diff --git a/db/migrate/20160223073859_add_publish_to_attachment_histories.rb b/db/migrate/20160223073859_add_publish_to_attachment_histories.rb
new file mode 100644
index 000000000..81533004f
--- /dev/null
+++ b/db/migrate/20160223073859_add_publish_to_attachment_histories.rb
@@ -0,0 +1,6 @@
+class AddPublishToAttachmentHistories < ActiveRecord::Migration
+  def change
+    add_column :attachment_histories, :is_publish, :integer, :default => 1
+    add_column :attachment_histories, :publish_time, :date
+  end
+end
diff --git a/db/schema.rb b/db/schema.rb
index c22b79790..db33479a5 100644
--- a/db/schema.rb
+++ b/db/schema.rb
@@ -11,7 +11,7 @@
 #
 # It's strongly recommended to check this file into your version control system.
 
-ActiveRecord::Schema.define(:version => 20160220100507) do
+ActiveRecord::Schema.define(:version => 20160223073859) do
 
   create_table "activities", :force => true do |t|
     t.integer  "act_id",                                  :null => false
@@ -99,6 +99,8 @@ ActiveRecord::Schema.define(:version => 20160220100507) do
     t.integer  "quotes"
     t.integer  "version"
     t.integer  "attachment_id"
+    t.integer  "is_publish",                   :default => 1
+    t.date     "publish_time"
   end
 
   create_table "attachments", :force => true do |t|
@@ -118,6 +120,8 @@ ActiveRecord::Schema.define(:version => 20160220100507) do
     t.integer  "is_public",                    :default => 1
     t.integer  "copy_from"
     t.integer  "quotes"
+    t.integer  "is_publish",                   :default => 1
+    t.date     "publish_time"
   end
 
   add_index "attachments", ["author_id"], :name => "index_attachments_on_author_id"
@@ -1373,7 +1377,6 @@ ActiveRecord::Schema.define(:version => 20160220100507) do
     t.integer  "changeset_num",     :default => 0
     t.integer  "board_message_num", :default => 0
     t.integer  "board_num",         :default => 0
-    t.integer  "act_num",           :default => 0
     t.integer  "attach_num",        :default => 0
     t.datetime "commit_time"
   end