diff --git a/app/controllers/games_controller.rb b/app/controllers/games_controller.rb
index a5cb1ece3..938d42c2f 100644
--- a/app/controllers/games_controller.rb
+++ b/app/controllers/games_controller.rb
@@ -10,9 +10,6 @@ class GamesController < ApplicationController
   include GamesHelper
   include ApplicationHelper
 
- 
-
-
   def show
     uid_logger("--games show start")
     # 防止评测中途ajaxE被取消;3改成0是为了处理首次进入下一关的问题
@@ -91,7 +88,6 @@ class GamesController < ApplicationController
     end
   end
 
-
   def jupyter
     # Jupyter没有challenge
     @myshixun = Myshixun.find_by_identifier params[:identifier]
diff --git a/app/controllers/shixuns_controller.rb b/app/controllers/shixuns_controller.rb
index 992bd87f8..bb475abcd 100644
--- a/app/controllers/shixuns_controller.rb
+++ b/app/controllers/shixuns_controller.rb
@@ -467,7 +467,13 @@ class ShixunsController < ApplicationController
 	def update_learn_setting
 		begin
 			ActiveRecord::Base.transaction do
-				@shixun.update_attributes!(shixun_params)
+				update_params =
+						if params[:shixun][:vnc]
+							shixun_params.merge(vnc_evaluate: 1)
+						else
+							shixun_params
+						end
+				@shixun.update_attributes!(update_params)
 			end
 		rescue => e
 			uid_logger_error("实训学习页面设置失败--------#{e.message}")
diff --git a/app/decorators/grade_decorator.rb b/app/decorators/grade_decorator.rb
index b89cd99ce..5e2b9deed 100644
--- a/app/decorators/grade_decorator.rb
+++ b/app/decorators/grade_decorator.rb
@@ -33,7 +33,7 @@ module GradeDecorator
       game.present? ? "查看实训“#{game.challenge.shixun.name}”第#{game.challenge.position}关的TA人解答消耗的金币" : ''
     when 'hack' then
       hack = Hack.find_by(id: container_id)
-      game.present? ? "完成了题目解答“#{hack.name}”，获得金币奖励：#{hack.score}" : ''
+      hack.present? ? "完成了题目解答“#{hack.name}”，获得金币奖励：#{hack.score}" : ''
     end
   end
 end
\ No newline at end of file
diff --git a/app/decorators/tiding_decorator.rb b/app/decorators/tiding_decorator.rb
index 8e0c402dd..318167d92 100644
--- a/app/decorators/tiding_decorator.rb
+++ b/app/decorators/tiding_decorator.rb
@@ -226,7 +226,7 @@ module TidingDecorator
   end
 
   def discuss_content
-    I18n.t(locale_format(container_type, container.parent_id.present?)) % message_content_helper(container.content)
+    I18n.t(locale_format(parent_container_type, container.parent_id.present?)) % message_content_helper(container.content)
   end
 
   def grade_content
diff --git a/app/views/challenges/edit.json.jbuilder b/app/views/challenges/edit.json.jbuilder
index 3e7f5b425..c0ea68d9c 100644
--- a/app/views/challenges/edit.json.jbuilder
+++ b/app/views/challenges/edit.json.jbuilder
@@ -5,9 +5,11 @@ json.chooses do
     json.type choose.category
   end
 end
+json.st @challenge.st
+
 if @tab == 0
   # 本关任务tab的编辑模式
-  json.(@challenge, :id, :subject, :task_pass, :difficulty, :score, :exec_time)
+  json.(@challenge, :id, :subject, :task_pass, :difficulty, :score, :exec_time, :st)
   json.tags @challenge.challenge_tags.map(&:name)
 elsif @tab == 1
   # 评测设置的编辑模式
diff --git a/app/views/challenges/edit_choose_question.json.jbuilder b/app/views/challenges/edit_choose_question.json.jbuilder
index 663f27d7f..0405c0598 100644
--- a/app/views/challenges/edit_choose_question.json.jbuilder
+++ b/app/views/challenges/edit_choose_question.json.jbuilder
@@ -1,7 +1,7 @@
 json.(@challenge_choose, :challenge_id, :subject, :answer,
     :standard_answer, :score, :difficult,
     :position, :category)
-
+json.st @challenge.st
 # 选项的参数
 json.choose_contents @challenge_choose.challenge_questions do |question|
   json.(question, :option_name, :position, :right_key)
diff --git a/app/views/challenges/show.json.jbuilder b/app/views/challenges/show.json.jbuilder
index cffe77ebb..fb86683b4 100644
--- a/app/views/challenges/show.json.jbuilder
+++ b/app/views/challenges/show.json.jbuilder
@@ -1,6 +1,6 @@
 # 导航栏公共数据
 json.partial! "challenges/top_common_data", shixun_identifier: @shixun.identifier
-json.(@challenge, :id, :subject, :task_pass, :difficulty, :score, :exec_time)
+json.(@challenge, :id, :subject, :task_pass, :difficulty, :score, :exec_time, :st)
 json.tags @challenge.challenge_tags.map(&:name)
 
 
diff --git a/app/views/hack_user_lastest_codes/record_detail.json.jbuilder b/app/views/hack_user_lastest_codes/record_detail.json.jbuilder
index 8f72014fe..66eedf85e 100644
--- a/app/views/hack_user_lastest_codes/record_detail.json.jbuilder
+++ b/app/views/hack_user_lastest_codes/record_detail.json.jbuilder
@@ -1,8 +1,12 @@
-json.(@hack_user, :id, :status, :error_line, :error_msg, :expected_output,
-    :input, :output, :execute_time, :execute_memory, :created_at, :code)
-json.language @hack_user.hack.language
-json.name @hack_user.hack.name
-json.myproblem_identifier @my_hack.identifier
-json.user do
-  json.partial! 'users/user', user: current_user
-end
\ No newline at end of file
+json.status 0
+json.message "返回成功"
+json.data do
+  json.(@hack_user, :id, :status, :error_line, :error_msg, :expected_output,
+      :input, :output, :execute_time, :execute_memory, :created_at, :code)
+  json.language @hack_user.hack.language
+  json.name @hack_user.hack.name
+  json.myproblem_identifier @my_hack.identifier
+  json.user do
+    json.partial! 'users/user', user: current_user
+  end
+end
diff --git a/config/locales/tidings/zh-CN.yml b/config/locales/tidings/zh-CN.yml
index cdde0f97f..1117786c0 100644
--- a/config/locales/tidings/zh-CN.yml
+++ b/config/locales/tidings/zh-CN.yml
@@ -108,7 +108,7 @@
       Issue_end: "赞了你发布的项目Issue：%s"
       Journal_end: "赞了你的回复%s"
     Discuss:
-      Shixun:
+      Challenge:
         true_end: "评论了你的回复：%s"
         false_end: "评论了你发布的实训：%s"
       Hack: