diff --git a/app/services/games_service.rb b/app/services/games_service.rb
index 0b04ffbf..b65cb7e7 100644
--- a/app/services/games_service.rb
+++ b/app/services/games_service.rb
@@ -45,7 +45,7 @@ class GamesService
 
     # 高性能取上一关、下一关
     prev_game = Game.prev_identifier(shixun.id, game.myshixun_id, game_challenge.position)
-    next_game = if current_user.is_certification_teacher || shixun_manager(shixun, current_user) || game.status || shixun.task_pass
+    next_game = if shixun.vnc || current_user.is_certification_teacher || shixun_manager(shixun, current_user) || game.status || shixun.task_pass
                   Game.next_game(shixun.id, game.myshixun_id, game_challenge.position).try(:identifier)
                 end
 
@@ -87,11 +87,12 @@ class GamesService
         if res && res['code'].to_i != 0
           raise("实训云平台繁忙（繁忙等级：99）")
         end
-        url = service_host +":#{res['port']}/vnc.html"
+        url = service_host +":#{res['port']}/vnc_lite.html"
+        container = container.merge(:vnc_url => url, :test => "666")
       rescue Exception => e
         Rails.logger.error(e.message)
       end
-      container = container.merge(:vnc_url => url)
+
     end