diff --git a/app/src/main/java/org/lsposed/manager/ConfigManager.java b/app/src/main/java/org/lsposed/manager/ConfigManager.java
index 67ee39e0..b7494301 100644
--- a/app/src/main/java/org/lsposed/manager/ConfigManager.java
+++ b/app/src/main/java/org/lsposed/manager/ConfigManager.java
@@ -25,7 +25,9 @@ import android.os.ParcelFileDescriptor;
 import android.os.RemoteException;
 import android.util.Log;
 
+import java.io.File;
 import java.util.ArrayList;
+import java.util.Arrays;
 import java.util.HashSet;
 import java.util.List;
 
@@ -236,4 +238,9 @@ public class ConfigManager {
             return false;
         }
     }
+
+    public static boolean isMagiskInstalled() {
+        return Arrays.stream(System.getenv("PATH").split(File.pathSeparator))
+                .anyMatch(str -> new File(str, "magisk").exists());
+    }
 }
diff --git a/app/src/main/java/org/lsposed/manager/ui/activity/MainActivity.java b/app/src/main/java/org/lsposed/manager/ui/activity/MainActivity.java
index 8ae0dedf..c7dc5ba0 100644
--- a/app/src/main/java/org/lsposed/manager/ui/activity/MainActivity.java
+++ b/app/src/main/java/org/lsposed/manager/ui/activity/MainActivity.java
@@ -44,8 +44,6 @@ import org.lsposed.manager.util.ModuleUtil;
 import org.lsposed.manager.util.NavUtil;
 import org.lsposed.manager.util.chrome.LinkTransformationMethod;
 
-import java.io.File;
-import java.util.Arrays;
 import java.util.Locale;
 
 import name.mikanoshi.customiuizer.holidays.HolidayHelper;
@@ -117,8 +115,7 @@ public class MainActivity extends BaseActivity {
             }
         } else {
             cardBackgroundColor = ResourcesKt.resolveColor(getTheme(), R.attr.colorInstall);
-            boolean isMagiskInstalled = Arrays.stream(System.getenv("PATH").split(File.pathSeparator))
-                    .anyMatch(str -> new File(str, "magisk").exists());
+            boolean isMagiskInstalled = ConfigManager.isMagiskInstalled();
             binding.statusTitle.setText(isMagiskInstalled ? R.string.Install : R.string.NotInstall);
             binding.statusSummary.setText(isMagiskInstalled ? R.string.InstallDetail : R.string.NotInstallDetail);
             if (!isMagiskInstalled) {
@@ -126,7 +123,7 @@ public class MainActivity extends BaseActivity {
                 binding.download.setVisibility(View.GONE);
             }
             binding.statusIcon.setImageResource(R.drawable.ic_error);
-            Snackbar.make(binding.snackbar, R.string.lsposed_not_active, Snackbar.LENGTH_LONG).show();
+            Snackbar.make(binding.snackbar, R.string.lsposed_not_active, Snackbar.LENGTH_INDEFINITE).show();
         }
         binding.status.setCardBackgroundColor(cardBackgroundColor);
         if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.P) {
diff --git a/app/src/main/java/org/lsposed/manager/ui/activity/ModulesActivity.java b/app/src/main/java/org/lsposed/manager/ui/activity/ModulesActivity.java
index abd21522..13db2945 100644
--- a/app/src/main/java/org/lsposed/manager/ui/activity/ModulesActivity.java
+++ b/app/src/main/java/org/lsposed/manager/ui/activity/ModulesActivity.java
@@ -20,6 +20,8 @@
 
 package org.lsposed.manager.ui.activity;
 
+import static android.provider.Settings.ACTION_APPLICATION_DETAILS_SETTINGS;
+
 import android.content.Intent;
 import android.content.pm.PackageInfo;
 import android.content.pm.PackageManager;
@@ -57,11 +59,6 @@ import com.bumptech.glide.request.target.CustomTarget;
 import com.bumptech.glide.request.transition.Transition;
 import com.google.android.material.snackbar.Snackbar;
 
-import java.util.ArrayList;
-import java.util.Collections;
-import java.util.Comparator;
-import java.util.List;
-
 import org.lsposed.manager.ConfigManager;
 import org.lsposed.manager.R;
 import org.lsposed.manager.adapters.AppHelper;
@@ -70,7 +67,10 @@ import org.lsposed.manager.ui.activity.base.ListActivity;
 import org.lsposed.manager.util.GlideApp;
 import org.lsposed.manager.util.ModuleUtil;
 
-import static android.provider.Settings.ACTION_APPLICATION_DETAILS_SETTINGS;
+import java.util.ArrayList;
+import java.util.Collections;
+import java.util.Comparator;
+import java.util.List;
 
 public class ModulesActivity extends ListActivity implements ModuleUtil.ModuleListener {
 
@@ -92,6 +92,10 @@ public class ModulesActivity extends ListActivity implements ModuleUtil.ModuleLi
         pm = getPackageManager();
         moduleUtil.addListener(this);
         super.onCreate(savedInstanceState);
+        if (ConfigManager.getXposedVersionName() == null) {
+            Toast.makeText(this, R.string.lsposed_not_active, Toast.LENGTH_LONG).show();
+            finish();
+        }
     }
 
     @Override
diff --git a/app/src/main/java/org/lsposed/manager/ui/activity/RepoActivity.java b/app/src/main/java/org/lsposed/manager/ui/activity/RepoActivity.java
index fd663513..345588f0 100644
--- a/app/src/main/java/org/lsposed/manager/ui/activity/RepoActivity.java
+++ b/app/src/main/java/org/lsposed/manager/ui/activity/RepoActivity.java
@@ -31,6 +31,7 @@ import android.view.View;
 import android.view.ViewGroup;
 import android.widget.Filter;
 import android.widget.TextView;
+import android.widget.Toast;
 
 import androidx.annotation.NonNull;
 import androidx.annotation.Nullable;
@@ -39,6 +40,12 @@ import androidx.recyclerview.widget.RecyclerView;
 
 import com.google.android.material.snackbar.Snackbar;
 
+import org.lsposed.manager.ConfigManager;
+import org.lsposed.manager.R;
+import org.lsposed.manager.repo.RepoLoader;
+import org.lsposed.manager.repo.model.OnlineModule;
+import org.lsposed.manager.ui.activity.base.ListActivity;
+
 import java.time.Instant;
 import java.util.ArrayList;
 import java.util.Collection;
@@ -47,10 +54,6 @@ import java.util.Comparator;
 import java.util.List;
 import java.util.stream.Collectors;
 
-import org.lsposed.manager.R;
-import org.lsposed.manager.repo.RepoLoader;
-import org.lsposed.manager.repo.model.OnlineModule;
-import org.lsposed.manager.ui.activity.base.ListActivity;
 import rikka.core.util.LabelComparator;
 
 public class RepoActivity extends ListActivity implements RepoLoader.Listener {
@@ -61,6 +64,10 @@ public class RepoActivity extends ListActivity implements RepoLoader.Listener {
     public void onCreate(@Nullable Bundle savedInstanceState) {
         repoLoader.addListener(this);
         super.onCreate(savedInstanceState);
+        if (!ConfigManager.isMagiskInstalled()) {
+            Toast.makeText(this, R.string.lsposed_not_active, Toast.LENGTH_LONG).show();
+            finish();
+        }
     }
 
     @Override
diff --git a/app/src/main/res/xml/shortcuts.xml b/app/src/main/res/xml/shortcuts.xml
index 205a8668..e2017971 100644
--- a/app/src/main/res/xml/shortcuts.xml
+++ b/app/src/main/res/xml/shortcuts.xml
@@ -28,8 +28,8 @@
         android:shortcutShortLabel="@string/Modules">
         <intent
             android:action="android.intent.action.MAIN"
-            android:targetClass="orrg.lsposed.manager.ui.activity.ModulesActivity"
-            android:targetPackage="orrg.lsposed.manager" />
+            android:targetClass="org.lsposed.manager.ui.activity.ModulesActivity"
+            android:targetPackage="org.lsposed.manager" />
     </shortcut>
     <shortcut
         android:enabled="true"
@@ -39,8 +39,8 @@
         android:shortcutShortLabel="@string/Logs">
         <intent
             android:action="android.intent.action.MAIN"
-            android:targetClass="orrg.lsposed.manager.ui.activity.LogsActivity"
-            android:targetPackage="orrg.lsposed.manager" />
+            android:targetClass="org.lsposed.manager.ui.activity.LogsActivity"
+            android:targetPackage="org.lsposed.manager" />
     </shortcut>
     <shortcut
         android:enabled="true"
@@ -50,7 +50,7 @@
         android:shortcutShortLabel="@string/module_repo">
         <intent
             android:action="android.intent.action.MAIN"
-            android:targetClass="orrg.lsposed.manager.ui.activity.RepoActivity"
-            android:targetPackage="orrg.lsposed.manager" />
+            android:targetClass="org.lsposed.manager.ui.activity.RepoActivity"
+            android:targetPackage="org.lsposed.manager" />
     </shortcut>
 </shortcuts>