diff --git a/db/schema.rb b/db/schema.rb
index 990bb4f00..5249b70b4 100644
--- a/db/schema.rb
+++ b/db/schema.rb
@@ -521,13 +521,6 @@ ActiveRecord::Schema.define(:version => 20170309024921) do
   add_index "contest_messages", ["contest_id"], :name => "index_contest_messages_on_contest_id"
   add_index "contest_messages", ["user_id"], :name => "index_contest_messages_on_user_id"
 
-  create_table "contest_notifications", :force => true do |t|
-    t.text     "title"
-    t.text     "content"
-    t.datetime "created_at", :null => false
-    t.datetime "updated_at", :null => false
-  end
-
   create_table "contestant_for_contests", :force => true do |t|
     t.integer  "student_id"
     t.integer  "contest_id"
@@ -595,37 +588,6 @@ ActiveRecord::Schema.define(:version => 20170309024921) do
   add_index "contestant_works", ["user_id"], :name => "index_contestant_works_on_user_id"
   add_index "contestant_works", ["work_id"], :name => "index_contestant_works_on_work_id"
 
-  create_table "contesting_projects", :force => true do |t|
-    t.integer  "project_id"
-    t.string   "contest_id"
-    t.integer  "user_id"
-    t.string   "description"
-    t.datetime "created_at",  :null => false
-    t.datetime "updated_at",  :null => false
-    t.string   "reward"
-  end
-
-  create_table "contesting_softapplications", :force => true do |t|
-    t.integer  "softapplication_id"
-    t.integer  "contest_id"
-    t.integer  "user_id"
-    t.string   "description"
-    t.datetime "created_at",         :null => false
-    t.datetime "updated_at",         :null => false
-    t.string   "reward"
-  end
-
-  create_table "contestnotifications", :force => true do |t|
-    t.integer  "contest_id"
-    t.string   "title"
-    t.string   "summary"
-    t.text     "description"
-    t.integer  "author_id"
-    t.integer  "notificationcomments_count"
-    t.datetime "created_at",                 :null => false
-    t.datetime "updated_at",                 :null => false
-  end
-
   create_table "contests", :force => true do |t|
     t.integer  "user_id"
     t.string   "name"
@@ -858,21 +820,6 @@ ActiveRecord::Schema.define(:version => 20170309024921) do
 
   add_index "delayed_jobs", ["priority", "run_at"], :name => "delayed_jobs_priority"
 
-  create_table "delayed_jobs_20161218", :id => false, :force => true do |t|
-    t.integer  "id",         :default => 0, :null => false
-    t.integer  "priority",   :default => 0, :null => false
-    t.integer  "attempts",   :default => 0, :null => false
-    t.text     "handler",                   :null => false
-    t.text     "last_error"
-    t.datetime "run_at"
-    t.datetime "locked_at"
-    t.datetime "failed_at"
-    t.string   "locked_by"
-    t.string   "queue"
-    t.datetime "created_at"
-    t.datetime "updated_at"
-  end
-
   create_table "discuss_demos", :force => true do |t|
     t.string   "title"
     t.text     "body"
@@ -1143,8 +1090,8 @@ ActiveRecord::Schema.define(:version => 20170309024921) do
     t.integer  "homework_type",     :default => 1
     t.string   "late_penalty"
     t.integer  "course_id"
-    t.datetime "created_at",                           :null => false
-    t.datetime "updated_at",                           :null => false
+    t.datetime "created_at",                       :null => false
+    t.datetime "updated_at",                       :null => false
     t.integer  "teacher_priority",  :default => 1
     t.integer  "anonymous_comment", :default => 0
     t.integer  "quotes",            :default => 0
@@ -1152,8 +1099,6 @@ ActiveRecord::Schema.define(:version => 20170309024921) do
     t.datetime "simi_time"
     t.integer  "score_open",        :default => 1
     t.integer  "anonymous_appeal",  :default => 0
-    t.integer  "homework_bank_id"
-    t.boolean  "is_update",         :default => false
   end
 
   add_index "homework_commons", ["course_id", "id"], :name => "index_homework_commons_on_course_id_and_id"
@@ -1456,23 +1401,6 @@ ActiveRecord::Schema.define(:version => 20170309024921) do
 
   add_index "memos", ["root_id"], :name => "index_memos_on_root_id"
 
-  create_table "mess", :id => false, :force => true do |t|
-    t.string   "课程名"
-    t.integer  "课程ID",                    :default => 0,  :null => false
-    t.string   "教师姓",                     :default => "", :null => false
-    t.string   "教师名",       :limit => 30, :default => "", :null => false
-    t.string   "主贴名",                     :default => "", :null => false
-    t.integer  "主贴或回帖ID",                 :default => 0,  :null => false
-    t.integer  "回帖对应主贴ID"
-    t.integer  "帖子点赞数"
-    t.integer  "主贴回复数",                   :default => 0,  :null => false
-    t.text     "主贴或回帖内容"
-    t.datetime "发帖时间",                                    :null => false
-    t.integer  "发帖或回帖用户ID",               :default => 0,  :null => false
-    t.string   "发帖或回帖用户姓",                :default => "", :null => false
-    t.string   "发帖或回帖用户名",  :limit => 30, :default => "", :null => false
-  end
-
   create_table "message_alls", :force => true do |t|
     t.integer  "user_id"
     t.integer  "message_id"
diff --git a/lib/trustie.rb b/lib/trustie.rb
index b7bd97de9..46554f4c9 100644
--- a/lib/trustie.rb
+++ b/lib/trustie.rb
@@ -3,3 +3,4 @@ require 'trustie/utils/image'
 require 'trustie/gitlab/api'
 require 'trustie/grack/grack'
 require 'trustie/at/at'
+require 'trustie/sms/sms'
diff --git a/lib/trustie/sms/sms.rb b/lib/trustie/sms/sms.rb
new file mode 100644
index 000000000..bd530ec2d
--- /dev/null
+++ b/lib/trustie/sms/sms.rb
@@ -0,0 +1,41 @@
+#coding=utf-8
+
+require 'net/http'
+require 'uri'
+
+module  Trustie
+  module Sms
+    def self.send(opt={})
+      Rails.logger.info "#{opt[:mobile]} - #{opt[:code]}"
+      begin
+        o = sendYunpian(opt[:mobile], opt[:code])
+        if o["code"] != 0
+          Rails.logger.error "发送短信出错: #{o['msg']}"
+        end
+        return o["code"] == 0
+      rescue => e
+        Rails.logger.error "发送短信出错: #{e}"
+        return false
+      end
+    end
+
+    def self.sendYunpian(mobile, code)
+      #修改为您的apikey.可在官网（http://www.yunpian.com)登录后用户中心首页看到
+      apikey = '21fe1680cb994616fd86f678a7022402'
+      #指定模板发送接口HTTP地址
+      send_tpl_sms_uri = URI.parse('https://sms.yunpian.com/v2/sms/tpl_single_send.json')
+
+      params = {}
+      params['apikey'] = apikey
+      params['mobile'] = mobile
+      #指定模板发送
+      #设置模板ID，如使用1号模板:【#company#】您的验证码是#code#
+      #设置对应的模板变量值
+
+      params['tpl_id'] = 1733172
+      params['tpl_value'] = URI::escape('#code#')+'='+URI::escape(code)+'&'+URI::escape('#app#')+'='+URI::escape('确实')
+      response = Net::HTTP.post_form(send_tpl_sms_uri,params)
+      ActiveSupport::JSON.decode(response.body)
+    end
+  end
+end
\ No newline at end of file
diff --git a/spec/utils/sms_spec.rb b/spec/utils/sms_spec.rb
new file mode 100644
index 000000000..3a30bec29
--- /dev/null
+++ b/spec/utils/sms_spec.rb
@@ -0,0 +1,13 @@
+#coding=utf-8
+
+require 'rails_helper'
+
+
+describe "短信发送" do
+
+  it "可以成功发送，当参数正确时" do
+     status = Trustie::Sms.send(mobile: "15607313800", code: '1234')
+     expect(status).to be true
+  end
+  
+end
\ No newline at end of file