diff --git a/.claude/settings.local.json b/.claude/settings.local.json
index c1dc819..54e6365 100644
--- a/.claude/settings.local.json
+++ b/.claude/settings.local.json
@@ -15,7 +15,8 @@
       "Bash(sed -i '' '/Console.WriteLine/d' ViewModels/Base/CrudPageViewModel.cs)",
       "Bash(sed -i '' '/Console.WriteLine/d' Views/MainWindow.axaml.cs)",
       "Bash(sed -i '' '/System.Console.WriteLine/d' ViewModels/Device/DeviceHostViewModel.cs)",
-      "Bash(sed -i '' '/System.Console.WriteLine/d' Views/Device/DeviceHostListView.axaml.cs)"
+      "Bash(sed -i '' '/System.Console.WriteLine/d' Views/Device/DeviceHostListView.axaml.cs)",
+      "Bash(git status *)"
     ]
   }
 }
diff --git a/Sln.Wcs.UI/Views/Base/EntityEditWindow.axaml b/Sln.Wcs.UI/Views/Base/EntityEditWindow.axaml
index 958dca6..5b8ce7e 100644
--- a/Sln.Wcs.UI/Views/Base/EntityEditWindow.axaml
+++ b/Sln.Wcs.UI/Views/Base/EntityEditWindow.axaml
@@ -15,12 +15,6 @@
 
     <Border Background="#0F1620" CornerRadius="10" Margin="0"
             BorderBrush="#1B3A5C" BorderThickness="1">
-        <Border.Background>
-            <LinearGradientBrush StartPoint="0%,0%" EndPoint="100%,100%">
-                <GradientStop Color="#0F1620" Offset="0" />
-                <GradientStop Color="#0C1522" Offset="1" />
-            </LinearGradientBrush>
-        </Border.Background>
 
         <Grid RowDefinitions="Auto,*,Auto" Margin="0">
             <!-- Title Bar -->
diff --git a/Sln.Wcs.UI/Views/MainWindow.axaml b/Sln.Wcs.UI/Views/MainWindow.axaml
index 46d209b..9d4f996 100644
--- a/Sln.Wcs.UI/Views/MainWindow.axaml
+++ b/Sln.Wcs.UI/Views/MainWindow.axaml
@@ -10,7 +10,7 @@
         Background="#0A0E14"
         Foreground="#BCC8D6">
 
-    <Grid RowDefinitions="Auto,Auto,*">
+    <Grid RowDefinitions="Auto,Auto,*,Auto">
 
         <!-- Title Bar -->
         <Border Grid.Row="0" Padding="16,8" Background="#0A0E14" BorderBrush="#1A2F4A" BorderThickness="0,0,0,1">
@@ -68,5 +68,49 @@
         <!-- Content Area -->
         <Border Grid.Row="2" x:Name="ContentArea" />
 
+        <!-- System Status Bar -->
+        <Border Grid.Row="3" Padding="16,4" Background="#0C1622" BorderBrush="#1A2F4A" BorderThickness="0,1,0,0">
+            <Grid ColumnDefinitions="Auto,Auto,Auto,Auto,Auto,Auto,*,Auto">
+                <!-- CPU -->
+                <StackPanel Grid.Column="0" Orientation="Horizontal" Spacing="4" VerticalAlignment="Center">
+                    <Ellipse x:Name="CpuStatusDot" Width="6" Height="6" Fill="#00E676" VerticalAlignment="Center" />
+                    <TextBlock Text="CPU" FontSize="11" Foreground="#6B8CB5" VerticalAlignment="Center" />
+                    <TextBlock x:Name="CpuUsageText" Text="0.0%" FontSize="11" Foreground="#BCC8D6" VerticalAlignment="Center" />
+                </StackPanel>
+
+                <Border Grid.Column="1" Width="1" Height="12" Background="#1A2F4A" Margin="10,0" VerticalAlignment="Center" />
+
+                <!-- Memory -->
+                <StackPanel Grid.Column="2" Orientation="Horizontal" Spacing="4" VerticalAlignment="Center">
+                    <Ellipse x:Name="MemStatusDot" Width="6" Height="6" Fill="#00E676" VerticalAlignment="Center" />
+                    <TextBlock Text="内存" FontSize="11" Foreground="#6B8CB5" VerticalAlignment="Center" />
+                    <TextBlock x:Name="MemUsageText" Text="0 MB" FontSize="11" Foreground="#BCC8D6" VerticalAlignment="Center" />
+                </StackPanel>
+
+                <Border Grid.Column="3" Width="1" Height="12" Background="#1A2F4A" Margin="10,0" VerticalAlignment="Center" />
+
+                <!-- Network -->
+                <StackPanel Grid.Column="4" Orientation="Horizontal" Spacing="4" VerticalAlignment="Center">
+                    <Ellipse x:Name="NetStatusDot" Width="6" Height="6" Fill="#00E676" VerticalAlignment="Center" />
+                    <TextBlock Text="网络" FontSize="11" Foreground="#6B8CB5" VerticalAlignment="Center" />
+                    <TextBlock x:Name="NetStatusText" Text="已连接" FontSize="11" Foreground="#BCC8D6" VerticalAlignment="Center" />
+                </StackPanel>
+
+                <!-- Uptime -->
+                <Border Grid.Column="5" Width="1" Height="12" Background="#1A2F4A" Margin="10,0" VerticalAlignment="Center" />
+
+                <StackPanel Grid.Column="6" Orientation="Horizontal" Spacing="4" VerticalAlignment="Center">
+                    <TextBlock Text="运行时间" FontSize="11" Foreground="#6B8CB5" VerticalAlignment="Center" />
+                    <TextBlock x:Name="UptimeText" Text="00:00:00" FontSize="11" Foreground="#BCC8D6" VerticalAlignment="Center" />
+                </StackPanel>
+
+                <!-- WCS Version -->
+                <StackPanel Grid.Column="7" Orientation="Horizontal" Spacing="12" VerticalAlignment="Center" Margin="24,0,0,0">
+                    <TextBlock Text="WCS Core" FontSize="10" Foreground="#4B6A8A" VerticalAlignment="Center" />
+                    <TextBlock Text="V1.0.0" FontSize="10" Foreground="#4FC3F7" VerticalAlignment="Center" />
+                </StackPanel>
+            </Grid>
+        </Border>
+
     </Grid>
 </Window>
diff --git a/Sln.Wcs.UI/Views/MainWindow.axaml.cs b/Sln.Wcs.UI/Views/MainWindow.axaml.cs
index f1c19d2..c9c0b3d 100644
--- a/Sln.Wcs.UI/Views/MainWindow.axaml.cs
+++ b/Sln.Wcs.UI/Views/MainWindow.axaml.cs
@@ -1,5 +1,7 @@
 using System;
 using System.Collections.Generic;
+using System.Diagnostics;
+using System.Net.NetworkInformation;
 using Avalonia;
 using Avalonia.Controls;
 using Avalonia.Controls.Primitives;
@@ -15,6 +17,10 @@ public partial class MainWindow : Window
 {
     private readonly NavigationViewModel _navVm;
     private readonly List<Popup> _openPopups = new();
+    private readonly Process _currentProcess;
+    private TimeSpan _lastCpuTime;
+    private DateTime _lastCpuCheck;
+    private readonly DateTime _startTime;
 
     public MainWindow(NavigationViewModel navigationVm)
     {
@@ -26,11 +32,19 @@ public partial class MainWindow : Window
         BuildMenu();
         _navVm.LoadDefaultPage();
 
+        _currentProcess = Process.GetCurrentProcess();
+        _lastCpuTime = _currentProcess.TotalProcessorTime;
+        _lastCpuCheck = DateTime.UtcNow;
+        _startTime = DateTime.UtcNow;
+
         // 时钟
         var timer = new System.Timers.Timer(1000);
         timer.Elapsed += (_, _) =>
             Avalonia.Threading.Dispatcher.UIThread.Post(() =>
-                ClockText.Text = DateTime.Now.ToString("yyyy-MM-dd HH:mm:ss"));
+            {
+                ClockText.Text = DateTime.Now.ToString("yyyy-MM-dd HH:mm:ss");
+                RefreshSystemStatus();
+            });
         timer.Start();
         ClockText.Text = DateTime.Now.ToString("yyyy-MM-dd HH:mm:ss");
 
@@ -38,6 +52,72 @@ public partial class MainWindow : Window
         LogoutBtn.Click += (_, _) => Close();
     }
 
+    private void RefreshSystemStatus()
+    {
+        // CPU usage
+        var now = DateTime.UtcNow;
+        var currentCpuTime = _currentProcess.TotalProcessorTime;
+        var cpuUsedMs = (currentCpuTime - _lastCpuTime).TotalMilliseconds;
+        var elapsedMs = (now - _lastCpuCheck).TotalMilliseconds;
+        _lastCpuTime = currentCpuTime;
+        _lastCpuCheck = now;
+
+        var cpuPercent = elapsedMs > 0
+            ? cpuUsedMs / elapsedMs / Environment.ProcessorCount * 100.0
+            : 0.0;
+        CpuUsageText.Text = $"{cpuPercent:F1}%";
+
+        // CPU indicator color
+        var cpuColor = cpuPercent switch
+        {
+            < 50 => "#00E676",
+            < 80 => "#FFB74D",
+            _ => "#FF5252"
+        };
+        CpuStatusDot.Fill = Brush.Parse(cpuColor);
+
+        // Memory usage
+        var memBytes = _currentProcess.WorkingSet64;
+        var memMB = memBytes / 1024.0 / 1024.0;
+        MemUsageText.Text = memMB >= 1024
+            ? $"{memMB / 1024.0:F1} GB"
+            : $"{memMB:F0} MB";
+
+        // Memory indicator color
+        var memColor = memMB switch
+        {
+            < 512 => "#00E676",
+            < 1024 => "#FFB74D",
+            _ => "#FF5252"
+        };
+        MemStatusDot.Fill = Brush.Parse(memColor);
+
+        // Network status
+        var isNetworkAvailable = NetworkInterface.GetIsNetworkAvailable();
+        var activeInterface = false;
+        if (isNetworkAvailable)
+        {
+            foreach (var ni in NetworkInterface.GetAllNetworkInterfaces())
+            {
+                if (ni.OperationalStatus == OperationalStatus.Up
+                    && ni.NetworkInterfaceType != NetworkInterfaceType.Loopback)
+                {
+                    activeInterface = true;
+                    break;
+                }
+            }
+        }
+
+        NetStatusDot.Fill = Brush.Parse(activeInterface ? "#00E676" : "#FF5252");
+        NetStatusText.Text = activeInterface ? "已连接" : "未连接";
+
+        // Uptime
+        var uptime = DateTime.UtcNow - _startTime;
+        UptimeText.Text = uptime.TotalDays >= 1
+            ? $"{(int)uptime.TotalDays}d {uptime.Hours:D2}:{uptime.Minutes:D2}:{uptime.Seconds:D2}"
+            : $"{uptime.Hours:D2}:{uptime.Minutes:D2}:{uptime.Seconds:D2}";
+    }
+
     private void BuildMenu()
     {
         MenuContainer.Children.Clear();