fix bug"

app/helpers/welcome_helper.rb

@@ -105,7 +105,7 @@ module WelcomeHelper
     searchStudent(project).count
   end
   def find_new_forum_topics limit=9
-    Memo.where('memos.parent_id IS NULL').reorder('ORDER BY memos.created_at DESC').limit(limit)
+    Memo.where('memos.parent_id IS NULL').reorder('memos.created_at DESC').limit(limit)
     # activity = Redmine::Activity::Fetcher.new(nil)
     # activity.scope=['memos']
     # activity.events_welcome(nil, nil, {:limit => limit})