diff --git a/MainModule/ViewModels/AutomatedTestingViewModel.cs b/MainModule/ViewModels/AutomatedTestingViewModel.cs
index ff215fc..9acdc20 100644
--- a/MainModule/ViewModels/AutomatedTestingViewModel.cs
+++ b/MainModule/ViewModels/AutomatedTestingViewModel.cs
@@ -1,5 +1,7 @@
 using System;
 using System.IO;
+using System.Linq;
+using System.Threading;
 using System.Windows.Input;
 using DeviceCommand.Devices;
 using Logger;
@@ -20,6 +22,8 @@ namespace MainModule.ViewModels
         private string _testStatus;
         private readonly IScopedProvider _scope;
         private bool IsInitialized =false;
+        private bool _isRunningErrorSteps = false;
+        private SubscriptionToken? _alarmToken;
         #endregion
 
         #region 属性
@@ -80,6 +84,7 @@ namespace MainModule.ViewModels
             BackToProtocolCommand = new DelegateCommand(OnBackToProtocol);
             LoadedCommand = new AsyncDelegateCommand(OnLoad);
             _eventAggregator.GetEvent<SilenceBuzzerEvent>().Subscribe(async (scope) => await SilenceBuzzer(scope));
+            _alarmToken = _eventAggregator.GetEvent<AlarmEvent>().Subscribe(OnAlarmTriggered);
         }
 
         private async Task SilenceBuzzer(string scope)
@@ -104,6 +109,56 @@ namespace MainModule.ViewModels
             }
         }
 
+        /// <summary>
+        /// AlarmEvent 回调：
+        ///   上下限 → 蜂鸣器报警 true
+        ///   上下极限 → 蜂鸣器报警 true + 执行对应 scope 的异常流程
+        /// </summary>
+        private async void OnAlarmTriggered((string Scope, string Fingerprint, string Status) args)
+        {
+            if (args.Scope != TestStatus) return;
+            if (_deviceManager?.IOGroup == null) return;
+
+            int 台架号 = _systemConfig.SharedParameterList
+                .FirstOrDefault(x => x.ParameterName == "台架序号")?.Value ?? 0;
+            if (台架号 < 1 || 台架号 > 8) return;
+
+            // 上下限 / 上下极限 均触发蜂鸣器报警
+            await _deviceManager.IOGroup.执行台架动作Async(台架号, 功能动作.蜂鸣器报警, true);
+            LoggerHelper.WarnWithNotify(args.Scope, $"[{args.Scope}] 报警触发: {args.Status} ({args.Fingerprint})，蜂鸣器已开启。");
+
+            // 上下极限额外触发异常流程
+            if (args.Status == "超上极限" || args.Status == "超下极限")
+            {
+                _ = TriggerErrorStepsAsync();
+            }
+        }
+
+        /// <summary>
+        /// 执行异常流程（带并发保护，同一时间仅允许一次）
+        /// </summary>
+        private async Task TriggerErrorStepsAsync()
+        {
+            if (_isRunningErrorSteps) return;
+            _isRunningErrorSteps = true;
+            try
+            {
+                await _stepRunning.ExecuteErrorSteps(
+                    _scopedContext.Program,
+                    cancellationToken: _stepRunning.errorStepCTS.Token);
+            }
+            catch (Exception ex)
+            {
+                LoggerHelper.ErrorWithNotify(TestStatus, $"[{TestStatus}] 报警触发异常流程失败: {ex.Message}");
+            }
+            finally
+            {
+                _isRunningErrorSteps = false;
+                if (_stepRunning.errorStepCTS.IsCancellationRequested)
+                    _stepRunning.errorStepCTS = new CancellationTokenSource();
+            }
+        }
+
         public void Dispose()
         {
             // 1. 如果 TestStatus 为空，说明还没走到 OnNavigatedTo 赋值，直接释放 scope 即可
@@ -115,6 +170,8 @@ namespace MainModule.ViewModels
 
             try
             {
+                if (_alarmToken != null)
+                    _eventAggregator.GetEvent<AlarmEvent>().Unsubscribe(_alarmToken);
                 _eventAggregator.GetEvent<SilenceBuzzerEvent>().Unsubscribe(async (scope) => await SilenceBuzzer(scope));
                 // 2. 显式释放硬件资源（防止端口占用/死锁）
                 if (_deviceManager is IDisposable disposableDevice)
diff --git a/UIShare/GlobalVariable/CANSignalBroadcaster.cs b/UIShare/GlobalVariable/CANSignalBroadcaster.cs
index d6e4049..67f70a0 100644
--- a/UIShare/GlobalVariable/CANSignalBroadcaster.cs
+++ b/UIShare/GlobalVariable/CANSignalBroadcaster.cs
@@ -96,10 +96,10 @@ namespace UIShare.GlobalVariable
                         Time = now
                     });
 
-                    string MonitorSatus = ValueLimitAlarmHelper.CheckAlarm(scope, signalFingerprint, methodName, physicalValue, _globalInfo);
-                    if(MonitorSatus!=""|| MonitorSatus != "未报警")
+                    string MonitorStatus = ValueLimitAlarmHelper.CheckAlarm(scope, signalFingerprint, methodName, physicalValue, _globalInfo);
+                    if (MonitorStatus != "" && MonitorStatus != "未报警")
                     {
-                        //_eventAggregator.GetEvent<AlarmEvent>().Publish(canFingerprint, MonitorSatus);
+                        _eventAggregator.GetEvent<AlarmEvent>().Publish((scope,canFingerprint, MonitorStatus));
                     }
                 }
             }
diff --git a/UIShare/GlobalVariable/HardwareDataBroadcaster.cs b/UIShare/GlobalVariable/HardwareDataBroadcaster.cs
index 3b2ce2e..a5e0fbf 100644
--- a/UIShare/GlobalVariable/HardwareDataBroadcaster.cs
+++ b/UIShare/GlobalVariable/HardwareDataBroadcaster.cs
@@ -181,10 +181,10 @@ namespace UIShare.GlobalVariable
                             });
 
                             // 同步检查该作用域 ValueLimitList 是否超限
-                            string MonitorSatus= ValueLimitAlarmHelper.CheckAlarm(scope, entry.Fingerprint, entry.MethodName, value, _globalInfo);
-                            if (MonitorSatus != "" || MonitorSatus != "未报警")
+                            string MonitorStatus= ValueLimitAlarmHelper.CheckAlarm(scope, entry.Fingerprint, entry.MethodName, value, _globalInfo);
+                            if (MonitorStatus != "" && MonitorStatus != "未报警")
                             {
-                               // _eventAggregator.GetEvent<AlarmEvent>().Publish(entry.Fingerprint, MonitorSatus);
+                                 _eventAggregator.GetEvent<AlarmEvent>().Publish((scope,entry.Fingerprint, MonitorStatus));
                             }
                         }
                     }
diff --git a/UIShare/PubEvent/AlarmEvent.cs b/UIShare/PubEvent/AlarmEvent.cs
index 657bb7c..817e8fc 100644
--- a/UIShare/PubEvent/AlarmEvent.cs
+++ b/UIShare/PubEvent/AlarmEvent.cs
@@ -6,7 +6,7 @@ using System.Threading.Tasks;
 
 namespace UIShare.PubEvent
 {
-    public class AlarmEvent :PubSubEvent<Tuple<string,string>>
+    public class AlarmEvent : PubSubEvent<(string Scope, string Fingerprint, string Status)>
     {
     }
 }