首页报500

app/views/organizations/_org_course_homework.html.erb

@@ -183,7 +183,7 @@
             <div class="mt10 relatePWrap" id="relatePWrap_<%=user_activity_id %>">
               <div class="mr5 fontGrey2">
                 <% first_pro = project_sort_first(projects).first %>
-                #&nbsp;<%=time_from_now first_pro.first.updated_at %><%= link_to User.find(first_pro.first.user_id).show_name, user_activities_url_in_org(first_pro.first.user_id), :class => "newsBlue ml5 mr5"%>更新了项目，最近更新：
+                #&nbsp;<%=time_from_now first_pro.updated_at %><%= link_to User.find(first_pro.user_id).show_name, user_activities_url_in_org(first_pro.user_id), :class => "newsBlue ml5 mr5"%>更新了项目，最近更新：
               </div>
               <div class="cl"></div>
               <% sort_projects.each_with_index do |pro, i| %>

app/views/users/_course_homework.html.erb

@@ -192,7 +192,7 @@
             <div class="mt10 relatePWrap" id="relatePWrap_<%=user_activity_id %>">
               <div class="mr5 fontGrey2">
                 <% first_pro = project_sort_first(projects).first %>
-                #&nbsp;<%=time_from_now first_pro.first.updated_at %><%= link_to User.find(first_pro.first.user_id).show_name, user_activities_path(first_pro.first.user_id), :class => "newsBlue ml5 mr5"%>更新了项目，最近更新：
+                #&nbsp;<%=time_from_now first_pro.updated_at %><%= link_to User.find(first_pro.user_id).show_name, user_activities_path(first_pro.user_id), :class => "newsBlue ml5 mr5"%>更新了项目，最近更新：
               </div>
             <div class="cl"></div>
             <% sort_projects.each_with_index do |pro, i| %>