diff --git a/app/build.gradle b/app/build.gradle
index 41c32f9..98af244 100644
--- a/app/build.gradle
+++ b/app/build.gradle
@@ -44,6 +44,7 @@ dependencies {
     implementation 'androidx.percentlayout:percentlayout:1.0.0'
     implementation 'androidx.cardview:cardview:1.0.0'
     implementation 'com.google.android.material:material:1.0.0'
+    implementation 'androidx.recyclerview:recyclerview:1.1.0-alpha03'
     //DNS
     implementation 'org.pcap4j:pcap4j-core:1.7.4'
     implementation 'org.pcap4j:pcap4j-packetfactory-static:1.7.4'
@@ -51,8 +52,8 @@ dependencies {
     implementation 'com.google.code.gson:gson:2.8.5'
     implementation 'com.squareup.okhttp3:okhttp:3.12.1'
     //Analytics
-    implementation 'com.google.firebase:firebase-core:16.0.6'
-    implementation 'com.crashlytics.sdk.android:crashlytics:2.9.8'
+    implementation 'com.google.firebase:firebase-core:16.0.8'
+    implementation 'com.crashlytics.sdk.android:crashlytics:2.9.9'
 }
 
 apply plugin: 'com.google.gms.google-services'
diff --git a/app/src/main/AndroidManifest.xml b/app/src/main/AndroidManifest.xml
index bd26748..1979a6f 100644
--- a/app/src/main/AndroidManifest.xml
+++ b/app/src/main/AndroidManifest.xml
@@ -71,6 +71,7 @@
                 android:configChanges="keyboard|keyboardHidden|screenLayout|uiMode|orientation|screenSize|smallestScreenSize"
                 android:theme="@style/AppTheme.NoActionBar">
         </activity>
+        <activity android:name=".activity.FilterAppProxyActivity" />
     </application>
 
 </manifest>
\ No newline at end of file
diff --git a/app/src/main/java/org/itxtech/daedalus/activity/FilterAppProxyActivity.java b/app/src/main/java/org/itxtech/daedalus/activity/FilterAppProxyActivity.java
new file mode 100644
index 0000000..65ee105
--- /dev/null
+++ b/app/src/main/java/org/itxtech/daedalus/activity/FilterAppProxyActivity.java
@@ -0,0 +1,195 @@
+package org.itxtech.daedalus.activity;
+
+import android.annotation.SuppressLint;
+import android.content.pm.PackageInfo;
+import android.content.pm.PackageManager;
+import android.graphics.Color;
+import android.graphics.drawable.Drawable;
+import android.os.Bundle;
+import android.view.LayoutInflater;
+import android.view.View;
+import android.view.ViewGroup;
+import android.widget.CheckBox;
+import android.widget.ImageView;
+import android.widget.TextView;
+
+import org.itxtech.daedalus.Daedalus;
+import org.itxtech.daedalus.R;
+
+import java.util.ArrayList;
+import java.util.HashMap;
+import java.util.List;
+import java.util.Map;
+import java.util.Objects;
+
+import androidx.annotation.NonNull;
+import androidx.annotation.Nullable;
+import androidx.appcompat.app.AppCompatActivity;
+import androidx.appcompat.widget.Toolbar;
+import androidx.core.content.ContextCompat;
+import androidx.core.graphics.drawable.DrawableCompat;
+import androidx.recyclerview.widget.LinearLayoutManager;
+import androidx.recyclerview.widget.RecyclerView;
+
+/**
+ * Daedalus Project
+ *
+ * @author iTX Technologies
+ * @link https://itxtech.org
+ * <p>
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ */
+public class FilterAppProxyActivity extends AppCompatActivity {
+
+    private RecyclerViewAdapter adapter;
+
+    @Override
+    public void onCreate(@Nullable Bundle savedInstanceState) {
+        if (Daedalus.isDarkTheme()) {
+            setTheme(R.style.AppTheme_Dark_NoActionBar);
+        }
+        super.onCreate(savedInstanceState);
+
+        setContentView(R.layout.activity_filter_app);
+        Toolbar toolbar = findViewById(R.id.toolbar_filter);
+        Drawable drawable = ContextCompat.getDrawable(this, R.drawable.ic_clear);
+        RecyclerView recyclerView = findViewById(R.id.recyclerView_app_filter_list);
+        LinearLayoutManager manager = new LinearLayoutManager(this);
+        recyclerView.setLayoutManager(manager);
+        Drawable wrappedDrawable = DrawableCompat.wrap(Objects.requireNonNull(drawable));
+        DrawableCompat.setTint(wrappedDrawable, Color.WHITE);
+        toolbar.setNavigationIcon(drawable);
+        toolbar.setNavigationOnClickListener(v -> onBackPressed());
+        adapter = new RecyclerViewAdapter(getAppList());
+        recyclerView.setAdapter(adapter);
+    }
+
+    @Override
+    public void onPostCreate(Bundle savedInstanceState) {
+        super.onPostCreate(savedInstanceState);
+        Toolbar toolbar = findViewById(R.id.toolbar_filter);
+        toolbar.setTitle(R.string.settings_app_filter);
+    }
+
+    @Override
+    protected void onDestroy() {
+        super.onDestroy();
+        Daedalus.configurations.save();
+    }
+
+    @Override
+    public void onResume() {
+        super.onResume();
+        adapter.notifyDataSetChanged();
+    }
+
+    private class AppObject {
+        private String app_name;
+        private String app_package_name;
+        private Drawable app_icon;
+
+        AppObject(String appName, String packageName, Drawable appIcon) {
+            this.app_name = appName;
+            this.app_package_name = packageName;
+            this.app_icon = appIcon;
+        }
+    }
+
+    private ArrayList<AppObject> getAppList() {
+        PackageManager packageManager = getBaseContext().getPackageManager();
+        List<PackageInfo> packages = packageManager.getInstalledPackages(PackageManager.GET_PERMISSIONS);
+        ArrayList<AppObject> appObjects = new ArrayList<>();
+        for (PackageInfo pkg : packages) {
+            appObjects.add(new AppObject(
+                    pkg.applicationInfo.loadLabel(packageManager).toString(),
+                    pkg.packageName,
+                    pkg.applicationInfo.loadIcon(packageManager)
+            ));
+        }
+        return appObjects;
+    }
+
+    private class RecyclerViewAdapter extends RecyclerView.Adapter<RecyclerViewHolder> {
+        private ArrayList<AppObject> appList;
+        @SuppressLint("UseSparseArrays")
+        private Map<Integer, Boolean> check_status = new HashMap<>();
+
+        RecyclerViewAdapter(ArrayList<AppObject> appObjects) {
+            appList = appObjects;
+
+            for (int i = 0; i < appObjects.size(); i++) {
+                if (Daedalus.configurations.getFilterAppObjects().contains(appObjects.get(i).app_package_name)) {
+                    check_status.put(i, true);
+                }
+            }
+        }
+
+
+        @NonNull
+        @Override
+        public RecyclerViewHolder onCreateViewHolder(@NonNull ViewGroup parent, int viewType) {
+            View view = LayoutInflater.from(parent.getContext()).inflate(R.layout.card_appview, parent, false);
+            return new RecyclerViewHolder(view);
+        }
+
+        @Override
+        public void onBindViewHolder(@NonNull RecyclerViewHolder holder, int position) {
+            String package_name = appList.get(position).app_package_name;
+            holder.app_name.setText(appList.get(position).app_name);
+            holder.app_icon.setImageDrawable(appList.get(position).app_icon);
+            holder.app_package_name = package_name;
+            holder.app_check.setOnCheckedChangeListener(null);
+            if (Daedalus.configurations.getFilterAppObjects().contains(package_name)) {
+                holder.app_check.setChecked(true);
+                //check_status.put(position, true);
+            }
+            holder.app_check.setOnCheckedChangeListener((buttonView, isChecked) -> {
+                if (isChecked) {
+                    check_status.put(position, true);
+                } else {
+                    check_status.remove(position);
+                }
+            });
+            if (check_status != null && check_status.containsKey(position)) {
+                holder.app_check.setChecked(true);
+            } else {
+                holder.app_check.setChecked(false);
+            }
+        }
+
+        @Override
+        public int getItemCount() {
+            return appList.size();
+        }
+    }
+
+    private class RecyclerViewHolder extends RecyclerView.ViewHolder implements View.OnClickListener {
+        private ImageView app_icon;
+        private TextView app_name;
+        private CheckBox app_check;
+        private String app_package_name;
+
+        RecyclerViewHolder(@NonNull View itemView) {
+            super(itemView);
+            app_icon = itemView.findViewById(R.id.app_icon);
+            app_name = itemView.findViewById(R.id.app_name);
+            app_check = itemView.findViewById(R.id.app_check);
+            itemView.setOnClickListener(this);
+        }
+
+
+        @Override
+        public void onClick(View v) {
+            if (app_check.isChecked()) {
+                app_check.setChecked(false);
+                Daedalus.configurations.getFilterAppObjects().remove(app_package_name);
+            } else {
+                app_check.setChecked(true);
+                Daedalus.configurations.getFilterAppObjects().add(app_package_name);
+            }
+        }
+    }
+}
diff --git a/app/src/main/java/org/itxtech/daedalus/fragment/GlobalConfigFragment.java b/app/src/main/java/org/itxtech/daedalus/fragment/GlobalConfigFragment.java
index 47aea8d..849c88b 100644
--- a/app/src/main/java/org/itxtech/daedalus/fragment/GlobalConfigFragment.java
+++ b/app/src/main/java/org/itxtech/daedalus/fragment/GlobalConfigFragment.java
@@ -5,9 +5,12 @@ import android.os.Build;
 import android.os.Bundle;
 import android.preference.*;
 import android.view.View;
+
 import com.google.android.material.snackbar.Snackbar;
+
 import org.itxtech.daedalus.Daedalus;
 import org.itxtech.daedalus.R;
+import org.itxtech.daedalus.activity.FilterAppProxyActivity;
 import org.itxtech.daedalus.activity.MainActivity;
 import org.itxtech.daedalus.util.server.DNSServerHelper;
 
@@ -82,14 +85,28 @@ public class GlobalConfigFragment extends PreferenceFragment {
             SwitchPreference boot = (SwitchPreference) findPreference("settings_boot");
             boot.setEnabled(false);
             boot.setChecked(false);
+            SwitchPreference app_filter = (SwitchPreference) findPreference("settings_app_filter_switch");
+            app_filter.setEnabled(false);
+            app_filter.setChecked(false);
         }
 
         SwitchPreference advanced = (SwitchPreference) findPreference("settings_advanced_switch");
         advanced.setOnPreferenceChangeListener((preference, newValue) -> {
-            updateAdvancedOptions((boolean) newValue);
+            updateOptions((boolean) newValue, "settings_advanced");
             return true;
         });
 
+        SwitchPreference app_filter = (SwitchPreference) findPreference("settings_app_filter_switch");
+        app_filter.setOnPreferenceChangeListener((p, w) -> {
+            updateOptions((boolean) w, "settings_app_filter");
+            return true;
+        });
+
+        findPreference("settings_app_filter_list").setOnPreferenceClickListener(preference -> {
+            startActivity(new Intent(getActivity(), FilterAppProxyActivity.class));
+            return false;
+        });
+
         findPreference("settings_check_update").setOnPreferenceClickListener(preference -> {
             Daedalus.openUri("https://github.com/iTXTech/Daedalus/releases");
             return false;
@@ -110,11 +127,12 @@ public class GlobalConfigFragment extends PreferenceFragment {
             return false;
         });
 
-        updateAdvancedOptions(advanced.isChecked());
+        updateOptions(advanced.isChecked(), "settings_advanced");
+        updateOptions(app_filter.isChecked(), "settings_app_filter");
     }
 
-    private void updateAdvancedOptions(boolean checked) {
-        PreferenceCategory category = (PreferenceCategory) findPreference("settings_advanced");
+    private void updateOptions(boolean checked, String pref) {
+        PreferenceCategory category = (PreferenceCategory) findPreference(pref);
         for (int i = 1; i < category.getPreferenceCount(); i++) {
             Preference preference = category.getPreference(i);
             if (checked) {
diff --git a/app/src/main/java/org/itxtech/daedalus/service/DaedalusVpnService.java b/app/src/main/java/org/itxtech/daedalus/service/DaedalusVpnService.java
index 29b78f7..5fd4a53 100644
--- a/app/src/main/java/org/itxtech/daedalus/service/DaedalusVpnService.java
+++ b/app/src/main/java/org/itxtech/daedalus/service/DaedalusVpnService.java
@@ -7,12 +7,15 @@ import android.app.NotificationManager;
 import android.app.PendingIntent;
 import android.content.Context;
 import android.content.Intent;
+import android.content.pm.PackageManager;
 import android.net.VpnService;
 import android.os.Build;
 import android.os.ParcelFileDescriptor;
 import android.system.OsConstants;
 import android.util.Log;
+
 import androidx.core.app.NotificationCompat;
+
 import org.itxtech.daedalus.Daedalus;
 import org.itxtech.daedalus.R;
 import org.itxtech.daedalus.activity.MainActivity;
@@ -28,6 +31,7 @@ import java.net.Inet6Address;
 import java.net.InetAddress;
 import java.net.UnknownHostException;
 import java.util.HashMap;
+import java.util.Set;
 
 /**
  * Daedalus Project
@@ -238,7 +242,28 @@ public class DaedalusVpnService extends VpnService implements Runnable {
                     .setConfigureIntent(PendingIntent.getActivity(this, 0,
                             new Intent(this, MainActivity.class).putExtra(MainActivity.LAUNCH_FRAGMENT, MainActivity.FRAGMENT_SETTINGS),
                             PendingIntent.FLAG_ONE_SHOT));
+
+            //Set App Filter
+            if (Build.VERSION.SDK_INT < Build.VERSION_CODES.LOLLIPOP && Daedalus.getPrefs().getBoolean("settings_app_filter_switch", false)) {
+                Set<String> apps = Daedalus.getPrefs().getStringSet("filterAppObjects", null);
+                if (apps != null) {
+                    boolean mode = Daedalus.getPrefs().getBoolean("settings_app_filter_mode_switch", false);
+                    for (String app : apps) {
+                        try {
+                            if (mode) {
+                                builder.addDisallowedApplication(app);
+                            } else {
+                                builder.addAllowedApplication(app);
+                            }
+                        } catch (PackageManager.NameNotFoundException e) {
+                            Logger.error("Package Not Found:" + app);
+                        }
+                    }
+                }
+            }
+
             String format = null;
+
             for (String prefix : new String[]{"10.0.0", "192.0.2", "198.51.100", "203.0.113", "192.168.50"}) {
                 try {
                     builder.addAddress(prefix + ".1", 24);
@@ -303,8 +328,10 @@ public class DaedalusVpnService extends VpnService implements Runnable {
                     Thread.sleep(1000);
                 }
             }
-        } catch (InterruptedException ignored) {
-        } catch (Exception e) {
+        } catch (
+                InterruptedException ignored) {
+        } catch (
+                Exception e) {
             Logger.logException(e);
         } finally {
             Log.d(TAG, "quit");
diff --git a/app/src/main/java/org/itxtech/daedalus/util/Configurations.java b/app/src/main/java/org/itxtech/daedalus/util/Configurations.java
index 25cd8b6..97afd53 100644
--- a/app/src/main/java/org/itxtech/daedalus/util/Configurations.java
+++ b/app/src/main/java/org/itxtech/daedalus/util/Configurations.java
@@ -2,6 +2,7 @@ package org.itxtech.daedalus.util;
 
 import com.google.gson.Gson;
 import com.google.gson.stream.JsonReader;
+
 import org.itxtech.daedalus.Daedalus;
 import org.itxtech.daedalus.util.server.CustomDNSServer;
 
@@ -28,6 +29,7 @@ public class Configurations {
     private static File file;
 
     private ArrayList<CustomDNSServer> customDNSServers;
+    private ArrayList<String> filterAppObjects;
 
     private ArrayList<Rule> hostsRules;
     private ArrayList<Rule> dnsmasqRules;
@@ -66,6 +68,13 @@ public class Configurations {
         return customDNSServers;
     }
 
+    public ArrayList<String> getFilterAppObjects() {
+        if (filterAppObjects == null) {
+            filterAppObjects = new ArrayList<>();
+        }
+        return filterAppObjects;
+    }
+
     public ArrayList<Rule> getHostsRules() {
         if (hostsRules == null) {
             hostsRules = new ArrayList<>();
diff --git a/app/src/main/res/layout/activity_filter_app.xml b/app/src/main/res/layout/activity_filter_app.xml
new file mode 100644
index 0000000..0668267
--- /dev/null
+++ b/app/src/main/res/layout/activity_filter_app.xml
@@ -0,0 +1,31 @@
+<?xml version="1.0" encoding="utf-8"?>
+<androidx.coordinatorlayout.widget.CoordinatorLayout xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:app="http://schemas.android.com/apk/res-auto"
+    android:layout_width="match_parent"
+    android:layout_height="match_parent"
+    android:orientation="vertical">
+
+    <com.google.android.material.appbar.AppBarLayout
+        android:layout_width="match_parent"
+        android:layout_height="wrap_content"
+        android:theme="@style/AppTheme.AppBarOverlay">
+
+        <androidx.appcompat.widget.Toolbar
+            android:id="@+id/toolbar_filter"
+            android:layout_width="match_parent"
+            android:layout_height="?android:attr/actionBarSize"
+            android:background="@color/colorPrimary"
+            app:popupTheme="@style/AppTheme.PopupOverlay" />
+
+    </com.google.android.material.appbar.AppBarLayout>
+
+    <androidx.recyclerview.widget.RecyclerView
+        android:id="@+id/recyclerView_app_filter_list"
+        android:layout_width="match_parent"
+        android:layout_height="match_parent"
+        app:layout_behavior="@string/appbar_scrolling_view_behavior">
+
+
+    </androidx.recyclerview.widget.RecyclerView>
+
+</androidx.coordinatorlayout.widget.CoordinatorLayout>
\ No newline at end of file
diff --git a/app/src/main/res/layout/card_appview.xml b/app/src/main/res/layout/card_appview.xml
new file mode 100644
index 0000000..a41bd15
--- /dev/null
+++ b/app/src/main/res/layout/card_appview.xml
@@ -0,0 +1,32 @@
+<?xml version="1.0" encoding="utf-8"?>
+<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
+    android:layout_width="match_parent"
+    android:layout_height="wrap_content"
+    android:gravity="center_vertical">
+
+    <androidx.appcompat.widget.AppCompatImageView
+        android:id="@+id/app_icon"
+        android:layout_width="46dp"
+        android:layout_height="46dp"
+        android:paddingEnd="10dp"
+        android:paddingLeft="14dp"
+        android:paddingRight="10dp"
+        android:paddingStart="14dp" />
+
+    <androidx.appcompat.widget.AppCompatTextView
+        android:id="@+id/app_name"
+        android:layout_width="0dp"
+        android:layout_height="wrap_content"
+        android:layout_weight="1.0" />
+
+    <androidx.appcompat.widget.AppCompatCheckBox
+        android:id="@+id/app_check"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:clickable="false"
+        android:paddingEnd="6dp"
+        android:paddingLeft="2dp"
+        android:paddingRight="6dp"
+        android:paddingStart="2dp" />
+
+</LinearLayout>
\ No newline at end of file
diff --git a/app/src/main/res/values-zh-rCN/strings.xml b/app/src/main/res/values-zh-rCN/strings.xml
index 0535f82..f0fe096 100644
--- a/app/src/main/res/values-zh-rCN/strings.xml
+++ b/app/src/main/res/values-zh-rCN/strings.xml
@@ -83,6 +83,12 @@
     <string name="settings_server_address">服务器地址</string>
     <string name="settings_server_port">服务器端口</string>
 
+    <string name="settings_app_filter">分应用代理</string>
+    <string name="settings_app_filter_list">选择应用</string>
+    <string name="settings_app_filter_mode">黑名单模式</string>
+    <string name="settings_app_filter_list_summary">选择要过滤的应用</string>
+    <string name="settings_app_filter_summary">仅支持Android Lollipop及以上版本</string>
+
     <string name="server_pdomo_primary">PdoMo DNS 主服务器</string>
     <string name="server_pdomo_secondary">PdoMo DNS 辅服务器</string>
     <string name="server_puredns_south_china">PureDNS 华南</string>
diff --git a/app/src/main/res/values-zh-rTW/strings.xml b/app/src/main/res/values-zh-rTW/strings.xml
index 774fa36..2217f41 100644
--- a/app/src/main/res/values-zh-rTW/strings.xml
+++ b/app/src/main/res/values-zh-rTW/strings.xml
@@ -83,6 +83,12 @@
     <string name="settings_server_address">伺服器網址</string>
     <string name="settings_server_port">伺服器埠</string>
 
+    <string name="settings_app_filter">分應用代理</string>
+    <string name="settings_app_filter_list">選擇應用</string>
+    <string name="settings_app_filter_mode">黑名單模式</string>
+    <string name="settings_app_filter_list_summary">選擇要過濾的應用</string>
+    <string name="settings_app_filter_summary">僅支持Android Lollipop及以上版本</string>
+
     <string name="server_pdomo_primary">PdoMo DNS 主伺服器</string>
     <string name="server_pdomo_secondary">PdoMo DNS 輔伺服器</string>
     <string name="server_puredns_south_china">PureDNS 華南</string>
diff --git a/app/src/main/res/values/strings.xml b/app/src/main/res/values/strings.xml
index 51b48fb..4612fd6 100644
--- a/app/src/main/res/values/strings.xml
+++ b/app/src/main/res/values/strings.xml
@@ -88,6 +88,12 @@
     <string name="settings_server_address">Server Address</string>
     <string name="settings_server_port">Server Port</string>
 
+    <string name="settings_app_filter">App Filter</string>
+    <string name="settings_app_filter_mode">Blacklist mode</string>
+    <string name="settings_app_filter_list">Select application</string>
+    <string name="settings_app_filter_list_summary">Select an app to filter</string>
+    <string name="settings_app_filter_summary">Only supports Android Lollipop and above</string>
+
     <string name="server_pdomo_primary">PdoMo DNS Primary</string>
     <string name="server_pdomo_secondary">PdoMo DNS Secondary</string>
     <string name="server_puredns_south_china">PureDNS South China</string>
diff --git a/app/src/main/res/xml/perf_settings.xml b/app/src/main/res/xml/perf_settings.xml
index cf28622..0e2c78a 100644
--- a/app/src/main/res/xml/perf_settings.xml
+++ b/app/src/main/res/xml/perf_settings.xml
@@ -48,6 +48,26 @@
                 android:title="@string/settings_log_size"/>
     </PreferenceCategory>
 
+    <PreferenceCategory
+        android:key="settings_app_filter"
+        android:title="@string/settings_app_filter">
+        <SwitchPreference
+            android:key="settings_app_filter_switch"
+            android:title="@string/settings_app_filter"
+            android:summary="@string/settings_app_filter_summary"
+            android:defaultValue="false"/>
+        <SwitchPreference
+            android:key="settings_app_filter_mode_switch"
+            android:title="@string/settings_app_filter_mode"
+            android:defaultValue="false"
+            android:enabled="false"/>
+        <org.itxtech.daedalus.widget.ClickPreference
+            android:key="settings_app_filter_list"
+            android:title="@string/settings_app_filter_list"
+            android:summary="@string/settings_app_filter_list_summary"
+            android:enabled="false"/>
+    </PreferenceCategory>
+
     <PreferenceCategory
             android:key="settings_advanced"
             android:title="@string/settings_advanced">