添加了NLog日志，并且配置了写入数据库，修改了Notification通知不使用依赖注入，而是使用Message的方式

Views/MainView.xaml

@@ -53,6 +53,16 @@
                         <ui:FontIcon Icon="{x:Static ui:SegoeFluentIcons.Switch}" />
                     </ui:NavigationViewItem.Icon>
                 </ui:NavigationViewItem>
+                <ui:NavigationViewItem Tag="Setting" Content="设置">
+                    <ui:NavigationViewItem.Icon>
+                        <ui:FontIcon Icon="{x:Static ui:SegoeFluentIcons.Settings}" />
+                    </ui:NavigationViewItem.Icon>
+                </ui:NavigationViewItem>
+                <ui:NavigationViewItem Content="关于">
+                    <ui:NavigationViewItem.Icon>
+                        <ui:FontIcon Icon="{x:Static ui:SegoeFluentIcons.Info}" />
+                    </ui:NavigationViewItem.Icon>
+                </ui:NavigationViewItem>
                
             </ui:NavigationView.MenuItems>
 
@@ -65,25 +75,7 @@
             </ui:NavigationView.AutoSuggestBox>
 
 
-            <ui:NavigationView.PaneFooter>
 
-                <StackPanel
-                    x:Name="FooterStackPanel"
-                    Margin="0"
-                    Orientation="Vertical"
-                    Visibility="Visible">
-                    <ui:NavigationViewItem Content="设置">
-                        <ui:NavigationViewItem.Icon>
-                            <ui:FontIcon Icon="{x:Static ui:SegoeFluentIcons.Settings}" />
-                        </ui:NavigationViewItem.Icon>
-                    </ui:NavigationViewItem>
-                    <ui:NavigationViewItem Content="关于">
-                        <ui:NavigationViewItem.Icon>
-                            <ui:FontIcon Icon="{x:Static ui:SegoeFluentIcons.Info}" />
-                        </ui:NavigationViewItem.Icon>
-                    </ui:NavigationViewItem>
-                </StackPanel>
-            </ui:NavigationView.PaneFooter>
             <Grid>
                 
                 <ContentControl Content="{Binding CurrentViewModel}">
@@ -97,6 +89,9 @@
                         <DataTemplate DataType="{x:Type vm:DataTransformViewModel}">
                             <local:DataTransformView/>
                         </DataTemplate>
+                        <DataTemplate DataType="{x:Type vm:SettingViewModel}">
+                            <local:SettingView/>
+                        </DataTemplate>
                     </ContentControl.Resources>
                 </ContentControl>
                 

Views/MainView.xaml.cs

@@ -1,6 +1,9 @@
 using System.Windows;
 using CommunityToolkit.Mvvm.ComponentModel;
+using CommunityToolkit.Mvvm.Messaging;
 using iNKORE.UI.WPF.Modern.Controls;
+using Microsoft.Extensions.Logging;
+using PMSWPF.Message;
 using PMSWPF.ViewModels;
 
 namespace PMSWPF.Views
@@ -10,14 +13,24 @@ namespace PMSWPF.Views
     /// </summary>
     public partial class MainView : Window
     {
+        private readonly ILogger<MainView> _logger;
 
-        public MainView()
+        public MainView(MainViewModel viewModel, ILogger<MainView> logger)
         {
-
-            InitializeComponent();
             
+            _logger = logger;
+            InitializeComponent();
+            this.DataContext=viewModel;
+            _logger.LogInformation("主界面加载成功");
+            
+          
         }
 
+        /// <summary>
+        /// 左边菜单项被点击的事件，切换右边的视图
+        /// </summary>
+        /// <param name="sender"></param>
+        /// <param name="args"></param>
         private void NavigationView_SelectionChanged(NavigationView sender, NavigationViewSelectionChangedEventArgs args)
         {
             NavigationViewItem? item = args.SelectedItem as NavigationViewItem;
@@ -26,15 +39,24 @@ namespace PMSWPF.Views
             {
                 case "Home":
                     mainViewModel.NavgateTo<HomeViewModel>();
+                    _logger.LogInformation("导航到到主页面");
                     break;
                 case "Devices":
+                   
                     mainViewModel.NavgateTo<DevicesViewModel>();
+                    _logger.LogInformation("导航到到设备页面");
                     break;
                 case "DataTransform":
                     mainViewModel.NavgateTo<DataTransformViewModel>();
+                    _logger.LogInformation("导航到到数据转换页面");
+                    break;
+                case "Setting":
+                    mainViewModel.NavgateTo<SettingViewModel>();
+                    _logger.LogInformation("导航到到设备页面");
                     break;
                 default:
                     mainViewModel.NavgateTo<HomeViewModel>();
+                    _logger.LogInformation("没有设置Tag,默认导航到主页面。");
                     break;
                 
             }

Views/SettingView.xaml

@@ -0,0 +1,12 @@
+<UserControl x:Class="PMSWPF.Views.SettingView"
+             xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
+             xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
+             xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"
+             xmlns:d="http://schemas.microsoft.com/expression/blend/2008"
+             xmlns:local="clr-namespace:PMSWPF.Views"
+             mc:Ignorable="d"
+             d:DesignHeight="300" d:DesignWidth="300">
+    <Grid>
+        
+    </Grid>
+</UserControl>

Views/SettingView.xaml.cs

@@ -0,0 +1,11 @@
+using System.Windows.Controls;
+
+namespace PMSWPF.Views;
+
+public partial class SettingView : UserControl
+{
+    public SettingView()
+    {
+        InitializeComponent();
+    }
+}