diff --git a/app/views/users/_project_boardlist.html.erb b/app/views/users/_project_boardlist.html.erb
index 5f61d26ef..55f576db1 100644
--- a/app/views/users/_project_boardlist.html.erb
+++ b/app/views/users/_project_boardlist.html.erb
@@ -44,7 +44,7 @@
                   <% end %>
                   <p><%=render :partial =>"users/intro_content_ex", :locals=>{:user_activity_id =>activity.id, :content=>content, :maxheight=>54, :maxwordsnum=>100} %></p>
                 </div>
-                <div class="ml15 mt10">
+                <div class="ml15 mt10 f12">
                   <span class="grayTxt">发帖时间：<%= format_time(activity.created_on) %></span>
                   <span class="grayTxt">更新时间：<%= format_time(ForgeActivity.where("forge_act_type='#{activity.class}' and forge_act_id =#{activity.id}").first.updated_at) %></span>
                   <% count=0 %>