diff --git a/app/controllers/shixuns_controller.rb b/app/controllers/shixuns_controller.rb
index 3b14eea84..a319dc58a 100644
--- a/app/controllers/shixuns_controller.rb
+++ b/app/controllers/shixuns_controller.rb
@@ -488,17 +488,19 @@ class ShixunsController < ApplicationController
 			tip_show_exception(-3, "#{@shixun.opening_time.strftime('%Y-%m-%d %H:%M:%S')}")
 		end
 		current_myshixun = @shixun.current_myshixun(current_user.id)
+
+		min_challenges = @shixun.challenges.pluck(:id , :st)
+
 		if current_myshixun
+			games = current_myshixun.games
 			# 如果TPM和TPI的管卡数不相等或者关卡顺序错了，说明实训被极大的改动，需要重置
-			if current_myshixun.games.count != @shixun.challenges_count ||
-					current_myshixun.games.reorder(:challenge_id).pluck(:challenge_id) != @shixun.challenges.reorder(:id).pluck(:id)
-				uid_logger_error("7777777777777777#{current_myshixun.games.count}, #{@shixun.challenges_count}")
+			if games.size != min_challenges.size || games.map(&:challenge_id) != min_challenges.map{|challenge| challenge.first}
 				# 这里页面弹框要收到 当前用户myshixun的identifier.
 				tip_show_exception("/myshixuns/#{current_myshixun.try(:identifier)}/reset_my_game")
 			end
 
 			# 如果存在实训，则直接进入实训
-			@current_task = current_myshixun.current_task
+			@current_task = current_myshixun.current_task(games)
 		else
 			# 如果未创建关卡一定不能开启实训，否则TPI没法找到当前的关卡
 			if @shixun.challenges_count == 0
@@ -506,10 +508,10 @@ class ShixunsController < ApplicationController
 			end
 
 			# 判断实训是否全为选择题
-			is_choice_type = @shixun.is_choice_type?
+			is_choice_type = (min_challenges.size == min_challenges.select{|challenge| challenge.last == 1}.count)
 			if !is_choice_type
 				commit = GitService.commits(repo_path: @repo_path).try(:first)
-				Rails.logger.info("First comit########{commit}")
+				uid_logger("First comit########{commit}")
 				tip_exception("开启实战前请先在版本库中提交代码") if commit.blank?
 				commit_id = commit["id"]
 			end
@@ -528,13 +530,13 @@ class ShixunsController < ApplicationController
 						# fork仓库
 						project_fork(myshixun, @repo_path, current_user.login)
 
-						#rep_url = Base64.urlsafe_encode64(repo_ip_url @repo_path )
-						#uid_logger("start openGameInstance")
-						#uri = "#{cloud_bridge}/bridge/game/openGameInstance"
-						#logger.info("end openGameInstance")
-						#params = {tpiID: "#{myshixun.id}", tpmGitURL:rep_url, tpiRepoName: myshixun.repo_name.split("/").last}
-						#uid_logger("openGameInstance params is #{params}")
-						# res = interface_post uri, params, 83, "实训云平台繁忙（繁忙等级：83）"
+						rep_url = Base64.urlsafe_encode64(repo_ip_url @repo_path )
+						uid_logger("start openGameInstance")
+						uri = "#{cloud_bridge}/bridge/game/openGameInstance"
+						logger.info("end openGameInstance")
+						params = {tpiID: "#{myshixun.id}", tpmGitURL:rep_url, tpiRepoName: myshixun.repo_name.split("/").last}
+						uid_logger("openGameInstance params is #{params}")
+						interface_post uri, params, 83, "实训云平台繁忙（繁忙等级：83）"
 					end
 					# 其它创建关卡等操作
 					challenges = @shixun.challenges
@@ -565,6 +567,7 @@ class ShixunsController < ApplicationController
 			end
 		end
 	end
+
 	# gameID 及实训ID
 	# status:  0 , 1 申请过， 2，实训关卡路径未填， 3 实训标签未填, 4 实训未创建关卡
 	def publish
diff --git a/app/models/discuss.rb b/app/models/discuss.rb
index c1b08718c..8d8dc0163 100644
--- a/app/models/discuss.rb
+++ b/app/models/discuss.rb
@@ -39,6 +39,12 @@ class Discuss < ApplicationRecord
     shixun.has_manager?(user) ? content : ''
   end
 
+  def child_discuss(user)
+    user.admin? ?
+        Discuss.where(parent_id: self.id).includes(:user).reorder(created_at: :asc) :
+        Discuss.where(parent_id: self.id, :hidden => false).includes(:user).reorder(created_at: :asc)
+  end
+
   private
 
   def send_tiding
diff --git a/app/models/myshixun.rb b/app/models/myshixun.rb
index a1aca3253..d8f294a39 100644
--- a/app/models/myshixun.rb
+++ b/app/models/myshixun.rb
@@ -53,14 +53,12 @@ class Myshixun < ApplicationRecord
   end
 
   # 当前任务：一个实训中只可能一个未完成任务(status 0或1只会存在一条记录)
-  # status:0 可以测评的，正在测评的
+  # status:0 可以测评的; 1 正在测评的; 2评测通过的； 3未开启的
   # 如果都完成，则当前任务为最后一个任务
-  def current_task
-    games = self.games
+  def current_task games
     current_game = games.select{|game| game.status == 1 || game.status == 0}.first
     if current_game.blank?
-      current_game = Game.find_by_sql("SELECT g.* FROM games g, challenges c where g.myshixun_id=#{self.id}
-                                       and g.challenge_id = c.id and g.status = 2 order by c.position desc").first
+      current_game = games.last
     end
     current_game
   end
diff --git a/app/services/git_service.rb b/app/services/git_service.rb
index 3298185bf..076f62920 100644
--- a/app/services/git_service.rb
+++ b/app/services/git_service.rb
@@ -33,7 +33,12 @@ class GitService
       res = https.request(req)
       body = res.body
       logger.info("--uri_exec: .....res is #{body}")
+
       content = JSON.parse(body)
+      if content["code"] != 0
+        raise("版本库异常")
+        logger.error("repository error: #{content['msg']}")
+      end
       #raise content["msg"] if content["code"] != 0
 
       content["data"]
diff --git a/app/views/discusses/_discuss.json.jbuilder b/app/views/discusses/_discuss.json.jbuilder
index 1fcf150bc..da1ca5a6c 100644
--- a/app/views/discusses/_discuss.json.jbuilder
+++ b/app/views/discusses/_discuss.json.jbuilder
@@ -2,7 +2,7 @@ json.author do
   json.partial! 'users/user', user: discuss.user
 end
 json.id discuss.id
-json.content discuss.contents(container, current_user)
+json.content discuss.contents
 json.time time_from_now(discuss.created_at)
 json.position discuss.position
 json.shixun_id discuss.dis_id
diff --git a/app/views/discusses/index.json.jbuilder b/app/views/discusses/index.json.jbuilder
index 3d0ee9fc9..1b7a95eb3 100644
--- a/app/views/discusses/index.json.jbuilder
+++ b/app/views/discusses/index.json.jbuilder
@@ -2,8 +2,7 @@ json.disscuss_count @disscuss_count
 json.all @current_user.admin?
 json.comments @discusses do |discuss|
   json.partial! 'discusses/discuss', locals: { discuss: discuss, container: @container, current_user: @current_user }
-  child_discuss = Discuss.children(discuss.id)
-  json.children child_discuss do |c_d|
+  json.children discuss.child_discuss(current_user) do |c_d|
     json.partial! 'discusses/discuss', locals: { discuss: c_d, container: @container, current_user: @current_user }
   end
 end