diff --git a/app/helpers/organizations_helper.rb b/app/helpers/organizations_helper.rb
index 48b5f068b..048d92458 100644
--- a/app/helpers/organizations_helper.rb
+++ b/app/helpers/organizations_helper.rb
@@ -18,6 +18,12 @@ module OrganizationsHelper
       s + content_tag('ul', links,:class => 'wlist',:style=>'float:left !important', :id => "org_member_pagination_links" )
   end
 
+  # 获取项目动态更新时间
+  def get_forge_act_message(act, type)
+    forge_act = ForgeActivity.where(:forge_act_id => act.id, :forge_act_type => type).first
+    format_time(forge_act.nil? ? act.created_on : forge_act.try(:updated_at))
+  end
+
   def get_default_name field
     case field.name
       when 'activity' then
diff --git a/app/views/users/_project_message.html.erb b/app/views/users/_project_message.html.erb
index 0a5c18a9b..9727b685c 100644
--- a/app/views/users/_project_message.html.erb
+++ b/app/views/users/_project_message.html.erb
@@ -29,7 +29,7 @@
         发帖时间：<%= format_time(activity.created_on) %>
       </div>
       <div class="homepagePostDate fl ml15">
-        更新时间：<%= format_time(ForgeActivity.where("forge_act_type='#{activity.class}' and forge_act_id =#{activity.id}").first.updated_at) %>
+        更新时间：<%= get_forge_act_message(activity, activity.class) %>
       </div>
       <div class="cl"></div>
       <% if activity.parent_id.nil? %>