diff --git a/app/build.gradle b/app/build.gradle
index eaf6019..c06ec3f 100644
--- a/app/build.gradle
+++ b/app/build.gradle
@@ -16,8 +16,8 @@ android {
         applicationId "com.uiui.aios"
         minSdkVersion 24
         targetSdkVersion 29
-        versionCode 44
-        versionName "5.3"
+        versionCode 45
+        versionName "5.4"
 
         testInstrumentationRunner "androidx.test.runner.AndroidJUnitRunner"
 
diff --git a/app/src/main/AndroidManifest.xml b/app/src/main/AndroidManifest.xml
index 5be463b..4245787 100644
--- a/app/src/main/AndroidManifest.xml
+++ b/app/src/main/AndroidManifest.xml
@@ -4,6 +4,12 @@
     package="com.uiui.aios"
     android:sharedUserId="android.uid.system">
 
+    <queries>
+        <intent>
+            <action android:name="android.intent.action.MAIN" />
+        </intent>
+    </queries>
+
     <uses-permission android:name="android.permission.WAKE_LOCK" />
 
     <!-- 清单文件中， 申明监听通话精确状态权限，该权限需要android:sharedUserId="android.uid.system" -->
diff --git a/app/src/main/java/com/uiui/aios/activity/main/MainActivity.java b/app/src/main/java/com/uiui/aios/activity/main/MainActivity.java
index 30a8d51..1fc480a 100644
--- a/app/src/main/java/com/uiui/aios/activity/main/MainActivity.java
+++ b/app/src/main/java/com/uiui/aios/activity/main/MainActivity.java
@@ -356,6 +356,13 @@ public class MainActivity extends BaseActivity implements MainContact.MainView {
             ToastUtil.show("请授予\"" + getString(R.string.app_name) + "\"使用通知权");
             gotoNotificationAccessSetting(this);
         }
+        int is_activation = Settings.Global.getInt(getContentResolver(), "uiui_activation", 0);
+        Log.e(TAG, "onHomePressed: is_activation = " + is_activation);
+        if (is_activation == 1) {
+            LauncherUtils.setDefaultDesktop(MainActivity.this, BuildConfig.APPLICATION_ID, this.getClass().getName());
+        } else {
+            LauncherUtils.setDefaultDesktop(MainActivity.this, LauncherUtils.Launcher3, LauncherUtils.Launcher3Class);
+        }
         addData();
         mMainPresenter.sendRunningInfo();
         mMainPresenter.getAdminSnSetting();
diff --git a/app/src/main/java/com/uiui/aios/utils/ApkUtils.java b/app/src/main/java/com/uiui/aios/utils/ApkUtils.java
index 1108548..d81dd33 100644
--- a/app/src/main/java/com/uiui/aios/utils/ApkUtils.java
+++ b/app/src/main/java/com/uiui/aios/utils/ApkUtils.java
@@ -212,11 +212,11 @@ public class ApkUtils {
         for (ApplicationInfo applicationInfo : infoHashMap.values()) {
             desktopIcons.add(DesktopIcon.creatDesktopIcon(context, applicationInfo));
         }
-//        DesktopIcon exitIcon = new DesktopIcon();
-//        exitIcon.setIcon(context.getDrawable(R.drawable.exit_icon));
-//        exitIcon.setLable("切换系统");
-//        exitIcon.setPackageName("aios.exit");
-//        desktopIcons.add(exitIcon);
+        DesktopIcon exitIcon = new DesktopIcon();
+        exitIcon.setIcon(context.getDrawable(R.drawable.exit_icon));
+        exitIcon.setLable("切换系统");
+        exitIcon.setPackageName("aios.exit");
+        desktopIcons.add(exitIcon);
         return desktopIcons;
     }
 
diff --git a/app/src/main/java/com/uiui/aios/utils/LauncherUtils.java b/app/src/main/java/com/uiui/aios/utils/LauncherUtils.java
index 83bfff8..6c3a9de 100644
--- a/app/src/main/java/com/uiui/aios/utils/LauncherUtils.java
+++ b/app/src/main/java/com/uiui/aios/utils/LauncherUtils.java
@@ -22,8 +22,10 @@ public class LauncherUtils {
 
     public static void openLauncher3(Context context) {
         setDefaultDesktop(context, Launcher3, Launcher3Class);
-//        ApkUtils.openPackage(mContext, Launcher3);
-        gotoLauncher(context);
+        if (!ApkUtils.openPackage(context, Launcher3)) {
+            setDefaultDesktop(context, Launcher3, Launcher3Class);
+            gotoLauncher(context);
+        }
     }
 
     public static void gotoLauncher(Context context) {
@@ -33,8 +35,8 @@ public class LauncherUtils {
         context.startActivity(i);
     }
 
-    private static String Launcher3 = "com.android.launcher3";
-    private static String Launcher3Class = "com.android.launcher3.Launcher";
+    public static final String Launcher3 = "com.android.launcher3";
+    public static final String Launcher3Class = "com.android.launcher3.Launcher";
 
     public static void setDefaultDesktop(Context context, String pkg, String className) {
         if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.Q) {