diff --git a/app/src/main/java/com/huanchengfly/tieba/post/MainActivityV2.kt b/app/src/main/java/com/huanchengfly/tieba/post/MainActivityV2.kt
index ffe33df9..cae9ce78 100644
--- a/app/src/main/java/com/huanchengfly/tieba/post/MainActivityV2.kt
+++ b/app/src/main/java/com/huanchengfly/tieba/post/MainActivityV2.kt
@@ -44,8 +44,8 @@ import com.huanchengfly.tieba.post.ui.utils.isSeparating
 import com.huanchengfly.tieba.post.utils.AccountUtil
 import com.huanchengfly.tieba.post.utils.JobServiceUtil
 import com.huanchengfly.tieba.post.utils.PermissionUtils
-import com.huanchengfly.tieba.post.utils.ReceiverUtil
 import com.huanchengfly.tieba.post.utils.TiebaUtil
+import com.huanchengfly.tieba.post.utils.newIntentFilter
 import com.huanchengfly.tieba.post.utils.requestPermission
 import com.ramcosta.composedestinations.DestinationsNavHost
 import com.ramcosta.composedestinations.animations.defaults.RootNavGraphDefaultAnimations
@@ -137,7 +137,7 @@ class MainActivityV2 : BaseComposeActivity() {
             ContextCompat.registerReceiver(
                 this,
                 newMessageReceiver,
-                ReceiverUtil.createIntentFilter(NotifyJobService.ACTION_NEW_MESSAGE),
+                newIntentFilter(NotifyJobService.ACTION_NEW_MESSAGE),
                 ContextCompat.RECEIVER_NOT_EXPORTED
             )
             startService(Intent(this, NotifyJobService::class.java))
diff --git a/app/src/main/java/com/huanchengfly/tieba/post/activities/MainActivity.kt b/app/src/main/java/com/huanchengfly/tieba/post/activities/MainActivity.kt
index 44f0f897..61a79393 100644
--- a/app/src/main/java/com/huanchengfly/tieba/post/activities/MainActivity.kt
+++ b/app/src/main/java/com/huanchengfly/tieba/post/activities/MainActivity.kt
@@ -268,13 +268,13 @@ open class MainActivity : BaseActivity(), NavigationBarView.OnItemSelectedListen
         ContextCompat.registerReceiver(
             this,
             newMessageReceiver,
-            ReceiverUtil.createIntentFilter(NotifyJobService.ACTION_NEW_MESSAGE),
+            newIntentFilter(NotifyJobService.ACTION_NEW_MESSAGE),
             ContextCompat.RECEIVER_NOT_EXPORTED
         )
         ContextCompat.registerReceiver(
             this,
             accountSwitchReceiver,
-            ReceiverUtil.createIntentFilter(AccountUtil.ACTION_SWITCH_ACCOUNT),
+            newIntentFilter(AccountUtil.ACTION_SWITCH_ACCOUNT),
             ContextCompat.RECEIVER_NOT_EXPORTED
         )
         try {
diff --git a/app/src/main/java/com/huanchengfly/tieba/post/utils/ReceiverUtil.kt b/app/src/main/java/com/huanchengfly/tieba/post/utils/ReceiverUtil.kt
index 280aa0ce..3a39ab10 100644
--- a/app/src/main/java/com/huanchengfly/tieba/post/utils/ReceiverUtil.kt
+++ b/app/src/main/java/com/huanchengfly/tieba/post/utils/ReceiverUtil.kt
@@ -1,11 +1,8 @@
-package com.huanchengfly.tieba.post.utils;
+package com.huanchengfly.tieba.post.utils
 
-import android.content.IntentFilter;
+import android.content.IntentFilter
 
-public class ReceiverUtil {
-    public static IntentFilter createIntentFilter(String action) {
-        IntentFilter filter = new IntentFilter();
-        filter.addAction(action);
-        return filter;
-    }
-}
+fun newIntentFilter(action: String) =
+    IntentFilter().apply {
+        addAction(action)
+    }
\ No newline at end of file