diff --git a/app/controllers/announcements_controller.rb b/app/controllers/announcements_controller.rb
index d6355c5..e81c146 100644
--- a/app/controllers/announcements_controller.rb
+++ b/app/controllers/announcements_controller.rb
@@ -113,7 +113,7 @@ class AnnouncementsController < ApplicationController
     tags = OrbitHelper.widget_tags || []
     cats = OrbitHelper.widget_categories || []
     subpart = OrbitHelper.get_current_widget
-    anns_cache = AnnsCache.where(parent_id: subpart.id)  
+    anns_cache = AnnsCache.where(parent_id: subpart.id,locale: I18n.locale.to_s)
     widget_data_count = OrbitHelper.widget_data_count
     if !(defined? SiteFeed).nil? || anns_cache.count != 1 || is_random
       page = Page.where(:module => "announcement").first rescue nil
@@ -128,7 +128,7 @@ class AnnouncementsController < ApplicationController
         if anns_cache.count > 1
           anns_cache.destroy
         end
-        AnnsCache.create(parent_id: subpart.id,filter_result: sorted_anns.map{|v| v.id})
+        AnnsCache.create(parent_id: subpart.id,locale: I18n.locale.to_s,filter_result: sorted_anns.map{|v| v.id})
       else
         sorted_anns = sorted_anns.sample(widget_data_count)
       end
diff --git a/app/models/anns_cache.rb b/app/models/anns_cache.rb
index 444b620..881ca02 100644
--- a/app/models/anns_cache.rb
+++ b/app/models/anns_cache.rb
@@ -2,6 +2,5 @@ class AnnsCache
   include Mongoid::Document
   field :parent_id
 	field :filter_result,type: Array,default: []
-  field :tag_ids,type: Array,default: []
-  field :cat_ids,type: Array,default: []
+  field :locale,type: String,default: 'zh_tw'
 end
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