diff --git a/csharp/GUI/AboutDialog.xaml b/csharp/GUI/AboutDialog.xaml
index 1244ce2..31bb45e 100644
--- a/csharp/GUI/AboutDialog.xaml
+++ b/csharp/GUI/AboutDialog.xaml
@@ -29,12 +29,12 @@
             <TextBlock Text="OpenSVIP" FontSize="40" FontWeight="Bold"/>
             <TextBlock d:Text="框架版本：1.2.0" FontSize="16">
                 <TextBlock.Text>
-                    <Binding Path="FrameworkVersion" StringFormat="{}框架版本：{0}"/>
+                    <Binding Path="Information.FrameworkVersion" StringFormat="{}框架版本：{0}"/>
                 </TextBlock.Text>
             </TextBlock>
             <TextBlock d:Text="应用程序版本：1.0.0 (Preview)" FontSize="16">
                 <TextBlock.Text>
-                    <Binding Path="Version" StringFormat="{}应用程序版本：{0}"/>
+                    <Binding Path="Information.Version" StringFormat="{}应用程序版本：{0}"/>
                 </TextBlock.Text>
             </TextBlock>
             <TextBlock Text="预览版本 暂勿传播" Foreground="#f44336"/>
@@ -48,13 +48,13 @@
                         <EventSetter Event="Click" Handler="OpenLinkButton_Click"/>
                     </Style>
                 </StackPanel.Resources>
-                <Button ToolTip="{Binding AuthorHomePage}">
+                <Button ToolTip="{Binding Information.AuthorHomePage}">
                     <StackPanel HorizontalAlignment="Center" Orientation="Horizontal">
                         <materialDesign:PackIcon Kind="User" VerticalAlignment="Center" Margin="-3 0 2 0"/>
                         <TextBlock Text="作者主页" FontSize="14" Margin="2 0 2 0"/>
                     </StackPanel>
                 </Button>
-                <Button ToolTip="{Binding GitHubRepository}">
+                <Button ToolTip="{Binding Information.GitHubRepository}">
                     <StackPanel HorizontalAlignment="Center" Orientation="Horizontal">
                         <materialDesign:PackIcon Kind="Github" VerticalAlignment="Center" Margin="-3 0 2 0"/>
                         <TextBlock Text="项目仓库" FontSize="14" Margin="2 0 2 0"/>
diff --git a/csharp/GUI/App.xaml b/csharp/GUI/App.xaml
index dc439c3..4527961 100644
--- a/csharp/GUI/App.xaml
+++ b/csharp/GUI/App.xaml
@@ -12,6 +12,7 @@
                 <ResourceDictionary Source="pack://application:,,,/MaterialDesignThemes.Wpf;component/themes/materialdesigntheme.popupbox.xaml"/>
                 <ResourceDictionary Source="pack://application:,,,/MaterialDesignThemes.Wpf;component/themes/materialdesigntheme.chip.xaml"/>
                 <ResourceDictionary Source="pack://application:,,,/MaterialDesignColors;component/Themes/Recommended/primary/materialdesigncolor.indigo.xaml"/>
+                <ResourceDictionary Source="ScrollBarDictionary.xaml"/>
             </ResourceDictionary.MergedDictionaries>
             <local:NotNullConverter x:Key="NotNullConverter"/>
             <local:IndexToBooleanConverter x:Key="IndexToBooleanConverter"/>
diff --git a/csharp/GUI/Configurations.cs b/csharp/GUI/Configurations.cs
new file mode 100644
index 0000000..d70094e
--- /dev/null
+++ b/csharp/GUI/Configurations.cs
@@ -0,0 +1,138 @@
+using System;
+using System.IO;
+using System.Linq;
+using System.Reflection;
+using System.Windows;
+using Tomlet;
+using Tomlet.Attributes;
+using Tomlet.Models;
+
+namespace OpenSvip.GUI.Config
+{
+    public class AppConfig
+    {
+        private const string CONFIG_FOLDER = "Config";
+
+        private const string CONFIG_FILENAME = "Configurations.toml";
+
+        private static readonly string ActualConfigFolder = Path.Combine(Path.GetDirectoryName(Assembly.GetExecutingAssembly().Location), CONFIG_FOLDER);
+
+        private static readonly string ActualConfigFile = Path.Combine(ActualConfigFolder, CONFIG_FILENAME);
+
+        [TomlProperty("Restoration")]
+        public Properties Properties { get; set; } = new Properties();
+
+        [TomlProperty("Preference")]
+        public Settings Settings { get; set; } = new Settings();
+
+        static AppConfig()
+        {
+            TomletMain.RegisterMapper(
+                rect => new TomlArray { rect.Left, rect.Top, rect.Width, rect.Height },
+                tomlValue =>
+                {
+                    if (!(tomlValue is TomlArray tomlArray))
+                    {
+                        return new Rect();
+                    }
+                    try
+                    {
+                        var arr = tomlArray.Select(val => ((TomlDouble)val).Value).ToArray();
+                        return new Rect(arr[0], arr[1], arr[2], arr[3]);
+                    }
+                    catch
+                    {
+                        return new Rect();
+                    }
+                });
+        }
+
+        public static AppConfig LoadFromFile()
+        {
+            try
+            {
+                var stream = new FileStream(ActualConfigFile, FileMode.Open, FileAccess.Read);
+                var reader = new StreamReader(stream);
+                var config = TomletMain.To<AppConfig>(reader.ReadToEnd());
+                reader.Close();
+                stream.Close();
+                return config;
+            }
+            catch
+            {
+                return new AppConfig();
+            }
+        }
+
+        public void SaveToFile()
+        {
+            try
+            {
+                Directory.CreateDirectory(ActualConfigFolder);
+                var stream = new FileStream(ActualConfigFile, FileMode.Create, FileAccess.Write);
+                var writer = new StreamWriter(stream);
+                writer.Write(TomletMain.TomlStringFrom(this));
+                writer.Flush();
+                stream.Flush();
+                writer.Close();
+                stream.Close();
+            }
+            catch
+            {
+                // ignored
+            }
+        }
+    }
+
+    public class Information
+    {
+        public string Version { get; set; } = "1.0.6 (Preview)";
+
+        public string FrameworkVersion { get; set; } = "1.2.2";
+
+        public string Author { get; set; } = "YQ之神";
+
+        public string AuthorHomePage { get; set; } = "https://space.bilibili.com/102844209";
+
+        public string GitHubRepository { get; set; } = "https://github.com/yqzhishen/opensvip";
+    }
+
+    [TomlDoNotInlineObject]
+    public class Properties
+    {
+        public Rect MainRestoreBounds { get; set; } = new Rect();
+
+        public WindowState MainWindowState { get; set; } = WindowState.Normal;
+    }
+
+    public class Settings
+    {
+        public string ImportPluginId { get; set; }
+
+        public string ExportPluginId { get; set; }
+
+        public bool AutoDetectFormat { get; set; } = true;
+
+        public bool AutoResetTasks { get; set; } = true;
+
+        public bool AutoExtension { get; set; } = true;
+
+        public bool OpenExportFolder { get; set; } = false;
+
+        public OverwriteOptions OverwriteOption { get; set; } = OverwriteOptions.Overwrite;
+
+        public ExportPaths DefaultExportPath { get; set; } = ExportPaths.Unset;
+
+        public string[] CustomExportPaths { get; set; } = Array.Empty<string>();
+    }
+
+    public enum OverwriteOptions
+    {
+        Overwrite, Skip, Ask
+    }
+
+    public enum ExportPaths
+    {
+        Unset, Source, Desktop, Custom
+    }
+}
diff --git a/csharp/GUI/MainWindow.xaml b/csharp/GUI/MainWindow.xaml
index fe9337b..8bda775 100644
--- a/csharp/GUI/MainWindow.xaml
+++ b/csharp/GUI/MainWindow.xaml
@@ -5,6 +5,7 @@
     xmlns:d="http://schemas.microsoft.com/expression/blend/2008"
     xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"
     xmlns:local="clr-namespace:OpenSvip.GUI"
+    xmlns:config="clr-namespace:OpenSvip.GUI.Config"
     xmlns:materialDesign="http://materialdesigninxaml.net/winfx/xaml/themes"
     mc:Ignorable="d"
     Title="OpenSVIP - 歌声合成工程文件转换器（预览版本）"
@@ -38,11 +39,11 @@
             </Grid.RowDefinitions>
             <Border Grid.Row="0" Background="WhiteSmoke">
                 <Border.Resources>
-                    <x:Array x:Key="DefaultExportEnumValues" Type="local:DefaultExport">
-                        <local:DefaultExport>None</local:DefaultExport>
-                        <local:DefaultExport>Source</local:DefaultExport>
-                        <local:DefaultExport>Desktop</local:DefaultExport>
-                        <local:DefaultExport>Custom</local:DefaultExport>
+                    <x:Array x:Key="DefaultExportEnumValues" Type="config:ExportPaths">
+                        <config:ExportPaths>Unset</config:ExportPaths>
+                        <config:ExportPaths>Source</config:ExportPaths>
+                        <config:ExportPaths>Desktop</config:ExportPaths>
+                        <config:ExportPaths>Custom</config:ExportPaths>
                     </x:Array>
                 </Border.Resources>
                 <ComboBox
@@ -51,7 +52,7 @@
                     Height="0"
                     Width="0"
                     ItemsSource="{StaticResource DefaultExportEnumValues}"
-                    SelectedIndex="{Binding DefaultExportPath, Converter={StaticResource IndexToEnumValueConverter}, ConverterParameter={x:Type local:DefaultExport}}"/>
+                    SelectedIndex="{Binding DefaultExportPath, Converter={StaticResource IndexToEnumValueConverter}, ConverterParameter={x:Type config:ExportPaths}}"/>
             </Border>
             <DockPanel x:Name="MenuPanel" Grid.Row="0">
                 <Menu IsMainMenu="True" Margin="20 0 0 0" Height="25" FontFamily="Microsoft YaHei UI" FontSize="13" FontWeight="Normal">
@@ -386,7 +387,7 @@
                                         DragLeave="FileMaskPanel_UnFocus">
                                         <ItemsControl
                                             x:Name="TaskListView"
-                                            Margin="6 5 -5 5"
+                                            Margin="6 5 10 5"
                                             ItemsSource="{Binding TaskList}"
                                             Visibility="{Binding HasItems, ElementName=TaskListView, Converter={StaticResource BooleanToVisibilityConverter}}"
                                             IsEnabled="{Binding ExecutionInProgress, Converter={StaticResource InvertBooleanConverter}}"
@@ -486,6 +487,7 @@
                                         </MultiBinding>
                                     </StackPanel.Visibility>
                                     <StackPanel.Resources>
+                                        <Style TargetType="ScrollViewer" BasedOn="{StaticResource MaterialDesignScrollViewer}"/>
                                         <Style TargetType="TreeView" BasedOn="{StaticResource MaterialDesignTreeView}">
                                             <Setter Property="ScrollViewer.PanningMode" Value="None"/>
                                             <Setter Property="ScrollViewer.VerticalScrollBarVisibility" Value="Disabled"/>
@@ -502,10 +504,10 @@
                                             <Setter Property="MaxWidth">
                                                 <Setter.Value>
                                                     <Binding
-                                                        RelativeSource="{RelativeSource Mode=FindAncestor, AncestorType=TreeView}"
+                                                        RelativeSource="{RelativeSource Mode=FindAncestor, AncestorType=materialDesign:Card}"
                                                         Path="ActualWidth"
                                                         Converter="{StaticResource DoubleConstantSubConverter}"
-                                                        ConverterParameter="140"/>
+                                                        ConverterParameter="160"/>
                                                 </Setter.Value>
                                             </Setter>
                                         </Style>
@@ -531,7 +533,7 @@
                                                 <WrapPanel
                                                     Grid.Row="1"
                                                     Orientation="Horizontal"
-                                                    Width="{Binding ActualWidth, ElementName=ConverterOptionsCard, Converter={StaticResource DoubleConstantSubConverter}, ConverterParameter=70}">
+                                                    Width="{Binding ActualWidth, ElementName=ConverterOptionsCard, Converter={StaticResource DoubleConstantSubConverter}, ConverterParameter=64}">
                                                     <local:OptionTreeViewItem DataContext="{Binding}" VerticalAlignment="Center" HorizontalAlignment="Stretch"/>
                                                 </WrapPanel>
                                             </Grid>
@@ -554,7 +556,7 @@
                                                     <TextBlock Style="{StaticResource TreeViewHeaderComment}" Text="["/>
                                                     <TextBlock Style="{StaticResource TreeViewHeaderComment}" Margin="7 2 0 0">
                                                         <TextBlock.Text>
-                                                            <Binding Path="SelectedInputPlugin.Format" StringFormat="{}导入自 {0}"/>
+                                                            <Binding Path="SelectedInputFormat" StringFormat="{}导入自 {0}" Mode="OneWay"/>
                                                         </TextBlock.Text>
                                                     </TextBlock>
                                                     <TextBlock Style="{StaticResource TreeViewHeaderComment}" Text="]" Margin="7 2 0 0"/>
@@ -582,7 +584,7 @@
                                                     <TextBlock Style="{StaticResource TreeViewHeaderComment}" Text="["/>
                                                     <TextBlock Style="{StaticResource TreeViewHeaderComment}" Margin="7 2 0 0">
                                                         <TextBlock.Text>
-                                                            <Binding Path="SelectedOutputPlugin.Format" StringFormat="{}导出为 {0}"/>
+                                                            <Binding Path="SelectedOutputFormat" StringFormat="{}导出为 {0}" Mode="OneWay"/>
                                                         </TextBlock.Text>
                                                     </TextBlock>
                                                     <TextBlock Style="{StaticResource TreeViewHeaderComment}" Text="]" Margin="7 2 0 0"/>
@@ -654,6 +656,7 @@
                                 <TextBox
                                     VerticalAlignment="Center"
                                     Margin="10 0"
+                                    Padding="0 2"
                                     materialDesign:HintAssist.Hint="{Binding IsChecked, ElementName=ExportToSourceMenuItem, Converter={StaticResource BooleanSwitchOperationConverter}, ConverterParameter=输出路径（本次）;输出路径}"
                                     Text="{Binding ExportPath}"
                                     FontSize="16"
@@ -684,7 +687,7 @@
                                         FontSize="14"
                                         materialDesign:ComboBoxAssist.ShowSelectedItem="False"
                                         IsEnabled="{Binding ExecutionInProgress, Converter={StaticResource InvertBooleanConverter}}"
-                                        SelectedIndex="{Binding OverWriteOption, Converter={StaticResource IndexToEnumValueConverter}, ConverterParameter={x:Type local:OverwriteOptions}}">
+                                        SelectedIndex="{Binding OverWriteOption, Converter={StaticResource IndexToEnumValueConverter}, ConverterParameter={x:Type config:OverwriteOptions}}">
                                         <ComboBoxItem IsSelected="True" Content="覆盖"/>
                                         <ComboBoxItem Content="跳过"/>
                                         <ComboBoxItem Content="询问"/>
diff --git a/csharp/GUI/MainWindow.xaml.cs b/csharp/GUI/MainWindow.xaml.cs
index bf039e0..f32e159 100644
--- a/csharp/GUI/MainWindow.xaml.cs
+++ b/csharp/GUI/MainWindow.xaml.cs
@@ -2,7 +2,6 @@
 using System.Windows.Controls;
 using System.Windows.Media.Animation;
 using System;
-using MaterialDesignThemes.Wpf;
 using System.Windows;
 using System.Linq;
 using System.Collections.Generic;
@@ -12,8 +11,7 @@
 using System.Diagnostics;
 using Microsoft.WindowsAPICodePack.Dialogs;
 using System.Windows.Input;
-using System.Reflection;
-using Newtonsoft.Json;
+using OpenSvip.GUI.Config;
 
 namespace OpenSvip.GUI
 {
@@ -27,22 +25,39 @@ public partial class MainWindow
         public MainWindow()
         {
             InitializeComponent();
-            try
-            {
-                FileStream stream = new FileStream(
-                    Path.Combine(Path.GetDirectoryName(Assembly.GetExecutingAssembly().Location), "Configurations.json"),
-                    FileMode.Open,
-                    FileAccess.Read);
-                StreamReader reader = new StreamReader(stream);
-                Model = JsonConvert.DeserializeObject<AppModel>(reader.ReadToEnd());
-                reader.Close();
-                stream.Close();
+
+            var config = AppConfig.LoadFromFile();
+
+            var properties = config.Properties;
+            var bounds = properties.MainRestoreBounds;
+            if (bounds.Width > 0 && bounds.Height > 0)
+            {
+                WindowState = WindowState.Normal;
+                Left = bounds.Left;
+                Top = bounds.Top;
+                Width = bounds.Width;
+                Height = bounds.Height;
             }
-            catch (Exception)
+            WindowState = properties.MainWindowState;
+
+            var settings = config.Settings;
+            Model = new AppModel
+            {
+                AutoDetectFormat = settings.AutoDetectFormat,
+                AutoResetTasks = settings.AutoResetTasks,
+                AutoExtension = settings.AutoExtension,
+                OpenExportFolder = settings.OpenExportFolder,
+                OverWriteOption = settings.OverwriteOption,
+                DefaultExportPath = settings.DefaultExportPath
+            };
+            Model.SelectedInputPluginIndex = settings.ImportPluginId == null ? -1 : Model.Plugins.FindIndex(plugin => plugin.Identifier.Equals(settings.ImportPluginId));
+            Model.SelectedOutputPluginIndex = settings.ExportPluginId == null ? -1 : Model.Plugins.FindIndex(plugin => plugin.Identifier.Equals(settings.ExportPluginId));
+            foreach (var path in settings.CustomExportPaths)
             {
-                Model = new AppModel();
+                Model.CustomExportPaths.Add(path);
             }
             DataContext = Model;
+            
             var formats = Model.Formats;
             foreach (var str in formats)
             {
@@ -98,7 +113,7 @@ private void AddConverterTasks(IEnumerable<string> filenames)
             var newFilenames = filenames
                 .Where(filename => Model.TaskList.All(task => task.ImportPath != filename))
                 .ToArray();
-            if (Model.DefaultExportPath == DefaultExport.None && !Model.TaskList.Any() && filenames.Any())
+            if (Model.DefaultExportPath == ExportPaths.Unset && !Model.TaskList.Any() && filenames.Any())
             {
                 Model.ExportPath = Path.GetDirectoryName(filenames.First());
             }
@@ -172,7 +187,7 @@ private void ExecuteTasks()
                 var askBeforeOverwrite = Model.OverWriteOption == OverwriteOptions.Ask;
                 foreach (var task in Model.TaskList)
                 {
-                    task.ExportFolder = Model.DefaultExportPath == DefaultExport.Source && string.IsNullOrWhiteSpace(Model.ExportPath) ? task.ImportDirectory : Model.ExportPath;
+                    task.ExportFolder = Model.DefaultExportPath == ExportPaths.Source && string.IsNullOrWhiteSpace(Model.ExportPath) ? task.ImportDirectory : Model.ExportPath;
                     var exportPath = Path.Combine(task.ExportFolder, task.ExportTitle + Model.ExportExtension);
                     if (File.Exists(exportPath))
                     {
@@ -233,7 +248,7 @@ private void ExecuteTasks()
                 if (Model.OpenExportFolder)
                 {
                     var openFolder = Model.ExportPath;
-                    if (Model.DefaultExportPath == DefaultExport.Source)
+                    if (Model.DefaultExportPath == ExportPaths.Source)
                     {
                         openFolder = Model.TaskList[0].ImportDirectory;
                         foreach (var task in Model.TaskList.Skip(1))
@@ -550,7 +565,7 @@ private void BrowseExportFolderButton_Click(object sender, RoutedEventArgs e)
 
         private void StartExecutionButton_Click(object sender, RoutedEventArgs e)
         {
-            if (String.IsNullOrWhiteSpace(Model.ExportPath) && Model.DefaultExportPath != DefaultExport.Source)
+            if (String.IsNullOrWhiteSpace(Model.ExportPath) && Model.DefaultExportPath != ExportPaths.Source)
             {
                 BrowseExportFolderButton_Click(sender, e);
                 if (String.IsNullOrWhiteSpace(Model.ExportPath))
@@ -581,23 +596,26 @@ private void BrowseAndExportMenu_Click(object sender, RoutedEventArgs e)
 
         private void Window_Closing(object sender, System.ComponentModel.CancelEventArgs e)
         {
-            try
-            {
-                FileStream stream = new FileStream(
-                    Path.Combine(Path.GetDirectoryName(Assembly.GetExecutingAssembly().Location), "Configurations.json"),
-                    FileMode.Create,
-                    FileAccess.Write);
-                StreamWriter writer = new StreamWriter(stream);
-                writer.Write(JsonConvert.SerializeObject(Model, Formatting.Indented));
-                writer.Flush();
-                stream.Flush();
-                writer.Close();
-                stream.Close();
-            }
-            catch (Exception)
+            new AppConfig
             {
-                // ignored
-            }
+                Properties =
+                {
+                    MainRestoreBounds = RestoreBounds,
+                    MainWindowState = WindowState
+                },
+                Settings =
+                {
+                    ImportPluginId = Model.SelectedInputPlugin?.Identifier,
+                    ExportPluginId = Model.SelectedOutputPlugin?.Identifier,
+                    AutoDetectFormat = Model.AutoDetectFormat,
+                    AutoResetTasks = Model.AutoResetTasks,
+                    AutoExtension = Model.AutoExtension,
+                    OpenExportFolder = Model.OpenExportFolder,
+                    OverwriteOption = Model.OverWriteOption,
+                    DefaultExportPath = Model.DefaultExportPath,
+                    CustomExportPaths = Model.CustomExportPaths.ToArray()
+                }
+            }.SaveToFile();
         }
     }
 }
diff --git a/csharp/GUI/OpenSvip.GUI.csproj b/csharp/GUI/OpenSvip.GUI.csproj
index 57e30a1..3277fa7 100644
--- a/csharp/GUI/OpenSvip.GUI.csproj
+++ b/csharp/GUI/OpenSvip.GUI.csproj
@@ -65,10 +65,6 @@
       <HintPath>..\packages\WindowsAPICodePack-Shell.1.1.1\lib\Microsoft.WindowsAPICodePack.Shell.dll</HintPath>
       <Private>True</Private>
     </Reference>
-    <Reference Include="Newtonsoft.Json, Version=13.0.0.0, Culture=neutral, PublicKeyToken=30ad4fe6b2a6aeed">
-      <HintPath>..\packages\Newtonsoft.Json.13.0.1\lib\net45\Newtonsoft.Json.dll</HintPath>
-      <Private>True</Private>
-    </Reference>
     <Reference Include="System" />
     <Reference Include="System.ComponentModel.DataAnnotations" />
     <Reference Include="System.Configuration" />
@@ -82,6 +78,9 @@
     <Reference Include="System.Xaml">
       <RequiredTargetFramework>4.0</RequiredTargetFramework>
     </Reference>
+    <Reference Include="Tomlet, Version=3.1.3.0, Culture=neutral, processorArchitecture=MSIL">
+      <HintPath>..\packages\Samboy063.Tomlet.3.1.3\lib\net35\Tomlet.dll</HintPath>
+    </Reference>
     <Reference Include="WindowsBase" />
     <Reference Include="PresentationCore" />
     <Reference Include="PresentationFramework" />
@@ -95,6 +94,7 @@
       <DependentUpon>AboutDialog.xaml</DependentUpon>
     </Compile>
     <Compile Include="AsyncObservableCollection.cs" />
+    <Compile Include="Configurations.cs" />
     <Compile Include="FileOverwriteDialog.xaml.cs">
       <DependentUpon>FileOverwriteDialog.xaml</DependentUpon>
     </Compile>
@@ -153,6 +153,10 @@
       <SubType>Designer</SubType>
       <Generator>MSBuild:Compile</Generator>
     </Page>
+    <Page Include="ScrollBarDictionary.xaml">
+      <SubType>Designer</SubType>
+      <Generator>MSBuild:Compile</Generator>
+    </Page>
     <Page Include="TaskListViewItem.xaml">
       <SubType>Designer</SubType>
       <Generator>MSBuild:Compile</Generator>
@@ -197,6 +201,10 @@
       <Project>{1a025cf4-6ce6-42f9-ad09-16e56d840d95}</Project>
       <Name>OpenSvip.Framework</Name>
     </ProjectReference>
+    <ProjectReference Include="..\Library\OpenSvip.Library.csproj">
+      <Project>{c0982090-a08e-45b8-953a-6d1750a69cdd}</Project>
+      <Name>OpenSvip.Library</Name>
+    </ProjectReference>
     <ProjectReference Include="..\Model\OpenSvip.Model.csproj">
       <Project>{f0cf4e57-33f4-4a63-a45f-69727058c24a}</Project>
       <Name>OpenSvip.Model</Name>
diff --git a/csharp/GUI/OptionTreeViewItem.xaml b/csharp/GUI/OptionTreeViewItem.xaml
index e4b30e2..65a8f8c 100644
--- a/csharp/GUI/OptionTreeViewItem.xaml
+++ b/csharp/GUI/OptionTreeViewItem.xaml
@@ -61,7 +61,7 @@
                 d:DataContext="{d:DesignInstance Type=local:OptionViewModel}"
                 DataContext="{Binding RelativeSource={RelativeSource Mode=FindAncestor, AncestorType=TreeViewItem}, Path=DataContext}">
                 <TextBlock x:Name="TextBlockNearTextBox" Style="{StaticResource OptionTextBlock}" VerticalAlignment="Center" Text="{Binding Path=OptionInfo.Notes, StringFormat={}{0}：}"/>
-                <TextBox Style="{StaticResource OptionTextBox}" VerticalAlignment="Center" Text="{Binding Path=OptionValue}" Margin="0 0 0 1" MinWidth="80"/>
+                <TextBox Style="{StaticResource OptionTextBox}" VerticalAlignment="Center" Margin="0 0 0 2" Padding="2" Text="{Binding Path=OptionValue}" MinWidth="80"/>
             </WrapPanel>
         </DataTemplate>
         <DataTemplate x:Key="Integer">
@@ -70,7 +70,7 @@
                 d:DataContext="{d:DesignInstance Type=local:OptionViewModel}"
                 DataContext="{Binding RelativeSource={RelativeSource Mode=FindAncestor, AncestorType=TreeViewItem}, Path=DataContext}">
                 <TextBlock Style="{StaticResource OptionTextBlock}" VerticalAlignment="Center" Text="{Binding Path=OptionInfo.Notes, StringFormat={}{0}：}"/>
-                <local:IntegerNumericBox Style="{StaticResource OptionIntegerBox}" VerticalAlignment="Center" Padding="4 2" d:Text="60" Text="{Binding Path=OptionValue}" MinWidth="35"/>
+                <local:IntegerNumericBox Style="{StaticResource OptionIntegerBox}" VerticalAlignment="Center" Padding="2 1" d:Text="60" Text="{Binding Path=OptionValue}" MinWidth="35"/>
             </WrapPanel>
         </DataTemplate>
         <DataTemplate x:Key="Double">
@@ -79,7 +79,7 @@
                 d:DataContext="{d:DesignInstance Type=local:OptionViewModel}"
                 DataContext="{Binding RelativeSource={RelativeSource Mode=FindAncestor, AncestorType=TreeViewItem}, Path=DataContext}">
                 <TextBlock Style="{StaticResource OptionTextBlock}" VerticalAlignment="Center" Text="{Binding Path=OptionInfo.Notes, StringFormat={}{0}：}"/>
-                <local:DoubleNumericBox Style="{StaticResource OptionDoubleBox}" VerticalAlignment="Center" Padding="4 2" d:Text="60" Text="{Binding Path=OptionValue}" MinWidth="50" Digits="3"/>
+                <local:DoubleNumericBox Style="{StaticResource OptionDoubleBox}" VerticalAlignment="Center" Padding="2 1" d:Text="60" Text="{Binding Path=OptionValue}" MinWidth="50" Digits="3"/>
             </WrapPanel>
         </DataTemplate>
         <DataTemplate x:Key="Boolean">
@@ -102,8 +102,8 @@
                 DataContext="{Binding RelativeSource={RelativeSource Mode=FindAncestor, AncestorType=TreeViewItem}, Path=DataContext}">
                 <TextBlock Style="{StaticResource OptionTextBlock}" VerticalAlignment="Center" Text="{Binding Path=OptionInfo.Notes, StringFormat={}{0}：}"/>
                 <ComboBox
-                    Margin="0 5 0 0"
-                    Padding="0 0 0 4"
+                    Margin="0 5 0 2"
+                    Padding="2 0 0 2"
                     ItemsSource="{Binding Path=OptionInfo.EnumChoices}"
                     SelectedIndex="{Binding ChoiceIndex}"
                     ToolTip="{Binding RelativeSource={RelativeSource Mode=Self}, Path=SelectedItem.Label}">
diff --git a/csharp/GUI/Properties/AssemblyInfo.cs b/csharp/GUI/Properties/AssemblyInfo.cs
index a436afe..a8d6bac 100644
--- a/csharp/GUI/Properties/AssemblyInfo.cs
+++ b/csharp/GUI/Properties/AssemblyInfo.cs
@@ -51,5 +51,5 @@
 // You can specify all the values or you can default the Build and Revision Numbers
 // by using the '*' as shown below:
 // [assembly: AssemblyVersion("1.0.*")]
-[assembly: AssemblyVersion("1.0.0.0")]
-[assembly: AssemblyFileVersion("1.0.0.0")]
\ No newline at end of file
+[assembly: AssemblyVersion("1.0.6.1")]
+[assembly: AssemblyFileVersion("1.0.6.1")]
\ No newline at end of file
diff --git a/csharp/GUI/ScrollBarDictionary.xaml b/csharp/GUI/ScrollBarDictionary.xaml
new file mode 100644
index 0000000..56ed74c
--- /dev/null
+++ b/csharp/GUI/ScrollBarDictionary.xaml
@@ -0,0 +1,243 @@
+<!-- 作者：一叶知秋，知寒冬  来源：https://www.cnblogs.com/xiaomingg/p/8733258.html  Github：https://github.com/caomfan/WpfDemo -->
+<ResourceDictionary xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
+                    xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml">
+    <Style x:Key="ScrollBarThumb" TargetType="{x:Type Thumb}">
+        <Setter Property="OverridesDefaultStyle" Value="true"/>
+        <Setter Property="IsTabStop" Value="false"/>
+        <Setter Property="Template">
+            <Setter.Value>
+                <ControlTemplate TargetType="{x:Type Thumb}">
+                    <Grid>
+                        <!--滚动条颜色-->
+                        <Border Background="#757575" CornerRadius="3.5"/>
+                    </Grid>
+                </ControlTemplate>
+            </Setter.Value>
+        </Setter>
+    </Style>
+    <Style x:Key="HorizontalScrollBarPageButton" TargetType="{x:Type RepeatButton}">
+        <Setter Property="OverridesDefaultStyle" Value="true"/>
+        <Setter Property="Background" Value="Transparent"/>
+        <Setter Property="Focusable" Value="false"/>
+        <Setter Property="IsTabStop" Value="false"/>
+        <Setter Property="Opacity" Value="0.2"/>
+        <Setter Property="Template">
+            <Setter.Value>
+                <ControlTemplate TargetType="{x:Type RepeatButton}">
+                    <Rectangle Fill="{TemplateBinding Background}" Width="{TemplateBinding Width}" Height="{TemplateBinding Height}"/>
+                </ControlTemplate>
+            </Setter.Value>
+        </Setter>
+    </Style>
+    <Style x:Key="VerticalScrollBarPageButton" TargetType="{x:Type RepeatButton}">
+        <Setter Property="OverridesDefaultStyle" Value="true"/>
+        <Setter Property="Background" Value="Transparent"/>
+        <Setter Property="Focusable" Value="false"/>
+        <Setter Property="IsTabStop" Value="false"/>
+        <Setter Property="Opacity" Value="0.2"/>
+        <Setter Property="Template">
+            <Setter.Value>
+                <ControlTemplate TargetType="{x:Type RepeatButton}">
+                    <Rectangle Fill="{TemplateBinding Background}" Width="{TemplateBinding Width}" Height="{TemplateBinding Height}"/>
+                </ControlTemplate>
+            </Setter.Value>
+        </Setter>
+    </Style>
+
+    <!--滚动条上下按钮-->
+    <Style x:Key="VerticalScrollBarPageButton2" TargetType="{x:Type RepeatButton}">
+        <Setter Property="OverridesDefaultStyle"  Value="true"/>
+        <Setter Property="Background" Value="Transparent"/>
+        <Setter Property="Focusable" Value="false"/>
+        <Setter Property="IsTabStop" Value="false"/>
+        <Setter Property="Opacity"  Value="0"/>
+        <Setter Property="Template">
+            <Setter.Value>
+                <ControlTemplate TargetType="{x:Type RepeatButton}">
+                    <Rectangle Fill="#90000000" Width="0" Height="0"/>
+                </ControlTemplate>
+            </Setter.Value>
+        </Setter>
+    </Style>
+    <Style x:Key="for_scrollbar" TargetType="{x:Type ScrollBar}">
+        <Setter Property="Stylus.IsPressAndHoldEnabled" Value="false"/>
+        <Setter Property="Stylus.IsFlicksEnabled" Value="false"/>
+        <Setter Property="Background" Value="Transparent"/>
+        <Setter Property="Margin" Value="0,1,1,6"/>
+        <Setter Property="Width"  Value="10"/>
+        <Setter Property="MinWidth" Value="5"/>
+        <Setter Property="Opacity"  Value="0.2"/>
+        <Setter Property="Template">
+            <Setter.Value>
+                <ControlTemplate TargetType="{x:Type ScrollBar}">
+                    <Grid x:Name="Bg" SnapsToDevicePixels="true">
+                        <Grid.RowDefinitions>
+                            <RowDefinition Height="auto"></RowDefinition>
+                            <RowDefinition Height="*"></RowDefinition>
+                            <RowDefinition Height="auto"></RowDefinition>
+                        </Grid.RowDefinitions>
+                        <RepeatButton  Grid.Row="0" Style="{StaticResource VerticalScrollBarPageButton2}" Command="{x:Static ScrollBar.PageUpCommand}"/>
+                        <Track x:Name="PART_Track"   Grid.Row="1" IsEnabled="{TemplateBinding IsMouseOver}" IsDirectionReversed="true">
+                            <Track.DecreaseRepeatButton>
+                                <RepeatButton Style="{StaticResource VerticalScrollBarPageButton}" Command="{x:Static ScrollBar.PageUpCommand}"/>
+                            </Track.DecreaseRepeatButton>
+                            <Track.IncreaseRepeatButton>
+                                <RepeatButton Style="{StaticResource VerticalScrollBarPageButton}" Command="{x:Static ScrollBar.PageDownCommand}"/>
+                            </Track.IncreaseRepeatButton>
+                            <Track.Thumb>
+                                <Thumb Style="{StaticResource ScrollBarThumb}"/>
+                            </Track.Thumb>
+                        </Track>
+                        <RepeatButton Grid.Row="2" Style="{StaticResource VerticalScrollBarPageButton2}" Command="{x:Static ScrollBar.PageDownCommand}"/>
+                    </Grid>
+                </ControlTemplate>
+            </Setter.Value>
+        </Setter>
+        <Style.Triggers>
+            <Trigger Property="Orientation" Value="Horizontal">
+                <Setter Property="Background"  Value="Transparent"/>
+                <Setter Property="Margin" Value="1,0,6,1"/>
+                <Setter Property="Height"   Value="5"/>
+                <Setter Property="MinHeight"  Value="5"/>
+                <Setter Property="Width"    Value="Auto"/>
+                <Setter Property="Opacity" Value="0.2"/>
+                <Setter Property="Template">
+                    <Setter.Value>
+                        <ControlTemplate TargetType="{x:Type ScrollBar}">
+                            <Grid x:Name="Bg" SnapsToDevicePixels="true">
+                                <Track x:Name="PART_Track" IsEnabled="{TemplateBinding IsMouseOver}">
+                                    <Track.DecreaseRepeatButton>
+                                        <RepeatButton Style="{StaticResource HorizontalScrollBarPageButton}"  Command="{x:Static ScrollBar.PageLeftCommand}"/>
+                                    </Track.DecreaseRepeatButton>
+                                    <Track.IncreaseRepeatButton>
+                                        <RepeatButton Style="{StaticResource HorizontalScrollBarPageButton}"  Command="{x:Static ScrollBar.PageRightCommand}"/>
+                                    </Track.IncreaseRepeatButton>
+                                    <Track.Thumb>
+                                        <Thumb Style="{StaticResource ScrollBarThumb}"/>
+                                    </Track.Thumb>
+                                </Track>
+                            </Grid>
+                        </ControlTemplate>
+                    </Setter.Value>
+                </Setter>
+            </Trigger>
+        </Style.Triggers>
+    </Style>
+    <Style x:Key="for_scrollviewer"
+           TargetType="{x:Type ScrollViewer}"
+           BasedOn="{StaticResource MaterialDesignScrollViewer}">
+        <Setter Property="BorderBrush" Value="LightGray"/>
+        <Setter Property="BorderThickness" Value="0"/>
+        <Setter Property="Template">
+            <Setter.Value>
+                <ControlTemplate TargetType="{x:Type ScrollViewer}">
+                    <Border BorderBrush="{TemplateBinding BorderBrush}" BorderThickness="{TemplateBinding BorderThickness}" SnapsToDevicePixels="True">
+                        <Grid Background="{TemplateBinding Background}">
+                            <ScrollContentPresenter  Cursor="{TemplateBinding Cursor}" Margin="{TemplateBinding Padding}" ContentTemplate="{TemplateBinding ContentTemplate}"/>
+                            <ScrollBar x:Name="PART_VerticalScrollBar"
+                                       HorizontalAlignment="Right"
+                                       Maximum="{TemplateBinding ScrollableHeight}"
+                                       Orientation="Vertical"
+                                       Style="{StaticResource for_scrollbar}"
+                                       ViewportSize="{TemplateBinding ViewportHeight}"
+                                       Value="{TemplateBinding VerticalOffset}"
+                                       Visibility="{TemplateBinding ComputedVerticalScrollBarVisibility}"/>
+                            <ScrollBar x:Name="PART_HorizontalScrollBar"
+                                       Maximum="{TemplateBinding ScrollableWidth}"
+                                       Orientation="Horizontal"
+                                       Style="{StaticResource for_scrollbar}"
+                                       VerticalAlignment="Bottom"
+                                       Value="{TemplateBinding HorizontalOffset}"
+                                       ViewportSize="{TemplateBinding ViewportWidth}"
+                                       Visibility="{TemplateBinding ComputedHorizontalScrollBarVisibility}"/>
+                        </Grid>
+                    </Border>
+                    <ControlTemplate.Triggers>
+                        <EventTrigger RoutedEvent="ScrollChanged" >
+                            <BeginStoryboard>
+                                <Storyboard>
+                                    <DoubleAnimation
+                                        Storyboard.TargetName="PART_VerticalScrollBar"
+                                        Storyboard.TargetProperty="Opacity"
+                                        To="0.8"
+                                        Duration="0:0:1"/>
+                                    <DoubleAnimation
+                                        Storyboard.TargetName="PART_VerticalScrollBar"
+                                        Storyboard.TargetProperty="Opacity"
+                                        To="0.2"
+                                        Duration="0:0:1"
+                                        BeginTime="0:0:1"/>
+                                    <DoubleAnimation
+                                        Storyboard.TargetName="PART_HorizontalScrollBar"
+                                        Storyboard.TargetProperty="Opacity"
+                                        To="0.8"
+                                        Duration="0:0:1"/>
+                                    <DoubleAnimation
+                                        Storyboard.TargetName="PART_HorizontalScrollBar"
+                                        Storyboard.TargetProperty="Opacity"
+                                        To="0.2"
+                                        Duration="0:0:1"
+                                        BeginTime="0:0:1"/>
+                                </Storyboard>
+                            </BeginStoryboard>
+                        </EventTrigger>
+                        <EventTrigger RoutedEvent="MouseEnter"
+                                      SourceName="PART_VerticalScrollBar">
+                            <BeginStoryboard>
+                                <Storyboard>
+                                    <DoubleAnimation
+                                        Storyboard.TargetName="PART_VerticalScrollBar"
+                                        Storyboard.TargetProperty="Opacity"
+                                        To="0.8"
+                                        Duration="0:0:0.7"/>
+                                </Storyboard>
+                            </BeginStoryboard>
+                        </EventTrigger>
+                        <EventTrigger RoutedEvent="MouseLeave"
+                                      SourceName="PART_VerticalScrollBar">
+                            <BeginStoryboard>
+                                <Storyboard>
+                                    <DoubleAnimation
+                                        Storyboard.TargetName="PART_VerticalScrollBar"
+                                        Storyboard.TargetProperty="Opacity"
+                                        To="0.2"
+                                        Duration="0:0:0.7"/>
+                                </Storyboard>
+                            </BeginStoryboard>
+                        </EventTrigger>
+                        <EventTrigger RoutedEvent="MouseEnter"
+                                      SourceName="PART_HorizontalScrollBar">
+                            <BeginStoryboard>
+                                <Storyboard>
+                                    <DoubleAnimation
+                                        Storyboard.TargetName="PART_HorizontalScrollBar"
+                                        Storyboard.TargetProperty="Opacity"
+                                        To="0.8"
+                                        Duration="0:0:0.7"/>
+                                </Storyboard>
+                            </BeginStoryboard>
+                        </EventTrigger>
+                        <EventTrigger RoutedEvent="MouseLeave"
+                                      SourceName="PART_HorizontalScrollBar">
+                            <BeginStoryboard>
+                                <Storyboard>
+                                    <DoubleAnimation
+                                        Storyboard.TargetName="PART_HorizontalScrollBar"
+                                        Storyboard.TargetProperty="Opacity"
+                                        To="0.2"
+                                        Duration="0:0:0.7"/>
+                                </Storyboard>
+                            </BeginStoryboard>
+                        </EventTrigger>
+                    </ControlTemplate.Triggers>
+                </ControlTemplate>
+            </Setter.Value>
+        </Setter>
+    </Style>
+
+    <!--默认ScrollBar-->
+    <Style TargetType="ScrollBar" BasedOn="{StaticResource for_scrollbar}"/>
+
+    <!--默认ScrollView-->
+    <Style TargetType="ScrollViewer" BasedOn="{StaticResource for_scrollviewer}"/>
+</ResourceDictionary>
\ No newline at end of file
diff --git a/csharp/GUI/TaskListViewItem.xaml b/csharp/GUI/TaskListViewItem.xaml
index 0244be1..4bfa28f 100644
--- a/csharp/GUI/TaskListViewItem.xaml
+++ b/csharp/GUI/TaskListViewItem.xaml
@@ -200,8 +200,8 @@
     <Grid>
         <Grid.ColumnDefinitions>
             <ColumnDefinition Width="40"/>
-            <ColumnDefinition Width="1.75*"/>
-            <ColumnDefinition Width="1*" MinWidth="90" MaxWidth="210"/>
+            <ColumnDefinition Width="1*"/>
+            <ColumnDefinition Width="1.5*" MinWidth="100" MaxWidth="210"/>
             <ColumnDefinition Width="40"/>
         </Grid.ColumnDefinitions>
         <Grid.RowDefinitions>
@@ -229,7 +229,7 @@
             <materialDesign:PackIcon
                 DockPanel.Dock="Left"
                 VerticalAlignment="Center"
-                Margin="0 4 5 4"
+                Margin="0 4 2 4"
                 Width="20"
                 Height="20"
                 Kind="Export"
@@ -238,12 +238,16 @@
                 DockPanel.Dock="Right"
                 VerticalAlignment="Center"
                 Margin="5 4 0 5"
+                FontSize="13"
                 d:Text=".json"
                 Text="{Binding RelativeSource={RelativeSource Mode=FindAncestor, AncestorType=Window}, Path=DataContext.ExportExtension, Mode=OneWay}"/>
             <TextBox
                 DockPanel.Dock="Right"
                 VerticalAlignment="Center"
                 HorizontalContentAlignment="Center"
+                Padding="1 2"
+                d:Padding="2 4 2 0"
+                FontSize="13"
                 materialDesign:HintAssist.Hint="输出文件名"
                 Text="{Binding ExportTitle}"/>
         </DockPanel>
diff --git a/csharp/GUI/ViewModels.cs b/csharp/GUI/ViewModels.cs
index abb8fcb..293f2d8 100644
--- a/csharp/GUI/ViewModels.cs
+++ b/csharp/GUI/ViewModels.cs
@@ -5,12 +5,10 @@
 using System.IO;
 using System.Linq;
 using OpenSvip.Framework;
-using Newtonsoft.Json;
-using Newtonsoft.Json.Converters;
+using OpenSvip.GUI.Config;
 
 namespace OpenSvip.GUI
 {
-    [JsonObject(MemberSerialization = MemberSerialization.OptIn)]
     public class AppModel : INotifyPropertyChanged
     {
         public event PropertyChangedEventHandler PropertyChanged;
@@ -45,23 +43,14 @@ public AppModel()
             });
         }
 
-        public string Version { get; set; } = "1.0.5 (Preview)";
+        public Information Information { get; set; } = new Information();
 
-        public string FrameworkVersion { get; set; } = "1.2.2";
-
-        public string Author { get; set; } = "YQ之神";
-
-        public string AuthorHomePage { get; set; } = "https://space.bilibili.com/102844209";
-
-        public string GitHubRepository { get; set; } = "https://github.com/yqzhishen/opensvip";
-
-        public List<Plugin> Plugins { get; } = PluginManager.GetAllPlugins().ToList();
+        public List<Plugin> Plugins { get; set; } = PluginManager.GetAllPlugins().ToList();
 
         public List<string> Formats => Plugins.ConvertAll(plugin => $"{plugin.Format} (*.{plugin.Suffix})");
 
-        private bool _autoDetectFormat = true;
+        private bool _autoDetectFormat;
 
-        [JsonProperty]
         public bool AutoDetectFormat
         {
             get => _autoDetectFormat;
@@ -72,9 +61,8 @@ public bool AutoDetectFormat
             }
         }
 
-        private bool _autoResetTasks = true;
+        private bool _autoResetTasks;
 
-        [JsonProperty]
         public bool AutoResetTasks
         {
             get => _autoResetTasks;
@@ -84,9 +72,8 @@ public bool AutoResetTasks
             }
         }
 
-        private bool _autoExtension = true;
+        private bool _autoExtension;
 
-        [JsonProperty]
         public bool AutoExtension
         {
             get => _autoExtension;
@@ -106,7 +93,6 @@ public bool AutoExtension
 
         private bool _openExportFolder;
 
-        [JsonProperty]
         public bool OpenExportFolder
         {
             get => _openExportFolder;
@@ -119,8 +105,6 @@ public bool OpenExportFolder
 
         private OverwriteOptions _overwriteOption = OverwriteOptions.Overwrite;
 
-        [JsonProperty]
-        [JsonConverter(typeof(StringEnumConverter))]
         public OverwriteOptions OverWriteOption
         {
             get => _overwriteOption;
@@ -131,27 +115,25 @@ public OverwriteOptions OverWriteOption
             }
         }
 
-        private DefaultExport _defaultExportPath = DefaultExport.None;
+        private ExportPaths _defaultExportPath;
 
-        [JsonProperty]
-        [JsonConverter(typeof(StringEnumConverter))]
-        public DefaultExport DefaultExportPath
+        public ExportPaths DefaultExportPath
         {
             get => _defaultExportPath;
             set {
                 _defaultExportPath = value;
                 switch (value)
                 {
-                    case DefaultExport.Source:
+                    case ExportPaths.Source:
                         ExportPath = "";
                         break;
-                    case DefaultExport.Desktop:
+                    case ExportPaths.Desktop:
                         ExportPath = Environment.GetFolderPath(Environment.SpecialFolder.Desktop);
                         break;
-                    case DefaultExport.Custom:
+                    case ExportPaths.Custom:
                         // TODO: implement this
                         break;
-                    case DefaultExport.None:
+                    case ExportPaths.Unset:
                     default:
                         break;
                 }
@@ -159,7 +141,6 @@ public DefaultExport DefaultExportPath
             }
         }
 
-        [JsonProperty]
         public ObservableCollection<string> CustomExportPaths { get; set; } = new AsyncObservableCollection<string>();
 
         private int _selectedInputPluginIndex = -1;
@@ -172,6 +153,7 @@ public int SelectedInputPluginIndex
                 _selectedInputPluginIndex = value;
                 PropertyChanged?.Invoke(this, new PropertyChangedEventArgs("SelectedInputPluginIndex"));
                 PropertyChanged?.Invoke(this, new PropertyChangedEventArgs("SelectedInputPlugin"));
+                PropertyChanged?.Invoke(this, new PropertyChangedEventArgs("SelectedInputFormat"));
                 PropertyChanged?.Invoke(this, new PropertyChangedEventArgs("SelectedInputOptions"));
             }
         }
@@ -179,6 +161,14 @@ public int SelectedInputPluginIndex
         public Plugin SelectedInputPlugin
             => SelectedInputPluginIndex >= 0 ? Plugins[SelectedInputPluginIndex] : null;
 
+        public string SelectedInputFormat =>
+            SelectedInputPluginIndex >= 0 ? Plugins[SelectedInputPluginIndex].Format : null;
+
+        public ObservableCollection<OptionViewModel> SelectedInputOptions
+            => _selectedInputPluginIndex >= 0 ? InputOptions[_selectedInputPluginIndex] : null;
+
+        public List<ObservableCollection<OptionViewModel>> InputOptions { get; }
+
         private int _selectedOutputPluginIndex = -1;
 
         public int SelectedOutputPluginIndex
@@ -190,6 +180,7 @@ public int SelectedOutputPluginIndex
                 ExportExtension = AutoExtension && value >= 0 ? "." + SelectedOutputPlugin.Suffix : null;
                 PropertyChanged?.Invoke(this, new PropertyChangedEventArgs("SelectedOutputPluginIndex"));
                 PropertyChanged?.Invoke(this, new PropertyChangedEventArgs("SelectedOutputPlugin"));
+                PropertyChanged?.Invoke(this, new PropertyChangedEventArgs("SelectedOutputFormat"));
                 PropertyChanged?.Invoke(this, new PropertyChangedEventArgs("SelectedOutputOptions"));
                 PropertyChanged?.Invoke(this, new PropertyChangedEventArgs("ExportExtension"));
             }
@@ -198,7 +189,13 @@ public int SelectedOutputPluginIndex
         public Plugin SelectedOutputPlugin
             => SelectedOutputPluginIndex >= 0 ? Plugins[SelectedOutputPluginIndex] : null;
 
-        public List<ObservableCollection<OptionViewModel>> InputOptions { get; }
+        public string SelectedOutputFormat =>
+            SelectedOutputPluginIndex >= 0 ? Plugins[SelectedOutputPluginIndex].Format : null;
+
+        public ObservableCollection<OptionViewModel> SelectedOutputOptions
+            => _selectedOutputPluginIndex >= 0 ? OutputOptions[_selectedOutputPluginIndex] : null;
+
+        public List<ObservableCollection<OptionViewModel>> OutputOptions { get; }
 
         private string _exportExtension;
 
@@ -229,14 +226,6 @@ public string ExportExtension
             }
         }
 
-        public ObservableCollection<OptionViewModel> SelectedInputOptions
-            => _selectedInputPluginIndex >= 0 ? InputOptions[_selectedInputPluginIndex] : null;
-
-        public List<ObservableCollection<OptionViewModel>> OutputOptions { get; }
-
-        public ObservableCollection<OptionViewModel> SelectedOutputOptions
-            => _selectedOutputPluginIndex >= 0 ? OutputOptions[_selectedOutputPluginIndex] : null;
-
         public ObservableCollection<TaskViewModel> TaskList { get; set; } = new AsyncObservableCollection<TaskViewModel>();
 
         private string _exportPath;
@@ -388,14 +377,4 @@ public enum TaskStates
     {
         Ready, Queued, Success, Warning, Error, Skipped
     }
-
-    public enum DefaultExport
-    {
-        None, Source, Desktop, Custom 
-    }
-
-    public enum OverwriteOptions
-    {
-        Overwrite, Skip, Ask
-    }
 }
diff --git a/csharp/GUI/packages.config b/csharp/GUI/packages.config
index 8c03287..3a62417 100644
--- a/csharp/GUI/packages.config
+++ b/csharp/GUI/packages.config
@@ -2,7 +2,7 @@
 <packages>
   <package id="MaterialDesignColors" version="2.0.5" targetFramework="net472" />
   <package id="MaterialDesignThemes" version="4.4.0" targetFramework="net472" />
-  <package id="Newtonsoft.Json" version="13.0.1" targetFramework="net472" />
+  <package id="Samboy063.Tomlet" version="3.1.3" targetFramework="net472" />
   <package id="WindowsAPICodePack-Core" version="1.1.2" targetFramework="net472" />
   <package id="WindowsAPICodePack-Shell" version="1.1.1" targetFramework="net472" />
 </packages>
\ No newline at end of file