diff --git a/app/build.gradle b/app/build.gradle
index 2fc66c3..c07d295 100644
--- a/app/build.gradle
+++ b/app/build.gradle
@@ -7,8 +7,8 @@ android {
     defaultConfig {
         applicationId "pakutoma.iijmiocouponwidget"
         minSdkVersion 21
-        versionCode 8
-        versionName "2.3 Hotfix 1"
+        versionCode 9
+        versionName "2.3 Hotfix 2"
         targetSdkVersion 30
     }
     buildTypes {
diff --git a/app/src/main/java/pakutoma/iijmiocouponwidget/widget/SwitchWidget.kt b/app/src/main/java/pakutoma/iijmiocouponwidget/widget/SwitchWidget.kt
index e62c868..cbf7f6e 100644
--- a/app/src/main/java/pakutoma/iijmiocouponwidget/widget/SwitchWidget.kt
+++ b/app/src/main/java/pakutoma/iijmiocouponwidget/widget/SwitchWidget.kt
@@ -37,23 +37,25 @@ class SwitchWidget : AppWidgetProvider() {
     override fun onReceive(context: Context, intent: Intent) {
         super.onReceive(context, intent)
         if (intent.action == Intent.ACTION_BOOT_COMPLETED) {
+            registerNotificationChannel(context)
             startFetchRemainsService(context)
         }
         if(intent.action == Intent.ACTION_MY_PACKAGE_REPLACED) {
-            registerFetchRemainsJobService(context)
             registerNotificationChannel(context)
+            registerFetchRemainsJobService(context)
             startFetchRemainsService(context)
         }
     }
 
     override fun onEnabled(context: Context) {
         super.onEnabled(context)
-        registerFetchRemainsJobService(context)
         registerNotificationChannel(context)
+        registerFetchRemainsJobService(context)
     }
 
     override fun onUpdate(context: Context, appWidgetManager: AppWidgetManager, appWidgetIds: IntArray) {
         super.onUpdate(context, appWidgetManager, appWidgetIds)
+        registerNotificationChannel(context)
         startFetchRemainsService(context)
     }
 
@@ -71,7 +73,7 @@ class SwitchWidget : AppWidgetProvider() {
                 val channel = NotificationChannel(
                         NOTIFICATION_CHANNEL_ID,
                         context.getString(R.string.switch_service),
-                        NotificationManager.IMPORTANCE_MIN
+                        NotificationManager.IMPORTANCE_LOW
                 )
                 manager.createNotificationChannel(channel)
             }