diff --git a/app/controllers/bids_controller.rb b/app/controllers/bids_controller.rb
index 5ee3d4823..49fa45d3e 100644
--- a/app/controllers/bids_controller.rb
+++ b/app/controllers/bids_controller.rb
@@ -181,6 +181,7 @@ class BidsController < ApplicationController
     end
   end
 
+  #将某个企业外包需求选为作业，目前此功能已放弃
   def create_fork
     @homework = Bid.new
     @homework.name = params[:bid][:name]
@@ -215,6 +216,7 @@ class BidsController < ApplicationController
     end
   end
 
+  #有两个路由链接到此方法：/bids/:id    /calls/:id但是貌似这两个路由都不能访问。。方法作用有待确认
   def show
     @user = @bid.author
     @jours = @bid.journals_for_messages.where('m_parent_id IS NULL').order('created_on DESC')
@@ -250,40 +252,31 @@ class BidsController < ApplicationController
     else
       @state = 1
     end
-
     respond_to do |format|
-      # format.html { redirect_to_referer_or {render :text => (watching ? 'Watcher added.' : 'Watcher removed.'), :layout => true}}
-      # TO_DO
       format.js { render :partial => 'set_join', :locals => {:user => User.current, :object_id => params[:id]} }
     end
   end
 
   def unjoin_in_contest
-
     joined = JoinInContest.where('bid_id = ? and user_id = ?', @bid.id, User.current.id)
-
     joined.each do |join|
       join.delete
     end
-
     respond_to do |format|
-      # format.html { redirect_to_referer_or {render :text => (watching ? 'Watcher added.' : 'Watcher removed.'), :layout => true}}
       format.js { render :partial => 'set_join', :locals => {:user => User.current, :object_id => params[:id]} }
     end
   end
 
   def new_join
-    # added by fq
-
 
   end
 
   # added by bai 增加了参与者和竞赛设置
   def show_participator
     render :layout => 'base_contest'
-
   end
 
+  #配置竞赛
   def settings
     if  @bid.author.id == User.current.id
       if @bid.reward_type == 2
@@ -296,7 +289,7 @@ class BidsController < ApplicationController
   end
   #end
 
-  # 显示课程
+  # 显示课程作业，但是好像已经废弃
   def show_course
     bids = Bid.where('parent_id = ?', @bid.id)
     @courses = []