diff --git a/app/controllers/admins/shixun_settings_controller.rb b/app/controllers/admins/shixun_settings_controller.rb
index fd06fddb3..37ca45674 100644
--- a/app/controllers/admins/shixun_settings_controller.rb
+++ b/app/controllers/admins/shixun_settings_controller.rb
@@ -5,9 +5,10 @@ class Admins::ShixunSettingsController < Admins::BaseController
 
     shixun_settings = Admins::ShixunSettingsQuery.call(params)
     @editing_shixuns = shixun_settings.where(status:0).size
-    @pending_shixuns = shixun_settings.where(status:1).size
-    @processed_shixuns = shixun_settings.where(status:2).size
+    @processed_shixuns = shixun_settings.where(status:2, public: 0).size
     @closed_shixuns = shixun_settings.where(status:3).size
+    @pending_public_shixuns = shixun_settings.where(public:1).size
+    @processed_pubic_shixuns = shixun_settings.where(public:2).size
 
     @sort_json = {
       can_copy: params[:can_copy].present? ? params[:can_copy] : false,
diff --git a/app/controllers/admins/shixuns_controller.rb b/app/controllers/admins/shixuns_controller.rb
index 6593f27c2..86cb9b45f 100644
--- a/app/controllers/admins/shixuns_controller.rb
+++ b/app/controllers/admins/shixuns_controller.rb
@@ -5,10 +5,8 @@ class Admins::ShixunsController < Admins::BaseController
     params[:sort_direction] = params[:sort_direction].presence || 'desc'
     shixuns = Admins::ShixunQuery.call(params)
     @editing_shixuns = shixuns.where(status:0).size
-    @pending_shixuns = shixuns.where(status:1).size
-    @processed_shixuns = shixuns.where(status:2).size
+    @processed_shixuns = shixuns.where(status:2, public: 0).size
     @closed_shixuns = shixuns.where(status:3).size
-    @none_public_shixuns = shixuns.where(public:0).size
     @pending_public_shixuns = shixuns.where(public:1).size
     @processed_pubic_shixuns = shixuns.where(public:2).size
     @shixuns_type_check = MirrorRepository.pluck(:type_name,:id)
diff --git a/app/controllers/hack_user_lastest_codes_controller.rb b/app/controllers/hack_user_lastest_codes_controller.rb
index 655fea471..ff0af5958 100644
--- a/app/controllers/hack_user_lastest_codes_controller.rb
+++ b/app/controllers/hack_user_lastest_codes_controller.rb
@@ -1,9 +1,9 @@
 class HackUserLastestCodesController < ApplicationController
   before_action :require_login, except: [:listen_result]
-  before_action :find_my_hack, only: [:show, :code_debug, :code_submit, :update_code, :sync_code,
+  before_action :find_my_hack, only: [:show, :code_debug, :code_submit, :update_code, :sync_code, :add_notes,
                                       :listen_result, :result, :submit_records, :restore_initial_code]
   before_action :update_user_hack_status, only: [:code_debug, :code_submit]
-  #before_action :require_auth_identity, only: [:restore_initial_code, :sync_code]
+  before_action :require_auth_identity, only: [:add_notes]
   before_action :require_manager_identity, only: [:show, :update_code, :restore_initial_code, :sync_code]
 
   def show
@@ -67,7 +67,6 @@ class HackUserLastestCodesController < ApplicationController
 
   end
 
-
   # 提交记录详情
   def record_detail
     @hack_user = HackUserCode.find params[:id]
@@ -109,6 +108,11 @@ class HackUserLastestCodesController < ApplicationController
 
   end
 
+  def add_notes
+    @my_hack.update_attribute(:notes, params[:notes])
+    render_ok
+  end
+
   private
   def find_my_hack
     @my_hack = HackUserLastestCode.find_by(identifier: params[:identifier])
diff --git a/app/models/hack_set.rb b/app/models/hack_set.rb
index 6afe05663..9e2186fb5 100644
--- a/app/models/hack_set.rb
+++ b/app/models/hack_set.rb
@@ -1,5 +1,5 @@
 class HackSet < ApplicationRecord
-  #validates :input, presence: { message: "测试集输入不能为空" }
+  validates :input, presence: { message: "测试集输入不能为空" }
   validates :output, presence: { message: "测试集输出不能为空" }
   validates_uniqueness_of :input, scope: [:hack_id, :input], message: "多个测试集的输入不能相同"
   # 编程题测试集
diff --git a/app/models/hack_user_lastest_code.rb b/app/models/hack_user_lastest_code.rb
index 830f16dde..99582af41 100644
--- a/app/models/hack_user_lastest_code.rb
+++ b/app/models/hack_user_lastest_code.rb
@@ -12,4 +12,6 @@ class HackUserLastestCode < ApplicationRecord
   scope :mine_hack, ->(author_id){ where(user_id: author_id) }
   scope :passed, -> {where(status: 1)}
 
+  validates_length_of :notes, maximum: 5000, message: "笔记不能超过5000个字"
+
 end
diff --git a/app/queries/admins/shixun_query.rb b/app/queries/admins/shixun_query.rb
index 4f9f4676e..29e087332 100644
--- a/app/queries/admins/shixun_query.rb
+++ b/app/queries/admins/shixun_query.rb
@@ -13,25 +13,14 @@ class Admins::ShixunQuery < ApplicationQuery
     all_shixuns = Shixun.all
     status =
         case params[:status]
-        when "editing" then [0]
-        when "pending" then [1]
-        when "processed" then [2]
-        when "closed" then [3]
-        else
-          [0,1,2,3]
+        when "editing" then {status: 0}
+        when "processed" then {status: 2, public: 0}
+        when "pending" then {public: 1}
+        when "publiced" then {public: 2}
+        when "closed" then {status: 3}
         end
 
-    public =
-      case params[:public]
-      when "editing" then [0]
-      when "pending" then [1]
-      when "processed" then [2]
-      else
-        [0,1,2]
-      end
-
-    all_shixuns = all_shixuns.where(status: status) if status.present?
-    all_shixuns = all_shixuns.where(public: public) if public.present?
+    all_shixuns = all_shixuns.where(status) if status.present?
 
     if params[:fork_status].present?
       all_shixuns = all_shixuns.where.not(fork_from: nil)
diff --git a/app/queries/admins/shixun_settings_query.rb b/app/queries/admins/shixun_settings_query.rb
index 377e7bf60..1e45952bf 100644
--- a/app/queries/admins/shixun_settings_query.rb
+++ b/app/queries/admins/shixun_settings_query.rb
@@ -15,16 +15,15 @@ class Admins::ShixunSettingsQuery < ApplicationQuery
     all_shixuns = all_shixuns.where(id: params[:id]) if params[:id].present?
 
     status =
-        case params[:status]
-        when "editing" then [0]
-        when "pending" then [1]
-        when "processed" then [2]
-        when "closed" then [3]
-        else
-          [0,1,2,3]
-        end
-
-    all_shixuns = all_shixuns.where(status: status) if status.present?
+      case params[:status]
+      when "editing" then {status: 0}
+      when "processed" then {status: 2, public: 0}
+      when "pending" then {public: 1}
+      when "publiced" then {public: 2}
+      when "closed" then {status: 3}
+      end
+
+    all_shixuns = all_shixuns.where(status) if status.present?
 
     if params[:tag].present?
       all_shixuns = all_shixuns.joins(:mirror_repositories).where("mirror_repositories.id = ?",params[:tag].to_i)
diff --git a/app/services/shixun_search_service.rb b/app/services/shixun_search_service.rb
index 248d7d176..32488a7c3 100644
--- a/app/services/shixun_search_service.rb
+++ b/app/services/shixun_search_service.rb
@@ -33,6 +33,10 @@ class ShixunSearchService < ApplicationService
       @shixuns = status == "published" ? @shixuns.where(status: 2) : @shixuns.where(status: [0, 1])
     end
 
+    if params[:no_jupyter]
+      @shixuns = @shixuns.where(is_jupyter: 0)
+    end
+
     ## 筛选 难度
     if params[:diff].present? && params[:diff].to_i != 0
       @shixuns = @shixuns.where(trainee: params[:diff])
diff --git a/app/views/admins/shixun_settings/index.html.erb b/app/views/admins/shixun_settings/index.html.erb
index 66286926a..16a02ab96 100644
--- a/app/views/admins/shixun_settings/index.html.erb
+++ b/app/views/admins/shixun_settings/index.html.erb
@@ -8,7 +8,7 @@
       <div class="d-flex position-r">
         <div class="form-group mr-2">
           <label for="status">状态：</label>
-          <% status_options = [['全部', ''], ["编辑中(#{@editing_shixuns})", "editing"], ["待审核(#{@pending_shixuns})", 'pending'], ["已发布(#{@processed_shixuns})", 'processed'],["已关闭(#{@closed_shixuns})",'closed']] %>
+          <% status_options = [['全部', ''], ["编辑中(#{@editing_shixuns})", "editing"], ["已发布未公开(#{@processed_shixuns})", 'processed'], ["待审核(#{@pending_public_shixuns})", 'pending'], ["已公开(#{@processed_pubic_shixuns})", 'publiced'], ["已关闭(#{@closed_shixuns})",'closed']] %>
           <%= select_tag(:status, options_for_select(status_options), class: 'form-control') %>
         </div>
         <div class="form-group mr-2">
diff --git a/app/views/admins/shixuns/index.html.erb b/app/views/admins/shixuns/index.html.erb
index 9bb09f86f..4348f0f45 100644
--- a/app/views/admins/shixuns/index.html.erb
+++ b/app/views/admins/shixuns/index.html.erb
@@ -8,16 +8,10 @@
       <div class="d-flex position-r">
         <div class="form-group">
           <label for="status">状态：</label>
-          <% status_options = [['全部', ''], ["编辑中(#{@editing_shixuns})", "editing"], ["待审核(#{@pending_shixuns})", 'pending'], ["已发布(#{@processed_shixuns})", 'processed'],["已关闭(#{@closed_shixuns})",'closed']] %>
+          <% status_options = [['全部', ''], ["编辑中(#{@editing_shixuns})", "editing"], ["已发布未公开(#{@processed_shixuns})", 'processed'], ["待审核(#{@pending_public_shixuns})", 'pending'], ["已公开(#{@processed_pubic_shixuns})", 'publiced'], ["已关闭(#{@closed_shixuns})",'closed']] %>
           <%= select_tag(:status, options_for_select(status_options), class: 'form-control') %>
         </div>
 
-        <div class="form-group mr-2">
-          <label for="status">公开：</label>
-          <% public_options = [['全部', ''], ["未公开(#{@none_public_shixuns})", "editing"], ["待审核(#{@pending_public_shixuns})", 'pending'], ["已公开(#{@processed_pubic_shixuns})", 'processed']] %>
-          <%= select_tag(:public, options_for_select(public_options), class: 'form-control') %>
-        </div>
-
         <div class="form-group mr-2">
           <label for="tag-choosed">技术平台：</label>
           <%= select_tag(:tag, options_for_select(@shixuns_type_check.unshift(["",nil])), class: 'form-control',id:"tag-choosed") %>
diff --git a/app/views/challenges/edit.json.jbuilder b/app/views/challenges/edit.json.jbuilder
index c0ea68d9c..9a135ff56 100644
--- a/app/views/challenges/edit.json.jbuilder
+++ b/app/views/challenges/edit.json.jbuilder
@@ -14,7 +14,7 @@ if @tab == 0
 elsif @tab == 1
   # 评测设置的编辑模式
   json.(@challenge, :id, :path, :exec_path, :show_type, :original_picture_path, :expect_picture_path, :picture_path,
-      :web_route, :test_set_score, :test_set_average)
+      :web_route, :test_set_score, :test_set_average, :exec_time)
   json.has_web_route @shixun.has_web_route?
   json.test_sets @challenge.test_sets do |set|
     json.hidden (set.is_public ? 0 : 1)
diff --git a/app/views/hack_user_lastest_codes/show.json.jbuilder b/app/views/hack_user_lastest_codes/show.json.jbuilder
index 098c24546..a158d074f 100644
--- a/app/views/hack_user_lastest_codes/show.json.jbuilder
+++ b/app/views/hack_user_lastest_codes/show.json.jbuilder
@@ -5,6 +5,7 @@ json.hack do
   json.code @my_hack.code
   json.pass_count @hack.pass_num
   json.submit_count @hack.submit_num
+  json.notes @my_hack.notes
   json.modify_code @modify
   json.comments_count @hack.discusses.count
   json.user_praise @hack.praise_treads.select{|pt| pt.user_id == current_user.id}.length > 0
diff --git a/config/routes.rb b/config/routes.rb
index 7a68ed5e2..f9ed12dbe 100644
--- a/config/routes.rb
+++ b/config/routes.rb
@@ -90,6 +90,7 @@ Rails.application.routes.draw do
         get :submit_records
         post :restore_initial_code
         post :sync_code
+        post :add_notes
       end
 
       collection do
diff --git a/db/migrate/20191226083915_add_notes_hack_user_lastest_codes.rb b/db/migrate/20191226083915_add_notes_hack_user_lastest_codes.rb
new file mode 100644
index 000000000..518e6d610
--- /dev/null
+++ b/db/migrate/20191226083915_add_notes_hack_user_lastest_codes.rb
@@ -0,0 +1,5 @@
+class AddNotesHackUserLastestCodes < ActiveRecord::Migration[5.2]
+  def change
+    add_column :hack_user_lastest_codes, :notes, :longtext
+  end
+end
diff --git a/db/migrate/20191226092304_modify_task_pass_2_for_challenges.rb b/db/migrate/20191226092304_modify_task_pass_2_for_challenges.rb
new file mode 100644
index 000000000..f03039aa2
--- /dev/null
+++ b/db/migrate/20191226092304_modify_task_pass_2_for_challenges.rb
@@ -0,0 +1,8 @@
+class ModifyTaskPass2ForChallenges < ActiveRecord::Migration[5.2]
+  def change
+    challenges = Challenge.where("task_pass like '%frac%'")
+    challenges.find_each do |c|
+      c.update_column(:task_pass, c.task_pass.gsub('\f\frac', '\frac'))
+    end
+  end
+end