@ -5,7 +5,7 @@ class Forum < ActiveRecord::Base
has_many :memos, :dependent => :destroy, conditions: "parent_id IS NULL"
belongs_to :creator, :class_name => "User", :foreign_key => 'creator_id'
after_create :expire_forum_cache, :send_email
after_create :expire_forum_cache
after_update :expire_forum_cache
before_destroy :expire_forum_cache
safe_attributes 'name',