diff --git a/app/controllers/application_controller.rb b/app/controllers/application_controller.rb
index 8381170c..5535a0cd 100644
--- a/app/controllers/application_controller.rb
+++ b/app/controllers/application_controller.rb
@@ -622,16 +622,12 @@ class ApplicationController < ActionController::Base
   ## Please added code in html.
   # <div class="pagination"><%= pagination_links_full @obj_pages, @obj_count, :per_page_links => false %></div>
   def paginateHelper obj, pre_size=20
-    # current_count = pre_size * (params['page'].to_i - 1) if params['page'].to_i > 0
-    offset, limit = api_offset_and_limit({:limit => pre_size})
-    objs_all = obj
     @obj_count = objs_all.count
     @obj_pages = Paginator.new @obj_count, limit, params['page']
-    offset ||= @obj_pages.offset
     if obj.kind_of? ActiveRecord::Base or obj.kind_of?  ActiveRecord::Relation
-      obj.offset(offset).limit(limit).all
+      obj.limit(@obj_pages.per_page).offset(@obj_pages.offset).all
     elsif obj.kind_of? Array
-      obj[offset..(offset+limit-1)]
+      obj[@obj_pages.offset, @obj_pages.per_page]
     else
       logger.error "[ApplicationController] Error : application_controller#paginateHelper ===> unknow category: #{obj.class}"
       nil