diff --git a/app/services/memos_service.rb b/app/services/memos_service.rb
index 66f62c3d..b1de42c4 100644
--- a/app/services/memos_service.rb
+++ b/app/services/memos_service.rb
@@ -738,7 +738,8 @@ class MemosService
   
   def check_banned_permission current_user, memo_id
     return true if current_user&.admin?
-    forum_id = MemoForum&.where(is_children: false, memo_id: memo_id)&.first.try(:forum_id).to_s
+    # forum_id = MemoForum&.where(is_children: false, memo_id: memo_id)&.first.try(:forum_id).to_s
+    forum_id = Memo.find_by_id(memo_id).try(:forum_section_id)
     user_banned_permission current_user, forum_id
   end