diff --git a/Footwear Test methodsfor wholeshoe Slipresistanceperformance/ViewModels/MainWindowViewModel.cs b/Footwear Test methodsfor wholeshoe Slipresistanceperformance/ViewModels/MainWindowViewModel.cs
index 46633e7..fe7d395 100644
--- a/Footwear Test methodsfor wholeshoe Slipresistanceperformance/ViewModels/MainWindowViewModel.cs	
+++ b/Footwear Test methodsfor wholeshoe Slipresistanceperformance/ViewModels/MainWindowViewModel.cs	
@@ -42,6 +42,7 @@ namespace Footwear_Test_methodsfor_wholeshoe_Slipresistanceperformance.ViewModel
         private const string LegacyPlcPortName = "COM7";
         private const string LegacyAdcPortName = "COM8";
         private static readonly TimeSpan ResetButtonPendingTimeout = TimeSpan.FromMilliseconds(800);
+        private static readonly TimeSpan TestButtonPendingTimeout = TimeSpan.FromSeconds(5);
         private static readonly TimeSpan RealtimeCurveTraceInterval = TimeSpan.FromSeconds(1);
 
         private readonly SlipResistanceDeviceService deviceService = new();
@@ -56,6 +57,8 @@ namespace Footwear_Test_methodsfor_wholeshoe_Slipresistanceperformance.ViewModel
 
         private bool isLoadingDeviceSettings;
         private bool wasRunning;
+        private bool isTestStartPending;
+        private DateTime testStartPendingStartedAt = DateTime.MinValue;
         private bool isResetButtonPending;
         private bool hasObservedResetDeviceBusy;
         private DateTime resetButtonPendingStartedAt = DateTime.MinValue;
@@ -165,6 +168,9 @@ namespace Footwear_Test_methodsfor_wholeshoe_Slipresistanceperformance.ViewModel
         [ObservableProperty]
         private string testButtonText = "测试";
 
+        [ObservableProperty]
+        private bool isTestButtonEnabled = true;
+
         [ObservableProperty]
         private string resetButtonText = "复位";
 
@@ -319,11 +325,15 @@ namespace Footwear_Test_methodsfor_wholeshoe_Slipresistanceperformance.ViewModel
         [RelayCommand]
         private async Task StartTest()
         {
+            if (!IsTestButtonEnabled)
+            {
+                return;
+            }
+
             ApplyConnectionSettings();
             var device = deviceService.CurrentSnapshot;
             if (device.IsTestRunning)
             {
-                await RunDeviceCommand(deviceService.PulseStopTestAsync(), "已按老代码逻辑发送停止指令 M83");
                 return;
             }
 
@@ -332,7 +342,19 @@ namespace Footwear_Test_methodsfor_wholeshoe_Slipresistanceperformance.ViewModel
                 return;
             }
 
-            await RunDeviceCommand(deviceService.PulseStartTestAsync(), "已按老代码逻辑发送测试启动指令 M80，等待 M81 运行状态");
+            BeginTestButtonFeedback();
+            try
+            {
+                await deviceService.PulseStartTestAsync();
+                CurrentStatus = "已按老代码逻辑发送测试启动指令 M80，等待 M81 运行状态";
+            }
+            catch (Exception ex)
+            {
+                Log.Error(ex, "设备指令失败：已按老代码逻辑发送测试启动指令 M80");
+                CurrentStatus = $"设备指令失败：{ex.Message}";
+                ClearTestButtonFeedback();
+                UpdateTestButtonState(deviceService.CurrentSnapshot);
+            }
         }
 
         [RelayCommand]
@@ -608,7 +630,6 @@ namespace Footwear_Test_methodsfor_wholeshoe_Slipresistanceperformance.ViewModel
             if (device.IsConnected)
             {
                 DeviceStatus = device.IsTestRunning ? "联机 / 测试中" : device.IsResetting ? "联机 / 复位中" : "联机 / 待机";
-                TestButtonText = device.IsTestRunning ? "停止" : "测试";
                 UpdateResetButtonText(device);
                 VerticalPressure = device.VerticalLoadN.ToString("F1", CultureInfo.InvariantCulture);
                 HorizontalForce = device.HorizontalFrictionN.ToString("F1", CultureInfo.InvariantCulture);
@@ -619,7 +640,6 @@ namespace Footwear_Test_methodsfor_wholeshoe_Slipresistanceperformance.ViewModel
             else
             {
                 DeviceStatus = IsAdcCalibrationError(device.LastError) ? "数据无效" : "离线";
-                TestButtonText = device.IsTestRunning ? "停止" : "测试";
                 UpdateResetButtonText(device);
                 VerticalPressure = "--";
                 HorizontalForce = "--";
@@ -628,6 +648,8 @@ namespace Footwear_Test_methodsfor_wholeshoe_Slipresistanceperformance.ViewModel
                 ActualLoadText = "-- N";
             }
 
+            UpdateTestButtonState(device);
+
             if (!device.IsConnected && !string.IsNullOrWhiteSpace(device.LastError))
             {
                 CurrentStatus = IsAdcCalibrationError(device.LastError)
@@ -661,6 +683,43 @@ namespace Footwear_Test_methodsfor_wholeshoe_Slipresistanceperformance.ViewModel
             wasRunning = isRecording;
         }
 
+        private void BeginTestButtonFeedback()
+        {
+            isTestStartPending = true;
+            testStartPendingStartedAt = DateTime.UtcNow;
+            TestButtonText = "测试中";
+            IsTestButtonEnabled = false;
+        }
+
+        private void ClearTestButtonFeedback()
+        {
+            isTestStartPending = false;
+            testStartPendingStartedAt = DateTime.MinValue;
+        }
+
+        private void UpdateTestButtonState(SlipDeviceSnapshot device)
+        {
+            if (device.IsTestRunning)
+            {
+                ClearTestButtonFeedback();
+                TestButtonText = "测试中";
+                IsTestButtonEnabled = false;
+                return;
+            }
+
+            if (isTestStartPending
+                && DateTime.UtcNow - testStartPendingStartedAt < TestButtonPendingTimeout)
+            {
+                TestButtonText = "测试中";
+                IsTestButtonEnabled = false;
+                return;
+            }
+
+            ClearTestButtonFeedback();
+            TestButtonText = "测试";
+            IsTestButtonEnabled = true;
+        }
+
         private void BeginResetButtonFeedback()
         {
             isResetButtonPending = true;
diff --git a/Footwear Test methodsfor wholeshoe Slipresistanceperformance/Views/MainWindow.axaml b/Footwear Test methodsfor wholeshoe Slipresistanceperformance/Views/MainWindow.axaml
index 57d4257..ec45bed 100644
--- a/Footwear Test methodsfor wholeshoe Slipresistanceperformance/Views/MainWindow.axaml	
+++ b/Footwear Test methodsfor wholeshoe Slipresistanceperformance/Views/MainWindow.axaml	
@@ -357,6 +357,7 @@
                                     Command="{Binding ClearCommand}"/>
                             <Button Content="{Binding TestButtonText}"
                                     Classes="success side-action"
+                                    IsEnabled="{Binding IsTestButtonEnabled}"
                                     Command="{Binding StartTestCommand}"/>
                             <Button Content="停止"
                                     Classes="danger side-action"