diff --git a/app/build.gradle.kts b/app/build.gradle.kts
index 94062d2..e5f50af 100644
--- a/app/build.gradle.kts
+++ b/app/build.gradle.kts
@@ -35,6 +35,9 @@ android {
     kotlinOptions {
         jvmTarget = "11"
     }
+    buildFeatures {
+        viewBinding = true
+    }
 }
 
 dependencies {
diff --git a/app/src/main/java/com/yuanxuan/rokid/MainActivity.kt b/app/src/main/java/com/yuanxuan/rokid/MainActivity.kt
index 53c96bf..4dd164b 100644
--- a/app/src/main/java/com/yuanxuan/rokid/MainActivity.kt
+++ b/app/src/main/java/com/yuanxuan/rokid/MainActivity.kt
@@ -6,18 +6,40 @@ import androidx.activity.enableEdgeToEdge
 import androidx.appcompat.app.AppCompatActivity
 import androidx.core.view.ViewCompat
 import androidx.core.view.WindowInsetsCompat
+import androidx.lifecycle.lifecycleScope
+import com.yuanxuan.rokid.databinding.ActivityMainBinding
+import com.yuanxuan.rokid.dependencies.AppDependencies
+import kotlinx.coroutines.launch
 
 class MainActivity : AppCompatActivity() {
+
+    private lateinit var binding: ActivityMainBinding
+
     override fun onCreate(savedInstanceState: Bundle?) {
         super.onCreate(savedInstanceState)
         enableEdgeToEdge()
-        setContentView(R.layout.activity_main)
+
+        binding = ActivityMainBinding.inflate(layoutInflater)
+
+        setContentView(binding.root)
         ViewCompat.setOnApplyWindowInsetsListener(findViewById(R.id.main)) { v, insets ->
             val systemBars = insets.getInsets(WindowInsetsCompat.Type.systemBars())
             v.setPadding(systemBars.left, systemBars.top, systemBars.right, systemBars.bottom)
             insets
         }
 
+        lifecycleScope.launch {
+            /**
+             * 监听电量
+             */
+            AppDependencies.deviceServiceManager.batteryPercentage.collect {
+                binding.batteryLevel.text = "${it}%"
+            }
+        }
+
+        /**
+         * 拦截返回键事件，防止返回到桌面
+         */
         onBackPressedDispatcher.addCallback {
         }
     }
diff --git a/app/src/main/java/com/yuanxuan/rokid/device/DeviceServiceManager.kt b/app/src/main/java/com/yuanxuan/rokid/device/DeviceServiceManager.kt
index 303be00..63c4100 100644
--- a/app/src/main/java/com/yuanxuan/rokid/device/DeviceServiceManager.kt
+++ b/app/src/main/java/com/yuanxuan/rokid/device/DeviceServiceManager.kt
@@ -5,6 +5,7 @@ import android.content.BroadcastReceiver
 import android.content.Context
 import android.content.Intent
 import android.content.IntentFilter
+import android.os.BatteryManager
 import com.rokid.dcg.sprite.service.IInstructListener
 import com.rokid.dcg.sprite.service.IInstructService
 import com.rokid.dcg.sprite.service.ISpriteMediaService
@@ -45,6 +46,12 @@ class DeviceServiceManager(val context: Application) {
     private val _instructState = MutableStateFlow<InstructState>(InstructState.None)
     val instructState = _instructState.asStateFlow()
 
+    /**
+     * 系统电量
+     */
+    private val _batteryPercentage = MutableStateFlow(-1)
+    val batteryPercentage = _batteryPercentage.asStateFlow()
+
     lateinit var sn: String
         private set
 
@@ -56,13 +63,15 @@ class DeviceServiceManager(val context: Application) {
     private var wakeTimeoutJob: Job? = null
 
     init {
-        val filter = IntentFilter()
-        filter.addAction(SysKeyAction.SPRITE_BUTTON_DOWN)
-        filter.addAction(SysKeyAction.SPRITE_BUTTON_UP)
-        filter.addAction(SysKeyAction.SPRITE_BUTTON_CLICK)
-        filter.addAction(SysKeyAction.SPRITE_BUTTON_LONG_PRESS)
-        filter.addAction(SysKeyAction.SPRITE_BUTTON_VERY_VERY_LONG_PRESS)
-        filter.addAction(SysKeyAction.TOUCH_BAR_LONG_PRESS)
+        val filter = IntentFilter().apply {
+            addAction(SysKeyAction.SPRITE_BUTTON_DOWN)
+            addAction(SysKeyAction.SPRITE_BUTTON_UP)
+            addAction(SysKeyAction.SPRITE_BUTTON_CLICK)
+            addAction(SysKeyAction.SPRITE_BUTTON_LONG_PRESS)
+            addAction(SysKeyAction.SPRITE_BUTTON_VERY_VERY_LONG_PRESS)
+            addAction(SysKeyAction.TOUCH_BAR_LONG_PRESS)
+            addAction(Intent.ACTION_BATTERY_CHANGED) // 监听电量
+        }
         context.registerReceiver(SysKeyReceiver(), filter)
 
         scope.launch {
@@ -226,6 +235,15 @@ class DeviceServiceManager(val context: Application) {
         override fun onReceive(context: Context?, intent: Intent?) {
             val action = intent?.action ?: return
             when (action) {
+                Intent.ACTION_BATTERY_CHANGED -> {
+                    val level = intent.getIntExtra(BatteryManager.EXTRA_LEVEL, -1)
+                    val scale = intent.getIntExtra(BatteryManager.EXTRA_SCALE, -1)
+                    if (level == -1 || scale == -1)
+                        return
+                    val batteryPercentage = (level / scale.toFloat() * 100).toInt()
+                    _batteryPercentage.update { batteryPercentage }
+                }
+
                 SysKeyAction.SPRITE_BUTTON_DOWN -> {
                     Timber.d("按下拍照键 SPRITE_BUTTON_DOWN")
                 }
diff --git a/app/src/main/res/layout/activity_main.xml b/app/src/main/res/layout/activity_main.xml
index 86a5d97..8b346b0 100644
--- a/app/src/main/res/layout/activity_main.xml
+++ b/app/src/main/res/layout/activity_main.xml
@@ -8,12 +8,32 @@
     tools:context=".MainActivity">
 
     <TextView
+        android:id="@+id/battery_level"
         android:layout_width="wrap_content"
         android:layout_height="wrap_content"
+        android:layout_marginEnd="30.dp"
         android:text="Hello World!"
-        app:layout_constraintBottom_toBottomOf="parent"
-        app:layout_constraintEnd_toEndOf="parent"
-        app:layout_constraintStart_toStartOf="parent"
-        app:layout_constraintTop_toTopOf="parent" />
+        android:textColor="@color/white"
+        app:layout_constraintBottom_toTopOf="@id/bottom"
+        app:layout_constraintEnd_toEndOf="parent" />
+
+    <TextClock
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:layout_marginStart="30.dp"
+        android:textColor="@color/white"
+        app:layout_constraintBottom_toTopOf="@id/bottom"
+        app:layout_constraintStart_toStartOf="parent" />
+
+    <EditText
+        android:layout_width="match_parent"
+        android:layout_height="wrap_content"
+        app:layout_constraintBottom_toTopOf="@id/bottom" />
+
+    <Space
+        android:id="@+id/bottom"
+        android:layout_width="match_parent"
+        android:layout_height="10.dp"
+        app:layout_constraintBottom_toBottomOf="parent" />
 
 </androidx.constraintlayout.widget.ConstraintLayout>
\ No newline at end of file