diff --git a/app/helpers/admin/announcements_helper.rb b/app/helpers/admin/announcements_helper.rb
index b6b90f1..60b9c73 100644
--- a/app/helpers/admin/announcements_helper.rb
+++ b/app/helpers/admin/announcements_helper.rb
@@ -65,31 +65,31 @@ module Admin::AnnouncementsHelper
         anns.remote_image_url = val
       when 8
         value["en"] = val
-        anns.image_description_translations = value
+        anns.image_description_translations = value.clone
       when 9
         value["zh_tw"] = val
-        anns.image_description_translations = value
+        anns.image_description_translations = value.clone
         value = {}
       when 10
         value["en"] = val
-        anns.title_translations = value
+        anns.title_translations = value.clone
       when 11
         value["zh_tw"] = val
-        anns.title_translations = value
+        anns.title_translations = value.clone
         value = {}
       when 12
         value["en"] = val
-        anns.subtitle_translations = value
+        anns.subtitle_translations = value.clone
       when 13
         value["zh_tw"] = val
-        anns.subtitle_translations = value
+        anns.subtitle_translations = value.clone
         value = {}
       when 14
         value["en"] = val
-        anns.text_translations = value
+        anns.text_translations = value.clone
       when 15
         value["zh_tw"] = val
-        anns.text_translations = value
+        anns.text_translations = value.clone
         value = {}
       when 16
         links = val.split(";") rescue []