diff --git a/app/controllers/bids_controller.rb b/app/controllers/bids_controller.rb
index aeaf19b4..15e612fc 100644
--- a/app/controllers/bids_controller.rb
+++ b/app/controllers/bids_controller.rb
@@ -730,6 +730,7 @@ class BidsController < ApplicationController
       end
     end
     @homework_list = @bid.homeworks
+    @homework = HomeworkAttach.new
 
   end
 
diff --git a/app/helpers/welcome_helper.rb b/app/helpers/welcome_helper.rb
index 779228ce..703917c4 100644
--- a/app/helpers/welcome_helper.rb
+++ b/app/helpers/welcome_helper.rb
@@ -19,8 +19,7 @@
 
 module WelcomeHelper
 
-  StudentRoles = [5, 10]
-
+  include CoursesHelper
 
   def find_all_hot_project
     sort_project_by_hot
@@ -101,13 +100,7 @@ module WelcomeHelper
     end
     str.html_safe
   end
-  
-   # 返回学生数量，即roles表中定义的Reporter
-  def studentCount project
-    # searchCountByRoles project,StudentRoles
-    # or
-    searchStudent(project).count
-  end
+
   def find_new_forum_topics limit=7
     Memo.where('memos.parent_id IS NULL').reorder('memos.created_at DESC').limit(limit)
     # activity = Redmine::Activity::Fetcher.new(nil)
@@ -204,18 +197,4 @@ module WelcomeHelper
     end
   end
   
-  def searchStudent project
-    searchPeopleByRoles(project, StudentRoles)
-  end
-  
-   def searchPeopleByRoles project, roles_id
-    people = []
-    begin
-      people = project.members.joins(:member_roles).where("member_roles.role_id IN (:role_id)", {:role_id => roles_id})
-    rescue Exception => e
-      logger.error "[CoursesHelper] ===> #{e}"
-    end
-    people
-  end
-
 end
diff --git a/app/views/bids/_homework.html.erb b/app/views/bids/_homework.html.erb
index a7a1df85..79d10bff 100644
--- a/app/views/bids/_homework.html.erb
+++ b/app/views/bids/_homework.html.erb
@@ -6,7 +6,7 @@
 		<legend>
 			<%= l(:label_attachment_plural) %>
 		</legend>
-		<p>
+		<p id="put-bid-form-partial">
 			<%= render :partial => 'attachments/form', :locals => {:container => @homework} %>
 		</p>
 	</fieldset>
diff --git a/app/views/bids/add_homework.js.erb b/app/views/bids/add_homework.js.erb
index 7231e64d..90085a50 100644
--- a/app/views/bids/add_homework.js.erb
+++ b/app/views/bids/add_homework.js.erb
@@ -1,4 +1,5 @@
 $('#bidding_project_list').html('<%= escape_javascript(render(:partial => 'homework_list', :locals => {:homework => @homework_list})) %>');
+$('#put-bid-form-partial').html(' <%= escape_javascript( render( :partial => 'attachments/form', :locals => {:container => @homework})  )%>')
 $("#project_id").val("请选择项目");
 $("#bid_message").val( "<%= l(:label_bid_reason) %>" );
 $("#put-bid-form").hide();
\ No newline at end of file
diff --git a/app/views/bids/show_project.html.erb b/app/views/bids/show_project.html.erb
index 68744ee2..be9c9db3 100644
--- a/app/views/bids/show_project.html.erb
+++ b/app/views/bids/show_project.html.erb
@@ -104,7 +104,6 @@
 		<% end %>
 	</div>
 	<% end %>
-<% logger.debug "=============@bidding_project=====================#{@bidding_project.count}" %>
 	<div id='bidding_project_list'>
 	<%= render :partial => 'project_list', :locals => {:bidding_project => @bidding_project,:bid => @bid} %>
 	</div>
diff --git a/app/views/users/show.html.erb b/app/views/users/show.html.erb
index ee6757cf..a3472f04 100644
--- a/app/views/users/show.html.erb
+++ b/app/views/users/show.html.erb
@@ -18,7 +18,7 @@
 	<% unless @activity.empty? %>
 <div id="activity">
 	<% @activity.each do |e| %>
-	<% next if( (e.act_type == 'JournalsForMessage') && !(User.current.id.eql?(params[:id].to_i)) ) %>
+	<% #next if( (e.act_type == 'JournalsForMessage') && !(User.current.id.eql?(params[:id].to_i)) ) %>
 	<% act = e.act %>
 	<% unless act.nil? %>
 	
diff --git a/public/javascripts/attachments.js b/public/javascripts/attachments.js
index 260c060e..86bf0633 100644
--- a/public/javascripts/attachments.js
+++ b/public/javascripts/attachments.js
@@ -12,7 +12,7 @@ function addFile(inputEl, file, eagerUpload) {
     fileSpan.append(
         $('<input>', { type: 'text', 'class': 'filename readonly', name: 'attachments[' + attachmentId + '][filename]', readonly: 'readonly'} ).val(file.name),
         $('<input>', { type: 'text', 'class': 'description', name: 'attachments[' + attachmentId + '][description]', maxlength: 255, placeholder: $(inputEl).data('description-placeholder') } ).toggle(!eagerUpload),
-        $('<a>&nbsp</a>').attr({ href: "#", 'class': 'remove-upload' }).click(removeFile).toggle(!eagerUpload)
+        $('<a>&nbsp</a>').attr({ href: "#", 'class': 'remove-upload', 'data-confirm' : "您确定要删除吗？" }).click(removeFile).toggle(!eagerUpload)
     ).appendTo('#attachments_fields');
 
     if(eagerUpload) {