diff --git a/app/controllers/admins/base_controller.rb b/app/controllers/admins/base_controller.rb
index f90c8a1ed..9a4a25013 100644
--- a/app/controllers/admins/base_controller.rb
+++ b/app/controllers/admins/base_controller.rb
@@ -10,6 +10,7 @@ class Admins::BaseController < ApplicationController
   before_action :require_login, :require_admin!
 
   after_action :rebind_event_if_ajax_render_partial
+  skip_before_action :check_sign
 
   private
 
diff --git a/app/controllers/application_controller.rb b/app/controllers/application_controller.rb
index 634209570..3d1fd642e 100644
--- a/app/controllers/application_controller.rb
+++ b/app/controllers/application_controller.rb
@@ -27,6 +27,7 @@ class ApplicationController < ActionController::Base
 		if params[:client_key].present?
 			Rails.logger.info("111111  #{params[:client_key]}")
 			Rails.logger.info("00000  #{params[:timestamp]}")
+			tip_exception(501, "请求超时") if Time.now - params[:timestamp].to_i > 5
 			timestamp = params[:timestamp]
 			sign = Digest::MD5.hexdigest("#{OPENKEY}#{timestamp}")
 			Rails.logger.info("2222  #{sign}")