diff --git a/v2rayN/v2rayN/ViewModels/MainWindowViewModel.cs b/v2rayN/v2rayN/ViewModels/MainWindowViewModel.cs
index 51445289..5ef5ecd4 100644
--- a/v2rayN/v2rayN/ViewModels/MainWindowViewModel.cs
+++ b/v2rayN/v2rayN/ViewModels/MainWindowViewModel.cs
@@ -563,8 +563,8 @@ namespace v2rayN.ViewModels
                     {
                         return;
                     }
-                    SpeedProxyDisplay = string.Format("{0}:{1}/s¡ü | {2}/s¡ý", Global.agentTag, Utils.HumanFy(update.proxyUp), Utils.HumanFy(update.proxyDown));
-                    SpeedDirectDisplay = string.Format("{0}:{1}/s¡ü | {2}/s¡ý", Global.directTag, Utils.HumanFy(update.directUp), Utils.HumanFy(update.directDown));
+                    SpeedProxyDisplay = string.Format("{0}:{1}/s�� | {2}/s��", Global.agentTag, Utils.HumanFy(update.proxyUp), Utils.HumanFy(update.proxyDown));
+                    SpeedDirectDisplay = string.Format("{0}:{1}/s�� | {2}/s��", Global.directTag, Utils.HumanFy(update.directUp), Utils.HumanFy(update.directDown));
 
                     if (update.proxyUp + update.proxyDown > 0)
                     {
@@ -1068,10 +1068,7 @@ namespace v2rayN.ViewModels
                 return;
             }
 
-            if (!_dicHeaderSort.ContainsKey(colName))
-            {
-                _dicHeaderSort.Add(colName, true);
-            }
+            _dicHeaderSort.TryAdd(colName, true);
             _dicHeaderSort.TryGetValue(colName, out bool asc);
             if (ConfigHandler.SortServers(ref _config, _subId, colName, asc) != 0)
             {
diff --git a/v2rayN/v2rayN/Views/MainWindow.xaml b/v2rayN/v2rayN/Views/MainWindow.xaml
index 4cd9fa83..b19292ab 100644
--- a/v2rayN/v2rayN/Views/MainWindow.xaml
+++ b/v2rayN/v2rayN/Views/MainWindow.xaml
@@ -615,19 +615,18 @@
                             <Style BasedOn="{StaticResource MaterialDesignDataGridColumnHeader}" TargetType="DataGridColumnHeader">
                                 <EventSetter Event="Click" Handler="LstProfiles_ColumnHeader_Click" />
                             </Style>
+                            
+                            <Style TargetType="DataGridCell" BasedOn="{StaticResource MaterialDesignDataGridCell}">
+                                <Style.Triggers>
+                                    <DataTrigger Binding="{Binding isActive}" Value="True">
+                                        <Setter Property="Background" Value="{DynamicResource PrimaryHueLightBrush}"/>
+                                        <Setter Property="Foreground" Value="Black"></Setter>
+                                    </DataTrigger>
+                                </Style.Triggers>
+                            </Style>
+                            
                         </DataGrid.Resources>
                         <DataGrid.Columns>
-                            <DataGridTemplateColumn Width="40">
-                                <DataGridTemplateColumn.CellTemplate>
-                                    <DataTemplate>
-                                        <Border
-                                            Width="auto"
-                                            Height="auto"
-                                            Background="{DynamicResource PrimaryHueLightBrush}"
-                                            Visibility="{Binding Path=isActive, Converter={StaticResource BoolToVisConverter}}" />
-                                    </DataTemplate>
-                                </DataGridTemplateColumn.CellTemplate>
-                            </DataGridTemplateColumn>
 
                             <base:MyDGTextColumn
                                 Width="80"