diff --git a/core/function-impl/mogo-core-function-datacenter/src/main/java/com/mogo/eagle/core/function/DataCenterProvider.kt b/core/function-impl/mogo-core-function-datacenter/src/main/java/com/mogo/eagle/core/function/DataCenterProvider.kt
index f3da028c43..895fbc9706 100644
--- a/core/function-impl/mogo-core-function-datacenter/src/main/java/com/mogo/eagle/core/function/DataCenterProvider.kt
+++ b/core/function-impl/mogo-core-function-datacenter/src/main/java/com/mogo/eagle/core/function/DataCenterProvider.kt
@@ -29,7 +29,10 @@ class DataCenterProvider : IDataCenterProvider {
             CallerMsgBoxManager.queryAllMessages(it)
             TrafficLightDispatcher.INSTANCE.initServer(it)
             SpeedLimitDispatcher.INSTANCE.initLimit(it)
-            IotManager.init(AppIdentityModeUtils.isPassenger(FunctionBuildConfig.appIdentityMode))
+            IotManager.init(
+                AppIdentityModeUtils.isPassenger(FunctionBuildConfig.appIdentityMode),
+                AppIdentityModeUtils.isB2(FunctionBuildConfig.appIdentityMode)
+            )
         }
     }
 
diff --git a/core/function-impl/mogo-core-function-datacenter/src/main/java/com/mogo/eagle/core/function/datacenter/iot/IotManager.kt b/core/function-impl/mogo-core-function-datacenter/src/main/java/com/mogo/eagle/core/function/datacenter/iot/IotManager.kt
index 458c1eb0e8..42e622c8f3 100644
--- a/core/function-impl/mogo-core-function-datacenter/src/main/java/com/mogo/eagle/core/function/datacenter/iot/IotManager.kt
+++ b/core/function-impl/mogo-core-function-datacenter/src/main/java/com/mogo/eagle/core/function/datacenter/iot/IotManager.kt
@@ -22,7 +22,7 @@ object IotManager : IMoGoCloudListener, IWriteChainLogListener {
     private const val EVENT_KEY_HARDWARE_DEVICES = "event_key_hardware_devices"
     private var isPassenger: Boolean = false
 
-    fun init(isPassenger: Boolean) {
+    fun init(isPassenger: Boolean, isB2: Boolean) {
         this.isPassenger = isPassenger
         if (isPassenger) {
             CallerCloudListenerManager.addListener(TAG, this)
@@ -30,7 +30,7 @@ object IotManager : IMoGoCloudListener, IWriteChainLogListener {
             hardwareDeviceBind(SharedPrefsMgr.getInstance().sn)
         } else {
             LedSourceManager.registerWriteChainLogListener(this)
-            LedSourceManager.init(true)
+            LedSourceManager.init(true, isB2)
         }
     }
 
diff --git a/libraries/mogo-hardware-devices/src/main/java/com/mogo/support/device/led/LedSourceManager.kt b/libraries/mogo-hardware-devices/src/main/java/com/mogo/support/device/led/LedSourceManager.kt
index f8d3ab9786..c50454c1b1 100644
--- a/libraries/mogo-hardware-devices/src/main/java/com/mogo/support/device/led/LedSourceManager.kt
+++ b/libraries/mogo-hardware-devices/src/main/java/com/mogo/support/device/led/LedSourceManager.kt
@@ -37,6 +37,7 @@ object LedSourceManager : IWriteChainLogListener {
     private var typeTurnSignal = 0;//转向灯状态  0：无灯；1：左转；2：右转；3：双闪
     private var lastUpdateEmergencyBrakeTime = 0L//上次触发急刹展示的时间
     private var isDriver = false
+    private var isB2 = false
     private var writeChainLogListener: IWriteChainLogListener? = null
 
     //红绿灯定时器，超时未更新隐藏红绿灯
@@ -56,24 +57,31 @@ object LedSourceManager : IWriteChainLogListener {
     }
 
     fun unregisterWriteChainLogListener() {
-        this.writeChainLogListener = null
+        if (isDriver && isB2) {
+            this.writeChainLogListener = null
+        }
     }
 
 
-    fun init(isDriver: Boolean) {
+    fun init(isDriver: Boolean, isB2: Boolean) {
         this.isDriver = isDriver
-        LedScreenCpower5aManager.getInstance().addListener(cpower5aListener)
+        this.isB2 = isB2
+        if (isDriver && isB2) {
+            LedScreenCpower5aManager.getInstance().addListener(cpower5aListener)
+        }
     }
 
     fun destroy() {
-        frontViewModel.reset()
-        backViewModel.reset()
-        LedScreenCpower5aManager.getInstance().removeListener(cpower5aListener)
-        typeTurnSignal = 0
-        lastUpdateEmergencyBrakeTime = 0L
-        lightCountDownTimer?.cancel()
-        lightCountDownTimer = null
-        lastLightTime = System.currentTimeMillis()
+        if (isDriver && isB2) {
+            frontViewModel.reset()
+            backViewModel.reset()
+            LedScreenCpower5aManager.getInstance().removeListener(cpower5aListener)
+            typeTurnSignal = 0
+            lastUpdateEmergencyBrakeTime = 0L
+            lightCountDownTimer?.cancel()
+            lightCountDownTimer = null
+            lastLightTime = System.currentTimeMillis()
+        }
     }
 
     private fun receiveUI(ledUI: LedUI) {
@@ -106,7 +114,7 @@ object LedSourceManager : IWriteChainLogListener {
      * type：  0：无灯；1：左转；2：右转；3：双闪
      */
     fun updateTurnSignalData(type: Int) {
-        if (isDriver) {
+        if (isDriver && isB2) {
             if (typeTurnSignal != type) {
                 writeChainLogListener?.onWriteChainLog(TAG, "LED外屏数据源", "车灯状态=${type}")
                 typeTurnSignal = type
@@ -120,7 +128,7 @@ object LedSourceManager : IWriteChainLogListener {
      * 车辆急刹
      */
     fun updateAccelerationData(acceleration: Double) {
-        if (isDriver) {
+        if (isDriver && isB2) {
             if (acceleration <= -2) {
                 writeChainLogListener?.onWriteChainLog(
                     TAG,
@@ -187,7 +195,7 @@ object LedSourceManager : IWriteChainLogListener {
         stateStraight: Int, durationStraight: Int,
         stateTurnRight: Int, durationTurnRight: Int
     ) {
-        if (isDriver) {
+        if (isDriver && isB2) {
             var stateTurnRoundTemp: TrafficLightState? = null
             var stateTurnLeftTemp: TrafficLightState? = null
             var stateStraightTemp: TrafficLightState? = null
@@ -212,7 +220,7 @@ object LedSourceManager : IWriteChainLogListener {
                 stateStraightTemp = transitionTurnType(stateStraight)
                 stateTurnRightTemp = transitionTurnType(stateTurnRight)
             }
-            if (isShow){
+            if (isShow) {
                 writeChainLogListener?.onWriteChainLog(
                     TAG,
                     "LED外屏数据源",
@@ -274,7 +282,7 @@ object LedSourceManager : IWriteChainLogListener {
         arrivalStopName: String,
         isLastStop: Boolean
     ) {
-        if (isDriver) {
+        if (isDriver && isB2) {
             writeChainLogListener?.onWriteChainLog(
                 TAG,
                 "LED外屏数据源",