diff --git a/app/src/main/kotlin/li/songe/gkd/App.kt b/app/src/main/kotlin/li/songe/gkd/App.kt
index 608f4ae2..953cf560 100644
--- a/app/src/main/kotlin/li/songe/gkd/App.kt
+++ b/app/src/main/kotlin/li/songe/gkd/App.kt
@@ -13,6 +13,7 @@ import android.content.pm.PackageInfo
 import android.content.pm.PackageManager
 import android.database.ContentObserver
 import android.hardware.display.DisplayManager
+import android.hardware.input.InputManager
 import android.net.Uri
 import android.os.PowerManager
 import android.provider.Settings
@@ -189,6 +190,7 @@ class App : Application() {
     val activityManager by lazy { app.getSystemService(ACTIVITY_SERVICE) as ActivityManager }
     val appOpsManager by lazy { app.getSystemService(APP_OPS_SERVICE) as AppOpsManager }
     val inputMethodManager by lazy { app.getSystemService(INPUT_METHOD_SERVICE) as InputMethodManager }
+    val inputManager by lazy { app.getSystemService(INPUT_SERVICE) as InputManager }
     val windowManager by lazy { app.getSystemService(WINDOW_SERVICE) as WindowManager }
     val displayManager by lazy { app.getSystemService(DISPLAY_SERVICE) as DisplayManager }
     val keyguardManager by lazy { app.getSystemService(KEYGUARD_SERVICE) as KeyguardManager }
diff --git a/app/src/main/kotlin/li/songe/gkd/service/TrackService.kt b/app/src/main/kotlin/li/songe/gkd/service/TrackService.kt
index 749d873a..5ccabf76 100644
--- a/app/src/main/kotlin/li/songe/gkd/service/TrackService.kt
+++ b/app/src/main/kotlin/li/songe/gkd/service/TrackService.kt
@@ -42,6 +42,7 @@ import li.songe.gkd.app
 import li.songe.gkd.notif.StopServiceReceiver
 import li.songe.gkd.notif.trackNotif
 import li.songe.gkd.shizuku.casted
+import li.songe.gkd.util.AndroidTarget
 import li.songe.gkd.util.OnSimpleLife
 import li.songe.gkd.util.ScreenUtils
 import li.songe.gkd.util.runMainPost
@@ -183,6 +184,10 @@ class TrackService : LifecycleService(), SavedStateRegistryOwner, OnSimpleLife {
         PixelFormat.TRANSLUCENT,
     ).apply {
         gravity = Gravity.START or Gravity.TOP
+        if (AndroidTarget.S) {
+            // fix #1325
+            alpha = app.inputManager.maximumObscuringOpacityForTouch
+        }
     }
 
     init {