diff --git a/app/controllers/asks_controller.rb b/app/controllers/asks_controller.rb
index 9124f70..4ffefae 100644
--- a/app/controllers/asks_controller.rb
+++ b/app/controllers/asks_controller.rb
@@ -6,7 +6,7 @@ class AsksController < ApplicationController
   
   def index
     @per_page = 10
-    @asks = Ask.normal.includes(:user,:last_answer,:last_answer_user,:topics).desc(:id).paginate(:page => params[:page], :per_page => @per_page)
+    @asks = Ask.normal.recent.includes(:user,:last_answer,:last_answer_user,:topics).paginate(:page => params[:page], :per_page => @per_page)
   end
 
   def show
diff --git a/app/models/ask.rb b/app/models/ask.rb
index dbe06eb..3793bac 100644
--- a/app/models/ask.rb
+++ b/app/models/ask.rb
@@ -35,6 +35,7 @@ class Ask
   # 正常可显示的问题, 前台调用都带上这个过滤
   scope :normal, where(:spams_count.lt => Setting.ask_spam_max)
   scope :last_actived, desc(:answered_at)
+  scope :recent, desc("$natural")
 
   before_save :fill_default_values
   def fill_default_values