diff --git a/app/controllers/application_controller.rb b/app/controllers/application_controller.rb
index 5a706e38..cf48b3c7 100644
--- a/app/controllers/application_controller.rb
+++ b/app/controllers/application_controller.rb
@@ -28,7 +28,7 @@ class ApplicationController < ActionController::Base
 	DCODES = %W(2 3 4 5 6 7 8 9 a b c f e f g h i j k l m n o p q r s t u v w x y z)
 	OPENKEY = "79e33abd4b6588941ab7622aed1e67e8"
 
-	helper_method :current_user
+	helper_method :current_users
 
 	# 所有请求必须合法签名
 	def check_sign
diff --git a/app/controllers/categories_controller.rb b/app/controllers/categories_controller.rb
index 5f6466b7..f102f50f 100644
--- a/app/controllers/categories_controller.rb
+++ b/app/controllers/categories_controller.rb
@@ -1,7 +1,6 @@
 # encoding=utf-8
 class CategoriesController < ApplicationController
   before_action :require_login, :except => [:all]
-  skip_before_action :session_expiration, :only => [:all]
   include ApplicationHelper
 
   # 所有类型，通过参数过滤