diff --git a/app/controllers/repositories_controller.rb b/app/controllers/repositories_controller.rb
index cb6d770fb..aa160acfd 100644
--- a/app/controllers/repositories_controller.rb
+++ b/app/controllers/repositories_controller.rb
@@ -554,11 +554,13 @@ class RepositoriesController < ApplicationController
     graph.burn
   end
   def check_hidden_repo
-    project = Project.find_by_id(params[:id])
+    project = Project.find(params[:id])
     if !User.current.member_of?(project)
       if project.hidden_repo
         render_403
       end
     end
+  rescue ActiveRecord::RecordNotFound
+    render_404
   end
 end
diff --git a/app/views/bids/_history.html.erb b/app/views/bids/_history.html.erb
index 082286e27..2f627fa1d 100644
--- a/app/views/bids/_history.html.erb
+++ b/app/views/bids/_history.html.erb
@@ -31,11 +31,19 @@
     <td colspan="2" valign="top" width="50" ><%= image_tag(url_to_avatar(journal.user), :class => "avatar") %></td>
     <td><table width="580px" border="0">
       <tr>
-      	<% if @bid.reward_type == 3 %>      	
-        <td colspan="2" valign="top"><strong> <%=link_to journal.user, user_path(journal.user)%></strong> <span class="font_lighter"><%= l(:label_question_requirement) %></span></td>
-        <% else %>
-        <td colspan="2" valign="top"><strong> <%=link_to journal.user, user_path(journal.user)%></strong> <span class="font_lighter"><%= l(:label_respond_requirement) %></span></td>      
-        <% end %>
+        <% label = '';
+        case @bid.reward_type
+          when 1
+            label = l(:label_respond_requirement)
+          when 2
+            label = l(:label_contest_requirement)
+          when 3
+            label = l(:label_question_requirement)
+          else
+            
+        end
+        %>  	
+        <td colspan="2" valign="top"><strong> <%=link_to journal.user, user_path(journal.user)%></strong> <span class="font_lighter"><%= label %></span></td>
         </tr>
         
       <tr>
diff --git a/config/locales/en.yml b/config/locales/en.yml
index 18ead1dad..11ad0d5f9 100644
--- a/config/locales/en.yml
+++ b/config/locales/en.yml
@@ -1519,6 +1519,7 @@ en:
   label_contest_list: Contests list
   label_newtype_contest: Release contest
   label_question_requirement: introduce a question！
+  label_contest_requirement: has commented this contest
   button_bidding_homework: To take part in contest
   label_bids_form_contest_new_description: Enterprise or college can release a contest here.
   label_contest_name: Input the name of the contest
diff --git a/config/locales/zh.yml b/config/locales/zh.yml
index 695dc04af..342a2e9d6 100644
--- a/config/locales/zh.yml
+++ b/config/locales/zh.yml
@@ -1361,6 +1361,7 @@ zh:
   label_my_respond: 问题交流请踩这里^-^
   label_my_question: 请在此处留下您的意见或者问题~  # modified by bai
   label_respond_requirement: 对需求进行了反馈
+  label_contest_requirement: 对竞赛进行了反馈
   label_question_requirement: 对作业提出了问题！
   label_deadline: 投资时限yyyy-mm-dd
   label_requirement_name: 在此输入需求名称