diff --git a/app/build.gradle b/app/build.gradle
index 54006a273..16f8dcd52 100644
--- a/app/build.gradle
+++ b/app/build.gradle
@@ -26,7 +26,7 @@ android {
         minSdkVersion 21
         targetSdkVersion 30
         versionCode 50
-        versionName "0.1.4.20"
+        versionName "0.1.4.22"
         testInstrumentationRunner "androidx.test.runner.AndroidJUnitRunner"
         kapt {
             arguments {
diff --git a/app/src/main/java/net/xzos/upgradeall/ui/activity/MainActivity.kt b/app/src/main/java/net/xzos/upgradeall/ui/activity/MainActivity.kt
index f0a7fe6bf..160072cb7 100644
--- a/app/src/main/java/net/xzos/upgradeall/ui/activity/MainActivity.kt
+++ b/app/src/main/java/net/xzos/upgradeall/ui/activity/MainActivity.kt
@@ -7,7 +7,6 @@ import android.view.MenuItem
 import android.view.ViewTreeObserver
 import android.widget.FrameLayout
 import android.widget.LinearLayout
-import android.widget.Toast
 import androidx.appcompat.app.ActionBarDrawerToggle
 import androidx.coordinatorlayout.widget.CoordinatorLayout
 import androidx.core.view.GravityCompat
@@ -35,8 +34,8 @@ import net.xzos.upgradeall.ui.viewmodels.pageradapter.AppTabSectionsPagerAdapter
 import net.xzos.upgradeall.utils.MiscellaneousUtils
 import net.xzos.upgradeall.utils.ToastUtil
 import net.xzos.upgradeall.utils.UiUtils
+import net.xzos.upgradeall.utils.egg
 import net.xzos.upgradeall.utils.file.FileUtil.NAV_IMAGE_FILE
-import java.util.*
 
 class MainActivity : BaseActivity(), NavigationView.OnNavigationItemSelectedListener {
 
@@ -76,7 +75,7 @@ class MainActivity : BaseActivity(), NavigationView.OnNavigationItemSelectedList
             itemBackground = UiUtils.createItemBackgroundMd2(this@MainActivity)
         }
 
-        showToast()
+        egg()
         PreferencesMap.initByActivity(this)
     }
 
@@ -235,14 +234,6 @@ class MainActivity : BaseActivity(), NavigationView.OnNavigationItemSelectedList
         navHeaderImageView.setImageDrawable(null)
     }
 
-    private fun showToast() {
-        val cal = Calendar.getInstance()
-        val month = cal.get(Calendar.MONTH) + 1
-        val day = cal.get(Calendar.DATE)
-        if (month == 10 && day == 31)
-            ToastUtil.makeText("\uD83E\uDD70\uD83D\uDE0B\uD83D\uDE1D\uD83D\uDE09", Toast.LENGTH_LONG)
-    }
-
     companion object {
 
         // Fragment 跳转
diff --git a/app/src/main/java/net/xzos/upgradeall/utils/egg.kt b/app/src/main/java/net/xzos/upgradeall/utils/egg.kt
new file mode 100644
index 000000000..7fa253ec0
--- /dev/null
+++ b/app/src/main/java/net/xzos/upgradeall/utils/egg.kt
@@ -0,0 +1,17 @@
+package net.xzos.upgradeall.utils
+
+import android.widget.Toast
+import java.util.*
+
+fun egg() {
+    val cal = Calendar.getInstance()
+    val month = cal.get(Calendar.MONTH) + 1
+    val day = cal.get(Calendar.DATE)
+    when {
+        month == 10 && day == 31 -> halloweenAndBirthday()
+    }
+}
+
+fun halloweenAndBirthday() {
+    MiscellaneousUtils.showToast("\uD83C\uDF6C\uD83E\uDD70\uD83D\uDE0B\uD83D\uDE1D\uD83D\uDE09", Toast.LENGTH_LONG)
+}