diff --git a/app/src/main/kotlin/li/songe/gkd/App.kt b/app/src/main/kotlin/li/songe/gkd/App.kt
index c8d74bd..06f7845 100644
--- a/app/src/main/kotlin/li/songe/gkd/App.kt
+++ b/app/src/main/kotlin/li/songe/gkd/App.kt
@@ -24,6 +24,7 @@ import li.songe.gkd.notif.initChannel
 import li.songe.gkd.permission.shizukuOkState
 import li.songe.gkd.service.A11yService
 import li.songe.gkd.util.SafeR
+import li.songe.gkd.util.componentName
 import li.songe.gkd.util.initAppState
 import li.songe.gkd.util.initFolder
 import li.songe.gkd.util.initStore
@@ -56,7 +57,7 @@ data object META {
     val debuggable by lazy { applicationInfo.flags and ApplicationInfo.FLAG_DEBUGGABLE != 0 }
     val versionCode by lazy { selfAppInfo.versionCode.toInt() }
     val versionName by lazy { selfAppInfo.versionName!! }
-    val appId by lazy { selfAppInfo.id }
+    val appId by lazy { app.packageName!! }
     val appName by lazy { app.getString(SafeR.app_name) }
 }
 
@@ -163,7 +164,7 @@ private fun getA11yServiceEnabled(): Boolean {
     if (value.isNullOrEmpty()) return false
     val colonSplitter = TextUtils.SimpleStringSplitter(':')
     colonSplitter.setString(value)
-    val name = ComponentName(app, A11yService::class.java)
+    val name = A11yService::class.componentName
     while (colonSplitter.hasNext()) {
         if (ComponentName.unflattenFromString(colonSplitter.next()) == name) {
             return true
diff --git a/app/src/main/kotlin/li/songe/gkd/MainActivity.kt b/app/src/main/kotlin/li/songe/gkd/MainActivity.kt
index 4924e87..2be2f98 100644
--- a/app/src/main/kotlin/li/songe/gkd/MainActivity.kt
+++ b/app/src/main/kotlin/li/songe/gkd/MainActivity.kt
@@ -2,7 +2,6 @@ package li.songe.gkd
 
 import android.app.Activity
 import android.app.ActivityManager
-import android.content.ComponentName
 import android.content.Context
 import android.content.Intent
 import android.graphics.Color
@@ -48,6 +47,7 @@ import li.songe.gkd.ui.theme.AppTheme
 import li.songe.gkd.util.LocalNavController
 import li.songe.gkd.util.UpgradeDialog
 import li.songe.gkd.util.appInfoCacheFlow
+import li.songe.gkd.util.componentName
 import li.songe.gkd.util.initFolder
 import li.songe.gkd.util.launchTry
 import li.songe.gkd.util.map
@@ -136,7 +136,7 @@ fun isActivityVisible() = activityVisibleFlow.value > 0
 fun Activity.navToMainActivity() {
     val intent = this.intent?.cloneFilter()
     if (intent != null) {
-        intent.component = ComponentName(this, MainActivity::class.java)
+        intent.component = MainActivity::class.componentName
         intent.flags = Intent.FLAG_ACTIVITY_NEW_TASK or Intent.FLAG_ACTIVITY_CLEAR_TASK
         intent.putExtra("source", this::class.qualifiedName)
         startActivity(intent)
diff --git a/app/src/main/kotlin/li/songe/gkd/debug/ScreenshotService.kt b/app/src/main/kotlin/li/songe/gkd/debug/ScreenshotService.kt
index 27756d3..a0d4298 100644
--- a/app/src/main/kotlin/li/songe/gkd/debug/ScreenshotService.kt
+++ b/app/src/main/kotlin/li/songe/gkd/debug/ScreenshotService.kt
@@ -2,7 +2,6 @@ package li.songe.gkd.debug
 
 import android.annotation.SuppressLint
 import android.app.Service
-import android.content.ComponentName
 import android.content.Context
 import android.content.Intent
 import com.blankj.utilcode.util.LogUtils
@@ -11,6 +10,7 @@ import li.songe.gkd.app
 import li.songe.gkd.notif.notifyService
 import li.songe.gkd.notif.screenshotNotif
 import li.songe.gkd.util.ScreenshotUtil
+import li.songe.gkd.util.componentName
 
 class ScreenshotService : Service() {
     override fun onBind(intent: Intent?) = null
@@ -47,7 +47,7 @@ class ScreenshotService : Service() {
         private var screenshotUtil: ScreenshotUtil? = null
 
         fun start(context: Context = app, intent: Intent) {
-            intent.component = ComponentName(context, ScreenshotService::class.java)
+            intent.component = ScreenshotService::class.componentName
             context.startForegroundService(intent)
         }
 
diff --git a/app/src/main/kotlin/li/songe/gkd/service/GkdTileService.kt b/app/src/main/kotlin/li/songe/gkd/service/GkdTileService.kt
index c3db991..20eefe5 100644
--- a/app/src/main/kotlin/li/songe/gkd/service/GkdTileService.kt
+++ b/app/src/main/kotlin/li/songe/gkd/service/GkdTileService.kt
@@ -1,6 +1,5 @@
 package li.songe.gkd.service
 
-import android.content.ComponentName
 import android.os.Handler
 import android.os.Looper
 import android.provider.Settings
@@ -9,6 +8,7 @@ import android.service.quicksettings.TileService
 import kotlinx.coroutines.flow.update
 import li.songe.gkd.app
 import li.songe.gkd.permission.writeSecureSettingsState
+import li.songe.gkd.util.componentName
 import li.songe.gkd.util.lastRestartA11yServiceTimeFlow
 import li.songe.gkd.util.storeFlow
 import li.songe.gkd.util.toast
@@ -135,6 +135,4 @@ fun fixRestartService(): Boolean {
     return false
 }
 
-private val a11yClsName by lazy {
-    ComponentName(app, A11yService::class.java).flattenToShortString()
-}
\ No newline at end of file
+val a11yClsName by lazy { A11yService::class.componentName.flattenToShortString() }
diff --git a/app/src/main/kotlin/li/songe/gkd/shizuku/ShizukuApi.kt b/app/src/main/kotlin/li/songe/gkd/shizuku/ShizukuApi.kt
index 4fb49c1..5fcd323 100644
--- a/app/src/main/kotlin/li/songe/gkd/shizuku/ShizukuApi.kt
+++ b/app/src/main/kotlin/li/songe/gkd/shizuku/ShizukuApi.kt
@@ -18,11 +18,11 @@ import kotlinx.coroutines.flow.combine
 import kotlinx.coroutines.flow.stateIn
 import kotlinx.coroutines.launch
 import li.songe.gkd.META
-import li.songe.gkd.app
 import li.songe.gkd.appScope
 import li.songe.gkd.data.DeviceInfo
 import li.songe.gkd.permission.shizukuOkState
 import li.songe.gkd.service.TopActivity
+import li.songe.gkd.util.componentName
 import li.songe.gkd.util.json
 import li.songe.gkd.util.storeFlow
 import li.songe.gkd.util.toast
@@ -168,14 +168,12 @@ data class UserServiceWrapper(
 }
 
 private suspend fun serviceWrapper(): UserServiceWrapper = suspendCoroutine { continuation ->
-    val serviceArgs = Shizuku.UserServiceArgs(
-        ComponentName(
-            app,
-            UserService::class.java
-        )
-    ).daemon(false).processNameSuffix(
-        "service-for-${if (META.debuggable) "gkd-debug" else "gkd-release"}"
-    ).debuggable(META.debuggable).version(META.versionCode)
+    val serviceArgs = Shizuku
+        .UserServiceArgs(UserService::class.componentName)
+        .daemon(false)
+        .processNameSuffix("shizuku-user-service")
+        .debuggable(META.debuggable)
+        .version(META.versionCode)
 
     var resumeFc: ((UserServiceWrapper) -> Unit)? = { continuation.resume(it) }
 
diff --git a/app/src/main/kotlin/li/songe/gkd/ui/AdvancedPage.kt b/app/src/main/kotlin/li/songe/gkd/ui/AdvancedPage.kt
index 3164ced..81ce97d 100644
--- a/app/src/main/kotlin/li/songe/gkd/ui/AdvancedPage.kt
+++ b/app/src/main/kotlin/li/songe/gkd/ui/AdvancedPage.kt
@@ -393,7 +393,7 @@ fun AdvancedPage() {
 
             TextSwitch(
                 title = "清除订阅",
-                subtitle = "当HTTP服务关闭时,删除内存订阅",
+                subtitle = "服务关闭时,删除内存订阅",
                 checked = store.autoClearMemorySubs
             ) {
                 storeFlow.value = store.copy(
diff --git a/app/src/main/kotlin/li/songe/gkd/util/Others.kt b/app/src/main/kotlin/li/songe/gkd/util/Others.kt
index 9b93376..ab2a67e 100644
--- a/app/src/main/kotlin/li/songe/gkd/util/Others.kt
+++ b/app/src/main/kotlin/li/songe/gkd/util/Others.kt
@@ -1,5 +1,15 @@
 package li.songe.gkd.util
 
+import android.content.ComponentName
+import li.songe.gkd.META
+import kotlin.reflect.KClass
+import kotlin.reflect.jvm.jvmName
+
 inline fun <T, R> Iterable<T>.mapHashCode(transform: (T) -> R): Int {
     return fold(0) { acc, t -> 31 * acc + transform(t).hashCode() }
 }
+
+private val componentNameCache by lazy { HashMap<String, ComponentName>() }
+
+val KClass<*>.componentName
+    get() = componentNameCache.getOrPut(jvmName) { ComponentName(META.appId, jvmName) }