diff --git a/app/views/organizations/_org_course_homework.html.erb b/app/views/organizations/_org_course_homework.html.erb
index 88170dc2d..3446a86d4 100644
--- a/app/views/organizations/_org_course_homework.html.erb
+++ b/app/views/organizations/_org_course_homework.html.erb
@@ -190,10 +190,11 @@
                     <% else %>
                         <%= image_tag(url_to_avatar(project),:width=>"40",:height => "40",:class => "borderRadius",:id=>"project_img_"+project.id.to_s+"_"+activity.id.to_s,:alt =>"项目头像") %>
                     <% end %>
+                    <% com_time = project.project_score.commit_time %>
                     <% time=project.updated_on %>
                     <% time=ForgeActivity.where("project_id=?",project.id).last.updated_at if ForgeActivity.where("project_id=?",project.id).last %>
                     <p class="mh18"><span class="captainName" title="<%=(User.find project.user_id).show_name %>"><%=(User.find project.user_id).show_name %></span><span style="vertical-align: top;">(组长)</span></p>
-                    <p class="mh18"><%=time_from_now time %>&nbsp;&nbsp;<%= project.project_score.changeset_num %>提交</p>
+                    <p class="mh18"><%=time_from_now !com_time.nil? && format_time(com_time) > format_timetime ? com_time : time %>&nbsp;&nbsp;<%= project.project_score.changeset_num %>提交</p>
                     <div class="relatePInfo" id="relatePInfo_<%=project.id %>_<%=activity.id %>">
                       项目名称：<%=project.name %><br />
                       创建者：<%=(User.find project.user_id).show_name %>(组长)<br />
diff --git a/app/views/users/_course_homework.html.erb b/app/views/users/_course_homework.html.erb
index e6ed73036..5be1334c3 100644
--- a/app/views/users/_course_homework.html.erb
+++ b/app/views/users/_course_homework.html.erb
@@ -189,10 +189,11 @@
                 <% else %>
                     <%= image_tag(url_to_avatar(project),:width=>"40",:height => "40",:class => "borderRadius",:id=>"project_img_"+project.id.to_s+"_"+activity.id.to_s,:alt =>"项目头像") %>
                 <% end %>
+                <% com_time = project.project_score.commit_time %>
                 <% time=project.updated_on %>
                 <% time=ForgeActivity.where("project_id=?",project.id).last.updated_at if ForgeActivity.where("project_id=?",project.id).last %>
                 <p class="mh18"><span class="captainName" title="<%=(User.find project.user_id).show_name %>"><%=(User.find project.user_id).show_name %></span><span style="vertical-align: top;">(组长)</span></p>
-                <p class="mh18"><%=time_from_now time %>&nbsp;&nbsp;<%= project.project_score.changeset_num %>提交</p>
+                <p class="mh18"><%=time_from_now !com_time.nil? && format_time(com_time) > format_timetime ? com_time : time %>&nbsp;&nbsp;<%= project.project_score.changeset_num %>提交</p>
                 <div class="relatePInfo" id="relatePInfo_<%=project.id %>_<%=activity.id %>">
                   项目名称：<%=project.name %><br />
                   创建者：<%=(User.find project.user_id).show_name %>(组长)<br />
diff --git a/app/views/users/_user_homework_detail.html.erb b/app/views/users/_user_homework_detail.html.erb
index bf24ea3b2..04c8b8f0a 100644
--- a/app/views/users/_user_homework_detail.html.erb
+++ b/app/views/users/_user_homework_detail.html.erb
@@ -156,7 +156,7 @@
                       <% break %>
                   <% end %>
               <% end %>
-              <% if student_works > 5%>
+              <% if student_works.count > 5%>
                 <%= link_to "更多>>", student_work_index_path(:homework => homework_common.id),:class=>'linkGrey2 fl ml50',:style=>'margin-top:60px;'%>
               <% end %>
               <div class="cl"></div>
@@ -191,10 +191,11 @@
                     <% else %>
                         <%= image_tag(url_to_avatar(project),:width=>"40",:height => "40",:class => "borderRadius",:id=>"project_img_"+project.id.to_s+"_"+homework_common.id.to_s,:alt =>"项目头像") %>
                     <% end %>
+                    <% com_time = project.project_score.commit_time %>
                     <% time=project.updated_on %>
                     <% time=ForgeActivity.where("project_id=?",project.id).last.updated_at if ForgeActivity.where("project_id=?",project.id).last %>
                     <p class="mh18"><span class="captainName" title="<%=(User.find project.user_id).show_name %>"><%=(User.find project.user_id).show_name %></span><span style="vertical-align: top;">(组长)</span></p>
-                    <p class="mh18"><%=time_from_now time %>&nbsp;&nbsp;<%= project.project_score.changeset_num %>提交</p>
+                    <p class="mh18"><%=time_from_now !com_time.nil? && format_time(com_time) > format_timetime ? com_time : time %>&nbsp;&nbsp;<%= project.project_score.changeset_num %>提交</p>
                     <div class="relatePInfo" id="relatePInfo_<%=project.id %>_<%=homework_common.id %>">
                       项目名称：<%=project.name %><br />
                       创建者：<%=(User.find project.user_id).show_name %>(组长)<br />
diff --git a/db/migrate/20160122023014_add_commit_time.rb b/db/migrate/20160122023014_add_commit_time.rb
new file mode 100644
index 000000000..d9b860073
--- /dev/null
+++ b/db/migrate/20160122023014_add_commit_time.rb
@@ -0,0 +1,27 @@
+class AddCommitTime < ActiveRecord::Migration
+  def up
+    add_column :project_scores, :commit_time, :datetime, :default => nil
+    count = ProjectScore.all.count / 30 + 2
+    transaction do
+      for i in 1 ... count do i
+        ProjectScore.page(i).per(30).each do |ps|
+          unless ps.project.nil?
+            unless ps.project.gpid.nil?
+              g = Gitlab.client
+              begin
+                changesets = g.commits(ps.project.gpid)
+                ps.commit_time = changesets[0].created_at
+                ps.save
+              rescue
+                logger.error("The project's rep is not exit!")
+              end
+            end
+          end
+        end
+      end
+    end
+  end
+
+  def down
+  end
+end