diff --git a/app/CMakeLists.txt b/app/CMakeLists.txt
index 72991d0..02d6e29 100644
--- a/app/CMakeLists.txt
+++ b/app/CMakeLists.txt
@@ -5,6 +5,8 @@
 
 cmake_minimum_required(VERSION 3.4.1)
 
+project("ttstd")
+
 # Creates and names a library, sets it as either STATIC
 # or SHARED, and provides the relative paths to its source code.
 # You can define multiple libraries, and CMake builds them for you.
@@ -41,4 +43,6 @@ target_link_libraries( # Specifies the target library.
 
         # Links the target library to the log library
         # included in the NDK.
-        ${log-lib})
\ No newline at end of file
+        ${log-lib})
+
+set_target_properties(ttstd PROPERTIES LINK_FLAGS "-Wl,-z,max-page-size=16384")
\ No newline at end of file
diff --git a/app/src/main/AndroidManifest.xml b/app/src/main/AndroidManifest.xml
index 6294571..8a92b45 100644
--- a/app/src/main/AndroidManifest.xml
+++ b/app/src/main/AndroidManifest.xml
@@ -187,6 +187,16 @@
             android:exported="true"
             android:permission="android.permission.BIND_VOICE_INTERACTION" />
 
+        <service
+            android:name=".service.MyRecognitionService"
+            android:exported="true"
+            android:label="拨号助手识别"
+            android:permission="android.permission.BIND_RECOGNITION_SERVICE">
+            <intent-filter>
+                <action android:name="android.speech.RecognitionService" />
+            </intent-filter>
+        </service>
+
         <!--        <receiver-->
         <!--            android:name=".receiver.AppChangedReceiver"-->
         <!--            android:enabled="true"-->
diff --git a/app/src/main/java/com/ttstd/dialer/activity/settings/utils/SettingsUtilsActivity.java b/app/src/main/java/com/ttstd/dialer/activity/settings/utils/SettingsUtilsActivity.java
index d632e12..c40a2a0 100644
--- a/app/src/main/java/com/ttstd/dialer/activity/settings/utils/SettingsUtilsActivity.java
+++ b/app/src/main/java/com/ttstd/dialer/activity/settings/utils/SettingsUtilsActivity.java
@@ -3,8 +3,10 @@ package com.ttstd.dialer.activity.settings.utils;
 import android.content.Intent;
 import android.graphics.Bitmap;
 import android.graphics.BitmapFactory;
+import android.provider.Settings;
 import android.view.View;
 
+import com.ttstd.dialer.service.MyVoiceInteractionService;
 import com.ttstd.dialer.view.SwitchButton;
 import com.tencent.mmkv.MMKV;
 import com.ttstd.dialer.R;
@@ -115,6 +117,26 @@ public class SettingsUtilsActivity extends BaseMvvmActivity<SettingsUtilsViewMod
             }
         });
 
+        mViewDataBinding.siAssistant.setOnToggleChanged(new SwitchButton.OnCheckedChangeListener() {
+            @Override
+            public void onCheckedChanged(SwitchButton view, boolean isChecked) {
+                if (isChecked) {
+                    if (!SystemUtils.isAssistantServiceEnabled(SettingsUtilsActivity.this, MyVoiceInteractionService.class.getName())) {
+                        boolean success = SystemUtils.setAssistantService(SettingsUtilsActivity.this, MyVoiceInteractionService.class.getName());
+                        if (!success) {
+                            Intent intent = new Intent(Settings.ACTION_VOICE_INPUT_SETTINGS);
+                            startActivity(intent);
+                        }
+                    }
+                } else {
+                    if (SystemUtils.isAssistantServiceEnabled(SettingsUtilsActivity.this, MyVoiceInteractionService.class.getName())) {
+                        Intent intent = new Intent(Settings.ACTION_VOICE_INPUT_SETTINGS);
+                        startActivity(intent);
+                    }
+                }
+            }
+        });
+
     }
 
     @Override
@@ -140,6 +162,10 @@ public class SettingsUtilsActivity extends BaseMvvmActivity<SettingsUtilsViewMod
         int enableHourlyChime = mMMKV.decodeInt(CommonConfig.HOURLY_CHIME_ENABLE, 0);
         Logger.e(TAG, "initView: enableHourlyChime = " + enableHourlyChime);
         mViewDataBinding.siHourlyChime.setToggleStatu(enableHourlyChime == 1);
+
+        boolean assistantEnabled = SystemUtils.isAssistantServiceEnabled(this, MyVoiceInteractionService.class.getName());
+        Logger.e(TAG, "initView: assistantEnabled = " + assistantEnabled);
+        mViewDataBinding.siAssistant.setToggleStatu(assistantEnabled);
     }
 
     public class BtnClick {
diff --git a/app/src/main/java/com/ttstd/dialer/service/MyRecognitionService.java b/app/src/main/java/com/ttstd/dialer/service/MyRecognitionService.java
new file mode 100644
index 0000000..4a8fdaa
--- /dev/null
+++ b/app/src/main/java/com/ttstd/dialer/service/MyRecognitionService.java
@@ -0,0 +1,22 @@
+package com.ttstd.dialer.service;
+
+import android.content.Intent;
+import android.speech.RecognitionService;
+import com.ttstd.dialer.utils.Logger;
+
+public class MyRecognitionService extends RecognitionService {
+    @Override
+    protected void onStartListening(Intent recognizerIntent, Callback listener) {
+        Logger.d("MyRecognitionService", "onStartListening");
+    }
+
+    @Override
+    protected void onCancel(Callback listener) {
+        Logger.d("MyRecognitionService", "onCancel");
+    }
+
+    @Override
+    protected void onStopListening(Callback listener) {
+        Logger.d("MyRecognitionService", "onStopListening");
+    }
+}
diff --git a/app/src/main/java/com/ttstd/dialer/utils/SystemUtils.java b/app/src/main/java/com/ttstd/dialer/utils/SystemUtils.java
index a458f6a..2e91cb9 100644
--- a/app/src/main/java/com/ttstd/dialer/utils/SystemUtils.java
+++ b/app/src/main/java/com/ttstd/dialer/utils/SystemUtils.java
@@ -805,4 +805,34 @@ public class SystemUtils {
         }).subscribe(observer);
     }
 
+    /**
+     * 检查指定的 VoiceInteractionService 是否被设置为系统默认助手
+     */
+    public static boolean isAssistantServiceEnabled(Context context, String serviceName) {
+        String setting = Settings.Secure.getString(context.getContentResolver(), "assistant");
+        if (setting != null) {
+            ComponentName componentName = ComponentName.unflattenFromString(setting);
+            if (componentName != null) {
+                return componentName.getPackageName().equals(context.getPackageName()) &&
+                        componentName.getClassName().equals(serviceName);
+            }
+        }
+        return false;
+    }
+
+    /**
+     * 尝试将当前应用的指定服务设置为系统默认助手（通常需要系统签名或 WRITE_SECURE_SETTINGS 权限）
+     */
+    public static boolean setAssistantService(Context context, String serviceName) {
+        try {
+            String value = context.getPackageName() + "/" + serviceName;
+            boolean success1 = Settings.Secure.putString(context.getContentResolver(), "assistant", value);
+            boolean success2 = Settings.Secure.putString(context.getContentResolver(), "voice_interaction_service", value);
+            return success1 && success2;
+        } catch (Exception e) {
+            Logger.e(TAG, "setAssistantService error: " + e.getMessage());
+            return false;
+        }
+    }
+
 }
diff --git a/app/src/main/res/layout/activity_settings_utils.xml b/app/src/main/res/layout/activity_settings_utils.xml
index 2550f69..df9a993 100644
--- a/app/src/main/res/layout/activity_settings_utils.xml
+++ b/app/src/main/res/layout/activity_settings_utils.xml
@@ -114,6 +114,14 @@
                         app:enableText="@string/enable_text_hourly_chime"
                         app:optionsText="@string/options_text_hourly_chime" />
 
+                    <com.ttstd.dialer.view.SettingItem
+                        android:id="@+id/si_assistant"
+                        android:layout_width="match_parent"
+                        android:layout_height="wrap_content"
+                        app:disableText="@string/disable_text_assistant"
+                        app:enableText="@string/enable_text_assistant"
+                        app:optionsText="@string/options_text_assistant" />
+
                     <androidx.constraintlayout.widget.ConstraintLayout
                         android:layout_width="match_parent"
                         android:layout_height="@dimen/dp_100">
diff --git a/app/src/main/res/values/strings.xml b/app/src/main/res/values/strings.xml
index b088ee2..eff0178 100644
--- a/app/src/main/res/values/strings.xml
+++ b/app/src/main/res/values/strings.xml
@@ -48,6 +48,10 @@
     <string name="options_text_hourly_chime">开启整点报时</string>
     <string name="enable_text_hourly_chime">已开启，整点时将自动语音报时</string>
     <string name="disable_text_hourly_chime">未开启，整点时将自动语音报时</string>
+
+    <string name="options_text_assistant">系统辅助助理</string>
+    <string name="enable_text_assistant">已开启，可识别屏幕内容和提供语音建议</string>
+    <string name="disable_text_assistant">未开启，点击开启设置</string>
     <!--utils end-->
 
 </resources>
diff --git a/app/src/main/res/xml/voice_interaction_service.xml b/app/src/main/res/xml/voice_interaction_service.xml
index 1394e15..ee543a8 100644
--- a/app/src/main/res/xml/voice_interaction_service.xml
+++ b/app/src/main/res/xml/voice_interaction_service.xml
@@ -1,7 +1,7 @@
 <?xml version="1.0" encoding="utf-8"?>
 <voice-interaction-service xmlns:android="http://schemas.android.com/apk/res/android"
     android:sessionService="com.ttstd.dialer.service.MyVoiceInteractionSessionService"
-    android:recognitionService="com.ttstd.dialer.service.MyVoiceInteractionService"
+    android:recognitionService="com.ttstd.dialer.service.MyRecognitionService"
     android:supportsAssist="true"
-    android:supportsLaunchFromKeyguard="true"
+    android:supportsLaunchVoiceAssistFromKeyguard="true"
     android:supportsLocalInteraction="true" />