diff --git a/app/controllers/myshixuns_controller.rb b/app/controllers/myshixuns_controller.rb
index d95cdc96..add6511c 100644
--- a/app/controllers/myshixuns_controller.rb
+++ b/app/controllers/myshixuns_controller.rb
@@ -2,7 +2,7 @@
 class MyshixunsController < ApplicationController
   layout 'base_myshixun'
   skip_before_filter :verify_authenticity_token, :only => [:training_task_status, :close_webssh, :code_runinng_message, :vnc]
-  before_filter :require_login, :except => [:training_task_status, :close_webssh, :code_runinng_message]
+  before_filter :require_login, :except => [:training_task_status, :close_webssh, :code_runinng_message, :vnc]
   before_filter :check_authentication, :except => [:training_task_status, :close_webssh, :mul_test_home, :mul_test_user,
                                                    :mul_test_myshixun, :mul_test_shixun, :mul_test_start, :code_runinng_message]
   before_filter :find_myshixun, :only => [:show, :myshixun_reset, :open_webssh, :sync_reset_time, :destroy, :search_file_list, :vnc]