diff --git a/Ink Canvas/ChangeLogWindow.xaml b/Ink Canvas/ChangeLogWindow.xaml
new file mode 100644
index 0000000..473226f
--- /dev/null
+++ b/Ink Canvas/ChangeLogWindow.xaml	
@@ -0,0 +1,25 @@
+<Window x:Class="Ink_Canvas.ChangeLogWindow"
+        xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
+        xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
+        xmlns:d="http://schemas.microsoft.com/expression/blend/2008"
+        xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"
+        xmlns:local="clr-namespace:Ink_Canvas" WindowStartupLocation="CenterScreen" ResizeMode="NoResize" ShowInTaskbar="False"
+        xmlns:ui="http://schemas.modernwpf.com/2019" FontFamily="Microsoft YaHei UI" Topmost="True"
+        mc:Ignorable="d" ui:WindowHelper.UseModernWindowStyle="True" Loaded="Window_Loaded" Closed="Window_Closed"
+        Title="" Height="350" Width="600">
+    <Grid>
+        <Grid.RowDefinitions>
+            <RowDefinition Height="50"/>
+            <RowDefinition/>
+            <RowDefinition Height="60"/>
+        </Grid.RowDefinitions>
+        <Label Content="已升级到最新版本！" FontFamily="Microsoft YaHei UI" FontSize="26" Margin="20,0"/>
+        <StackPanel Grid.Row="1">
+            <TextBlock Name="TextBlockChangeLogTitle" Text="更新日志" FontSize="18" FontWeight="Bold" Margin="35,10,35,0"/>
+            <TextBlock Name="TextBlockChangeLog" Text="" FontSize="14" Margin="55,5"/>
+            <TextBlock Name="TextBlockSuggestionTitle" Text="建议" FontSize="18" FontWeight="Bold" Margin="35,10,35,0"/>
+            <TextBlock Name="TextBlockSuggestion" Text="" FontSize="14" Margin="55,5"/>
+        </StackPanel>
+        <Button Content="确定" Grid.Row="2" HorizontalAlignment="Right" Margin="10" Width="100" FontFamily="Microsoft YaHei UI" Click="Button_Click"/>
+    </Grid>
+</Window>
diff --git a/Ink Canvas/ChangeLogWindow.xaml.cs b/Ink Canvas/ChangeLogWindow.xaml.cs
new file mode 100644
index 0000000..e5117c8
--- /dev/null
+++ b/Ink Canvas/ChangeLogWindow.xaml.cs	
@@ -0,0 +1,49 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+using System.Windows;
+using System.Windows.Controls;
+using System.Windows.Data;
+using System.Windows.Documents;
+using System.Windows.Input;
+using System.Windows.Media;
+using System.Windows.Media.Imaging;
+using System.Windows.Shapes;
+
+namespace Ink_Canvas
+{
+    /// <summary>
+    /// Interaction logic for ChangeLogWindow.xaml
+    /// </summary>
+    public partial class ChangeLogWindow : Window
+    {
+        public ChangeLogWindow()
+        {
+            InitializeComponent();
+        }
+
+        private void Window_Loaded(object sender, RoutedEventArgs e)
+        {
+            //Version 2.1.0-beta
+            TextBlockChangeLog.Text = "" +
+                "1. 修复使用画板时无法使用翻页笔的问题\n" +
+                "2. 支持修改画笔粗细，支持显示画笔指针\n" +
+                "3. 支持双指缩放和拖动手势\n" +
+                "4. 添加“选择墨迹”功能，选中后可以对墨迹进行拖动，拉伸等操作\n" +
+                "5. 添加画图功能（直线、箭头、矩形、椭圆）";
+            TextBlockSuggestion.Text = "打开设置，点击“重置”中的“重置设置为推荐设置”，以提升教学体验！";
+        }
+
+        private void Window_Closed(object sender, EventArgs e)
+        {
+
+        }
+
+        private void Button_Click(object sender, RoutedEventArgs e)
+        {
+            Close();
+        }
+    }
+}
diff --git a/Ink Canvas/Ink Canvas.csproj b/Ink Canvas/Ink Canvas.csproj
index 4167b25..d435fa7 100644
--- a/Ink Canvas/Ink Canvas.csproj	
+++ b/Ink Canvas/Ink Canvas.csproj	
@@ -84,10 +84,17 @@
       <Generator>MSBuild:Compile</Generator>
       <SubType>Designer</SubType>
     </ApplicationDefinition>
+    <Compile Include="ChangeLogWindow.xaml.cs">
+      <DependentUpon>ChangeLogWindow.xaml</DependentUpon>
+    </Compile>
     <Compile Include="Settings.cs" />
     <Compile Include="SettingsPage.xaml.cs">
       <DependentUpon>SettingsPage.xaml</DependentUpon>
     </Compile>
+    <Page Include="ChangeLogWindow.xaml">
+      <SubType>Designer</SubType>
+      <Generator>MSBuild:Compile</Generator>
+    </Page>
     <Page Include="MainWindow.xaml">
       <Generator>MSBuild:Compile</Generator>
       <SubType>Designer</SubType>
diff --git a/Ink Canvas/MainWindow.xaml b/Ink Canvas/MainWindow.xaml
index daf0178..e316c55 100644
--- a/Ink Canvas/MainWindow.xaml	
+++ b/Ink Canvas/MainWindow.xaml	
@@ -61,7 +61,7 @@
                               ManipulationBoundaryFeedback="SCManipulationBoundaryFeedback">
                     <StackPanel Margin="20,20,20,20">
                         <TextBlock FontSize="14" Margin="0,0,0,0"
-                                   Text="*设置将自动保存，再次点击“设置”按钮将关闭此页面。"/>
+                                   Text="*设置将自动保存，再次点击“设置”按钮即可关闭此页面。"/>
                         <TextBlock FontSize="14" Margin="0,0,0,12"
                                    Text="*部分设置可能需要重新打开后生效。"/>
                         <GroupBox Header="行为">
@@ -110,11 +110,31 @@
                                 <ui:ToggleSwitch Name="ToggleSwitchShowButtonExit" Header="显示“退出”按钮" IsOn="True" FontFamily="Microsoft YaHei UI" OnContent="开" OffContent="关" Toggled="ToggleSwitchShowButtonExit_Toggled"/>
                                 <Button Content="立即退出" Width="120" FontFamily="Microsoft YaHei UI" Click="BtnExit_Click" Margin="0,0,0,10"/>
                                 <ui:ToggleSwitch Name="ToggleSwitchShowButtonEraser" Header="显示“橡皮”按钮" IsOn="True" FontFamily="Microsoft YaHei UI" OnContent="开" OffContent="关" Toggled="ToggleSwitchShowButtonEraser_Toggled"/>
-                                <ui:ToggleSwitch Name="ToggleSwitchShowButtonHideControl" Header="显示“⇅ (显示或隐藏控制按钮)”按钮" IsOn="True" FontFamily="Microsoft YaHei UI" OnContent="开" OffContent="关" Toggled="ToggleSwitchShowButtonHideControl_Toggled"/>
-                                <ui:ToggleSwitch Name="ToggleSwitchShowButtonLRSwitch" Header="显示“⇆ (左右切换)”按钮" IsOn="True" FontFamily="Microsoft YaHei UI" OnContent="开" OffContent="关" Toggled="ToggleSwitchShowButtonLRSwitch_Toggled"/>
+                                <ui:ToggleSwitch Name="ToggleSwitchShowButtonHideControl" Header="显示“⇅ (显示或隐藏控制按钮)”按钮" IsOn="False" FontFamily="Microsoft YaHei UI" OnContent="开" OffContent="关" Toggled="ToggleSwitchShowButtonHideControl_Toggled"/>
+                                <ui:ToggleSwitch Name="ToggleSwitchShowButtonLRSwitch" Header="显示“⇆ (左右切换)”按钮" IsOn="False" FontFamily="Microsoft YaHei UI" OnContent="开" OffContent="关" Toggled="ToggleSwitchShowButtonLRSwitch_Toggled"/>
                                 <ui:ToggleSwitch Name="ToggleSwitchShowButtonModeFinger" Header="显示“手指模式”切换按钮" IsOn="True" FontFamily="Microsoft YaHei UI" OnContent="开" OffContent="关" Toggled="ToggleSwitchShowButtonModeFinger_Toggled"/>
                             </ui:SimpleStackPanel>
                         </GroupBox>
+                        <GroupBox Header="重置">
+                            <ui:SimpleStackPanel Spacing="12">
+                                <StackPanel>
+                                    <TextBlock FontSize="14" Margin="0,0,0,12"
+                                        Text="重置设置为推荐设置"/>
+                                    <ui:SimpleStackPanel Orientation="Horizontal" Spacing="12">
+                                        <Button Content="重置" Width="100" FontFamily="Microsoft YaHei UI" Click="BtnResetToSuggestion_Click" Margin="0,0,0,0"/>
+                                        <ui:SymbolIcon Name="SymbolIconResetSuggestionComplete" Symbol="Accept" Visibility="Collapsed"/>
+                                    </ui:SimpleStackPanel>
+                                </StackPanel>
+                                <StackPanel>
+                                    <TextBlock FontSize="14" Margin="0,0,0,12"
+                                        Text="重置设置为默认设置"/>
+                                    <ui:SimpleStackPanel Orientation="Horizontal" Spacing="12">
+                                        <Button Content="重置" Width="100" FontFamily="Microsoft YaHei UI" Click="BtnResetToDefault_Click" Margin="0,0,0,10"/>
+                                        <ui:SymbolIcon Name="SymbolIconResetDefaultComplete" Symbol="Accept" Visibility="Collapsed"/>
+                                    </ui:SimpleStackPanel>
+                                </StackPanel>
+                            </ui:SimpleStackPanel>
+                        </GroupBox>
                         <GroupBox Header="关于">
                             <ui:SimpleStackPanel Spacing="12">
                                 <ui:SimpleStackPanel Orientation="Horizontal" Spacing="4">
@@ -286,9 +306,12 @@
             <Button Name="BtnSelect" Content="选择&#x000A;墨迹" Visibility="Visible" FontFamily="Microsoft YaHei UI"
                     Margin="0,25,0,0" Width="{Binding ElementName=StackPanelMain, Path=ActualWidth}"
                     Click="BtnSelect_Click" Foreground="{Binding ElementName=BtnExit, Path=Foreground}" Background="{Binding ElementName=BtnExit, Path=Background}"/>
+            <Button Name="BtnClearAndHideCanvas" Content="清屏&#x000A;&amp;&#x000A;隐藏" Visibility="Collapsed" FontFamily="Microsoft YaHei UI"
+                    Margin="0,10,0,0" Width="{Binding ElementName=StackPanelMain, Path=ActualWidth}" Block.TextAlignment="Center"
+                    Click="BtnSelect_Click" Foreground="{Binding ElementName=BtnExit, Path=Foreground}" Background="{Binding ElementName=BtnExit, Path=Background}"/>
             <StackPanel Visibility="{Binding ElementName=StackPanelPPTControls, Path=Visibility}">
                 <Button Content="↑" FontFamily="Microsoft YaHei UI"
-                        Margin="0,10,0,0" Width="{Binding ElementName=StackPanelMain, Path=ActualWidth}"
+                        Margin="0,25,0,0" Width="{Binding ElementName=StackPanelMain, Path=ActualWidth}"
                         Click="BtnPPTSlidesUp_Click" Foreground="{Binding ElementName=BtnExit, Path=Foreground}" Background="{Binding ElementName=BtnExit, Path=Background}"/>
                 <Button Content="↓" FontFamily="Microsoft YaHei UI"
                         Margin="0,10,0,0" Width="{Binding ElementName=StackPanelMain, Path=ActualWidth}"
diff --git a/Ink Canvas/MainWindow.xaml.cs b/Ink Canvas/MainWindow.xaml.cs
index b40d243..d338d91 100644
--- a/Ink Canvas/MainWindow.xaml.cs	
+++ b/Ink Canvas/MainWindow.xaml.cs	
@@ -162,7 +162,7 @@ namespace Ink_Canvas
 
                                             Application.Current.Dispatcher.Invoke(() =>
                                             {
-                                                Close();
+                                                Application.Current.Shutdown();
                                             });
                                         }
                                     }
@@ -175,7 +175,34 @@ namespace Ink_Canvas
                 catch { }
             })).Start();
 
+            loadPenCanvas();
+
             //加载设置
+            LoadSettings();
+
+            Version version = Assembly.GetExecutingAssembly().GetName().Version;
+            TextBlockVersion.Text = version.ToString();
+
+            ThemeManager.Current.ApplicationTheme = ApplicationTheme.Light;
+
+            string lastVersion = "";
+            try
+            {
+                lastVersion = File.ReadAllText("versions.ini");
+            }
+            catch { }
+            if (!lastVersion.Contains(version.ToString()))
+            {
+                new ChangeLogWindow().ShowDialog();
+                lastVersion += "\n" + version.ToString();
+                File.WriteAllText("versions.ini", lastVersion.Trim());
+            }
+
+            isLoaded = true;
+        }
+
+        private void LoadSettings(bool isStartup = true)
+        {
             if (File.Exists(settingsFileName))
             {
                 try
@@ -191,40 +218,87 @@ namespace Ink_Canvas
                 ToggleSwitchModeFinger.IsOn = true;
                 ToggleSwitchAutoEnterModeFinger.IsOn = true;
             }
+            else
+            {
+                ToggleSwitchAutoEnterModeFinger.IsOn = false;
+            }
             if (Settings.Startup.IsAutoHideCanvas)
             {
-                BtnHideInkCanvas_Click(BtnHideInkCanvas, null);
+                if (isStartup)
+                {
+                    BtnHideInkCanvas_Click(BtnHideInkCanvas, null);
+                }
                 ToggleSwitchAutoHideCanvas.IsOn = true;
             }
+            else
+            {
+                ToggleSwitchAutoHideCanvas.IsOn = false;
+            }
 
-            if (!Settings.Appearance.IsShowEraserButton)
+            if (Settings.Appearance.IsShowEraserButton)
+            {
+                BtnErase.Visibility = Visibility.Visible;
+                ToggleSwitchShowButtonEraser.IsOn = true;
+            }
+            else
             {
                 BtnErase.Visibility = Visibility.Collapsed;
                 ToggleSwitchShowButtonEraser.IsOn = false;
             }
-            if (!Settings.Appearance.IsShowExitButton)
+            if (Settings.Appearance.IsShowExitButton)
+            {
+                BtnExit.Visibility = Visibility.Visible;
+                ToggleSwitchShowButtonExit.IsOn = true;
+            }
+            else
             {
                 BtnExit.Visibility = Visibility.Collapsed;
                 ToggleSwitchShowButtonExit.IsOn = false;
             }
-            if (!Settings.Appearance.IsShowHideControlButton)
+            if (Settings.Appearance.IsShowHideControlButton)
+            {
+                BtnHideControl.Visibility = Visibility.Visible;
+                ToggleSwitchShowButtonHideControl.IsOn = true;
+            }
+            else
             {
                 BtnHideControl.Visibility = Visibility.Collapsed;
-                ToggleSwitchShowButtonHideControl.IsOn = false;
             }
-            if (!Settings.Appearance.IsShowLRSwitchButton)
+            if (Settings.Appearance.IsShowLRSwitchButton)
+            {
+                BtnSwitchSide.Visibility = Visibility.Visible;
+                ToggleSwitchShowButtonLRSwitch.IsOn = true;
+            }
+            else
             {
                 BtnSwitchSide.Visibility = Visibility.Collapsed;
-                ToggleSwitchShowButtonLRSwitch.IsOn = false;
             }
-            if (!Settings.Appearance.IsShowModeFingerToggleSwitch)
+            if (Settings.Appearance.IsShowModeFingerToggleSwitch)
+            {
+                StackPanelModeFinger.Visibility = Visibility.Visible;
+                ToggleSwitchShowButtonModeFinger.IsOn = true;
+            }
+            else
             {
                 StackPanelModeFinger.Visibility = Visibility.Collapsed;
                 ToggleSwitchShowButtonModeFinger.IsOn = false;
             }
-            if (!Settings.Appearance.IsTransparentButtonBackground)
+            if (Settings.Appearance.IsTransparentButtonBackground)
             {
-                BtnExit.Background = new SolidColorBrush(StringToColor("#FFCCCCCC"));
+                BtnExit.Background = new SolidColorBrush(StringToColor("#7F909090"));
+            }
+            else
+            {
+                if (BtnSwitchTheme.Content.ToString() == "深色")
+                {
+                    //Light
+                    BtnExit.Background = new SolidColorBrush(StringToColor("#FFCCCCCC"));
+                }
+                else
+                {
+                    //Dark
+                    BtnExit.Background = new SolidColorBrush(StringToColor("#FF555555"));
+                }
             }
 
             if (Settings.Behavior.PowerPointSupport)
@@ -236,28 +310,43 @@ namespace Ink_Canvas
             else
             {
                 ToggleSwitchSupportPowerPoint.IsOn = false;
+                timerCheckPPT.Stop();
             }
-            if (!Settings.Behavior.IsShowCanvasAtNewSlideShow)
+            if (Settings.Behavior.IsShowCanvasAtNewSlideShow)
+            {
+                ToggleSwitchShowCanvasAtNewSlideShow.IsOn = true;
+            }
+            else
             {
                 ToggleSwitchShowCanvasAtNewSlideShow.IsOn = false;
             }
 
+            if (Settings.Gesture == null)
+            {
+                Settings.Gesture = new Gesture();
+            }
             if (Settings.Gesture.IsEnableTwoFingerRotation)
             {
                 ToggleSwitchEnableTwoFingerRotation.IsOn = true;
             }
+            else
+            {
+                ToggleSwitchEnableTwoFingerRotation.IsOn = false;
+            }
             if (Settings.Gesture.IsEnableTwoFingerGestureInPresentationMode)
             {
                 ToggleSwitchEnableTwoFingerGestureInPresentationMode.IsOn = true;
             }
+            else
+            {
+                ToggleSwitchEnableTwoFingerGestureInPresentationMode.IsOn = false;
+            }
 
             if (File.Exists(Environment.GetFolderPath(Environment.SpecialFolder.Startup) + "\\InkCanvas" + ".lnk"))
             {
                 ToggleSwitchRunAtStartup.IsOn = true;
             }
 
-            loadPenCanvas();
-
             if (Settings.Canvas != null)
             {
                 drawingAttributes.Height = Settings.Canvas.InkWidth;
@@ -270,20 +359,18 @@ namespace Ink_Canvas
                     ToggleSwitchShowCursor.IsOn = true;
                     inkCanvas.ForceCursor = true;
                 }
+                else
+                {
+                    ToggleSwitchShowCursor.IsOn = false;
+                    inkCanvas.ForceCursor = false;
+                }
             }
             else
             {
                 Settings.Canvas = new Canvas();
             }
-
-            Version version = Assembly.GetExecutingAssembly().GetName().Version;
-            TextBlockVersion.Text = version.ToString();
-
-            ThemeManager.Current.ApplicationTheme = ApplicationTheme.Light;
-            ThemeManager.Current.ApplicationTheme = ApplicationTheme.Light;
-
-            isLoaded = true;
         }
+
         string settingsFileName = "settings.json";
         bool isLoaded = false;
 
@@ -374,7 +461,7 @@ namespace Ink_Canvas
 
         #region Buttons - Color
 
-        int inkColor = 0;
+        int inkColor = 1;
 
         private void ColorSwitchCheck()
         {
@@ -665,14 +752,14 @@ namespace Ink_Canvas
 
         private void BtnSwitchSide_Click(object sender, RoutedEventArgs e)
         {
-            if (StackPanelMain.HorizontalAlignment == HorizontalAlignment.Right)
+            if (ViewBoxStackPanelMain.HorizontalAlignment == HorizontalAlignment.Right)
             {
-                StackPanelMain.HorizontalAlignment = HorizontalAlignment.Left;
+                ViewBoxStackPanelMain.HorizontalAlignment = HorizontalAlignment.Left;
                 StackPanelShapes.HorizontalAlignment = HorizontalAlignment.Right;
             }
             else
             {
-                StackPanelMain.HorizontalAlignment = HorizontalAlignment.Right;
+                ViewBoxStackPanelMain.HorizontalAlignment = HorizontalAlignment.Right;
                 StackPanelShapes.HorizontalAlignment = HorizontalAlignment.Left;
             }
         }
@@ -1525,6 +1612,56 @@ namespace Ink_Canvas
 
             SaveSettingsToFile();
         }
+
+        private void BtnResetToSuggestion_Click(object sender, RoutedEventArgs e)
+        {
+            try
+            {
+                isLoaded = false;
+                Settings = new Settings();
+                Settings.Appearance.IsShowEraserButton = false;
+                Settings.Appearance.IsShowExitButton = false;
+                Settings.Startup.IsAutoHideCanvas = true;
+                SaveSettingsToFile();
+                LoadSettings(false);
+                isLoaded = true;
+
+                if (ToggleSwitchRunAtStartup.IsOn == false)
+                {
+                    ToggleSwitchRunAtStartup.IsOn = true;
+                }
+            }
+            catch { }
+            SymbolIconResetSuggestionComplete.Visibility = Visibility.Visible;
+            new Thread(new ThreadStart(() => {
+                Thread.Sleep(5000);
+                Application.Current.Dispatcher.Invoke(() =>
+                {
+                    SymbolIconResetSuggestionComplete.Visibility = Visibility.Collapsed;
+                });
+            })).Start();
+        }
+
+        private void BtnResetToDefault_Click(object sender, RoutedEventArgs e)
+        {
+            try
+            {
+                isLoaded = false;
+                File.Delete("settings.json");
+                Settings = new Settings();
+                LoadSettings(false);
+                isLoaded = true;
+            }
+            catch { }
+            SymbolIconResetDefaultComplete.Visibility = Visibility.Visible;
+            new Thread(new ThreadStart(() => {
+                Thread.Sleep(5000);
+                Application.Current.Dispatcher.Invoke(() =>
+                {
+                    SymbolIconResetDefaultComplete.Visibility = Visibility.Collapsed;
+                });
+            })).Start();
+        }
     }
 
     enum HotkeyModifiers
diff --git a/Ink Canvas/Settings.cs b/Ink Canvas/Settings.cs
index b3eba69..d9bb62a 100644
--- a/Ink Canvas/Settings.cs	
+++ b/Ink Canvas/Settings.cs	
@@ -62,9 +62,9 @@ namespace Ink_Canvas
         [JsonProperty("isShowEraserButton")]
         public bool IsShowEraserButton { get; set; } = true;
         [JsonProperty("isShowHideControlButton")]
-        public bool IsShowHideControlButton { get; set; } = true;
+        public bool IsShowHideControlButton { get; set; } = false;
         [JsonProperty("isShowLRSwitchButton")]
-        public bool IsShowLRSwitchButton { get; set; } = true;
+        public bool IsShowLRSwitchButton { get; set; } = false;
         [JsonProperty("isShowModeFingerToggleSwitch")]
         public bool IsShowModeFingerToggleSwitch { get; set; } = true;
     }