ? originalOpacity :
                         CalculateTargetOpacity(originalOpacity, originalOpacity, distanceFactor, isMouseScrolling, lyricsEffect));
 
                     line.TranslatedOpacityTransition.SetDuration(yScrollDuration);
                     line.TranslatedOpacityTransition.SetDelay(yScrollDelay);
-                    line.TranslatedOpacityTransition.StartTransition(
+                    line.TranslatedOpacityTransition.Start(
+                        isSecondaryLinePlaying ? translatedOpacity :
                         CalculateTargetOpacity(translatedOpacity, translatedOpacity, distanceFactor, isMouseScrolling, lyricsEffect));
 
                     line.ColorTransition.SetDuration(yScrollDuration);
                     line.ColorTransition.SetDelay(yScrollDelay);
-                    line.ColorTransition.StartTransition(absLineCountDelta == 0 ? fgColor : bgColor);
+                    line.ColorTransition.Start(isSecondaryLinePlaying ? fgColor : bgColor);
 
                     line.AngleTransition.SetEasingType(canvasYScrollTransition.EasingType);
                     line.AngleTransition.SetDuration(yScrollDuration);
                     line.AngleTransition.SetDelay(yScrollDelay);
-                    line.AngleTransition.StartTransition(
-                        (lyricsEffect.IsFanLyricsEnabled && !isMouseScrolling) ?
-                        Math.PI * (lyricsEffect.FanLyricsAngle / 180.0) * distanceFactor * (i > playingLineIndex ? 1 : -1) :
+                    line.AngleTransition.Start(
+                        (isFanEnabled && !isMouseScrolling) ?
+                        Math.PI * (fanAngleRad / 180.0) * distanceFactor * (i > primaryPlayingLineIndex ? 1 : -1) :
                         0);
 
                     line.YOffsetTransition.SetEasingType(canvasYScrollTransition.EasingType);
@@ -134,18 +184,104 @@ namespace BetterLyrics.WinUI3.Logic
                     line.YOffsetTransition.SetDelay(yScrollDelay);
                     // 设计之初是当 isLayoutChanged 为真时 jumpTo
                     // 但考虑到动画视觉，强制使用动画
-                    line.YOffsetTransition.StartTransition(targetYScrollOffset);
+                    line.YOffsetTransition.Start(targetYScrollOffset);
                 }
 
-                line.AngleTransition.Update(elapsedTime);
-                line.ScaleTransition.Update(elapsedTime);
-                line.BlurAmountTransition.Update(elapsedTime);
-                line.PhoneticOpacityTransition.Update(elapsedTime);
-                line.PlayedOriginalOpacityTransition.Update(elapsedTime);
-                line.UnplayedOriginalOpacityTransition.Update(elapsedTime);
-                line.TranslatedOpacityTransition.Update(elapsedTime);
-                line.YOffsetTransition.Update(elapsedTime);
-                line.ColorTransition.Update(elapsedTime);
+                if (isLayoutChanged || isSecondaryLinePlayingChanged)
+                {
+                    // 辉光动画
+                    if (isGlowEnabled && lyricsEffect.LyricsGlowEffectScope == Enums.LyricsEffectScope.LineStartToCurrentChar
+                         && isSecondaryLinePlaying)
+                    {
+                        foreach (var renderChar in line.PrimaryRenderChars)
+                        {
+                            var stepInOutDuration = Math.Min(Time.AnimationDuration.TotalMilliseconds, maxAnimationDurationMs) / 2.0 / 1000.0;
+                            var stepLastingDuration = Math.Max(maxAnimationDurationMs / 1000.0 - stepInOutDuration * 2, 0);
+                            renderChar.GlowTransition.Start(
+                                new Models.Keyframe<double>(targetCharGlow, stepInOutDuration),
+                                new Models.Keyframe<double>(targetCharGlow, stepLastingDuration),
+                                new Models.Keyframe<double>(0, stepInOutDuration)
+                            );
+                        }
+                    }
+
+                    // 浮动动画
+                    if (isFloatEnabled)
+                    {
+                        foreach (var renderChar in line.PrimaryRenderChars)
+                        {
+                            renderChar.FloatTransition.Start(isSecondaryLinePlaying ? targetCharFloat : 0);
+                        }
+                    }
+                }
+
+                // 字符动画
+                foreach (var renderChar in line.PrimaryRenderChars)
+                {
+                    renderChar.ProgressPlayed = renderChar.GetPlayProgress(currentPositionMs);
+
+                    bool isCharPlaying = renderChar.GetIsPlaying(currentPositionMs);
+                    bool isCharPlayingChanged = renderChar.IsPlayingLastFrame != isCharPlaying;
+
+                    if (isCharPlayingChanged)
+                    {
+                        if (isFloatEnabled)
+                        {
+                            renderChar.FloatTransition.SetDurationMs(Math.Min(lyricsEffect.LyricsFloatAnimationDuration, maxAnimationDurationMs));
+                            renderChar.FloatTransition.Start(0);
+                        }
+
+                        renderChar.IsPlayingLastFrame = isCharPlaying;
+                    }
+                }
+
+                // 音节动画
+                foreach (var syllable in line.PrimaryRenderSyllables)
+                {
+                    bool isSyllablePlaying = syllable.GetIsPlaying(currentPositionMs);
+                    bool isSyllablePlayingChanged = syllable.IsPlayingLastFrame != isSyllablePlaying;
+
+                    if (isSyllablePlayingChanged)
+                    {
+                        if (isScaleEnabled && isSyllablePlaying)
+                        {
+                            foreach (var renderChar in syllable.ChildrenRenderLyricsChars)
+                            {
+                                if (syllable.DurationMs >= lyricsEffect.LyricsScaleEffectLongSyllableDuration)
+                                {
+                                    var stepDuration = Math.Min(syllable.DurationMs, maxAnimationDurationMs) / 2.0 / 1000.0;
+                                    renderChar.ScaleTransition.Start(
+                                        new Models.Keyframe<double>(targetCharScale, stepDuration),
+                                        new Models.Keyframe<double>(1.0, stepDuration)
+                                    );
+                                }
+                            }
+                        }
+
+                        if (isGlowEnabled && isSyllablePlaying && lyricsEffect.LyricsGlowEffectScope == Enums.LyricsEffectScope.LongDurationSyllable
+                            && syllable.DurationMs >= lyricsEffect.LyricsGlowEffectLongSyllableDuration)
+                        {
+                            foreach (var renderChar in syllable.ChildrenRenderLyricsChars)
+                            {
+                                var stepDuration = Math.Min(syllable.DurationMs, maxAnimationDurationMs) / 2.0 / 1000.0;
+                                renderChar.GlowTransition.Start(
+                                    new Models.Keyframe<double>(targetCharGlow, stepDuration),
+                                    new Models.Keyframe<double>(0, stepDuration)
+                                );
+                            }
+                        }
+
+                        syllable.IsPlayingLastFrame = isSyllablePlaying;
+                    }
+                }
+
+                // 使动画步进一帧
+                foreach (var renderChar in line.PrimaryRenderChars)
+                {
+                    renderChar.Update(elapsedTime);
+                }
+
+                line.Update(elapsedTime);
             }
         }
 

BetterLyrics.WinUI3/BetterLyrics.WinUI3/Logic/LyricsLayoutManager.cs

@@ -1,5 +1,5 @@
 using BetterLyrics.WinUI3.Helper;
-using BetterLyrics.WinUI3.Models;
+using BetterLyrics.WinUI3.Models.Lyrics;
 using BetterLyrics.WinUI3.Models.Settings;
 using Microsoft.Graphics.Canvas.UI.Xaml;
 using System;
@@ -79,50 +79,52 @@ namespace BetterLyrics.WinUI3.Logic
                 // 左上角坐标
                 line.TopLeftPosition = new Vector2(0, (float)currentY);
                 // 注音层
-                line.PhoneticPosition = line.TopLeftPosition;
-                if (line.PhoneticCanvasTextLayout != null)
+                line.TertiaryPosition = line.TopLeftPosition;
+                if (line.TertiaryTextLayout != null)
                 {
-                    currentY += line.PhoneticCanvasTextLayout.LayoutBounds.Height;
+                    currentY += line.TertiaryTextLayout.LayoutBounds.Height;
                     // 间距
-                    currentY += (line.PhoneticCanvasTextLayout.LayoutBounds.Height / line.PhoneticCanvasTextLayout.LineCount) * 0.1;
+                    currentY += (line.TertiaryTextLayout.LayoutBounds.Height / line.TertiaryTextLayout.LineCount) * 0.1;
 
-                    actualWidth = Math.Max(actualWidth, line.PhoneticCanvasTextLayout.LayoutBounds.Width);
+                    actualWidth = Math.Max(actualWidth, line.TertiaryTextLayout.LayoutBounds.Width);
                 }
 
                 // 原文层
-                line.OriginalPosition = new Vector2(0, (float)currentY);
-                if (line.OriginalCanvasTextLayout != null)
+                line.PrimaryPosition = new Vector2(0, (float)currentY);
+                if (line.PrimaryTextLayout != null)
                 {
-                    currentY += line.OriginalCanvasTextLayout.LayoutBounds.Height;
+                    currentY += line.PrimaryTextLayout.LayoutBounds.Height;
 
-                    actualWidth = Math.Max(actualWidth, line.OriginalCanvasTextLayout.LayoutBounds.Width);
+                    actualWidth = Math.Max(actualWidth, line.PrimaryTextLayout.LayoutBounds.Width);
                 }
 
                 // 翻译层
-                if (line.TranslatedCanvasTextLayout != null)
+                if (line.SecondaryTextLayout != null)
                 {
                     // 间距
-                    currentY += (line.TranslatedCanvasTextLayout.LayoutBounds.Height / line.TranslatedCanvasTextLayout.LineCount) * 0.1;
+                    currentY += (line.SecondaryTextLayout.LayoutBounds.Height / line.SecondaryTextLayout.LineCount) * 0.1;
                 }
-                line.TranslatedPosition = new Vector2(0, (float)currentY);
-                if (line.TranslatedCanvasTextLayout != null)
+                line.SecondaryPosition = new Vector2(0, (float)currentY);
+                if (line.SecondaryTextLayout != null)
                 {
-                    currentY += line.TranslatedCanvasTextLayout.LayoutBounds.Height;
+                    currentY += line.SecondaryTextLayout.LayoutBounds.Height;
 
-                    actualWidth = Math.Max(actualWidth, line.TranslatedCanvasTextLayout.LayoutBounds.Width);
+                    actualWidth = Math.Max(actualWidth, line.SecondaryTextLayout.LayoutBounds.Width);
                 }
 
                 // 右下角坐标
                 line.BottomRightPosition = new Vector2(0 + (float)actualWidth, (float)currentY);
 
                 // 行间距
-                if (line.OriginalCanvasTextLayout != null)
+                if (line.PrimaryTextLayout != null)
                 {
-                    currentY += (line.OriginalCanvasTextLayout.LayoutBounds.Height / line.OriginalCanvasTextLayout.LineCount) * style.LyricsLineSpacingFactor;
+                    currentY += (line.PrimaryTextLayout.LayoutBounds.Height / line.PrimaryTextLayout.LineCount) * style.LyricsLineSpacingFactor;
                 }
 
                 // 更新中心点
                 line.UpdateCenterPosition(lyricsWidth, style.LyricsAlignmentType);
+
+                line.RecreateRenderChars();
             }
         }
 
@@ -138,9 +140,9 @@ namespace BetterLyrics.WinUI3.Logic
             var currentLine = lines.ElementAtOrDefault(playingLineIndex);
             var firstLine = lines.FirstOrDefault();
 
-            if (currentLine?.OriginalCanvasTextLayout == null || firstLine == null) return null;
+            if (currentLine?.PrimaryTextLayout == null || firstLine == null) return null;
 
-            return -currentLine.OriginalPosition.Y + firstLine.OriginalPosition.Y
+            return -currentLine.PrimaryPosition.Y + firstLine.PrimaryPosition.Y
                 - (currentLine.BottomRightPosition.Y - currentLine.TopLeftPosition.Y) / 2.0;
         }
 
@@ -187,6 +189,37 @@ namespace BetterLyrics.WinUI3.Logic
             return lines.Last().BottomRightPosition.Y;
         }
 
+        public static void CalculateLanes(IList<RenderLyricsLine>? lines, int toleranceMs = 50)
+        {
+            if (lines == null) return;
+            var lanesEndMs = new List<int> { 0 };
+
+            foreach (var line in lines)
+            {
+                var start = line.StartMs;
+                var end = line.EndMs;
+
+                int assignedLane = -1;
+                for (int i = 0; i < lanesEndMs.Count; i++)
+                {
+                    if (lanesEndMs[i] <= start + toleranceMs)
+                    {
+                        assignedLane = i;
+                        break;
+                    }
+                }
+
+                if (assignedLane == -1)
+                {
+                    assignedLane = lanesEndMs.Count;
+                    lanesEndMs.Add(0);
+                }
+
+                lanesEndMs[assignedLane] = end;
+                line.LaneIndex = assignedLane;
+            }
+        }
+
         public static int FindMouseHoverLineIndex(
             IList<RenderLyricsLine>? lines,
             bool isMouseInLyricsArea,
@@ -208,7 +241,7 @@ namespace BetterLyrics.WinUI3.Logic
             {
                 int mid = (left + right) / 2;
                 var line = lines[mid];
-                if (line.OriginalCanvasTextLayout == null) break;
+                if (line.PrimaryTextLayout == null) break;
                 double value = offset + line.BottomRightPosition.Y;
                 if (value >= mousePosition.Y) { result = mid; right = mid - 1; }
                 else { left = mid + 1; }
@@ -234,7 +267,7 @@ namespace BetterLyrics.WinUI3.Logic
             {
                 int mid = (left + right) / 2;
                 var line = lines[mid];
-                if (line.OriginalCanvasTextLayout == null) break;
+                if (line.PrimaryTextLayout == null) break;
                 double value = offset + line.BottomRightPosition.Y;
                 // 理论上说应该使用下面这一行来精确计算视野内的首个可见行，但是考虑到动画视觉效果，还是注释掉了
                 //if (value >= lyricsY) { result = mid; right = mid - 1; }
@@ -251,7 +284,7 @@ namespace BetterLyrics.WinUI3.Logic
             {
                 int mid = (left + right) / 2;
                 var line = lines[mid];
-                if (line.OriginalCanvasTextLayout == null) break;
+                if (line.PrimaryTextLayout == null) break;
                 double value = offset + line.BottomRightPosition.Y;
                 // 同理
                 //if (value >= lyricsY + lyricsHeight) { result = mid; right = mid - 1; }

BetterLyrics.WinUI3/BetterLyrics.WinUI3/Logic/LyricsSynchronizer.cs

@@ -1,4 +1,6 @@
-using BetterLyrics.WinUI3.Models;
+using BetterLyrics.WinUI3.Enums;
+using BetterLyrics.WinUI3.Models;
+using BetterLyrics.WinUI3.Models.Lyrics;
 using System;
 using System.Collections.Generic;
 
@@ -13,48 +15,66 @@ namespace BetterLyrics.WinUI3.Logic
             _lastFoundIndex = 0;
         }
 
-        public int GetCurrentLineIndex(double currentTimeMs, LyricsData? lyricsData)
+        public int GetCurrentLineIndex(double currentTimeMs, IList<RenderLyricsLine>? lines)
         {
-            if (lyricsData == null || lyricsData.LyricsLines.Count == 0) return 0;
-            var lines = lyricsData.LyricsLines;
+            if (lines == null || lines.Count == 0) return 0;
 
-            // Cache hit
-            if (IsTimeInLine(currentTimeMs, lines, _lastFoundIndex)) return _lastFoundIndex;
-            if (_lastFoundIndex + 1 < lines.Count && IsTimeInLine(currentTimeMs, lines, _lastFoundIndex + 1))
+            if (_lastFoundIndex >= 0 && _lastFoundIndex < lines.Count)
             {
-                _lastFoundIndex++;
-                return _lastFoundIndex;
+                var lastLine = lines[_lastFoundIndex];
+                if (lastLine.LaneIndex == 0 && IsTimeInLine(currentTimeMs, lines, _lastFoundIndex))
+                {
+                    return _lastFoundIndex;
+                }
             }
 
-            // Cache miss
+            int bestCandidateIndex = -1;
+            int bestCandidateLane = int.MaxValue;
+
             for (int i = 0; i < lines.Count; i++)
             {
                 if (IsTimeInLine(currentTimeMs, lines, i))
                 {
-                    _lastFoundIndex = i;
-                    return i;
+                    var currentLine = lines[i];
+                    int currentLane = currentLine.LaneIndex;
+
+                    if (currentLane == 0)
+                    {
+                        _lastFoundIndex = i;
+                        return i;
+                    }
+
+                    if (currentLane < bestCandidateLane)
+                    {
+                        bestCandidateIndex = i;
+                        bestCandidateLane = currentLane;
+                    }
+                }
+                else if (lines[i].StartMs > currentTimeMs + 1000)
+                {
+                    break;
                 }
             }
 
-            // Default
+            if (bestCandidateIndex != -1)
+            {
+                _lastFoundIndex = bestCandidateIndex;
+                return bestCandidateIndex;
+            }
+
             return Math.Min(_lastFoundIndex, lines.Count - 1);
         }
 
         public LinePlaybackState GetLinePlayingProgress(
             double currentTimeMs,
-            LyricsLine line,
-            LyricsLine? nextLine,
-            double songDurationMs,
-            bool isForceWordByWord)
+            RenderLyricsLine line,
+            WordByWordEffectMode wordByWordEffectMode)
         {
             var state = new LinePlaybackState { SyllableStartIndex = 0, SyllableLength = 0, SyllableProgress = 0 };
 
             if (line == null) return state;
 
-            double lineEndMs;
-            if (line.EndMs != null) lineEndMs = line.EndMs.Value;
-            else if (nextLine != null) lineEndMs = nextLine.StartMs;
-            else lineEndMs = songDurationMs;
+            double lineEndMs = line.EndMs;
 
             // 还没到
             if (currentTimeMs < line.StartMs) return state;
@@ -63,42 +83,54 @@ namespace BetterLyrics.WinUI3.Logic
             if (currentTimeMs > lineEndMs)
             {
                 state.SyllableProgress = 1f;
-                state.SyllableStartIndex = Math.Max(0, line.OriginalText.Length - 1);
+                state.SyllableStartIndex = Math.Max(0, line.PrimaryText.Length - 1);
                 state.SyllableLength = 1;
                 return state;
             }
 
-            // 逐字
-            if (line.LyricsSyllables != null && line.LyricsSyllables.Count > 1)
+            switch (wordByWordEffectMode)
             {
-                return CalculateSyllableProgress(currentTimeMs, line, lineEndMs);
-            }
-
-            // 强制逐字
-            if (isForceWordByWord && line.OriginalText.Length > 0)
-            {
-                return CalculateSimulatedProgress(currentTimeMs, line, lineEndMs);
-            }
-            else
-            {
-                // 普通行
-                state.SyllableStartIndex = line.OriginalText.Length;
-                state.SyllableProgress = 1f;
-                return state;
+                case WordByWordEffectMode.Auto:
+                    if (line.PrimaryRenderSyllables.Count > 1)
+                    {
+                        return CalculateSyllableProgress(currentTimeMs, line, lineEndMs);
+                    }
+                    else
+                    {
+                        state.SyllableStartIndex = line.PrimaryText.Length;
+                        state.SyllableProgress = 1f;
+                        return state;
+                    }
+                case WordByWordEffectMode.Never:
+                    state.SyllableStartIndex = line.PrimaryText.Length;
+                    state.SyllableProgress = 1f;
+                    return state;
+                case WordByWordEffectMode.Always:
+                    if (line.PrimaryRenderSyllables.Count > 1)
+                    {
+                        return CalculateSyllableProgress(currentTimeMs, line, lineEndMs);
+                    }
+                    else
+                    {
+                        return CalculateSimulatedProgress(currentTimeMs, line, lineEndMs);
+                    }
+                default:
+                    return state;
             }
         }
 
-        private LinePlaybackState CalculateSyllableProgress(double time, LyricsLine line, double lineEndMs)
+        private LinePlaybackState CalculateSyllableProgress(double time, RenderLyricsLine line, double lineEndMs)
         {
             var state = new LinePlaybackState();
-            int count = line.LyricsSyllables.Count;
+            int count = line.PrimaryRenderSyllables.Count;
 
             for (int i = 0; i < count; i++)
             {
-                var timing = line.LyricsSyllables[i];
-                var nextTiming = (i + 1 < count) ? line.LyricsSyllables[i + 1] : null;
+                var timing = line.PrimaryRenderSyllables[i];
+                var nextTiming = (i + 1 < count) ? line.PrimaryRenderSyllables[i + 1] : null;
 
-                double timingEndMs = timing.EndMs ?? nextTiming?.StartMs ?? lineEndMs;
+                //double timingEndMs = timing.EndMs ?? nextTiming?.StartMs ?? lineEndMs;
+                double timingEndMs = timing.EndMs;
 
                 // 在当前字范围内
                 if (time >= timing.StartMs && time <= timingEndMs)
@@ -122,10 +154,10 @@ namespace BetterLyrics.WinUI3.Logic
             return state;
         }
 
-        private LinePlaybackState CalculateSimulatedProgress(double time, LyricsLine line, double lineEndMs)
+        private LinePlaybackState CalculateSimulatedProgress(double time, RenderLyricsLine line, double lineEndMs)
         {
             var state = new LinePlaybackState();
-            int textLength = line.OriginalText.Length;
+            int textLength = line.PrimaryText.Length;
 
             double progress = (time - line.StartMs) / (lineEndMs - line.StartMs);
             progress = Math.Clamp(progress, 0, 1);
@@ -140,7 +172,7 @@ namespace BetterLyrics.WinUI3.Logic
             return state;
         }
 
-        private bool IsTimeInLine(double time, IList<LyricsLine> lines, int index)
+        private bool IsTimeInLine(double time, IList<RenderLyricsLine> lines, int index)
         {
             if (index < 0 || index >= lines.Count) return false;
             var line = lines[index];

BetterLyrics.WinUI3/BetterLyrics.WinUI3/Models/Db/FilesIndexDbContext.cs

@@ -1,14 +0,0 @@
-using Microsoft.EntityFrameworkCore;
-using System;
-using System.Collections.Generic;
-using System.Text;
-
-namespace BetterLyrics.WinUI3.Models.Db
-{
-    public partial class FilesIndexDbContext : DbContext
-    {
-        public FilesIndexDbContext(DbContextOptions<FilesIndexDbContext> options) : base(options) { }
-
-        public DbSet<FilesIndexItem> FilesIndex { get; set; }
-    }
-}

BetterLyrics.WinUI3/BetterLyrics.WinUI3/Models/Db/PlayHistoryDbContext.cs

@@ -1,14 +0,0 @@
-using Microsoft.EntityFrameworkCore;
-using System;
-using System.Collections.Generic;
-using System.Text;
-
-namespace BetterLyrics.WinUI3.Models.Db
-{
-    public partial class PlayHistoryDbContext : DbContext
-    {
-        public PlayHistoryDbContext(DbContextOptions<PlayHistoryDbContext> options) : base(options) { }
-
-        public DbSet<PlayHistoryItem> PlayHistory { get; set; }
-    }
-}

BetterLyrics.WinUI3/BetterLyrics.WinUI3/Models/DbContext/FilesIndexDbContext.cs

@@ -0,0 +1,12 @@
+using BetterLyrics.WinUI3.Models.Entities;
+using Microsoft.EntityFrameworkCore;
+
+namespace BetterLyrics.WinUI3.Models.DbContext
+{
+    public partial class FilesIndexDbContext : Microsoft.EntityFrameworkCore.DbContext
+    {
+        public FilesIndexDbContext(DbContextOptions<FilesIndexDbContext> options) : base(options) { }
+
+        public DbSet<FilesIndexItem> FilesIndex { get; set; }
+    }
+}

BetterLyrics.WinUI3/BetterLyrics.WinUI3/Models/DbContext/LyricsCacheDbContext.cs

@@ -0,0 +1,11 @@
+using Microsoft.EntityFrameworkCore;
+
+namespace BetterLyrics.WinUI3.Models.DbContext
+{
+    public partial class LyricsCacheDbContext : Microsoft.EntityFrameworkCore.DbContext
+    {
+        public LyricsCacheDbContext(DbContextOptions<LyricsCacheDbContext> options) : base(options) { }
+
+        public DbSet<LyricsCacheItem> LyricsCache { get; set; }
+    }
+}

BetterLyrics.WinUI3/BetterLyrics.WinUI3/Models/DbContext/PlayHistoryDbContext.cs

@@ -0,0 +1,12 @@
+using BetterLyrics.WinUI3.Models.Entities;
+using Microsoft.EntityFrameworkCore;
+
+namespace BetterLyrics.WinUI3.Models.DbContext
+{
+    public partial class PlayHistoryDbContext : Microsoft.EntityFrameworkCore.DbContext
+    {
+        public PlayHistoryDbContext(DbContextOptions<PlayHistoryDbContext> options) : base(options) { }
+
+        public DbSet<PlayHistoryItem> PlayHistory { get; set; }
+    }
+}

BetterLyrics.WinUI3/BetterLyrics.WinUI3/Models/DbContext/SongSearchMapDbContext.cs

@@ -0,0 +1,11 @@
+using Microsoft.EntityFrameworkCore;
+
+namespace BetterLyrics.WinUI3.Models.DbContext
+{
+    public partial class SongSearchMapDbContext : Microsoft.EntityFrameworkCore.DbContext
+    {
+        public DbSet<MappedSongSearchQuery> SongSearchMap { get; set; }
+
+        public SongSearchMapDbContext(DbContextOptions<SongSearchMapDbContext> options) : base(options) { }
+    }
+}

BetterLyrics.WinUI3/BetterLyrics.WinUI3/Models/Entities/FilesIndexItem.cs

@@ -3,32 +3,26 @@ using System;
 using System.ComponentModel.DataAnnotations;
 using System.ComponentModel.DataAnnotations.Schema;
 
-namespace BetterLyrics.WinUI3.Models
+namespace BetterLyrics.WinUI3.Models.Entities
 {
     [Index(nameof(MediaFolderId))] // 普通索引
     [Index(nameof(ParentUri))]     // 普通索引
     [Index(nameof(Uri), IsUnique = true)] // 唯一索引
     public class FilesIndexItem
     {
-        [Key] // 主键
-        [DatabaseGenerated(DatabaseGeneratedOption.Identity)] // 明确指定为自增 (Identity)
-        public int Id { get; set; }
+        [Key][DatabaseGenerated(DatabaseGeneratedOption.Identity)] public int Id { get; set; }
 
         // 关联到 MediaFolder.Id
         // 注意：作为索引列，必须限制长度，否则 SQL Server 会报错 (索引最大900字节)
-        [MaxLength(450)]
-        public string MediaFolderId { get; set; }
+        [MaxLength(450)] public string MediaFolderId { get; set; }
 
         // 存储父文件夹的标准 URI
         // 允许为空
-        [MaxLength(450)]
-        public string? ParentUri { get; set; }
+        [MaxLength(450)] public string? ParentUri { get; set; }
 
         // 唯一索引列
         // 必须限制长度。450字符 * 2字节/字符 = 900字节 (正好卡在 SQL Server 限制内)
-        [Required]
-        [MaxLength(450)]
-        public string Uri { get; set; }
+        [Required][MaxLength(450)] public string Uri { get; set; }
 
         public string FileName { get; set; } = "";
 
@@ -41,7 +35,7 @@ namespace BetterLyrics.WinUI3.Models
         // 下面的元数据字段通常不需要索引，可以使用 MaxLength 稍微优化空间，
         // 或者直接留空（默认为 nvarchar(max)）
         public string Title { get; set; } = "";
-        public string Artists { get; set; } = "";
+        [Column("Artists")] public string Artist { get; set; } = "";
         public string Album { get; set; } = "";
         public int? Year { get; set; }
         public int Bitrate { get; set; }
@@ -49,11 +43,9 @@ namespace BetterLyrics.WinUI3.Models
         public int BitDepth { get; set; }
         public int Duration { get; set; }
 
-        [MaxLength(50)] // 格式名称通常很短，限制一下是个好习惯
-        public string AudioFormatName { get; set; } = "";
+        [MaxLength(50)] public string AudioFormatName { get; set; } = "";
 
-        [MaxLength(20)]
-        public string AudioFormatShortName { get; set; } = "";
+        [MaxLength(20)] public string AudioFormatShortName { get; set; } = "";
 
         public string Encoder { get; set; } = "";
 

BetterLyrics.WinUI3/BetterLyrics.WinUI3/Models/Entities/LyricsCacheItem.cs

@@ -1,14 +1,22 @@
 using BetterLyrics.WinUI3.Enums;
-using BetterLyrics.WinUI3.Extensions;
 using CommunityToolkit.Mvvm.ComponentModel;
-using NTextCat.Commons;
+using Microsoft.EntityFrameworkCore;
 using System;
+using System.ComponentModel.DataAnnotations;
+using System.ComponentModel.DataAnnotations.Schema;
 using System.Text.Json.Serialization;
 
 namespace BetterLyrics.WinUI3.Models
 {
-    public partial class LyricsSearchResult : ObservableObject, ICloneable
+    [Table("LyricsCache")]
+    // 建立联合索引，确保同一个 Provider 下，同一个 Hash 只有一条记录
+    [Index(nameof(CacheKey), nameof(Provider), IsUnique = false)]
+    public partial class LyricsCacheItem : ObservableObject, ICloneable
     {
+        [Key][DatabaseGenerated(DatabaseGeneratedOption.Identity)] public int Id { get; set; }
+
+        [MaxLength(64)][Required] public string CacheKey { get; set; }
+
         public LyricsSearchProvider Provider { get; set; }
         [ObservableProperty] public partial TranslationSearchProvider? TranslationProvider { get; set; }
         [ObservableProperty] public partial TransliterationSearchProvider? TransliterationProvider { get; set; }
@@ -25,33 +33,38 @@ namespace BetterLyrics.WinUI3.Models
         /// </summary>
         public string? Transliteration { get; set; }
 
+        [MaxLength(255)]
         public string? Title { get; set; }
-        public string[]? Artists { get; set; }
+        [MaxLength(255)]
+        public string? Artist { get; set; }
+        [MaxLength(255)]
         public string? Album { get; set; }
         public double? Duration { get; set; }
         [ObservableProperty] public partial int MatchPercentage { get; set; } = -1;
         [ObservableProperty] public partial string Reference { get; set; } = "about:blank";
 
-        public string? SelfPath { get; set; }
+        [NotMapped][JsonIgnore] public bool IsFound => !string.IsNullOrEmpty(Raw);
 
-        [JsonIgnore] public bool IsFound => !string.IsNullOrEmpty(Raw);
-
-        [JsonIgnore] public LyricsSearchProvider? ProviderIfFound => IsFound ? Provider : null;
-
-        [JsonIgnore] public string? DisplayArtists => Artists?.Join("; ");
+        [NotMapped][JsonIgnore] public LyricsSearchProvider? ProviderIfFound => IsFound ? Provider : null;
 
         public object Clone()
         {
-            return new LyricsSearchResult()
+            return new LyricsCacheItem()
             {
-                Album = this.Album,
-                Duration = this.Duration,
+                Provider = this.Provider,
+                TranslationProvider = this.TranslationProvider,
+                TransliterationProvider = this.TransliterationProvider,
+
                 Raw = this.Raw,
                 Translation = this.Translation,
+                Transliteration = this.Transliteration,
+
                 Title = this.Title,
-                Artists = this.Artists,
+                Artist = this.Artist,
+                Album = this.Album,
+                Duration = this.Duration,
+
                 MatchPercentage = this.MatchPercentage,
-                Provider = this.Provider,
                 Reference = this.Reference
             };
         }
@@ -59,7 +72,7 @@ namespace BetterLyrics.WinUI3.Models
         public void CopyFromSongInfo(SongInfo songInfo)
         {
             Title = songInfo.Title;
-            Artists = songInfo.Artists;
+            Artist = songInfo.Artist;
             Album = songInfo.Album;
         }
     }

BetterLyrics.WinUI3/BetterLyrics.WinUI3/Models/Entities/MappedSongSearchQuery.cs

@@ -1,10 +1,18 @@
 using BetterLyrics.WinUI3.Enums;
 using CommunityToolkit.Mvvm.ComponentModel;
+using Microsoft.EntityFrameworkCore;
+using System;
+using System.ComponentModel.DataAnnotations;
+using System.ComponentModel.DataAnnotations.Schema;
 
 namespace BetterLyrics.WinUI3.Models
 {
-    public partial class MappedSongSearchQuery : ObservableRecipient
+    [Table("SongSearchMap")]
+    [Index(nameof(OriginalTitle), nameof(OriginalArtist), nameof(OriginalAlbum))]
+    public partial class MappedSongSearchQuery : ObservableRecipient, ICloneable
     {
+        [Key][DatabaseGenerated(DatabaseGeneratedOption.Identity)] public string Id { get; set; }
+
         [ObservableProperty][NotifyPropertyChangedRecipients] public partial string OriginalTitle { get; set; } = string.Empty;
         [ObservableProperty][NotifyPropertyChangedRecipients] public partial string OriginalArtist { get; set; } = string.Empty;
         [ObservableProperty][NotifyPropertyChangedRecipients] public partial string OriginalAlbum { get; set; } = string.Empty;
@@ -17,7 +25,7 @@ namespace BetterLyrics.WinUI3.Models
 
         [ObservableProperty][NotifyPropertyChangedRecipients] public partial LyricsSearchProvider? LyricsSearchProvider { get; set; }
 
-        public MappedSongSearchQuery Clone()
+        public object Clone()
         {
             return new MappedSongSearchQuery
             {

BetterLyrics.WinUI3/BetterLyrics.WinUI3/Models/Entities/PlayHistoryItem.cs

@@ -3,7 +3,7 @@ using System;
 using System.ComponentModel.DataAnnotations;
 using System.ComponentModel.DataAnnotations.Schema;
 
-namespace BetterLyrics.WinUI3.Models
+namespace BetterLyrics.WinUI3.Models.Entities
 {
     [Index(nameof(Title))]
     [Index(nameof(Artist))]

BetterLyrics.WinUI3/BetterLyrics.WinUI3/Models/ExtendedTrack.cs

@@ -1,5 +1,6 @@
 using ATL;
 using BetterLyrics.WinUI3.Helper;
+using BetterLyrics.WinUI3.Models.Entities;
 using System;
 using System.IO;
 using System.Linq;
@@ -129,7 +130,7 @@ namespace BetterLyrics.WinUI3.Models
             this.Uri = entity.Uri;
 
             this.Title = entity.Title;
-            this.Artist = entity.Artists;
+            this.Artist = entity.Artist;
             this.Album = entity.Album;
             this.Year = entity.Year;
             this.Bitrate = entity.Bitrate;

BetterLyrics.WinUI3/BetterLyrics.WinUI3/Models/FolderNode.cs

@@ -1,9 +1,6 @@
 using BetterLyrics.WinUI3.Enums;
 using CommunityToolkit.Mvvm.ComponentModel;
-using System;
-using System.Collections.Generic;
 using System.Collections.ObjectModel;
-using System.Text;
 
 namespace BetterLyrics.WinUI3.Models
 {

BetterLyrics.WinUI3/BetterLyrics.WinUI3/Models/Http/CutletDockerRequest.cs

@@ -1,6 +1,6 @@
 using System.Text.Json.Serialization;
 
-namespace BetterLyrics.WinUI3.Models
+namespace BetterLyrics.WinUI3.Models.Http
 {
     public class CutletDockerRequest
     {

BetterLyrics.WinUI3/BetterLyrics.WinUI3/Models/Http/CutletDockerResponse.cs

@@ -1,6 +1,6 @@
 using System.Text.Json.Serialization;
 
-namespace BetterLyrics.WinUI3.Models
+namespace BetterLyrics.WinUI3.Models.Http
 {
     public class CutletDockerResponse
     {

BetterLyrics.WinUI3/BetterLyrics.WinUI3/Models/Http/LibreTranslateResponse.cs

@@ -1,6 +1,6 @@
 using System.Text.Json.Serialization;
 
-namespace BetterLyrics.WinUI3.Models
+namespace BetterLyrics.WinUI3.Models.Http
 {
     public class LibreTranslateResponse
     {

BetterLyrics.WinUI3/BetterLyrics.WinUI3/Models/Keyframe.cs

@@ -0,0 +1,18 @@
+using System;
+using System.Collections.Generic;
+using System.Text;
+
+namespace BetterLyrics.WinUI3.Models
+{
+    public struct Keyframe<T>
+    {
+        public T Value { get; }
+        public double Duration { get; }
+
+        public Keyframe(T value, double durationSeconds)
+        {
+            Value = value;
+            Duration = durationSeconds;
+        }
+    }
+}

BetterLyrics.WinUI3/BetterLyrics.WinUI3/Models/Lyrics/BaseLyrics.cs

@@ -0,0 +1,20 @@
+using System;
+using System.Collections.Generic;
+using System.Text;
+
+namespace BetterLyrics.WinUI3.Models.Lyrics
+{
+    public class BaseLyrics
+    {
+        public int StartMs { get; set; }
+        public int EndMs { get; set; }
+        public int DurationMs => EndMs - StartMs;
+
+        public string Text { get; set; } = "";
+        public int Length => Text.Length;
+
+        public int StartIndex { get; set; }
+        public int EndIndex => StartIndex + Length - 1;
+
+    }
+}

BetterLyrics.WinUI3/BetterLyrics.WinUI3/Models/Lyrics/BaseRenderLyrics.cs

@@ -0,0 +1,22 @@
+using System;
+using System.Collections.Generic;
+using System.Text;
+
+namespace BetterLyrics.WinUI3.Models.Lyrics
+{
+    public class BaseRenderLyrics : BaseLyrics
+    {
+        public bool IsPlayingLastFrame { get; set; } = false;
+
+        public BaseRenderLyrics(BaseLyrics baseLyrics)
+        {
+            this.Text = baseLyrics.Text;
+            this.StartMs = baseLyrics.StartMs;
+            this.EndMs = baseLyrics.EndMs;
+            this.StartIndex = baseLyrics.StartIndex;
+        }
+
+        public bool GetIsPlaying(double currentMs) => this.StartMs <= currentMs && currentMs < this.EndMs;
+        public double GetPlayProgress(double currentMs) => Math.Clamp((currentMs - this.StartMs) / this.DurationMs, 0, 1);
+    }
+}

BetterLyrics.WinUI3/BetterLyrics.WinUI3/Models/Lyrics/LyricsData.cs

@@ -5,12 +5,10 @@ using System;
 using System.Collections.Generic;
 using System.Linq;
 
-namespace BetterLyrics.WinUI3.Models
+namespace BetterLyrics.WinUI3.Models.Lyrics
 {
     public class LyricsData
     {
-        private static readonly ILocalizationService _localizationService = Ioc.Default.GetRequiredService<ILocalizationService>();
-
         public List<LyricsLine> LyricsLines { get; set; } = [];
         public string? LanguageCode
         {
@@ -18,7 +16,7 @@ namespace BetterLyrics.WinUI3.Models
             set => field = value;
         }
         public bool AutoGenerated { get; set; } = false;
-        public string WrappedOriginalText => string.Join(StringHelper.NewLine, LyricsLines.Select(line => line.OriginalText));
+        public string WrappedOriginalText => string.Join(StringHelper.NewLine, LyricsLines.Select(line => line.PrimaryText));
 
         public LyricsData()
         {
@@ -29,15 +27,5 @@ namespace BetterLyrics.WinUI3.Models
             LyricsLines = lyricsLines;
         }
 
-        public static LyricsData GetNotfoundPlaceholder()
-        {
-            return new LyricsData([new LyricsLine
-            {
-                StartMs = 0,
-                EndMs = (int)TimeSpan.FromMinutes(99).TotalMilliseconds,
-                OriginalText = _localizationService.GetLocalizedString("LyricsNotFound"),
-            }]);
-        }
-
     }
 }

BetterLyrics.WinUI3/BetterLyrics.WinUI3/Models/Lyrics/LyricsLine.cs

@@ -0,0 +1,49 @@
+// 2025/6/23 by Zhe Fang
+
+using System.Collections.Generic;
+using System.Linq;
+
+namespace BetterLyrics.WinUI3.Models.Lyrics
+{
+    public class LyricsLine : BaseLyrics
+    {
+        public List<BaseLyrics> PrimarySyllables { get; set; } = [];
+        public List<BaseLyrics> SecondarySyllables { get; set; } = [];
+        public List<BaseLyrics> TertiarySyllables { get; set; } = [];
+
+        public List<BaseLyrics> PrimaryChars { get; private set; } = [];
+        public List<BaseLyrics> SecondaryChars { get; private set; } = [];
+        public List<BaseLyrics> TertiaryChars { get; private set; } = [];
+
+        public string PrimaryText { get; set; } = "";
+        public string SecondaryText { get; set; } = "";
+        public string TertiaryText { get; set; } = "";
+
+        public new string Text => PrimaryText;
+        public new int StartIndex = 0;
+
+        public LyricsLine()
+        {
+            for (int charStartIndex = 0; charStartIndex < PrimaryText.Length; charStartIndex++)
+            {
+                var syllable = PrimarySyllables.FirstOrDefault(x => x.StartIndex <= charStartIndex && charStartIndex <= x.EndIndex);
+                if (syllable == null) continue;
+
+                var avgCharDuration = syllable.DurationMs / syllable.Length;
+                if (avgCharDuration == 0) continue;
+
+                var charStartMs = syllable.StartMs + (charStartIndex - syllable.StartIndex) * avgCharDuration;
+                var charEndMs = charStartMs + avgCharDuration;
+
+                PrimaryChars.Add(new BaseLyrics
+                {
+                    StartIndex = charStartIndex,
+                    StartMs = charStartMs,
+                    EndMs = charEndMs,
+                    Text = PrimaryText[charStartIndex].ToString()
+                });
+            }
+        }
+
+    }
+}

BetterLyrics.WinUI3/BetterLyrics.WinUI3/Models/Lyrics/RenderLyricsChar.cs

@@ -0,0 +1,47 @@
+using BetterLyrics.WinUI3.Constants;
+using BetterLyrics.WinUI3.Enums;
+using BetterLyrics.WinUI3.Helper;
+using System;
+using Windows.Foundation;
+
+namespace BetterLyrics.WinUI3.Models.Lyrics
+{
+    public class RenderLyricsChar : BaseRenderLyrics
+    {
+        public Rect LayoutRect { get; private set; }
+
+        public ValueTransition<double> ScaleTransition { get; set; }
+        public ValueTransition<double> GlowTransition { get; set; }
+        public ValueTransition<double> FloatTransition { get; set; }
+
+        public double ProgressPlayed { get; set; } = 0; // 0~1
+
+        public RenderLyricsChar(BaseLyrics lyricsChars, Rect layoutRect) : base(lyricsChars)
+        {
+            ScaleTransition = new(
+                initialValue: 1.0,
+                defaultTotalDuration: Time.AnimationDuration.TotalSeconds,
+                defaultEasingType: EasingType.EaseInOutSine
+            );
+            GlowTransition = new(
+                initialValue: 0,
+                defaultTotalDuration: Time.AnimationDuration.TotalSeconds,
+                defaultEasingType: EasingType.EaseInOutSine
+            );
+            FloatTransition = new(
+                initialValue: 0,
+                defaultTotalDuration: Time.LongAnimationDuration.TotalSeconds,
+                defaultEasingType: EasingType.EaseInOutSine
+            );
+            LayoutRect = layoutRect;
+        }
+
+        public void Update(TimeSpan elapsedTime)
+        {
+            ScaleTransition.Update(elapsedTime);
+            GlowTransition.Update(elapsedTime);
+            FloatTransition.Update(elapsedTime);
+        }
+
+    }
+}

BetterLyrics.WinUI3/BetterLyrics.WinUI3/Models/Lyrics/RenderLyricsLine.cs

@@ -0,0 +1,302 @@
+using BetterLyrics.WinUI3.Enums;
+using BetterLyrics.WinUI3.Extensions;
+using BetterLyrics.WinUI3.Helper;
+using Microsoft.Graphics.Canvas.Geometry;
+using Microsoft.Graphics.Canvas.Text;
+using Microsoft.Graphics.Canvas.UI.Xaml;
+using Microsoft.UI;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Numerics;
+using Windows.UI;
+
+namespace BetterLyrics.WinUI3.Models.Lyrics
+{
+    public class RenderLyricsLine : BaseRenderLyrics
+    {
+        public List<RenderLyricsChar> PrimaryRenderChars { get; private set; } = [];
+        public List<RenderLyricsSyllable> PrimaryRenderSyllables { get; private set; }
+
+        public double AnimationDuration { get; set; } = 0.3;
+
+        public ValueTransition<double> AngleTransition { get; set; }
+        public ValueTransition<double> BlurAmountTransition { get; set; }
+        public ValueTransition<double> PhoneticOpacityTransition { get; set; }
+        public ValueTransition<double> PlayedOriginalOpacityTransition { get; set; }
+        public ValueTransition<double> UnplayedOriginalOpacityTransition { get; set; }
+        public ValueTransition<double> TranslatedOpacityTransition { get; set; }
+        public ValueTransition<double> ScaleTransition { get; set; }
+        public ValueTransition<double> YOffsetTransition { get; set; }
+        public ValueTransition<Color> ColorTransition { get; set; }
+
+        public CanvasTextLayout? PrimaryTextLayout { get; private set; }
+        public CanvasTextLayout? SecondaryTextLayout { get; private set; }
+        public CanvasTextLayout? TertiaryTextLayout { get; private set; }
+
+        /// <summary>
+        /// 原文坐标（相对于坐标原点）
+        /// </summary>
+        public Vector2 PrimaryPosition { get; set; }
+        /// <summary>
+        /// 译文坐标（相对于坐标原点）
+        /// </summary>
+        public Vector2 SecondaryPosition { get; set; }
+        /// <summary>
+        /// 注音坐标（相对于坐标原点）
+        /// </summary>
+        public Vector2 TertiaryPosition { get; set; }
+
+        /// <summary>
+        /// 顶部坐标（相对于坐标原点）
+        /// </summary>
+        public Vector2 TopLeftPosition { get; set; }
+        /// <summary>
+        /// 中心坐标（相对于坐标原点）
+        /// </summary>
+        public Vector2 CenterPosition { get; private set; }
+        /// <summary>
+        /// 底部坐标（相对于坐标原点）
+        /// </summary>
+        public Vector2 BottomRightPosition { get; set; }
+
+        public CanvasGeometry? PrimaryCanvasGeometry { get; private set; }
+        public CanvasGeometry? SecondaryCanvasGeometry { get; private set; }
+        public CanvasGeometry? TertiaryCanvasGeometry { get; private set; }
+
+        public string PrimaryText { get; set; } = "";
+        public string SecondaryText { get; set; } = "";
+        public string TertiaryText { get; set; } = "";
+
+        /// <summary>
+        /// 轨道索引 (0 = 主轨道, 1 = 第一副轨道, etc.)
+        /// 用于布局计算时的堆叠逻辑
+        /// </summary>
+        public int LaneIndex { get; set; } = 0;
+
+        public double? PrimaryLineHeight => PrimaryRenderChars.FirstOrDefault()?.LayoutRect.Height;
+
+        public RenderLyricsLine(LyricsLine lyricsLine) : base(lyricsLine)
+        {
+            AngleTransition = new(
+                initialValue: 0,
+                defaultTotalDuration: AnimationDuration,
+                defaultEasingType: EasingType.EaseInOutSine
+            );
+            BlurAmountTransition = new(
+                 initialValue: 0,
+                 defaultTotalDuration: AnimationDuration,
+                 defaultEasingType: EasingType.EaseInOutSine
+             );
+            PhoneticOpacityTransition = new(
+                initialValue: 0,
+                defaultTotalDuration: AnimationDuration,
+                defaultEasingType: EasingType.EaseInOutSine
+            );
+            PlayedOriginalOpacityTransition = new(
+                initialValue: 0,
+                defaultTotalDuration: AnimationDuration,
+                defaultEasingType: EasingType.EaseInOutSine
+            );
+            UnplayedOriginalOpacityTransition = new(
+                initialValue: 0,
+                defaultTotalDuration: AnimationDuration,
+                defaultEasingType: EasingType.EaseInOutSine
+            );
+            TranslatedOpacityTransition = new(
+                initialValue: 0,
+                defaultTotalDuration: AnimationDuration,
+                defaultEasingType: EasingType.EaseInOutSine
+            );
+            ScaleTransition = new(
+                initialValue: 0,
+                defaultTotalDuration: AnimationDuration,
+                defaultEasingType: EasingType.EaseInOutSine
+            );
+            YOffsetTransition = new(
+                initialValue: 0,
+                defaultTotalDuration: AnimationDuration,
+                defaultEasingType: EasingType.EaseInOutSine
+            );
+            ColorTransition = new(
+                initialValue: Colors.Transparent,
+                defaultTotalDuration: 0.3f,
+                interpolator: (from, to, progress) => Helper.ColorHelper.GetInterpolatedColor(progress, from, to)
+            );
+
+            StartMs = lyricsLine.StartMs;
+            EndMs = lyricsLine.EndMs;
+            TertiaryText = lyricsLine.TertiaryText;
+            PrimaryText = lyricsLine.PrimaryText;
+            SecondaryText = lyricsLine.SecondaryText;
+            PrimaryRenderSyllables = lyricsLine.PrimarySyllables.Select(x => new RenderLyricsSyllable(x)).ToList();
+        }
+
+        public void UpdateCenterPosition(double maxWidth, TextAlignmentType type)
+        {
+            if (PrimaryTextLayout == null)
+            {
+                return;
+            }
+
+            double centerY = (TopLeftPosition.Y + BottomRightPosition.Y) / 2;
+
+            CenterPosition = type switch
+            {
+                TextAlignmentType.Left => new Vector2(0, (float)centerY),
+                TextAlignmentType.Center => new Vector2((float)(0 + maxWidth / 2.0), (float)centerY),
+                TextAlignmentType.Right => new Vector2((float)(0 + maxWidth), (float)centerY),
+                _ => throw new System.ArgumentOutOfRangeException(nameof(type), type, null),
+            };
+        }
+
+        public void DisposeTextLayout()
+        {
+            TertiaryTextLayout?.Dispose();
+            TertiaryTextLayout = null;
+
+            PrimaryTextLayout?.Dispose();
+            PrimaryTextLayout = null;
+
+            SecondaryTextLayout?.Dispose();
+            SecondaryTextLayout = null;
+        }
+
+        public void RecreateTextLayout(
+            ICanvasAnimatedControl control,
+            bool createPhonetic, bool createTranslated,
+            int phoneticTextFontSize, int originalTextFontSize, int translatedTextFontSize,
+            LyricsFontWeight fontWeight,
+            string fontFamilyCJK, string fontFamilyWestern,
+            double maxWidth, double maxHeight, TextAlignmentType type)
+        {
+            DisposeTextLayout();
+
+            if (createPhonetic && TertiaryText != "")
+            {
+                TertiaryTextLayout = new CanvasTextLayout(control, TertiaryText, new CanvasTextFormat
+                {
+                    HorizontalAlignment = CanvasHorizontalAlignment.Left,
+                    VerticalAlignment = CanvasVerticalAlignment.Top,
+                    FontSize = phoneticTextFontSize,
+                    FontWeight = fontWeight.ToFontWeight(),
+                }, (float)maxWidth, (float)maxHeight)
+                {
+                    HorizontalAlignment = type.ToCanvasHorizontalAlignment(),
+                };
+                TertiaryTextLayout.SetFontFamily(TertiaryText, fontFamilyCJK, fontFamilyWestern);
+            }
+
+            PrimaryTextLayout = new CanvasTextLayout(control, PrimaryText, new CanvasTextFormat
+            {
+                HorizontalAlignment = CanvasHorizontalAlignment.Left,
+                VerticalAlignment = CanvasVerticalAlignment.Top,
+                FontSize = originalTextFontSize,
+                FontWeight = fontWeight.ToFontWeight(),
+            }, (float)maxWidth, (float)maxHeight)
+            {
+                HorizontalAlignment = type.ToCanvasHorizontalAlignment()
+            };
+            PrimaryTextLayout.SetFontFamily(PrimaryText, fontFamilyCJK, fontFamilyWestern);
+
+            if (createTranslated && SecondaryText != "")
+            {
+                SecondaryTextLayout = new CanvasTextLayout(control, SecondaryText, new CanvasTextFormat
+                {
+                    HorizontalAlignment = CanvasHorizontalAlignment.Left,
+                    VerticalAlignment = CanvasVerticalAlignment.Top,
+                    FontSize = translatedTextFontSize,
+                    FontWeight = fontWeight.ToFontWeight(),
+                }, (float)maxWidth, (float)maxHeight)
+                {
+                    HorizontalAlignment = type.ToCanvasHorizontalAlignment()
+                };
+                SecondaryTextLayout.SetFontFamily(SecondaryText, fontFamilyCJK, fontFamilyWestern);
+            }
+        }
+
+        public void DisposeTextGeometry()
+        {
+            TertiaryCanvasGeometry?.Dispose();
+            TertiaryCanvasGeometry = null;
+
+            PrimaryCanvasGeometry?.Dispose();
+            PrimaryCanvasGeometry = null;
+
+            SecondaryCanvasGeometry?.Dispose();
+            SecondaryCanvasGeometry = null;
+        }
+
+        public void RecreateTextGeometry()
+        {
+            DisposeTextGeometry();
+
+            if (TertiaryTextLayout != null)
+            {
+                TertiaryCanvasGeometry = CanvasGeometry.CreateText(TertiaryTextLayout);
+            }
+
+            if (PrimaryTextLayout != null)
+            {
+                PrimaryCanvasGeometry = CanvasGeometry.CreateText(PrimaryTextLayout);
+            }
+
+            if (SecondaryTextLayout != null)
+            {
+                SecondaryCanvasGeometry = CanvasGeometry.CreateText(SecondaryTextLayout);
+            }
+        }
+
+        public void RecreateRenderChars()
+        {
+            PrimaryRenderChars.Clear();
+            if (PrimaryTextLayout == null) return;
+
+            foreach (var syllable in PrimaryRenderSyllables)
+            {
+                syllable.ChildrenRenderLyricsChars.Clear();
+            }
+
+            var textLength = PrimaryText.Length;
+
+            for (int startCharIndex = 0; startCharIndex < textLength; startCharIndex++)
+            {
+                var region = PrimaryTextLayout.GetCharacterRegions(startCharIndex, 1).FirstOrDefault();
+                var bounds = region.LayoutBounds;
+
+                var syllable = PrimaryRenderSyllables.FirstOrDefault(x => x.StartIndex <= startCharIndex && startCharIndex <= x.EndIndex);
+                if (syllable == null) continue;
+
+                var avgCharDuration = syllable.DurationMs / syllable.Length;
+                var charStartMs = syllable.StartMs + (startCharIndex - syllable.StartIndex) * avgCharDuration;
+                var charEndMs = charStartMs + avgCharDuration;
+
+                var renderLyricsChar = new RenderLyricsChar(new BaseLyrics
+                {
+                    StartIndex = startCharIndex,
+                    Text = PrimaryText[startCharIndex].ToString(),
+                    StartMs = charStartMs,
+                    EndMs = charEndMs,
+                }, bounds);
+
+                syllable.ChildrenRenderLyricsChars.Add(renderLyricsChar);
+
+                PrimaryRenderChars.Add(renderLyricsChar);
+            }
+        }
+
+        public void Update(TimeSpan elapsedTime)
+        {
+            AngleTransition.Update(elapsedTime);
+            ScaleTransition.Update(elapsedTime);
+            BlurAmountTransition.Update(elapsedTime);
+            PhoneticOpacityTransition.Update(elapsedTime);
+            PlayedOriginalOpacityTransition.Update(elapsedTime);
+            UnplayedOriginalOpacityTransition.Update(elapsedTime);
+            TranslatedOpacityTransition.Update(elapsedTime);
+            YOffsetTransition.Update(elapsedTime);
+            ColorTransition.Update(elapsedTime);
+        }
+
+    }
+}

BetterLyrics.WinUI3/BetterLyrics.WinUI3/Models/Lyrics/RenderLyricsSyllable.cs

@@ -0,0 +1,13 @@
+using System;
+using System.Collections.Generic;
+using System.Text;
+
+namespace BetterLyrics.WinUI3.Models.Lyrics
+{
+    public class RenderLyricsSyllable : BaseRenderLyrics
+    {
+        public List<RenderLyricsChar> ChildrenRenderLyricsChars { get; set; } = [];
+
+        public RenderLyricsSyllable(BaseLyrics lyricsSyllable) : base(lyricsSyllable) { }
+    }
+}

BetterLyrics.WinUI3/BetterLyrics.WinUI3/Models/LyricsLine.cs

@@ -1,29 +0,0 @@
-// 2025/6/23 by Zhe Fang
-
-using System.Collections.Generic;
-
-namespace BetterLyrics.WinUI3.Models
-{
-    public class LyricsLine
-    {
-        public List<LyricsSyllable> LyricsSyllables { get; set; } = [];
-
-        public int? DurationMs => EndMs - StartMs;
-        public int? EndMs { get; set; }
-        public int StartMs { get; set; }
-
-        /// <summary>
-        /// 原文
-        /// </summary>
-        public string OriginalText { get; set; } = "";
-        /// <summary>
-        /// 译文
-        /// </summary>
-        public string TranslatedText { get; set; } = "";
-        /// <summary>
-        /// 注音
-        /// </summary>
-        public string PhoneticText { get; set; } = "";
-
-    }
-}

BetterLyrics.WinUI3/BetterLyrics.WinUI3/Models/LyricsSyllable.cs

@@ -1,14 +0,0 @@
-// 2025/6/23 by Zhe Fang
-
-namespace BetterLyrics.WinUI3.Models
-{
-    public class LyricsSyllable
-    {
-        public int? EndMs { get; set; }
-        public int StartIndex { get; set; }
-        public int StartMs { get; set; }
-        public string Text { get; set; } = string.Empty;
-        public int? DurationMs => EndMs - StartMs;
-        public bool IsLongDuration => DurationMs >= 700;
-    }
-}

BetterLyrics.WinUI3/BetterLyrics.WinUI3/Models/PlayerStatDisplayItem.cs

@@ -1,15 +0,0 @@
-using BetterLyrics.WinUI3.Helper;
-using System;
-using System.Collections.Generic;
-using System.Text;
-
-namespace BetterLyrics.WinUI3.Models
-{
-    public class PlayerStatDisplayItem
-    {
-        public string PlayerId { get; set; }
-        public int PlayCount { get; set; }
-
-        public string PlayerName => PlayerIdHelper.GetDisplayName(PlayerId);
-    }
-}

BetterLyrics.WinUI3/BetterLyrics.WinUI3/Models/RenderLyricsLine.cs

@@ -1,225 +0,0 @@
-using BetterLyrics.WinUI3.Enums;
-using BetterLyrics.WinUI3.Extensions;
-using BetterLyrics.WinUI3.Helper;
-using Microsoft.Graphics.Canvas.Geometry;
-using Microsoft.Graphics.Canvas.Text;
-using Microsoft.Graphics.Canvas.UI.Xaml;
-using Microsoft.UI;
-using System.Numerics;
-using Windows.UI;
-
-namespace BetterLyrics.WinUI3.Models
-{
-    public class RenderLyricsLine : LyricsLine
-    {
-        public double AnimationDuration { get; set; } = 0.3;
-        public ValueTransition<double> AngleTransition { get; set; }
-        public ValueTransition<double> BlurAmountTransition { get; set; }
-        public ValueTransition<double> PhoneticOpacityTransition { get; set; }
-        public ValueTransition<double> PlayedOriginalOpacityTransition { get; set; }
-        public ValueTransition<double> UnplayedOriginalOpacityTransition { get; set; }
-        public ValueTransition<double> TranslatedOpacityTransition { get; set; }
-        public ValueTransition<double> ScaleTransition { get; set; }
-        public ValueTransition<double> YOffsetTransition { get; set; }
-        public ValueTransition<Color> ColorTransition { get; set; }
-
-        public CanvasTextLayout? OriginalCanvasTextLayout { get; private set; }
-        public CanvasTextLayout? TranslatedCanvasTextLayout { get; private set; }
-        public CanvasTextLayout? PhoneticCanvasTextLayout { get; private set; }
-
-        /// <summary>
-        /// 原文坐标（相对于坐标原点）
-        /// </summary>
-        public Vector2 OriginalPosition { get; set; }
-        /// <summary>
-        /// 译文坐标（相对于坐标原点）
-        /// </summary>
-        public Vector2 TranslatedPosition { get; set; }
-        /// <summary>
-        /// 注音坐标（相对于坐标原点）
-        /// </summary>
-        public Vector2 PhoneticPosition { get; set; }
-
-        /// <summary>
-        /// 顶部坐标（相对于坐标原点）
-        /// </summary>
-        public Vector2 TopLeftPosition { get; set; }
-        /// <summary>
-        /// 中心坐标（相对于坐标原点）
-        /// </summary>
-        public Vector2 CenterPosition { get; private set; }
-        /// <summary>
-        /// 底部坐标（相对于坐标原点）
-        /// </summary>
-        public Vector2 BottomRightPosition { get; set; }
-
-        public CanvasGeometry? OriginalCanvasGeometry { get; private set; }
-        public CanvasGeometry? TranslatedCanvasGeometry { get; private set; }
-        public CanvasGeometry? PhoneticCanvasGeometry { get; private set; }
-
-        public RenderLyricsLine()
-        {
-            AngleTransition = new(
-                initialValue: 0,
-                durationSeconds: AnimationDuration,
-                easingType: EasingType.EaseInOutSine
-            );
-            BlurAmountTransition = new(
-                 initialValue: 0,
-                 durationSeconds: AnimationDuration,
-                 easingType: EasingType.EaseInOutSine
-             );
-            PhoneticOpacityTransition = new(
-                initialValue: 0,
-                durationSeconds: AnimationDuration,
-                easingType: EasingType.EaseInOutSine
-            );
-            PlayedOriginalOpacityTransition = new(
-                initialValue: 0,
-                durationSeconds: AnimationDuration,
-                easingType: EasingType.EaseInOutSine
-            );
-            UnplayedOriginalOpacityTransition = new(
-                initialValue: 0,
-                durationSeconds: AnimationDuration,
-                easingType: EasingType.EaseInOutSine
-            );
-            TranslatedOpacityTransition = new(
-                initialValue: 0,
-                durationSeconds: AnimationDuration,
-                easingType: EasingType.EaseInOutSine
-            );
-            ScaleTransition = new(
-                initialValue: 0,
-                durationSeconds: AnimationDuration,
-                easingType: EasingType.EaseInOutSine
-            );
-            YOffsetTransition = new(
-                initialValue: 0,
-                durationSeconds: AnimationDuration,
-                easingType: EasingType.EaseInOutSine
-            );
-            ColorTransition = new(
-                initialValue: Colors.Transparent,
-                durationSeconds: 0.3f,
-                interpolator: (from, to, progress) => Helper.ColorHelper.GetInterpolatedColor(progress, from, to)
-            );
-        }
-
-        public void UpdateCenterPosition(double maxWidth, TextAlignmentType type)
-        {
-            if (OriginalCanvasTextLayout == null)
-            {
-                return;
-            }
-
-            double centerY = (TopLeftPosition.Y + BottomRightPosition.Y) / 2;
-
-            CenterPosition = type switch
-            {
-                TextAlignmentType.Left => new Vector2(0, (float)centerY),
-                TextAlignmentType.Center => new Vector2((float)(0 + maxWidth / 2.0), (float)centerY),
-                TextAlignmentType.Right => new Vector2((float)(0 + maxWidth), (float)centerY),
-                _ => throw new System.ArgumentOutOfRangeException(nameof(type), type, null),
-            };
-        }
-
-        public void DisposeTextLayout()
-        {
-            PhoneticCanvasTextLayout?.Dispose();
-            PhoneticCanvasTextLayout = null;
-
-            OriginalCanvasTextLayout?.Dispose();
-            OriginalCanvasTextLayout = null;
-
-            TranslatedCanvasTextLayout?.Dispose();
-            TranslatedCanvasTextLayout = null;
-        }
-
-        public void RecreateTextLayout(
-            ICanvasAnimatedControl control,
-            bool createPhonetic, bool createTranslated,
-            int phoneticTextFontSize, int originalTextFontSize, int translatedTextFontSize,
-            LyricsFontWeight fontWeight,
-            string fontFamilyCJK, string fontFamilyWestern,
-            double maxWidth, double maxHeight, TextAlignmentType type)
-        {
-            DisposeTextLayout();
-
-            if (createPhonetic && PhoneticText != "")
-            {
-                PhoneticCanvasTextLayout = new CanvasTextLayout(control, PhoneticText, new CanvasTextFormat
-                {
-                    HorizontalAlignment = CanvasHorizontalAlignment.Left,
-                    VerticalAlignment = CanvasVerticalAlignment.Top,
-                    FontSize = phoneticTextFontSize,
-                    FontWeight = fontWeight.ToFontWeight(),
-                }, (float)maxWidth, (float)maxHeight)
-                {
-                    HorizontalAlignment = type.ToCanvasHorizontalAlignment(),
-                };
-                PhoneticCanvasTextLayout.SetFontFamily(PhoneticText, fontFamilyCJK, fontFamilyWestern);
-            }
-
-            OriginalCanvasTextLayout = new CanvasTextLayout(control, OriginalText, new CanvasTextFormat
-            {
-                HorizontalAlignment = CanvasHorizontalAlignment.Left,
-                VerticalAlignment = CanvasVerticalAlignment.Top,
-                FontSize = originalTextFontSize,
-                FontWeight = fontWeight.ToFontWeight(),
-            }, (float)maxWidth, (float)maxHeight)
-            {
-                HorizontalAlignment = type.ToCanvasHorizontalAlignment()
-            };
-            OriginalCanvasTextLayout.SetFontFamily(OriginalText, fontFamilyCJK, fontFamilyWestern);
-
-            if (createTranslated && TranslatedText != "")
-            {
-                TranslatedCanvasTextLayout = new CanvasTextLayout(control, TranslatedText, new CanvasTextFormat
-                {
-                    HorizontalAlignment = CanvasHorizontalAlignment.Left,
-                    VerticalAlignment = CanvasVerticalAlignment.Top,
-                    FontSize = translatedTextFontSize,
-                    FontWeight = fontWeight.ToFontWeight(),
-                }, (float)maxWidth, (float)maxHeight)
-                {
-                    HorizontalAlignment = type.ToCanvasHorizontalAlignment()
-                };
-                TranslatedCanvasTextLayout.SetFontFamily(TranslatedText, fontFamilyCJK, fontFamilyWestern);
-            }
-        }
-
-        public void DisposeTextGeometry()
-        {
-            PhoneticCanvasGeometry?.Dispose();
-            PhoneticCanvasGeometry = null;
-
-            OriginalCanvasGeometry?.Dispose();
-            OriginalCanvasGeometry = null;
-
-            TranslatedCanvasGeometry?.Dispose();
-            TranslatedCanvasGeometry = null;
-        }
-
-        public void RecreateTextGeometry()
-        {
-            DisposeTextGeometry();
-
-            if (PhoneticCanvasTextLayout != null)
-            {
-                PhoneticCanvasGeometry = CanvasGeometry.CreateText(PhoneticCanvasTextLayout);
-            }
-
-            if (OriginalCanvasTextLayout != null)
-            {
-                OriginalCanvasGeometry = CanvasGeometry.CreateText(OriginalCanvasTextLayout);
-            }
-
-            if (TranslatedCanvasTextLayout != null)
-            {
-                TranslatedCanvasGeometry = CanvasGeometry.CreateText(TranslatedCanvasTextLayout);
-            }
-        }
-
-    }
-}

BetterLyrics.WinUI3/BetterLyrics.WinUI3/Models/Settings/AlbumArtSearchProviderInfo.cs

@@ -3,7 +3,7 @@
 using BetterLyrics.WinUI3.Enums;
 using CommunityToolkit.Mvvm.ComponentModel;
 
-namespace BetterLyrics.WinUI3.Models
+namespace BetterLyrics.WinUI3.Models.Settings
 {
     public partial class AlbumArtSearchProviderInfo : ObservableRecipient
     {

BetterLyrics.WinUI3/BetterLyrics.WinUI3/Models/Settings/AppSettings.cs

@@ -1,5 +1,6 @@
 using BetterLyrics.WinUI3.Collections;
 using CommunityToolkit.Mvvm.ComponentModel;
+using System;
 
 namespace BetterLyrics.WinUI3.Models.Settings
 {
@@ -14,7 +15,7 @@ namespace BetterLyrics.WinUI3.Models.Settings
 
         [ObservableProperty][NotifyPropertyChangedRecipients] public partial FullyObservableCollection<MediaFolder> LocalMediaFolders { get; set; } = [];
         [ObservableProperty][NotifyPropertyChangedRecipients] public partial FullyObservableCollection<MediaSourceProviderInfo> MediaSourceProvidersInfo { get; set; } = [];
-        [ObservableProperty][NotifyPropertyChangedRecipients] public partial FullyObservableCollection<MappedSongSearchQuery> MappedSongSearchQueries { get; set; } = [];
+        [Obsolete][ObservableProperty][NotifyPropertyChangedRecipients] public partial FullyObservableCollection<MappedSongSearchQuery> MappedSongSearchQueries { get; set; } = [];
         [ObservableProperty][NotifyPropertyChangedRecipients] public partial FullyObservableCollection<LyricsWindowStatus> WindowBoundsRecords { get; set; } = [];
         [ObservableProperty][NotifyPropertyChangedRecipients] public partial FullyObservableCollection<SongsTabInfo> StarredPlaylists { get; set; } = [];
 

BetterLyrics.WinUI3/BetterLyrics.WinUI3/Models/Settings/GeneralSettings.cs

@@ -8,7 +8,6 @@ namespace BetterLyrics.WinUI3.Models.Settings
         [ObservableProperty][NotifyPropertyChangedRecipients] public partial string LanguageCode { get; set; } = "";
         [ObservableProperty][NotifyPropertyChangedRecipients] public partial string LXMusicServer { get; set; } = string.Empty;
         [ObservableProperty][NotifyPropertyChangedRecipients] public partial string AmllTtmlDbBaseUrl { get; set; } = Constants.AmllTTmlDB.BaseUrl;
-        [ObservableProperty][NotifyPropertyChangedRecipients] public partial bool IsForceWordByWordEffect { get; set; } = true;
         [ObservableProperty][NotifyPropertyChangedRecipients] public partial List<string> ShowOrHideLyricsWindowShortcut { get; set; } = new List<string> { "Ctrl", "Alt", "H" };
         [ObservableProperty][NotifyPropertyChangedRecipients] public partial bool ExitOnLyricsWindowClosed { get; set; } = false;
         [ObservableProperty][NotifyPropertyChangedRecipients] public partial bool ListenOnNewPlaybackSource { get; set; } = true;

BetterLyrics.WinUI3/BetterLyrics.WinUI3/Models/Settings/LyricsEffectSettings.cs

@@ -6,6 +6,8 @@ namespace BetterLyrics.WinUI3.Models.Settings
 {
     public partial class LyricsEffectSettings : ObservableRecipient, ICloneable
     {
+        [ObservableProperty][NotifyPropertyChangedRecipients] public partial WordByWordEffectMode WordByWordEffectMode { get; set; } = WordByWordEffectMode.Auto;
+     
         [ObservableProperty][NotifyPropertyChangedRecipients] public partial bool IsLyricsBlurEffectEnabled { get; set; } = true;
         [ObservableProperty][NotifyPropertyChangedRecipients] public partial bool IsLyricsFadeOutEffectEnabled { get; set; } = true;
         [ObservableProperty][NotifyPropertyChangedRecipients] public partial bool IsLyricsOutOfSightEffectEnabled { get; set; } = true;
@@ -24,6 +26,7 @@ namespace BetterLyrics.WinUI3.Models.Settings
         [ObservableProperty][NotifyPropertyChangedRecipients] public partial bool IsLyricsFloatAnimationEnabled { get; set; } = true;
         [ObservableProperty][NotifyPropertyChangedRecipients] public partial bool IsLyricsFloatAnimationAmountAutoAdjust { get; set; } = true;
         [ObservableProperty][NotifyPropertyChangedRecipients] public partial int LyricsFloatAnimationAmount { get; set; } = 8;
+        [ObservableProperty][NotifyPropertyChangedRecipients] public partial int LyricsFloatAnimationDuration { get; set; } = 450; // 450ms
 
         [ObservableProperty][NotifyPropertyChangedRecipients] public partial EasingType LyricsScrollEasingType { get; set; }
         [ObservableProperty][NotifyPropertyChangedRecipients] public partial int LyricsScrollDuration { get; set; }
@@ -53,6 +56,8 @@ namespace BetterLyrics.WinUI3.Models.Settings
         {
             return new LyricsEffectSettings(this.LyricsScrollTopDuration, this.LyricsScrollDuration, this.LyricsScrollBottomDuration, this.LyricsScrollEasingType)
             {
+                WordByWordEffectMode = this.WordByWordEffectMode,
+
                 IsLyricsBlurEffectEnabled = this.IsLyricsBlurEffectEnabled,
                 IsLyricsFadeOutEffectEnabled = this.IsLyricsFadeOutEffectEnabled,
                 IsLyricsOutOfSightEffectEnabled = this.IsLyricsOutOfSightEffectEnabled,
@@ -71,6 +76,7 @@ namespace BetterLyrics.WinUI3.Models.Settings
                 IsLyricsFloatAnimationEnabled = this.IsLyricsFloatAnimationEnabled,
                 IsLyricsFloatAnimationAmountAutoAdjust = this.IsLyricsFloatAnimationAmountAutoAdjust,
                 LyricsFloatAnimationAmount = this.LyricsFloatAnimationAmount,
+                LyricsFloatAnimationDuration = this.LyricsFloatAnimationDuration,
 
                 LyricsScrollEasingType = this.LyricsScrollEasingType,
                 LyricsScrollDuration = this.LyricsScrollDuration,

BetterLyrics.WinUI3/BetterLyrics.WinUI3/Models/Settings/LyricsSearchProviderInfo.cs

@@ -3,7 +3,7 @@
 using BetterLyrics.WinUI3.Enums;
 using CommunityToolkit.Mvvm.ComponentModel;
 
-namespace BetterLyrics.WinUI3.Models
+namespace BetterLyrics.WinUI3.Models.Settings
 {
     public partial class LyricsSearchProviderInfo : ObservableRecipient
     {
@@ -11,6 +11,7 @@ namespace BetterLyrics.WinUI3.Models
         [ObservableProperty][NotifyPropertyChangedRecipients] public partial LyricsSearchProvider Provider { get; set; }
         [ObservableProperty][NotifyPropertyChangedRecipients] public partial bool IsMatchingThresholdOverwritten { get; set; } = false;
         [ObservableProperty][NotifyPropertyChangedRecipients] public partial int MatchingThreshold { get; set; } = 40;
+        [ObservableProperty][NotifyPropertyChangedRecipients] public partial bool IgnoreCacheWhenSearching { get; set; } = false;
 
         public LyricsSearchProviderInfo() { }
 

BetterLyrics.WinUI3/BetterLyrics.WinUI3/Models/Settings/LyricsWindowStatus.cs

@@ -1,6 +1,5 @@
 using BetterLyrics.WinUI3.Enums;
 using BetterLyrics.WinUI3.Hooks;
-using BetterLyrics.WinUI3.Models.Settings;
 using BetterLyrics.WinUI3.Views;
 using CommunityToolkit.Mvvm.ComponentModel;
 using Microsoft.UI.Dispatching;
@@ -10,7 +9,7 @@ using System.Linq;
 using System.Text.Json.Serialization;
 using Windows.Foundation;
 
-namespace BetterLyrics.WinUI3.Models
+namespace BetterLyrics.WinUI3.Models.Settings
 {
     public partial class LyricsWindowStatus : ObservableRecipient, ICloneable
     {

BetterLyrics.WinUI3/BetterLyrics.WinUI3/Models/Settings/MediaFolder.cs

@@ -6,9 +6,8 @@ using CommunityToolkit.Mvvm.ComponentModel;
 using Microsoft.UI.Xaml.Controls;
 using System;
 using System.Text.Json.Serialization;
-using System.Threading;
 
-namespace BetterLyrics.WinUI3.Models
+namespace BetterLyrics.WinUI3.Models.Settings
 {
     public partial class MediaFolder : ObservableRecipient
     {

BetterLyrics.WinUI3/BetterLyrics.WinUI3/Models/Settings/MediaSourceProviderInfo.cs

@@ -8,7 +8,7 @@ using System;
 using System.Linq;
 using System.Text.Json.Serialization;
 
-namespace BetterLyrics.WinUI3.Models
+namespace BetterLyrics.WinUI3.Models.Settings
 {
     public partial class MediaSourceProviderInfo : ObservableRecipient
     {

BetterLyrics.WinUI3/BetterLyrics.WinUI3/Models/Settings/MusicGallerySettings.cs

@@ -1,6 +1,5 @@
 using BetterLyrics.WinUI3.Enums;
 using CommunityToolkit.Mvvm.ComponentModel;
-using System;
 using System.Collections.ObjectModel;
 
 namespace BetterLyrics.WinUI3.Models.Settings

BetterLyrics.WinUI3/BetterLyrics.WinUI3/Models/Settings/SongsTabInfo.cs

@@ -1,8 +1,7 @@
 using BetterLyrics.WinUI3.Enums;
 using BetterLyrics.WinUI3.ViewModels;
-using CommunityToolkit.Mvvm.ComponentModel;
 
-namespace BetterLyrics.WinUI3.Models
+namespace BetterLyrics.WinUI3.Models.Settings
 {
     public partial class SongsTabInfo : BaseViewModel
     {

BetterLyrics.WinUI3/BetterLyrics.WinUI3/Models/SongInfo.cs

@@ -1,7 +1,6 @@
 // 2025/6/23 by Zhe Fang
 
 using CommunityToolkit.Mvvm.ComponentModel;
-using NTextCat.Commons;
 using System;
 
 namespace BetterLyrics.WinUI3.Models
@@ -12,7 +11,7 @@ namespace BetterLyrics.WinUI3.Models
         public partial string Album { get; set; }
 
         [ObservableProperty]
-        public partial string[] Artists { get; set; }
+        public partial string Artist { get; set; }
 
         [ObservableProperty]
         public partial double DurationMs { get; set; }
@@ -32,8 +31,6 @@ namespace BetterLyrics.WinUI3.Models
 
         public double Duration => DurationMs / 1000;
 
-        public string DisplayArtists => Artists.Join(ATL.Settings.DisplayValueSeparator.ToString());
-
         public SongInfo() { }
 
         public object Clone()
@@ -41,7 +38,7 @@ namespace BetterLyrics.WinUI3.Models
             return new SongInfo()
             {
                 Title = this.Title,
-                Artists = this.Artists,
+                Artist = this.Artist,
                 Album = this.Album,
                 DurationMs = this.DurationMs,
                 PlayerId = this.PlayerId,
@@ -55,7 +52,7 @@ namespace BetterLyrics.WinUI3.Models
         {
             return
                 $"Title: {Title}, " +
-                $"Artist: {DisplayArtists}, " +
+                $"Artist: {Artist}, " +
                 $"Album: {Album}, " +
                 $"Duration: {Duration} sec, " +
                 $"Plauer ID: {PlayerId}, " +
@@ -65,7 +62,7 @@ namespace BetterLyrics.WinUI3.Models
 
         public string ToFileName()
         {
-            return $"{DisplayArtists} - {Title} - {Album} - {Duration}";
+            return $"{Artist} - {Title} - {Album} - {Duration}";
         }
     }
 }

BetterLyrics.WinUI3/BetterLyrics.WinUI3/Models/Stats/ArtistPlayCount.cs

@@ -1,8 +1,4 @@
-using System;
-using System.Collections.Generic;
-using System.Text;
-
-namespace BetterLyrics.WinUI3.Models.Stats
+namespace BetterLyrics.WinUI3.Models.Stats
 {
     public class ArtistPlayCount
     {

BetterLyrics.WinUI3/BetterLyrics.WinUI3/Models/Stats/HourlyStatBar.cs

@@ -1,8 +1,4 @@
-using System;
-using System.Collections.Generic;
-using System.Text;
-
-namespace BetterLyrics.WinUI3.Models.Stats
+namespace BetterLyrics.WinUI3.Models.Stats
 {
     public class HourlyStatBar
     {

BetterLyrics.WinUI3/BetterLyrics.WinUI3/Models/Stats/PlayerStats.cs

@@ -1,8 +1,4 @@
-using System;
-using System.Collections.Generic;
-using System.Text;
-
-namespace BetterLyrics.WinUI3.Models.Stats
+namespace BetterLyrics.WinUI3.Models.Stats
 {
     public class PlayerStats
     {