diff --git a/app/controllers/games_controller.rb b/app/controllers/games_controller.rb
index b35f2996f..a77b72708 100644
--- a/app/controllers/games_controller.rb
+++ b/app/controllers/games_controller.rb
@@ -61,29 +61,7 @@ class GamesController < ApplicationController
                   tomcat_url: edu_setting('cloud_tomcat_php'), is_teacher: is_teacher,
                   myshixun_manager: myshixun_manager, git_url: (@shixun.vnc ? repo_url(@myshixun.repo_path) : "")}
     if @shixun.vnc
-      begin
-        shixun_tomcat = edu_setting('cloud_bridge')
-        service_host = edu_setting('vnc_url')
-        uri = "#{shixun_tomcat}/bridge/vnc/getvnc"
-        params = {tpiID: @myshixun.id, :containers => "#{Base64.urlsafe_encode64(shixun_container_limit(@shixun))}"}
-        res = uri_post uri, params
-        logger.info("###############---- ")
-        if res && res['code'].to_i != 0
-          raise("实训云平台繁忙（繁忙等级：99）")
-        end
-
-        if request.subdomain == "pre-newweb"
-          # 无域名版本
-          @vnc_url = "http://#{service_host}:#{res['port']}/vnc_lite.html?password=headless"
-        else
-          # 有域名版本
-          @vnc_url = "https://#{res['port']}.#{service_host}/vnc_lite.html?password=headless"
-        end
-
-        @vnc_evaluate = @shixun.vnc_evaluate
-      rescue Exception => e
-        Rails.logger.error(e.message)
-      end
+      get_vnc_link(@game)
     end
 
     # 区分选择题和编程题，st：0编程题；
@@ -110,6 +88,21 @@ class GamesController < ApplicationController
     end
   end
 
+  def reset_vnc_link
+    begin
+      # 删除vnc的pod
+      delete_vnc(@game)
+      # 重新连接
+      get_vnc_link(@game)
+
+      render :json => {status: 1, message: "重置VNC成功", data: {vnc_url: @vnc_url, vnc_evaluate: @vnc_evaluate}}
+    rescue Exception => e
+      logger.error("############'#{e.message}'")
+      tip_exception("实训云平台繁忙")
+    end
+
+  end
+
   # 查看效果
   # todo : 这块代码有很大的改进空间
   # todo : 中文排序问题
@@ -880,7 +873,7 @@ class GamesController < ApplicationController
       choose.challenge_questions.each do |question|
         position = question.position
         option_name = question.option_name
-        challenge_question << {:positon =>  position, :option_name => option_name}
+        challenge_question <<{:positon =>  position, :option_name => option_name}
       end
       # actual_output为空表示暂时没有评测答题，不允许查看
       actual_output = output.try(:actual_output).try(:strip)
@@ -941,4 +934,47 @@ class GamesController < ApplicationController
     game.myshixun.update_column(:updated_at, Time.now)
   end
 
+  # vnc连接
+  def get_vnc_link game
+    begin
+      shixun = game.myshixun.shixun
+      shixun_tomcat = edu_setting('cloud_bridge')
+      service_host = edu_setting('vnc_url')
+      uri = "#{shixun_tomcat}/bridge/vnc/getvnc"
+      params = {tpiID: game.myshixun.id, :containers => "#{Base64.urlsafe_encode64(shixun_container_limit(shixun))}"}
+      res = uri_post uri, params
+      if res && res['code'].to_i != 0
+        raise("实训云平台繁忙（繁忙等级：99）")
+      end
+      @vnc_url =
+          if request.subdomain == "pre-newweb"
+            # 无域名版本
+            "http://#{service_host}:#{res['port']}/vnc_lite.html?password=headless"
+          else
+            # 有域名版本
+            "https://#{res['port']}.#{service_host}/vnc_lite.html?password=headless"
+          end
+      @vnc_evaluate = shixun.vnc_evaluate
+    rescue Exception => e
+      Rails.logger.error(e.message)
+    end
+  end
+
+  # 删除pod
+  def delete_vnc game
+    myshixun_id = game.myshixun_id
+    digest = game.identifier + edu_setting('bridge_secret_key')
+    digest_key = Digest::SHA1.hexdigest("#{digest}")
+    begin
+      shixun_tomcat = edu_setting('cloud_bridge')
+      uri = "#{shixun_tomcat}/bridge/vnc/delete"
+      Rails.logger.info("#{current_user} => cloese_webssh digest is #{digest}")
+      params = {:tpiID => myshixun_id, :digestKey => digest_key, :identifier => game.identifier}
+      res = uri_post uri, params
+      if res && res['code'].to_i != 0
+        raise("实训云平台繁忙（繁忙等级：110）")
+      end
+    end
+  end
+
 end
diff --git a/config/routes.rb b/config/routes.rb
index 0d6e108ad..15a91b910 100644
--- a/config/routes.rb
+++ b/config/routes.rb
@@ -161,6 +161,7 @@ Rails.application.routes.draw do
         get :picture_display
         get :sync_codes
         get :close_webssh
+        get :reset_vnc_link
         get :get_answer_info
         get :unlock_answer
         get :check_test_sets