1.组织翻页增加type参数；

2.删除组织表中冗余的项目动态和课程动态。

app/views/organizations/_org_activities.html.erb

@@ -56,7 +56,7 @@
 <% end %>
 
 <% if org_act_count == 10 %>
-    <div id="show_more_activities" class="loadMore mt10 f_grey">展开更多<%=link_to "", organization_path(org,:page => page.to_i + 1),:id => "more_org_activities_link",:remote => "true",:class => "none" %></div>
+    <div id="show_more_activities" class="loadMore mt10 f_grey">展开更多<%=link_to "", organization_path(org,:page => page.to_i + 1, :type => params[:type]),:id => "more_org_activities_link",:remote => "true",:class => "none" %></div>
     <%#= link_to "点击展开更多",user_activities_path(@user.id,:type => type,:page => page),:id => "show_more_activities",:remote => "true",:class => "loadMore mt10 f_grey"%>
 <% end%>
 

db/migrate/20151124032319_delete_useless_org_activities.rb

@@ -0,0 +1,18 @@
+class DeleteUselessOrgActivities < ActiveRecord::Migration
+  def up
+    OrgActivity.all.each do |act|
+      if act.container_type == 'Course'
+        if CourseActivity.where("course_act_type=? and course_act_id =? and course_id =?", act.org_act_type, act.org_act_id, act.container_id).count == 0
+          puts "course"
+        end
+      else
+        if act.container_type == 'Project' and ForgeActivity.where("forge_act_type=? and forge_act_id =? and project_id =?", act.org_act_type, act.org_act_id, act.container_id).count == 0
+          act.destroy
+        end
+      end
+    end
+  end
+
+  def down
+  end
+end