diff --git a/app/controllers/bids_controller.rb b/app/controllers/bids_controller.rb
index 97ebb4d49..c0df0699c 100644
--- a/app/controllers/bids_controller.rb
+++ b/app/controllers/bids_controller.rb
@@ -878,7 +878,7 @@ class BidsController < ApplicationController
 
   def find_bid
     if params[:id]
-      @bid = Bid.find(params[:id])
+      @bid = Bid.find(params[:id], :include => [{:homeworks => :user}])
       @user = @bid.author
     end
   rescue
diff --git a/app/views/bids/_homework_list.html.erb b/app/views/bids/_homework_list.html.erb
index 5e041065d..48f1c150d 100644
--- a/app/views/bids/_homework_list.html.erb
+++ b/app/views/bids/_homework_list.html.erb
@@ -99,7 +99,7 @@
 					</tr>
 					<tr>
 						<td valign="top">&nbsp;
-                            <% if is_cur_course_user? @bid %>
+                            <% if User.current.member_of?(@bid.courses.first) %>
                                 <strong><%= l(:label_bidding_user_studentcode) %>&nbsp; ：&nbsp;<%= homework.user.user_extensions.student_id%></strong>
                             <% end %>
 						</td>
@@ -112,20 +112,6 @@
                           <% end %>
                         </td>
 					</tr>
-
-                    <!--
-					<tr>
-						<td colspan="2" width="580px" >
-                        <% if (User.current == homework.user) || (!Member.where('user_id = ? and project_id = ?', User.current.id, @bid.courses.first.id).first.nil? && (Member.where('user_id = ? and project_id = ?', User.current.id, @bid.courses.first.id).first.roles&Role.where('id = ? or id = ? or id =?',3,7, 9)).size >0) %>
-                            <p class="font_description">
-                                <% options = {:author => true, :deletable => attach_delete(homework)} %>
-                                <%= render :partial => 'attachments/links',
-                                           :locals => {:attachments => homework.attachments, :options => options} %>
-                            </p>
-                        <% end %>
-						</td>
-					</tr>
-					-->
 				</table>
 			</td>
 		</tr>