diff --git a/app/src/main/kotlin/dev/sanmer/pi/compat/PackageInfoCompat.kt b/app/src/main/kotlin/dev/sanmer/pi/compat/PackageInfoCompat.kt
index fcd31fc7..b95988eb 100644
--- a/app/src/main/kotlin/dev/sanmer/pi/compat/PackageInfoCompat.kt
+++ b/app/src/main/kotlin/dev/sanmer/pi/compat/PackageInfoCompat.kt
@@ -1,5 +1,6 @@
 package dev.sanmer.pi.compat
 
+import android.content.pm.ApplicationInfo
 import android.content.pm.PackageInfo
 import android.content.pm.PackageInfoHidden
 import dev.rikka.tools.refine.Refine
@@ -11,4 +12,8 @@ object PackageInfoCompat {
 
     val PackageInfo.isPreinstalled get() =
         lastUpdateTime <= 1230768000000 // 2009-01-01 08:00:00 GMT+8
+
+    val PackageInfo.isSystemApp get() =
+        applicationInfo.flags and (ApplicationInfo.FLAG_SYSTEM or
+                ApplicationInfo.FLAG_UPDATED_SYSTEM_APP) != 0
 }
\ No newline at end of file
diff --git a/app/src/main/kotlin/dev/sanmer/pi/ui/activity/InstallActivity.kt b/app/src/main/kotlin/dev/sanmer/pi/ui/activity/InstallActivity.kt
index a1754b9c..2dc1fbd7 100644
--- a/app/src/main/kotlin/dev/sanmer/pi/ui/activity/InstallActivity.kt
+++ b/app/src/main/kotlin/dev/sanmer/pi/ui/activity/InstallActivity.kt
@@ -13,9 +13,10 @@ import androidx.compose.runtime.setValue
 import androidx.lifecycle.lifecycleScope
 import dagger.hilt.android.AndroidEntryPoint
 import dev.sanmer.pi.app.Const
-import dev.sanmer.pi.compat.ShizukuCompat
 import dev.sanmer.pi.compat.ActivityCompat
+import dev.sanmer.pi.compat.PackageInfoCompat.isSystemApp
 import dev.sanmer.pi.compat.PackageManagerCompat
+import dev.sanmer.pi.compat.ShizukuCompat
 import dev.sanmer.pi.model.IPackageInfo
 import dev.sanmer.pi.repository.LocalRepository
 import dev.sanmer.pi.service.InstallService.Companion.startInstallService
@@ -142,7 +143,9 @@ class InstallActivity : ComponentActivity() {
         return runCatching {
             PackageManagerCompat.getPackageInfo(
                 callingPackage, 0, 0
-            )
+            ).let {
+                if (it.isSystemApp) null else it
+            }
         }.getOrNull()
     }
 
diff --git a/app/src/main/kotlin/dev/sanmer/pi/viewmodel/AppsViewModel.kt b/app/src/main/kotlin/dev/sanmer/pi/viewmodel/AppsViewModel.kt
index dde52cc1..d97d467f 100644
--- a/app/src/main/kotlin/dev/sanmer/pi/viewmodel/AppsViewModel.kt
+++ b/app/src/main/kotlin/dev/sanmer/pi/viewmodel/AppsViewModel.kt
@@ -8,6 +8,7 @@ import androidx.compose.runtime.toMutableStateList
 import androidx.lifecycle.ViewModel
 import androidx.lifecycle.viewModelScope
 import dagger.hilt.android.lifecycle.HiltViewModel
+import dev.sanmer.pi.compat.PackageInfoCompat.isSystemApp
 import dev.sanmer.pi.compat.PackageManagerCompat
 import dev.sanmer.pi.model.IPackageInfo
 import dev.sanmer.pi.repository.LocalRepository
@@ -80,14 +81,8 @@ class AppsViewModel @Inject constructor(
             ) == true
         }
 
-        val isNotSystemApp: (PackageInfo) -> Boolean = {
-            it.applicationInfo.flags and (ApplicationInfo.FLAG_SYSTEM or
-                    ApplicationInfo.FLAG_UPDATED_SYSTEM_APP) == 0
-        }
-
         allPackages.filter {
-            isRequestedInstall(it) && isNotSystemApp(it) &&
-                    it.applicationInfo.enabled
+            isRequestedInstall(it) && !it.isSystemApp && it.applicationInfo.enabled
         }
     }