diff --git a/app/models/secdomain.rb b/app/models/secdomain.rb
new file mode 100644
index 000000000..4d0abe5db
--- /dev/null
+++ b/app/models/secdomain.rb
@@ -0,0 +1,18 @@
+class Secdomain < ActiveRecord::Base
+  attr_accessible :pid, :subname, :sub_type, :desc
+
+  validates_presence_of :subname, :sub_type
+  validates_uniqueness_of :subname
+
+  def controller
+    return 'organizations' if sub_type == 2
+    return 'users' if sub_type == 3
+    nil
+  end
+
+  def action
+    return 'show' if sub_type == 2
+    return 'show' if sub_type == 3
+    nil
+  end
+end
diff --git a/db/migrate/20160202034530_create_secdomains.rb b/db/migrate/20160202034530_create_secdomains.rb
new file mode 100644
index 000000000..49650d073
--- /dev/null
+++ b/db/migrate/20160202034530_create_secdomains.rb
@@ -0,0 +1,28 @@
+class CreateSecdomains < ActiveRecord::Migration
+  def change
+    create_table :secdomains do |t|
+      t.integer :sub_type     #1.系统预留  2.Organization  3.users
+      t.string :subname   #子域名
+      t.integer :pid, default: 0   #参数id
+      t.string :desc
+
+      t.timestamps
+    end
+
+    #系统保留
+    Secdomain.create(sub_type: 1,  subname: 'gitlab')
+    Secdomain.create(sub_type: 1,  subname: 'wechat')
+    Secdomain.create(sub_type: 1,  subname: 'judge')
+
+    #organization
+    Secdomain.create(sub_type: 2,  subname: 'micros', pid: 5)
+    Secdomain.create(sub_type: 2,  subname: 'nubot', pid: 23)
+    Secdomain.create(sub_type: 2,  subname: 'team', pid: 1)
+
+    #users
+    Secdomain.create(sub_type: 3,  subname: 'whm', pid: 7)
+    Secdomain.create(sub_type: 3,  subname: 'yg', pid: 5)
+    Secdomain.create(sub_type: 3,  subname: 'wt', pid: 11)
+
+  end
+end
diff --git a/lib/tasks/elasticsearch_batch_op.rake b/lib/tasks/elasticsearch_batch_op.rake
index 4be382367..b9933cf75 100644
--- a/lib/tasks/elasticsearch_batch_op.rake
+++ b/lib/tasks/elasticsearch_batch_op.rake
@@ -1,17 +1,11 @@
 namespace :importer do
-  task :import_all => :environment do
-    Rake::Task["importer:importuser"].execute
-    Rake::Task["importer:importproject"].execute
-    Rake::Task["importer:importcourse"].execute
-    Rake::Task["importer:importattachment"].execute
-    Rake::Task["importer:importmemo"].execute
-  end
+
   task :importuser => :environment do
     ENV['CLASS']='User'
     ENV['SCOPE']='indexable'
     ENV['FORCE']='y'
     ENV['BATCH']='1000'
-    Rake::Task["elasticsearch:import:model"].invoke
+    Rake::Task["elasticsearch:import:model"].execute
   end
   task :importproject => :environment do
 
@@ -19,27 +13,30 @@ namespace :importer do
     ENV['SCOPE']='indexable'
     ENV['FORCE']='y'
     ENV['BATCH']='1000'
-    Rake::Task["elasticsearch:import:model"].invoke
+    Rake::Task["elasticsearch:import:model"].execute
   end
   task :importcourse => :environment do
     ENV['CLASS']='Course'
     ENV['SCOPE']='indexable'
     ENV['FORCE']='y'
     ENV['BATCH']='1000'
-    Rake::Task["elasticsearch:import:model"].invoke
+    Rake::Task["elasticsearch:import:model"].execute
   end
   task :importattachment => :environment do
     ENV['CLASS']='Attachment'
     ENV['SCOPE']='indexable'
     ENV['FORCE']='y'
     ENV['BATCH']='1000'
-    Rake::Task["elasticsearch:import:model"].invoke
+    Rake::Task["elasticsearch:import:model"].execute
   end
   task :importmemo => :environment do
     ENV['CLASS']='Memo'
     ENV['SCOPE']='indexable'
     ENV['FORCE']='y'
     ENV['BATCH']='1000'
-    Rake::Task["elasticsearch:import:model"].invoke
+    Rake::Task["elasticsearch:import:model"].execute
   end
+
+  desc "Run all tasks"
+  task :all => [:importuser,:importproject,:importcourse,:importattachment,:importmemo]
 end
\ No newline at end of file
diff --git a/lib/tasks/import_fix.rake b/lib/tasks/import_fix.rake
new file mode 100644
index 000000000..e5bd1a796
--- /dev/null
+++ b/lib/tasks/import_fix.rake
@@ -0,0 +1,14 @@
+namespace :import do
+  desc "fix import name"
+  task :fix => :environment do
+    HomeworkCommon.find_each do |homework|
+      name = homework.name.sub("\n", " ").sub("\r\n", " ")
+      if name != homework.name
+        homework.name = name
+        homework.save!
+      end
+
+    end
+  end
+
+end