diff --git a/MainWindow.xaml b/MainWindow.xaml
index 3d93ea9..a6350b9 100644
--- a/MainWindow.xaml
+++ b/MainWindow.xaml
@@ -15,6 +15,7 @@
             <MenuItem Header="{StaticResource menu_reset_positions}" Click="TM_ResetPos_Click"/>
             <MenuItem Header="{StaticResource menu_exit}" Click="TM_Exit_Click"/>
         </ContextMenu>
+        <local:MarkerPaddingConverter x:Key="MarkerPaddingConverter"/>
     </Window.Resources>
     <Grid>
         <Rectangle x:Name="Rec_BG" Fill="#FFFFF7C5" Margin="10" RadiusX="12" RadiusY="12"
@@ -33,8 +34,10 @@
                 <SolidColorBrush x:Key="{x:Static SystemColors.InactiveSelectionHighlightBrushKey}" Color="{StaticResource {x:Static SystemColors.HighlightColorKey}}"/>
                 <Style TargetType="{x:Type List}">
                     <Setter Property="Margin" Value="0"/>
-                    <Setter Property="Padding" Value="16,0,0,0"/>
-                    <Setter Property="MarkerOffset" Value="10"/>
+                    <!--marker padding according to the type of the marker
+                    if the marker is not a fixed length character, give more space to the marker-->
+                    <Setter Property="Padding" Value="{Binding RelativeSource={RelativeSource AncestorType=RichTextBox}, Path=FontSize, Mode=OneWay, Converter={StaticResource MarkerPaddingConverter}}"/>
+                    <!--<Setter Property="MarkerOffset" Value="{Binding RelativeSource={RelativeSource AncestorType=RichTextBox}, Path=FontSize, Mode=OneWay, Converter={StaticResource BulletLocationConverter}}"/>-->
                 </Style>
                 <Style TargetType="{x:Type Paragraph}">
                     <Setter Property="Margin" Value="0"/>
diff --git a/MainWindow.xaml.cs b/MainWindow.xaml.cs
index e11a14a..998b23f 100644
--- a/MainWindow.xaml.cs
+++ b/MainWindow.xaml.cs
@@ -1,5 +1,6 @@
 using Hardcodet.Wpf.TaskbarNotification;
 using System;
+using System.Globalization;
 //using System.Collections.Generic;
 //using System.Linq;
 //using System.Text;
@@ -7,6 +8,7 @@
 using System.Threading;
 using System.Windows;
 using System.Windows.Controls;
+using System.Windows.Data;
 using System.Windows.Documents;
 using System.Windows.Input;
 using System.Windows.Media;
@@ -14,6 +16,20 @@
 
 namespace DesktopNote
 {
+    public class MarkerPaddingConverter : IValueConverter
+    {
+        public object Convert(object value, Type targetType, object parameter, CultureInfo culture)
+        {
+            return new Thickness((double)value * 3, 0d, 0d, 0d);
+        }
+
+        public object ConvertBack(object value, Type targetType, object parameter, CultureInfo culture)
+        {
+            throw new NotImplementedException();
+        }
+    }
+
+
     public partial class MainWindow : Window
     {
         public Setting CurrentSetting;
@@ -267,7 +283,6 @@ private void RTB_Main_PreviewMouseDown(object sender, MouseButtonEventArgs e)
                 App.FormatWindow.FadeOut();
             }
         }
-
         #endregion
 
         #region Rect Events
@@ -419,7 +434,7 @@ private void Win_Main_Loaded(object sender, RoutedEventArgs e)
 
             if (App.FormatWindow == null)
             {
-                App.FormatWindow = new Win_Format(this) { Tag = RTB_Main };
+                App.FormatWindow = new Win_Format(this);
                 ((Xceed.Wpf.Toolkit.ColorPicker)App.FormatWindow.CP_Font.Content).SelectedColor = CurrentSetting.FontColor;
                 ((Xceed.Wpf.Toolkit.ColorPicker)App.FormatWindow.CP_Back.Content).SelectedColor = CurrentSetting.BackColor;
 
@@ -437,21 +452,6 @@ private void Win_Main_Loaded(object sender, RoutedEventArgs e)
                     if (f.Source == CurrentSetting.Font) mi.IsSelected = true;
                 }
                 App.FormatWindow.CB_Font.Items.SortDescriptions.Add(new System.ComponentModel.SortDescription("Content", System.ComponentModel.ListSortDirection.Ascending));
-                //App.FormatWindow.CB_Font.SelectionChanged += (object s1, SelectionChangedEventArgs e1) =>
-                //{
-                //    if (App.FormatWindow.Opacity == 1 && e1.AddedItems.Count == 1)
-                //    {
-                //        var mi = (ComboBoxItem)e1.AddedItems[0];
-
-                //        if (!RTB_Main.Selection.IsEmpty) //only change selected
-                //            RTB_Main.Selection.ApplyPropertyValue(TextElement.FontFamilyProperty, mi.FontFamily);
-                //        else //change default
-                //        {
-                //            RTB_Main.FontFamily = mi.FontFamily;
-                //            CurrentSetting.Font = mi.FontFamily.Source;
-                //        }
-                //    }
-                //};
             }
 
             //loading contents
@@ -498,7 +498,6 @@ private void Win_Main_Loaded(object sender, RoutedEventArgs e)
 
             var source = PresentationSource.FromVisual(this) as System.Windows.Interop.HwndSource;
             source.AddHook(WndProc);
-
         }
        
         private IntPtr WndProc(IntPtr hwnd, int msg, IntPtr wParam, IntPtr lParam, ref bool handled)
diff --git a/Setting.cs b/Setting.cs
index 23fcece..31100d5 100644
--- a/Setting.cs
+++ b/Setting.cs
@@ -141,7 +141,7 @@ public void Save()
         }
 
         /// <summary>
-        /// Reset the setting for specified index. Leave default to reset current.
+        /// Reset the setting for specified index. Leave setidx default to reset current.
         /// </summary>
         public void Reset(int setidx = -1)
         {
diff --git a/Win_Format.xaml b/Win_Format.xaml
index 3bc12ec..98f1fb3 100644
--- a/Win_Format.xaml
+++ b/Win_Format.xaml
@@ -32,7 +32,7 @@
                 <Setter Property="VerticalAlignment" Value="Center"/>
                 <Setter Property="Margin" Value="2"/>
                 <Setter Property="Background" Value="#FFEAEAEA"/>
-                <Setter Property="CommandTarget" Value="{Binding Tag, ElementName=FB1}"/>
+                <Setter Property="CommandTarget" Value="{Binding RTB_Main, ElementName=FB1, Mode=OneWay}"/>
             </Style>
             <Style TargetType="ContentPresenter">
                 <Setter Property="HorizontalAlignment" Value="Center"/>
diff --git a/Win_Format.xaml.cs b/Win_Format.xaml.cs
index 3c5adaf..b0cf35f 100644
--- a/Win_Format.xaml.cs
+++ b/Win_Format.xaml.cs
@@ -21,7 +21,16 @@ namespace DesktopNote
     public partial class Win_Format : RoundedWindow
     {
         public MainWindow MainWin;
-        public RichTextBox RTB_Main;
+        //public RichTextBox RTB_Main;
+
+        public RichTextBox RTB_Main
+        {
+            get { return (RichTextBox)GetValue(RTB_MainProperty); }
+            set { SetValue(RTB_MainProperty, value); }
+        }
+        public static readonly DependencyProperty RTB_MainProperty =
+            DependencyProperty.Register("RTB_Main", typeof(RichTextBox), typeof(Win_Format), new PropertyMetadata(null));
+
 
         public Win_Format(MainWindow mainwin)
         {
@@ -288,7 +297,6 @@ private void Button_Close_Click(object sender, RoutedEventArgs e)
                         set.Doc_Location[MainWin.CurrentSetting.SettingIndex] = "";//mark setting item to be removed after restart
                         set.Save();
                         App.MainWindows.Remove(MainWin);
-                        //App.MainWindows[MainWin.CurrentSetting.SettingIndex] = null;
                         MainWin.Close();
                         FadeOut();
                         break;
@@ -296,7 +304,6 @@ private void Button_Close_Click(object sender, RoutedEventArgs e)
                         set.Doc_Location[MainWin.CurrentSetting.SettingIndex] = "";//mark setting item to be removed after restart
                         set.Save();
                         App.MainWindows.Remove(MainWin);
-                        //App.MainWindows[MainWin.CurrentSetting.SettingIndex] = null;
                         MainWin.Close();
                         FadeOut();
                         break;
diff --git a/Win_Options.xaml.cs b/Win_Options.xaml.cs
index ee0b756..d2e5926 100644
--- a/Win_Options.xaml.cs
+++ b/Win_Options.xaml.cs
@@ -74,8 +74,9 @@ private void Button_ResetSet_Click(object sender, RoutedEventArgs e)
             MainWin.CurrentSetting.Save();
 
             var win = new MainWindow(MainWin.CurrentSetting.SettingIndex);
-            App.MainWindows[MainWin.CurrentSetting.SettingIndex] = win;
+            App.MainWindows.Remove(MainWin);
             MainWin.Close();
+            App.MainWindows.Add(win);
             win.Show();
 
             FadeOut(true);
diff --git a/bin/Release/DesktopNote.exe b/bin/Release/DesktopNote.exe
index 2bca6fb..7377ee6 100644
Binary files a/bin/Release/DesktopNote.exe and b/bin/Release/DesktopNote.exe differ