diff --git a/app/helpers/application_helper.rb b/app/helpers/application_helper.rb
index efce039aa..a71208248 100644
--- a/app/helpers/application_helper.rb
+++ b/app/helpers/application_helper.rb
@@ -2992,6 +2992,7 @@ int main(int argc, char** argv){
     unless projects.empty?
       project_ids = '('+projects.map{|pro|pro.project_id}.join(',')+')'
       sort_projects = ForgeActivity.find_by_sql("SELECT MAX(updated_at) AS updated_at,user_id, project_id FROM forge_activities WHERE project_id IN #{project_ids} GROUP BY project_id ORDER BY MAX(updated_at) DESC")
+      
       return sort_projects
     end
   end
diff --git a/app/views/users/_course_homework.html.erb b/app/views/users/_course_homework.html.erb
index 783193e46..7b51ef568 100644
--- a/app/views/users/_course_homework.html.erb
+++ b/app/views/users/_course_homework.html.erb
@@ -223,15 +223,13 @@
                     <%= image_tag(url_to_avatar(project),:width=>"40",:height => "40",:class => "borderRadius relatePImage",: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 %>
                 <% forge_time=ForgeActivity.where("project_id=?",project.id).last.updated_at if ForgeActivity.where("project_id=?",project.id).last %>
-                <% time= time > forge_time ? time : forge_time %>
                 <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 !com_time.nil? && format_time(com_time) > format_time(time) ? com_time : 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_time(forge_time) ? com_time : forge_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 />
-                  更新时间：<%=time_from_now !com_time.nil? && format_time(com_time) > format_time(time) ? com_time : time %>
+                  更新时间：<%=time_from_now !com_time.nil? && format_time(com_time) > format_time(forge_time) ? com_time : forge_time %>
                 </div>
               </div>
               <% if i == 9 && projects.count > 10 %>
diff --git a/app/views/users/_user_homework_detail.html.erb b/app/views/users/_user_homework_detail.html.erb
index 4c8e17d5d..1b9490918 100644
--- a/app/views/users/_user_homework_detail.html.erb
+++ b/app/views/users/_user_homework_detail.html.erb
@@ -233,15 +233,13 @@
                         <%= image_tag(url_to_avatar(project),:width=>"40",:height => "40",:class => "borderRadius relatePImage",: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 %>
                     <% forge_time=ForgeActivity.where("project_id=?",project.id).last.updated_at if ForgeActivity.where("project_id=?",project.id).last %>
-                    <% time= time > forge_time ? time : forge_time %>
                     <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 !com_time.nil? && format_time(com_time) > format_time(time) ? com_time : 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_time(forge_time) ? com_time : forge_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 />
-                      更新时间：<%=time_from_now !com_time.nil? && format_time(com_time) > format_time(time) ? com_time : time %>
+                      更新时间：<%=time_from_now !com_time.nil? && format_time(com_time) > format_time(forge_time) ? com_time : forge_time %>
                     </div>
                   </div>
                   <% if i == 9 && projects.count > 10 %>