diff --git a/app/views/organizations/_org_course_homework.html.erb b/app/views/organizations/_org_course_homework.html.erb
index 4ac2ebcbf..64c032518 100644
--- a/app/views/organizations/_org_course_homework.html.erb
+++ b/app/views/organizations/_org_course_homework.html.erb
@@ -211,7 +211,7 @@
                     <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 time %>
+                      更新时间：<%=time_from_now !com_time.nil? && format_time(com_time) > format_time(time) ? com_time : time %>
                     </div>
                   </div>
                   <% if i == 9 && projects.count > 10 %>
diff --git a/app/views/users/_course_homework.html.erb b/app/views/users/_course_homework.html.erb
index 2a4704c24..c48b23667 100644
--- a/app/views/users/_course_homework.html.erb
+++ b/app/views/users/_course_homework.html.erb
@@ -220,7 +220,7 @@
                 <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 time %>
+                  更新时间：<%=time_from_now !com_time.nil? && format_time(com_time) > format_time(time) ? com_time : 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 7af8ada43..7402cee9f 100644
--- a/app/views/users/_user_homework_detail.html.erb
+++ b/app/views/users/_user_homework_detail.html.erb
@@ -225,7 +225,7 @@
                     <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 time %>
+                      更新时间：<%=time_from_now !com_time.nil? && format_time(com_time) > format_time(time) ? com_time : time %>
                     </div>
                   </div>
                   <% if i == 9 && projects.count > 10 %>