显示帖子的发布者和时间

app/helpers/application_helper.rb

@@ -474,7 +474,7 @@ module ApplicationHelper
   end
   
   def user_url_and_time(user_name, user_url, created)
-    unless user_name.nil?
+    unless user_name.nil? || user_name == ''
       l(:label_added_time_by, :author => link_to(user_name, user_url), :age => time_tag(created)).html_safe
     else
       l(:label_added_time, :age => time_tag(created)).html_safe

app/views/open_source_projects/_show_memo.html.erb

@@ -48,11 +48,11 @@
 				<tr>
 					<td colspan="2" ><span class="font_description"> </span></td>
 				</tr>
-				<!--  <tr>
-					<td align="left" colspan="2" ><span class="font_lighter"><%#= authoring topic.created_at, topic.author %>
+				 <tr>
+					<td align="left" colspan="2" ><span class="font_lighter"><%= user_url_and_time topic.username, topic.userhomeurl, topic.created_at %>
 						<br />
 					</span></td>
-				</tr>  -->
+				</tr> 
 				<tr>
 					<td align="left" colspan="2" >帖子来源：<span class="font_lighter" style="color: #068d9c"><%=link_to 'OSChina', topic.url %>
 					</span></td>