diff --git a/db/migrate/20161015054820_update_homework_comment_status.rb b/db/migrate/20161015054820_update_homework_comment_status.rb
new file mode 100644
index 000000000..7196c095a
--- /dev/null
+++ b/db/migrate/20161015054820_update_homework_comment_status.rb
@@ -0,0 +1,20 @@
+class UpdateHomeworkCommentStatus < ActiveRecord::Migration
+  def up
+    homeworks = HomeworkCommon.joins(:homework_detail_manual).where("publish_time is not NULL and publish_time <= '#{Date.today}' and homework_detail_manuals.comment_status = 0")
+    homeworks.each do |homework|
+      hw_dm = homework.homework_detail_manual
+      if hw_dm && hw_dm.comment_status == 0
+        if hw_dm.evaluation_end < Date.today && homework.anonymous_comment == 0
+          hw_dm.update_column("comment_status", 3)
+        elsif homework.anonymous_comment == 0 && hw_dm.evaluation_end >= Date.today && hw_dm.evaluation_start <= Date.today
+          hw_dm.update_column("comment_status", 2)
+        else
+          hw_dm.update_column("comment_status", 1)
+        end
+      end
+    end
+  end
+
+  def down
+  end
+end
diff --git a/db/schema.rb b/db/schema.rb
index 1f763c39e..66a6c1710 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 => 20161011012114) do
+ActiveRecord::Schema.define(:version => 20161015054820) do
 
   create_table "activities", :force => true do |t|
     t.integer  "act_id",                                  :null => false
@@ -142,7 +142,7 @@ ActiveRecord::Schema.define(:version => 20161011012114) do
     t.integer  "downloads",                    :default => 0
     t.integer  "author_id"
     t.datetime "created_on"
-    t.string   "description"
+    t.text     "description"
     t.string   "disk_directory"
     t.integer  "attachtype"
     t.integer  "is_public"
@@ -313,14 +313,16 @@ ActiveRecord::Schema.define(:version => 20161011012114) do
   add_index "changeset_parents", ["parent_id"], :name => "changeset_parents_parent_ids"
 
   create_table "changesets", :force => true do |t|
-    t.integer  "repository_id", :null => false
-    t.string   "revision",      :null => false
+    t.integer  "repository_id",                :null => false
+    t.string   "revision",                     :null => false
     t.string   "committer"
-    t.datetime "committed_on",  :null => false
+    t.datetime "committed_on",                 :null => false
     t.text     "comments"
     t.date     "commit_date"
     t.string   "scmid"
     t.integer  "user_id"
+    t.integer  "project_id"
+    t.integer  "type",          :default => 0
   end
 
   add_index "changesets", ["committed_on"], :name => "index_changesets_on_committed_on"
@@ -971,6 +973,10 @@ ActiveRecord::Schema.define(:version => 20161011012114) do
     t.datetime "updated_at",         :null => false
   end
 
+  create_table "innodb_monitor", :id => false, :force => true do |t|
+    t.integer "a"
+  end
+
   create_table "invite_lists", :force => true do |t|
     t.integer  "project_id"
     t.integer  "user_id"