diff --git a/SettingModule/ViewModels/Dialogs/TCPConfigViewModel.cs b/SettingModule/ViewModels/Dialogs/TCPConfigViewModel.cs
index 4ecd64c..0a7f13c 100644
--- a/SettingModule/ViewModels/Dialogs/TCPConfigViewModel.cs
+++ b/SettingModule/ViewModels/Dialogs/TCPConfigViewModel.cs
@@ -8,14 +8,14 @@ using UIShare.ViewModelBase;
 namespace SettingModule.ViewModels.Dialogs
 {
     /// <summary>
-    /// TCP 连接配置对话框 VM。
+    /// Tcp 连接配置对话框 VM。
     /// 通过 DialogParameters 接收宿主 DeviceInfoVM；保存时把副本写回宿主。
     /// </summary>
     public class TCPConfigViewModel : DialogViewModelBase
     {
         #region 属性
 
-        private string _title = "TCP 连接配置";
+        private string _title = "Tcp 连接配置";
         public string Title
         {
             get => _title;
@@ -105,7 +105,7 @@ namespace SettingModule.ViewModels.Dialogs
             {
                 _hostDevice.TcpConfig ??= new TcpConfigVM();
                 Config.CopyTo(_hostDevice.TcpConfig);
-                _hostDevice.ConnectionType = "TCP";
+                _hostDevice.ConnectionType = "Tcp";
             }
 
             RequestClose.Invoke(ButtonResult.OK);
@@ -121,7 +121,7 @@ namespace SettingModule.ViewModels.Dialogs
             if (parameters.ContainsKey("Device"))
             {
                 _hostDevice = parameters.GetValue<DeviceInfoVM>("Device");
-                Title = $"TCP 连接配置 - {_hostDevice?.DeviceName}";
+                Title = $"Tcp 连接配置 - {_hostDevice?.DeviceName}";
                 Config = new TcpConfigVM(_hostDevice?.TcpConfig);
             }
             else if (parameters.ContainsKey("Config"))
diff --git a/SettingModule/ViewModels/SettingViewModel.cs b/SettingModule/ViewModels/SettingViewModel.cs
index c980c24..2e996be 100644
--- a/SettingModule/ViewModels/SettingViewModel.cs
+++ b/SettingModule/ViewModels/SettingViewModel.cs
@@ -145,7 +145,7 @@ namespace SettingModule.ViewModels
        
 
         /// <summary>
-        /// 打开"连接配置"对话框。按 SelectedDevice.ConnectionType 决定开 TCP 还是串口对话框。
+        /// 打开"连接配置"对话框。按 SelectedDevice.ConnectionType 决定开 Tcp 还是串口对话框。
         /// </summary>
         private void OnOpenConnectionConfig()
         {
@@ -164,7 +164,7 @@ namespace SettingModule.ViewModels
 
             if (string.IsNullOrEmpty(dialogName))
             {
-                StatusMessage = "当前设备未配置连接方式（请先选择 TCP 或 Serial）";
+                StatusMessage = "当前设备未配置连接方式（请先选择 Tcp 或 Serial）";
                 return;
             }
 
diff --git a/SettingModule/Views/SettingView.xaml b/SettingModule/Views/SettingView.xaml
index a0e3c18..9b5f5cb 100644
--- a/SettingModule/Views/SettingView.xaml
+++ b/SettingModule/Views/SettingView.xaml
@@ -310,20 +310,20 @@
                                                     <ComboBox  materialDesign:HintAssist.Hint="" Grid.Row="0" Grid.Column="1"
                                                               Margin="0,4"
                                                               ItemsSource="{Binding ConnectionTypes}"
-                                                              SelectedItem="{Binding SelectedDevice.ConnectionType}"/>
+                                                              SelectedItem="{Binding SelectedDevice.ConnectionType,Mode=TwoWay}"/>
                                                     <Button Grid.Row="0" Grid.Column="2"
                                                             Content="配置..."
                                                             Margin="8,4,0,4" Padding="14,2"
                                                             Command="{Binding OpenConnectionConfigCommand}"/>
 
-                                                    <!-- TCP 参数预览 -->
+                                                    <!-- Tcp 参数预览 -->
                                                     <StackPanel Grid.Row="1" Grid.Column="1" Grid.ColumnSpan="2"
                                                                 Margin="0,4,0,0" Orientation="Horizontal">
                                                         <StackPanel.Style>
                                                             <Style TargetType="StackPanel">
                                                                 <Setter Property="Visibility" Value="Collapsed"/>
                                                                 <Style.Triggers>
-                                                                    <DataTrigger Binding="{Binding SelectedDevice.ConnectionType}" Value="TCP">
+                                                                    <DataTrigger Binding="{Binding SelectedDevice.ConnectionType}" Value="Tcp">
                                                                         <Setter Property="Visibility" Value="Visible"/>
                                                                     </DataTrigger>
                                                                 </Style.Triggers>
@@ -414,7 +414,6 @@
                                                VerticalAlignment="Center"
                                                FontWeight="Bold"/>
                                     <StackPanel Grid.Column="1" Orientation="Horizontal">
-                                        <Button Content="重置" Command="{Binding ResetCommand}" Padding="12,4"/>
                                         <Button Content="保存" Command="{Binding SaveCommand}" Padding="12,4" Margin="6,0,0,0"/>
                                     </StackPanel>
                                 </Grid>
diff --git a/UIShare/UIViewModel/DeviceInfoVM.cs b/UIShare/UIViewModel/DeviceInfoVM.cs
index 5a7b16c..d3c03e8 100644
--- a/UIShare/UIViewModel/DeviceInfoVM.cs
+++ b/UIShare/UIViewModel/DeviceInfoVM.cs
@@ -43,7 +43,7 @@ namespace UIShare.UIViewModel
         /// 连接方式："None" / "TCP" / "Serial"。
         /// 用于决定 SettingView 上"配置..."按钮打开哪一个对话框。
         /// </summary>
-        private string _connectionType = "None";
+        private string _connectionType ;
         public string ConnectionType
         {
             get => _connectionType;