diff --git a/app/build.gradle b/app/build.gradle
index 72df18e..040344c 100644
--- a/app/build.gradle
+++ b/app/build.gradle
@@ -56,14 +56,15 @@ dependencies {
     implementation 'androidx.legacy:legacy-support-v4:1.0.0'
     implementation 'androidx.percentlayout:percentlayout:1.0.0'
     implementation 'androidx.cardview:cardview:1.0.0'
-    implementation 'com.google.android.material:material:1.1.0-alpha10'
-    implementation 'androidx.recyclerview:recyclerview:1.1.0-beta04'
+    implementation 'com.google.android.material:material:1.1.0-beta01'
+    implementation 'androidx.recyclerview:recyclerview:1.1.0-beta05'
+    implementation "androidx.preference:preference:1.1.0"
     //DNS
-    implementation 'org.pcap4j:pcap4j-core:1.7.6'
-    implementation 'org.pcap4j:pcap4j-packetfactory-static:1.7.6'
+    implementation 'org.pcap4j:pcap4j-core:1.8.2'
+    implementation 'org.pcap4j:pcap4j-packetfactory-static:1.8.2'
     implementation 'org.minidns:minidns-client:0.3.4'
     implementation 'com.google.code.gson:gson:2.8.5'
-    implementation 'com.squareup.okhttp3:okhttp:3.14.1'
+    implementation 'com.squareup.okhttp3:okhttp:4.2.0'
 
     //Analytics
     googleReleaseImplementation 'com.google.firebase:firebase-core:17.2.0'
diff --git a/app/src/main/java/org/itxtech/daedalus/Daedalus.java b/app/src/main/java/org/itxtech/daedalus/Daedalus.java
index d7cd117..8d86bb5 100644
--- a/app/src/main/java/org/itxtech/daedalus/Daedalus.java
+++ b/app/src/main/java/org/itxtech/daedalus/Daedalus.java
@@ -10,8 +10,8 @@ import android.graphics.drawable.Icon;
 import android.net.Uri;
 import android.net.VpnService;
 import android.os.Build;
-import android.preference.PreferenceManager;
 import android.util.Log;
+import androidx.preference.PreferenceManager;
 import com.google.gson.Gson;
 import com.google.gson.GsonBuilder;
 import com.google.gson.JsonParseException;
diff --git a/app/src/main/java/org/itxtech/daedalus/activity/ConfigActivity.java b/app/src/main/java/org/itxtech/daedalus/activity/ConfigActivity.java
index 500a669..78bda50 100644
--- a/app/src/main/java/org/itxtech/daedalus/activity/ConfigActivity.java
+++ b/app/src/main/java/org/itxtech/daedalus/activity/ConfigActivity.java
@@ -1,7 +1,5 @@
 package org.itxtech.daedalus.activity;
 
-import android.app.FragmentManager;
-import android.app.FragmentTransaction;
 import android.graphics.Color;
 import android.graphics.drawable.Drawable;
 import android.os.Bundle;
@@ -9,6 +7,8 @@ import androidx.appcompat.app.AppCompatActivity;
 import androidx.appcompat.widget.Toolbar;
 import androidx.core.content.ContextCompat;
 import androidx.core.graphics.drawable.DrawableCompat;
+import androidx.fragment.app.FragmentManager;
+import androidx.fragment.app.FragmentTransaction;
 import org.itxtech.daedalus.Daedalus;
 import org.itxtech.daedalus.R;
 import org.itxtech.daedalus.fragment.ConfigFragment;
@@ -64,7 +64,7 @@ public class ConfigActivity extends AppCompatActivity {
         toolbar.setOnMenuItemClickListener(fragment);
         toolbar.inflateMenu(R.menu.custom_config);
 
-        FragmentManager manager = getFragmentManager();
+        FragmentManager manager = getSupportFragmentManager();
         fragment.setIntent(getIntent());
         FragmentTransaction fragmentTransaction = manager.beginTransaction();
         fragmentTransaction.replace(R.id.id_config, fragment);
diff --git a/app/src/main/java/org/itxtech/daedalus/activity/MainActivity.java b/app/src/main/java/org/itxtech/daedalus/activity/MainActivity.java
index 5797891..23bf3c4 100644
--- a/app/src/main/java/org/itxtech/daedalus/activity/MainActivity.java
+++ b/app/src/main/java/org/itxtech/daedalus/activity/MainActivity.java
@@ -1,7 +1,6 @@
 package org.itxtech.daedalus.activity;
 
 import android.app.Activity;
-import android.app.FragmentManager;
 import android.content.Context;
 import android.content.DialogInterface;
 import android.content.Intent;
@@ -100,8 +99,7 @@ public class MainActivity extends AppCompatActivity implements NavigationView.On
         if (currentFragment == null || fragmentClass != currentFragment.getClass()) {
             try {
                 ToolbarFragment fragment = (ToolbarFragment) fragmentClass.newInstance();
-                FragmentManager fm = getFragmentManager();
-                fm.beginTransaction().replace(R.id.id_content, fragment).commit();
+                getSupportFragmentManager().beginTransaction().replace(R.id.id_content, fragment).commit();
                 currentFragment = fragment;
             } catch (Exception e) {
                 Logger.logException(e);
@@ -153,22 +151,14 @@ public class MainActivity extends AppCompatActivity implements NavigationView.On
             new AlertDialog.Builder(this)
                     .setTitle("觉得还不错？")
                     .setMessage("您的支持是我动力来源！\n请考虑为我买杯咖啡醒醒脑，甚至其他…… ;)")
-                    .setPositiveButton("为我买杯咖啡", new DialogInterface.OnClickListener() {
-                        @Override
-                        public void onClick(DialogInterface dialog, int which) {
-                            Daedalus.donate();
-                            new AlertDialog.Builder(MainActivity.this)
-                                    .setMessage("感谢您的支持！;)\n我会再接再厉！")
-                                    .setPositiveButton("确认", null)
-                                    .show();
-                        }
-                    })
-                    .setNeutralButton("不再显示", new DialogInterface.OnClickListener() {
-                        @Override
-                        public void onClick(DialogInterface dialog, int which) {
-                            Daedalus.configurations.setActivateCounter(-1);
-                        }
+                    .setPositiveButton("为我买杯咖啡", (dialog, which) -> {
+                        Daedalus.donate();
+                        new AlertDialog.Builder(MainActivity.this)
+                                .setMessage("感谢您的支持！;)\n我会再接再厉！")
+                                .setPositiveButton("确认", null)
+                                .show();
                     })
+                    .setNeutralButton("不再显示", (dialog, which) -> Daedalus.configurations.setActivateCounter(-1))
                     .setNegativeButton("取消", null)
                     .show();
         }
@@ -182,6 +172,7 @@ public class MainActivity extends AppCompatActivity implements NavigationView.On
             updateMainButton(R.string.button_text_deactivate);
             Daedalus.updateShortcut(getApplicationContext());
         }
+        super.onActivityResult(request, result, data);
     }
 
     private void updateMainButton(int id) {
diff --git a/app/src/main/java/org/itxtech/daedalus/fragment/ConfigFragment.java b/app/src/main/java/org/itxtech/daedalus/fragment/ConfigFragment.java
index 33a54e2..9f08c2c 100644
--- a/app/src/main/java/org/itxtech/daedalus/fragment/ConfigFragment.java
+++ b/app/src/main/java/org/itxtech/daedalus/fragment/ConfigFragment.java
@@ -1,8 +1,8 @@
 package org.itxtech.daedalus.fragment;
 
 import android.content.Intent;
-import android.preference.PreferenceFragment;
 import androidx.appcompat.widget.Toolbar;
+import androidx.preference.PreferenceFragmentCompat;
 
 /**
  * Daedalus Project
@@ -15,7 +15,7 @@ import androidx.appcompat.widget.Toolbar;
  * the Free Software Foundation, either version 3 of the License, or
  * (at your option) any later version.
  */
-abstract public class ConfigFragment extends PreferenceFragment implements Toolbar.OnMenuItemClickListener {
+abstract public class ConfigFragment extends PreferenceFragmentCompat implements Toolbar.OnMenuItemClickListener {
     protected Intent intent = null;
 
     public void setIntent(Intent intent) {
diff --git a/app/src/main/java/org/itxtech/daedalus/fragment/DNSServerConfigFragment.java b/app/src/main/java/org/itxtech/daedalus/fragment/DNSServerConfigFragment.java
index 411eaed..06b0bb2 100644
--- a/app/src/main/java/org/itxtech/daedalus/fragment/DNSServerConfigFragment.java
+++ b/app/src/main/java/org/itxtech/daedalus/fragment/DNSServerConfigFragment.java
@@ -2,7 +2,7 @@ package org.itxtech.daedalus.fragment;
 
 import android.app.AlertDialog;
 import android.os.Bundle;
-import android.preference.EditTextPreference;
+import androidx.preference.EditTextPreference;
 import android.view.LayoutInflater;
 import android.view.MenuItem;
 import android.view.View;
@@ -29,8 +29,7 @@ public class DNSServerConfigFragment extends ConfigFragment {
     private int index;
 
     @Override
-    public void onCreate(Bundle savedInstanceState) {
-        super.onCreate(savedInstanceState);
+    public void onCreatePreferences(Bundle savedInstanceState, String rootKey) {
         addPreferencesFromResource(R.xml.perf_server);
     }
 
@@ -38,19 +37,19 @@ public class DNSServerConfigFragment extends ConfigFragment {
     public View onCreateView(LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) {
         View view = super.onCreateView(inflater, container, savedInstanceState);
 
-        EditTextPreference serverName = (EditTextPreference) findPreference("serverName");
+        EditTextPreference serverName = findPreference("serverName");
         serverName.setOnPreferenceChangeListener((preference, newValue) -> {
             preference.setSummary((String) newValue);
             return true;
         });
 
-        EditTextPreference serverAddress = (EditTextPreference) findPreference("serverAddress");
+        EditTextPreference serverAddress = findPreference("serverAddress");
         serverAddress.setOnPreferenceChangeListener((preference, newValue) -> {
             preference.setSummary((String) newValue);
             return true;
         });
 
-        EditTextPreference serverPort = (EditTextPreference) findPreference("serverPort");
+        EditTextPreference serverPort = findPreference("serverPort");
         serverPort.setOnPreferenceChangeListener((preference, newValue) -> {
             preference.setSummary((String) newValue);
             return true;
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 79353b9..6864fe0 100644
--- a/app/src/main/java/org/itxtech/daedalus/fragment/GlobalConfigFragment.java
+++ b/app/src/main/java/org/itxtech/daedalus/fragment/GlobalConfigFragment.java
@@ -2,7 +2,7 @@ package org.itxtech.daedalus.fragment;
 
 import android.content.Intent;
 import android.os.Bundle;
-import android.preference.*;
+import androidx.preference.*;
 import org.itxtech.daedalus.Daedalus;
 import org.itxtech.daedalus.R;
 import org.itxtech.daedalus.activity.AppFilterActivity;
@@ -20,12 +20,10 @@ import org.itxtech.daedalus.util.server.DNSServerHelper;
  * the Free Software Foundation, either version 3 of the License, or
  * (at your option) any later version.
  */
-public class GlobalConfigFragment extends PreferenceFragment {
+public class GlobalConfigFragment extends PreferenceFragmentCompat {
 
     @Override
-    public void onCreate(Bundle savedInstanceState) {
-        super.onCreate(savedInstanceState);
-
+    public void onCreatePreferences(Bundle savedInstanceState, String rootKey) {
         Daedalus.getPrefs().edit()
                 .putString("primary_server", DNSServerHelper.getPrimary())
                 .putString("secondary_server", DNSServerHelper.getSecondary())
@@ -33,7 +31,7 @@ public class GlobalConfigFragment extends PreferenceFragment {
 
         addPreferencesFromResource(R.xml.perf_settings);
 
-        ListPreference primaryServer = (ListPreference) findPreference("primary_server");
+        ListPreference primaryServer = findPreference("primary_server");
         primaryServer.setEntries(DNSServerHelper.getNames(Daedalus.getInstance()));
         primaryServer.setEntryValues(DNSServerHelper.getIds());
         primaryServer.setSummary(DNSServerHelper.getDescription(primaryServer.getValue(), Daedalus.getInstance()));
@@ -42,7 +40,7 @@ public class GlobalConfigFragment extends PreferenceFragment {
             return true;
         });
 
-        ListPreference secondaryServer = (ListPreference) findPreference("secondary_server");
+        ListPreference secondaryServer = findPreference("secondary_server");
         secondaryServer.setEntries(DNSServerHelper.getNames(Daedalus.getInstance()));
         secondaryServer.setEntryValues(DNSServerHelper.getIds());
         secondaryServer.setSummary(DNSServerHelper.getDescription(secondaryServer.getValue(), Daedalus.getInstance()));
@@ -51,21 +49,21 @@ public class GlobalConfigFragment extends PreferenceFragment {
             return true;
         });
 
-        EditTextPreference testDNSServers = (EditTextPreference) findPreference("dns_test_servers");
+        EditTextPreference testDNSServers = findPreference("dns_test_servers");
         testDNSServers.setSummary(testDNSServers.getText());
         testDNSServers.setOnPreferenceChangeListener((preference, newValue) -> {
             preference.setSummary((String) newValue);
             return true;
         });
 
-        EditTextPreference logSize = (EditTextPreference) findPreference("settings_log_size");
+        EditTextPreference logSize = findPreference("settings_log_size");
         logSize.setSummary(logSize.getText());
         logSize.setOnPreferenceChangeListener((preference, newValue) -> {
             preference.setSummary((String) newValue);
             return true;
         });
 
-        SwitchPreference darkTheme = (SwitchPreference) findPreference("settings_dark_theme");
+        SwitchPreference darkTheme = findPreference("settings_dark_theme");
         darkTheme.setOnPreferenceChangeListener((preference, o) -> {
             getActivity().startActivity(new Intent(Daedalus.getInstance(), MainActivity.class)
                     .putExtra(MainActivity.LAUNCH_FRAGMENT, MainActivity.FRAGMENT_SETTINGS)
@@ -73,13 +71,13 @@ public class GlobalConfigFragment extends PreferenceFragment {
             return true;
         });
 
-        SwitchPreference advanced = (SwitchPreference) findPreference("settings_advanced_switch");
+        SwitchPreference advanced = findPreference("settings_advanced_switch");
         advanced.setOnPreferenceChangeListener((preference, newValue) -> {
             updateOptions((boolean) newValue, "settings_advanced");
             return true;
         });
 
-        SwitchPreference appFilter = (SwitchPreference) findPreference("settings_app_filter_switch");
+        SwitchPreference appFilter = findPreference("settings_app_filter_switch");
         appFilter.setOnPreferenceChangeListener((p, w) -> {
             updateOptions((boolean) w, "settings_app_filter");
             return true;
@@ -115,7 +113,7 @@ public class GlobalConfigFragment extends PreferenceFragment {
     }
 
     private void updateOptions(boolean checked, String pref) {
-        PreferenceCategory category = (PreferenceCategory) findPreference(pref);
+        PreferenceCategory category = 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/fragment/RuleConfigFragment.java b/app/src/main/java/org/itxtech/daedalus/fragment/RuleConfigFragment.java
index 860c83c..d02bddf 100644
--- a/app/src/main/java/org/itxtech/daedalus/fragment/RuleConfigFragment.java
+++ b/app/src/main/java/org/itxtech/daedalus/fragment/RuleConfigFragment.java
@@ -7,8 +7,8 @@ import android.net.Uri;
 import android.os.Bundle;
 import android.os.Handler;
 import android.os.Message;
-import android.preference.EditTextPreference;
-import android.preference.ListPreference;
+import androidx.preference.EditTextPreference;
+import androidx.preference.ListPreference;
 import android.view.LayoutInflater;
 import android.view.MenuItem;
 import android.view.View;
@@ -72,10 +72,8 @@ public class RuleConfigFragment extends ConfigFragment {
         }
     }
 
-
     @Override
-    public void onCreate(Bundle savedInstanceState) {
-        super.onCreate(savedInstanceState);
+    public void onCreatePreferences(Bundle savedInstanceState, String rootKey) {
         addPreferencesFromResource(R.xml.perf_rule);
     }
 
@@ -85,13 +83,13 @@ public class RuleConfigFragment extends ConfigFragment {
 
         mHandler = new RuleConfigHandler().setView(view);
 
-        final EditTextPreference ruleName = (EditTextPreference) findPreference("ruleName");
+        final EditTextPreference ruleName = findPreference("ruleName");
         ruleName.setOnPreferenceChangeListener((preference, newValue) -> {
             preference.setSummary((String) newValue);
             return true;
         });
 
-        final ListPreference ruleType = (ListPreference) findPreference("ruleType");
+        final ListPreference ruleType = findPreference("ruleType");
         final String[] entries = {"Hosts", "DNSMasq"};
         String[] values = {"0", "1"};
         ruleType.setEntries(entries);
@@ -101,19 +99,19 @@ public class RuleConfigFragment extends ConfigFragment {
             return true;
         });
 
-        final EditTextPreference ruleDownloadUrl = (EditTextPreference) findPreference("ruleDownloadUrl");
+        final EditTextPreference ruleDownloadUrl = findPreference("ruleDownloadUrl");
         ruleDownloadUrl.setOnPreferenceChangeListener((preference, newValue) -> {
             preference.setSummary((String) newValue);
             return true;
         });
 
-        final EditTextPreference ruleFilename = (EditTextPreference) findPreference("ruleFilename");
+        final EditTextPreference ruleFilename = findPreference("ruleFilename");
         ruleFilename.setOnPreferenceChangeListener((preference, newValue) -> {
             preference.setSummary((String) newValue);
             return true;
         });
 
-        ClickPreference ruleSync = (ClickPreference) findPreference("ruleSync");
+        ClickPreference ruleSync = findPreference("ruleSync");
         ruleSync.setOnPreferenceClickListener(preference -> {
             save();
             if (mThread == null) {
@@ -167,7 +165,7 @@ public class RuleConfigFragment extends ConfigFragment {
             return false;
         });
 
-        ListPreference ruleImportBuildIn = (ListPreference) findPreference("ruleImportBuildIn");
+        ListPreference ruleImportBuildIn = findPreference("ruleImportBuildIn");
         ruleImportBuildIn.setEntries(Rule.getBuildInRuleNames());
         ruleImportBuildIn.setEntryValues(Rule.getBuildInRuleEntries());
         ruleImportBuildIn.setOnPreferenceChangeListener((preference, newValue) -> {
@@ -183,7 +181,7 @@ public class RuleConfigFragment extends ConfigFragment {
             return true;
         });
 
-        ClickPreference ruleImportExternal = (ClickPreference) findPreference("ruleImportExternal");
+        ClickPreference ruleImportExternal = findPreference("ruleImportExternal");
         ruleImportExternal.setOnPreferenceClickListener(preference -> {
             performFileSearch();
             return false;
diff --git a/app/src/main/java/org/itxtech/daedalus/fragment/SettingsFragment.java b/app/src/main/java/org/itxtech/daedalus/fragment/SettingsFragment.java
index 41e1620..28419ac 100644
--- a/app/src/main/java/org/itxtech/daedalus/fragment/SettingsFragment.java
+++ b/app/src/main/java/org/itxtech/daedalus/fragment/SettingsFragment.java
@@ -1,7 +1,5 @@
 package org.itxtech.daedalus.fragment;
 
-import android.app.FragmentManager;
-import android.os.Build;
 import android.os.Bundle;
 import android.view.LayoutInflater;
 import android.view.View;
@@ -28,13 +26,7 @@ public class SettingsFragment extends ToolbarFragment {
     @Override
     public void onViewCreated(View view, Bundle savedInstanceState) {
         super.onViewCreated(view, savedInstanceState);
-        FragmentManager fm;
-        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.JELLY_BEAN_MR1) {
-            fm = getChildFragmentManager();
-        } else {
-            fm = getFragmentManager();
-        }
-        fm.beginTransaction().replace(R.id.settings_content, new GlobalConfigFragment()).commit();
+        getChildFragmentManager().beginTransaction().replace(R.id.settings_content, new GlobalConfigFragment()).commit();
     }
 
     @Override
diff --git a/app/src/main/java/org/itxtech/daedalus/fragment/ToolbarFragment.java b/app/src/main/java/org/itxtech/daedalus/fragment/ToolbarFragment.java
index 7c8ff05..adfa8de 100644
--- a/app/src/main/java/org/itxtech/daedalus/fragment/ToolbarFragment.java
+++ b/app/src/main/java/org/itxtech/daedalus/fragment/ToolbarFragment.java
@@ -1,10 +1,10 @@
 package org.itxtech.daedalus.fragment;
 
-import android.app.Fragment;
 import android.os.Bundle;
 import android.view.Menu;
 import android.view.View;
 import androidx.appcompat.widget.Toolbar;
+import androidx.fragment.app.Fragment;
 import com.google.android.material.navigation.NavigationView;
 import org.itxtech.daedalus.R;
 
diff --git a/app/src/main/java/org/itxtech/daedalus/provider/UdpProvider.java b/app/src/main/java/org/itxtech/daedalus/provider/UdpProvider.java
index c51f5d3..6e08604 100644
--- a/app/src/main/java/org/itxtech/daedalus/provider/UdpProvider.java
+++ b/app/src/main/java/org/itxtech/daedalus/provider/UdpProvider.java
@@ -168,7 +168,10 @@ public class UdpProvider extends Provider {
         }
 
         if (!(parsedPacket.getPayload() instanceof UdpPacket)) {
-            Log.i(TAG, "handleDnsRequest: Discarding unknown packet type " + parsedPacket.getPayload());
+            try {
+                Log.i(TAG, "handleDnsRequest: Discarding unknown packet type " + parsedPacket.getPayload());
+            } catch (Exception ignored) {
+            }
             return;
         }
 
diff --git a/app/src/main/java/org/itxtech/daedalus/widget/ClickPreference.java b/app/src/main/java/org/itxtech/daedalus/widget/ClickPreference.java
index 432bc04..4640abf 100644
--- a/app/src/main/java/org/itxtech/daedalus/widget/ClickPreference.java
+++ b/app/src/main/java/org/itxtech/daedalus/widget/ClickPreference.java
@@ -1,7 +1,7 @@
 package org.itxtech.daedalus.widget;
 
 import android.content.Context;
-import android.preference.ListPreference;
+import androidx.preference.ListPreference;
 import android.util.AttributeSet;
 
 /**
diff --git a/build.gradle b/build.gradle
index f553388..da4865c 100644
--- a/build.gradle
+++ b/build.gradle
@@ -9,9 +9,9 @@ buildscript {
         }
     }
     dependencies {
-        classpath 'com.android.tools.build:gradle:3.5.0'
+        classpath 'com.android.tools.build:gradle:3.5.1'
         classpath 'com.google.gms:google-services:4.3.2'
-        classpath 'io.fabric.tools:gradle:1.28.1'
+        classpath 'io.fabric.tools:gradle:1.31.0'
     }
 }