diff --git a/app/views/admin/courses.html.erb b/app/views/admin/courses.html.erb
index 8e2f146a0..65e442a3e 100644
--- a/app/views/admin/courses.html.erb
+++ b/app/views/admin/courses.html.erb
@@ -25,10 +25,10 @@
       <th style="width: 30px;">
         序号
       </th>
-      <th style="width: 120px;">
+      <th style="width: 85px;">
         课程
       </th>
-      <th style="width: 50px;">
+      <th style="width: 35px;">
         主讲老师
       </th>
       <th style="width: 30px;">
@@ -37,9 +37,12 @@
       <th style="width: 20px;">
         <%=l(:field_is_public)%>
       </th>
-      <th style="width: 70px;">
+      <th style="width: 60px;">
         <%=l(:field_created_on)%>
       </th>
+      <th style="width: 65px;">
+        动态时间
+      </th>
     </tr>
     </thead>
     <tbody>
@@ -65,6 +68,9 @@
           <td class="center">
             <%= format_date(course.created_at) %>
           </td>
+          <td class="center">
+            <%= course.updated_at.strftime('%Y-%m-%d %H:%M:%S') %>
+          </td>
         </tr>
     <% end %>
     </tbody>