diff --git a/app/controllers/hack_user_lastest_codes_controller.rb b/app/controllers/hack_user_lastest_codes_controller.rb
index 38238fea7..353833ee2 100644
--- a/app/controllers/hack_user_lastest_codes_controller.rb
+++ b/app/controllers/hack_user_lastest_codes_controller.rb
@@ -5,6 +5,7 @@ class HackUserLastestCodesController < ApplicationController
   before_action :update_user_hack_status, only: [:code_debug, :code_submit]
   before_action :require_auth_identity, only: [:add_notes]
   before_action :require_manager_identity, only: [:show, :update_code, :restore_initial_code, :sync_code]
+  skip_before_action :check_sign, only: [:listen_result]
 
   def show
     @my_hack.update_attribute(:submit_status, 0) if @my_hack.submit_status == 1