diff --git a/app/helpers/admin/asks_helper.rb b/app/helpers/admin/asks_helper.rb
index ffd950a..85474c6 100644
--- a/app/helpers/admin/asks_helper.rb
+++ b/app/helpers/admin/asks_helper.rb
@@ -19,9 +19,9 @@ module Admin::AsksHelper
       if char_count <= 1
         cleaned
       elsif char_count <= 3
-        cleaned[0] + '⬤⬤'
+        cleaned[0] + '〇〇'
       else
-        cleaned[0..1] + '⬤⬤'
+        cleaned[0..1] + '〇〇'
       end
     else
       cleaned = name.gsub(/\p{Han}/, '')