diff --git a/app/src/main/AndroidManifest.xml b/app/src/main/AndroidManifest.xml
index f06850e..51d32d3 100644
--- a/app/src/main/AndroidManifest.xml
+++ b/app/src/main/AndroidManifest.xml
@@ -38,9 +38,6 @@
         android:required="false" />
 
     <queries>
-        <intent>
-            <action android:name="com.github.shadowsocks.plugin.ACTION_NATIVE_PLUGIN" />
-        </intent>
         <intent>
             <action android:name="io.nekohasekai.sagernet.plugin.ACTION_NATIVE_PLUGIN" />
         </intent>
@@ -294,18 +291,6 @@
                 android:resource="@xml/cache_paths" />
         </provider>
 
-        <receiver
-            android:name="io.nekohasekai.sagernet.BootReceiver"
-            android:enabled="false"
-            android:exported="true"
-            android:process=":bg">
-            <intent-filter>
-                <action android:name="android.intent.action.BOOT_COMPLETED" />
-                <action android:name="android.intent.action.LOCKED_BOOT_COMPLETED" />
-                <action android:name="android.intent.action.MY_PACKAGE_REPLACED" />
-            </intent-filter>
-        </receiver>
-
         <provider
             android:name="androidx.startup.InitializationProvider"
             android:authorities="${applicationId}.androidx-startup"
diff --git a/app/src/main/java/io/nekohasekai/sagernet/bg/BaseService.kt b/app/src/main/java/io/nekohasekai/sagernet/bg/BaseService.kt
index 886cf6c..f1a3c26 100644
--- a/app/src/main/java/io/nekohasekai/sagernet/bg/BaseService.kt
+++ b/app/src/main/java/io/nekohasekai/sagernet/bg/BaseService.kt
@@ -80,7 +80,9 @@ class BaseService {
         override fun getProfileName(): String = data?.proxy?.profile?.displayName() ?: "Idle"
 
         override fun registerCallback(cb: ISagerNetServiceCallback, id: Int) {
-            callbacks.register(cb)
+            if (!callbackIdMap.contains(cb)) {
+                callbacks.register(cb)
+            }
             callbackIdMap[cb] = id
         }
 
diff --git a/app/src/main/java/io/nekohasekai/sagernet/bg/SagerConnection.kt b/app/src/main/java/io/nekohasekai/sagernet/bg/SagerConnection.kt
index f8fa514..0ddf8de 100644
--- a/app/src/main/java/io/nekohasekai/sagernet/bg/SagerConnection.kt
+++ b/app/src/main/java/io/nekohasekai/sagernet/bg/SagerConnection.kt
@@ -16,7 +16,7 @@ import io.nekohasekai.sagernet.database.DataStore
 import io.nekohasekai.sagernet.ktx.runOnMainDispatcher
 
 class SagerConnection(
-    private val connectionId: Int,
+    private var connectionId: Int,
     private var listenForDeath: Boolean = false
 ) : ServiceConnection, IBinder.DeathRecipient {
 
@@ -28,9 +28,10 @@ class SagerConnection(
                 else -> throw UnknownError()
             }.java
 
-        val CONNECTION_ID_SHORTCUT = 0
-        val CONNECTION_ID_TILE = 1
-        val CONNECTION_ID_MAINACTIVITY = 2
+        const val CONNECTION_ID_SHORTCUT = 0
+        const val CONNECTION_ID_TILE = 1
+        const val CONNECTION_ID_MAIN_ACTIVITY_FOREGROUND = 2
+        const val CONNECTION_ID_MAIN_ACTIVITY_BACKGROUND = 3
     }
 
     interface Callback {
@@ -102,6 +103,11 @@ class SagerConnection(
 
     var service: ISagerNetService? = null
 
+    fun updateConnectionId(id: Int) {
+        connectionId = id
+        service?.registerCallback(serviceCallback, id)
+    }
+
     override fun onServiceConnected(name: ComponentName?, binder: IBinder) {
         this.binder = binder
         val service = ISagerNetService.Stub.asInterface(binder)!!
diff --git a/app/src/main/java/io/nekohasekai/sagernet/bg/proto/TrafficLooper.kt b/app/src/main/java/io/nekohasekai/sagernet/bg/proto/TrafficLooper.kt
index f9f3e79..98bfbdd 100644
--- a/app/src/main/java/io/nekohasekai/sagernet/bg/proto/TrafficLooper.kt
+++ b/app/src/main/java/io/nekohasekai/sagernet/bg/proto/TrafficLooper.kt
@@ -56,10 +56,16 @@ class TrafficLooper
         Logs.d("select traffic count $TAG_PROXY to $id, old id is $selectorNowId")
         val oldData = items[selectorNowId]
         val data = items[id] ?: return
-        oldData?.tag = selectorNowFakeTag
+        oldData?.apply {
+            tag = selectorNowFakeTag
+            ignore = true
+        }
         selectorNowFakeTag = data.tag
-        data.tag = TAG_PROXY
         selectorNowId = id
+        data.apply {
+            tag = TAG_PROXY
+            ignore = false
+        }
     }
 
     private suspend fun loop() {
@@ -94,6 +100,7 @@ class TrafficLooper
                             tag = tag,
                             rx = ent.rx,
                             tx = ent.tx,
+                            ignore = proxy.config.selectorGroupId >= 0L,
                         )
                         if (tag == TAG_PROXY && itemMain == null) {
                             itemMain = item
@@ -135,14 +142,18 @@ class TrafficLooper
             )
 
             // broadcast (MainActivity)
-            data.binder.broadcast { b ->
-                if (data.binder.callbackIdMap[b] == SagerConnection.CONNECTION_ID_MAINACTIVITY) {
-                    b.cbSpeedUpdate(speed)
-                    if (profileTrafficStatistics) {
-                        items.forEach { (id, item) ->
-                            b.cbTrafficUpdate(
-                                TrafficData(id = id, rx = item.rx, tx = item.tx) // display
-                            )
+            if (data.state == BaseService.State.Connected
+                && data.binder.callbackIdMap.containsValue(SagerConnection.CONNECTION_ID_MAIN_ACTIVITY_FOREGROUND)
+            ) {
+                data.binder.broadcast { b ->
+                    if (data.binder.callbackIdMap[b] == SagerConnection.CONNECTION_ID_MAIN_ACTIVITY_FOREGROUND) {
+                        b.cbSpeedUpdate(speed)
+                        if (profileTrafficStatistics) {
+                            items.forEach { (id, item) ->
+                                b.cbTrafficUpdate(
+                                    TrafficData(id = id, rx = item.rx, tx = item.tx) // display
+                                )
+                            }
                         }
                     }
                 }
diff --git a/app/src/main/java/io/nekohasekai/sagernet/bg/proto/TrafficUpdater.kt b/app/src/main/java/io/nekohasekai/sagernet/bg/proto/TrafficUpdater.kt
index d18adb3..3081e2b 100644
--- a/app/src/main/java/io/nekohasekai/sagernet/bg/proto/TrafficUpdater.kt
+++ b/app/src/main/java/io/nekohasekai/sagernet/bg/proto/TrafficUpdater.kt
@@ -13,9 +13,10 @@ class TrafficUpdater(
         var txRate: Long = 0,
         var rxRate: Long = 0,
         var lastUpdate: Long = 0,
+        var ignore: Boolean = false,
     )
 
-    private suspend fun updateOne(item: TrafficLooperData): TrafficLooperData {
+    private fun updateOne(item: TrafficLooperData): TrafficLooperData {
         // last update
         val now = System.currentTimeMillis()
         val interval = now - item.lastUpdate
@@ -48,6 +49,7 @@ class TrafficUpdater(
     suspend fun updateAll() {
         val updated = mutableMapOf<String, TrafficLooperData>() // diffs
         items.forEach { item ->
+            if (item.ignore) return@forEach
             var diff = updated[item.tag]
             // query a tag only once
             if (diff == null) {
diff --git a/app/src/main/java/io/nekohasekai/sagernet/ui/MainActivity.kt b/app/src/main/java/io/nekohasekai/sagernet/ui/MainActivity.kt
index 92bd6cd..1954d15 100644
--- a/app/src/main/java/io/nekohasekai/sagernet/ui/MainActivity.kt
+++ b/app/src/main/java/io/nekohasekai/sagernet/ui/MainActivity.kt
@@ -381,7 +381,7 @@ class MainActivity : ThemedActivity(),
         }
     }
 
-    val connection = SagerConnection(SagerConnection.CONNECTION_ID_MAINACTIVITY, true)
+    val connection = SagerConnection(SagerConnection.CONNECTION_ID_MAIN_ACTIVITY_FOREGROUND, true)
     override fun onServiceConnected(service: ISagerNetService) = changeState(
         try {
             BaseService.State.values()[service.state]
@@ -426,10 +426,12 @@ class MainActivity : ThemedActivity(),
     }
 
     override fun onStart() {
+        connection.updateConnectionId(SagerConnection.CONNECTION_ID_MAIN_ACTIVITY_FOREGROUND)
         super.onStart()
     }
 
     override fun onStop() {
+        connection.updateConnectionId(SagerConnection.CONNECTION_ID_MAIN_ACTIVITY_BACKGROUND)
         super.onStop()
     }