diff --git a/src/Models/MIssile/TerminalSensitiveSubmunition.cs b/src/Models/MIssile/TerminalSensitiveSubmunition.cs
index 8687e32..fb82b5d 100644
--- a/src/Models/MIssile/TerminalSensitiveSubmunition.cs
+++ b/src/Models/MIssile/TerminalSensitiveSubmunition.cs
@@ -78,8 +78,8 @@ namespace ActiveProtect.Models
             detectionAngle = 0;
             
             // 初始化传感器
-            infraredDetector = new InfraredDetector(Position, Orientation, 100, 30);
-            radiometer = new MillimeterWaveRadiometer(this, 3); // 毫米波辐射计，工作波段3mm
+            infraredDetector = new InfraredDetector(this, 500, 5); // 红外探测器，探测距离 500 米，视场角5度
+            radiometer = new MillimeterWaveRadiometer(this, 3, 5); // 毫米波辐射计，工作波段3mm，扫描视场角5度
             altimeter = new MillimeterWaveAltimeter(this, 1000, 0.1); // 毫米波测高仪，测量精度0.1米
             rangefinder = new LaserRangefinder(Position, Orientation, 1000, 1000);
         }
@@ -177,6 +177,11 @@ namespace ActiveProtect.Models
                 // 激活毫米波辐射计
                 radiometer.Activate();
             }
+            if(!infraredDetector.IsActive)
+            {
+                // 激活红外探测器
+                infraredDetector.Activate();
+            }
 
             Velocity = new Vector3D(0, -VerticalDescentSpeed, 0);
             GuidanceAcceleration = Vector3D.Zero;
@@ -202,7 +207,10 @@ namespace ActiveProtect.Models
                 Math.Sin(spiralAngle) * Math.Sin(ScanAngle)
             );
 
-            if (radiometer.GetSensorData() is RadiometerSensorData radiometerData && radiometerData.IsTargetDetected)
+            bool isRadiationDetected = radiometer.GetSensorData() is RadiometerSensorData radiometerData && radiometerData.IsTargetDetected;
+            bool isInfraredDetected = infraredDetector.GetSensorData() is InfraredSensorData infraredData && infraredData.IsTargetDetected;
+
+            if (isRadiationDetected || isInfraredDetected)
             {
                 double currentTime = SimulationManager.CurrentTime; 
                 if (lastDetectionTime == null)
@@ -265,14 +273,15 @@ namespace ActiveProtect.Models
         /// <summary>
         /// 检测目标
         /// </summary>
-        /// <returns>是否检测到目标</returns>
-        public bool DetectTarget()
+        /// <param name="fieldOfView">视场角</param>
+        /// <returns>在扫描方向上是否检测到目标</returns>
+        public bool DetectTarget(double fieldOfView)
         {
             Vector3D targetPosition = SimulationManager.GetEntityById(MissileProperties.TargetId).Position;
             Vector3D toTarget = (targetPosition - Position).Normalize();
             
-            // 检查目标是否在扫描线上
-            return Vector3D.DotProduct(scanDirection, toTarget) > Math.Cos(5 * Math.PI / 180); // 允许5度的误差
+            // 检查目标是否在扫描视场内
+            return Vector3D.DotProduct(scanDirection, toTarget) > Math.Cos(fieldOfView * Math.PI / 180);
         }
 
         /// <summary>
diff --git a/src/Models/Sensor/InfraredDetector.cs b/src/Models/Sensor/InfraredDetector.cs
index 686cbff..2b8e18b 100644
--- a/src/Models/Sensor/InfraredDetector.cs
+++ b/src/Models/Sensor/InfraredDetector.cs
@@ -7,6 +7,11 @@ namespace ActiveProtect.Models
     /// </summary>
     public class InfraredDetector : Sensor
     {
+        /// <summary>
+        /// 探测辐射强度阈值，单位：W/Sr
+        /// </summary>
+        private const double DetectionRadiationIntensityThreshold = 50;
+
         /// <summary>
         /// 探测范围
         /// </summary>
@@ -17,18 +22,29 @@ namespace ActiveProtect.Models
         /// </summary>
         public double FieldOfView { get; set; }
 
+        /// <summary>
+        /// 末敏弹
+        /// </summary>
+        private readonly TerminalSensitiveSubmunition submunition;
+
+        /// <summary>
+        /// 红外探测器数据
+        /// </summary>
+        private InfraredSensorData sensorData;
+
         /// <summary>
         /// 构造函数
         /// </summary>
-        /// <param name="position">探测器的位置</param>
-        /// <param name="orientation">探测器的朝向</param>
+        /// <param name="submunition">末敏弹</param>
         /// <param name="detectionRange">探测范围</param>
         /// <param name="fieldOfView">视场角</param>
-        public InfraredDetector(Vector3D position, Orientation orientation, double detectionRange, double fieldOfView)
-            : base(position, orientation)
+        public InfraredDetector(TerminalSensitiveSubmunition submunition, double detectionRange, double fieldOfView)
+            : base(submunition.Position, submunition.Orientation)
         {
             DetectionRange = detectionRange;
             FieldOfView = fieldOfView;
+            this.submunition = submunition;
+            sensorData = new InfraredSensorData();
         }
 
         /// <summary>
@@ -38,6 +54,30 @@ namespace ActiveProtect.Models
         public override void Update(double deltaTime)
         {
             // 实现红外探测器的更新逻辑
+            if (IsActive)
+            {
+                // 获取当前方向上的红外辐射强度
+                double currentDirectionRadiationIntensity = GetCurrentDirectionRadiationIntensity();
+                // 如果辐射强度大于探测阈值，则认为检测到目标
+                if (currentDirectionRadiationIntensity >= DetectionRadiationIntensityThreshold)
+                {
+                    sensorData.IsTargetDetected = true;
+                }
+                else
+                {
+                    sensorData.IsTargetDetected = false;
+                }
+            }
+        }
+
+        /// <summary>
+        /// 获取当前方向上的红外辐射强度
+        /// </summary>
+        /// <returns>当前方向上的红外辐射强度</returns>
+        private double GetCurrentDirectionRadiationIntensity()
+        {
+            // 获取当前方向上的辐射强度，如果检测到目标，则返回目标的辐射强度，否则返回0
+            return submunition.DetectTarget(FieldOfView) ? 100 : 0;
         }
 
         /// <summary>
@@ -47,7 +87,7 @@ namespace ActiveProtect.Models
         public override SensorData GetSensorData()
         {
             // 返回红外探测器的数据
-            return new InfraredSensorData();
+            return sensorData;
         }
     }
 
diff --git a/src/Models/Sensor/MillimeterWaveRadiometer.cs b/src/Models/Sensor/MillimeterWaveRadiometer.cs
index a2b5468..c611f10 100644
--- a/src/Models/Sensor/MillimeterWaveRadiometer.cs
+++ b/src/Models/Sensor/MillimeterWaveRadiometer.cs
@@ -12,6 +12,9 @@ namespace ActiveProtect.Models
         /// </summary>
         public double Wavelength { get; set; }
 
+        //扫描视场角，默认 5度
+        private double FieldOfView;
+
         /// <summary>
         /// 辐射温度差检测阈值，辐射计高温物体与低温物体的检测温差，单位K，默认 100K；
         /// 对于金属目标，与草地的典型温差为170~230K，砂石地 120~150K
@@ -20,7 +23,7 @@ namespace ActiveProtect.Models
         /// </summary>
         public double DetectionTemperatureDifferenceThreshold { get; set; } = 100;
 
-        private double lastDetectionTemperature = 0;
+        private double lastDetectionTemperature;
 
         /// <summary>
         /// 毫米波辐射计传感器数据
@@ -36,10 +39,11 @@ namespace ActiveProtect.Models
         /// <param name="orientation">辐射计的朝向</param>
         /// <param name="wavelength">工作波段</param>
         /// <param name="detectionTemperatureDifferenceThreshold">辐射温差检测阈值</param>
-        public MillimeterWaveRadiometer(TerminalSensitiveSubmunition submunition, double wavelength)
+        public MillimeterWaveRadiometer(TerminalSensitiveSubmunition submunition, double wavelength, double fieldOfView)
             : base(submunition.Position, submunition.Orientation)
         {
             Wavelength = wavelength;
+            FieldOfView = fieldOfView;
             lastDetectionTemperature = 0;
             sensorData = new RadiometerSensorData();
             this.submunition = submunition;
@@ -75,7 +79,7 @@ namespace ActiveProtect.Models
         private double GetCurrentDirectionRadiationTemperature()
         {
             // 获取当前方向上的辐射温度，如果检测到目标，则返回天空背景辐射的反射温度，否则返回300K
-            return submunition.DetectTarget() ? 90 : 300;
+            return submunition.DetectTarget(FieldOfView) ? 90 : 300;
         }
 
         /// <summary>
diff --git a/src/Models/Sensor/SensorData.cs b/src/Models/Sensor/SensorData.cs
index e84b29c..f98a82a 100644
--- a/src/Models/Sensor/SensorData.cs
+++ b/src/Models/Sensor/SensorData.cs
@@ -25,9 +25,9 @@ namespace ActiveProtect.Models
         public double Temperature { get; set; }
 
         /// <summary>
-        /// 目标方向（如果检测到目标）
+        /// 是否检测到目标
         /// </summary>
-        public Vector3D? TargetDirection { get; set; }
+        public bool IsTargetDetected { get; set; }
     }
 
     /// <summary>