diff --git a/app/services/games_service.rb b/app/services/games_service.rb
index f09e2dcf..a65388e2 100644
--- a/app/services/games_service.rb
+++ b/app/services/games_service.rb
@@ -75,8 +75,7 @@ class GamesService
                  :challenge => game_challenge.try(:attributes), :game => game.try(:attributes), :shixun => shixun.try(:attributes),
                  :record => record, :grade => grade, :prev_game => prev_game, :next_game => next_game, :username => username,
                  :image_url => image_url, :user_url => user_url, :praise_count => praise_count, :user_praise => user_praise, :time_limit => time_limit,
-                 :tomcat_url  => Redmine::Configuration['tomcat_php'], :is_teacher => is_teacher, :power => power, :myshixun_manager => myshixun_manager,
-                 :vnc => shixun.vnc}
+                 :tomcat_url  => Redmine::Configuration['tomcat_php'], :is_teacher => is_teacher, :power => power, :myshixun_manager => myshixun_manager}
     if shixun.vnc
       begin
         shixun_tomcat = Redmine::Configuration['shixun_tomcat']