diff --git a/app/src/main/java/io/legato/kazusa/ui/main/MainActivity.kt b/app/src/main/java/io/legato/kazusa/ui/main/MainActivity.kt
index 6211f1b5b..5b1da3a51 100644
--- a/app/src/main/java/io/legato/kazusa/ui/main/MainActivity.kt
+++ b/app/src/main/java/io/legato/kazusa/ui/main/MainActivity.kt
@@ -381,7 +381,7 @@ class MainActivity : VMBaseActivity<ActivityMainBinding, MainViewModel>(),
         realPositions[index] = idMy
         bottomMenuCount = index + 1
 
-        adapter.notifyDataSetChanged()
+        binding.viewPagerMain.adapter = TabFragmentPageAdapter(this)
 
         if (AppConfig.showBottomView) {
             val navView = getNavigationBarView()
@@ -544,12 +544,11 @@ class MainActivity : VMBaseActivity<ActivityMainBinding, MainViewModel>(),
         }
 
         override fun containsItem(itemId: Long): Boolean {
-            return realPositions.map { getFragmentId(it).toLong() }.contains(itemId)
+            return (0 until bottomMenuCount).any { getItemId(it) == itemId }
         }
+
     }
 
-
-
 }