diff --git a/app/controllers/default_widget_controller.rb b/app/controllers/default_widget_controller.rb
index fa7d12636..fc80c3347 100644
--- a/app/controllers/default_widget_controller.rb
+++ b/app/controllers/default_widget_controller.rb
@@ -18,11 +18,11 @@ class DefaultWidgetController< OrbitWidgetController
     if !params["tag_id"].blank?
       if params["category_id"].blank? #has tag no cate
         result =  eval(@ori_query)
-        result.selector[:tagged_ids] = { "$in" => params['tag_id'].collect{|t| BSON::ObjectId(t)}}
+        result.selector[:tagged_ids] = { "$in" => params['tag_id'] }
       else #has tag and cate
         result =  eval(@ori_query)
         result.selector[get_category_field_name] = { "$in" => params['category_id'].collect{|t| BSON::ObjectId(t)}}
-        result.selector[:tagged_ids] = { "$in" => params['tag_id'].collect{|t| BSON::ObjectId(t)}}
+        result.selector[:tagged_ids] = { "$in" => params['tag_id'] }
       end
     elsif params["category_id"].blank?  #no tag no cate
       result = eval(@ori_query)