diff --git a/app/controllers/challenges_controller.rb b/app/controllers/challenges_controller.rb
index 74352724c..ebce98b62 100644
--- a/app/controllers/challenges_controller.rb
+++ b/app/controllers/challenges_controller.rb
@@ -1,5 +1,5 @@
 class ChallengesController < ApplicationController
-  before_action :require_login, :check_auth
+  before_action :require_login, :check_auth, except: [:index]
   before_action :find_shixun, only: [:new, :create, :index]
   skip_before_action :verify_authenticity_token, only: [:create, :update, :create_choose_question, :crud_answer]
   before_action :find_challenge, only: [:edit, :show, :update, :create_choose_question, :index_down, :index_up,
diff --git a/app/controllers/shixuns_controller.rb b/app/controllers/shixuns_controller.rb
index 3145636df..58dc355cc 100644
--- a/app/controllers/shixuns_controller.rb
+++ b/app/controllers/shixuns_controller.rb
@@ -2,7 +2,7 @@ class ShixunsController < ApplicationController
 	include ShixunsHelper
 	include ApplicationHelper
 
-	before_action :require_login, :check_auth, except: [:download_file, :index, :menus]
+	before_action :require_login, :check_auth, except: [:download_file, :index, :menus, :show, :show_right]
 	before_action :check_account, only: [:new, :create, :shixun_exec]
 
 
diff --git a/app/controllers/stages_controller.rb b/app/controllers/stages_controller.rb
index 3967554aa..acf0e4829 100644
--- a/app/controllers/stages_controller.rb
+++ b/app/controllers/stages_controller.rb
@@ -1,5 +1,5 @@
 class StagesController < ApplicationController
-  before_action :require_login, :check_auth
+  before_action :require_login, :check_auth, except: [:index]
   before_action :find_subject, only: [:create, :index]
   before_action :find_stage, only: [:update, :destroy, :edit, :up_position, :down_position]
   before_action :allowed, except: [:index]
diff --git a/app/controllers/subjects_controller.rb b/app/controllers/subjects_controller.rb
index 396c0900e..c35397684 100644
--- a/app/controllers/subjects_controller.rb
+++ b/app/controllers/subjects_controller.rb
@@ -1,5 +1,5 @@
 class SubjectsController < ApplicationController
-  before_action :require_login, :check_auth, except: [:index]
+  before_action :require_login, :check_auth, except: [:index, :show]
   # before_action :check_auth, except: [:index]
   before_action :check_account, only: [:new, :create]
   before_action :find_subject, except: [:index, :create, :new, :append_to_stage]