项目创建动态报500

app/views/organizations/_project_create.html.erb

@@ -23,7 +23,7 @@
         创建时间：<%= format_time(project.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：<%= format_time(ForgeActivity.where("forge_act_type='ProjectCreateInfo' and forge_act_id =#{project.id}").first.updated_at) %>
       </div>
       <div class="cl"></div>
       <div class="homepagePostSetting" id="act-<%= user_activity_id %>" style="visibility: hidden">

app/views/projects/_project_create.html.erb

@@ -18,9 +18,13 @@
       <div class="homepagePostTitle break_word" >
         <%= link_to project.name, project_path(project.id,:host=>Setting.host_course), :class => "postGrey" %>
       </div>
-      <div class="homepagePostDate">
+      <div class="homepagePostDate fl">
         创建时间：<%= format_time(project.created_on) %>
       </div>
+      <div class="homepagePostDate fl ml15">
+        更新时间：<%= format_time(ForgeActivity.where("forge_act_type='ProjectCreateInfo' and forge_act_id =#{project.id}").first.updated_at) %>
+      </div>
+      <div class="cl"></div>
       <div class="homepagePostSetting" id="act-<%= user_activity_id %>" style="visibility: hidden">
         <ul>
           <li class="homepagePostSettingIcon">

app/views/users/_project_create.html.erb

@@ -23,7 +23,7 @@
         创建时间：<%= format_time(project.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：<%= format_time(ForgeActivity.where("forge_act_type='ProjectCreateInfo' and forge_act_id =#{project.id}").first.updated_at) %>
       </div>
       <div class="cl"></div>
       <div class="homepagePostSetting" id="act-<%= user_activity_id %>" style="visibility: hidden">

db/schema.rb

@@ -11,7 +11,7 @@
 #
 # It's strongly recommended to check this file into your version control system.
 
-ActiveRecord::Schema.define(:version => 20160113064153) do
+ActiveRecord::Schema.define(:version => 20160113090435) do
 
   create_table "activities", :force => true do |t|
     t.integer  "act_id",                                  :null => false