diff --git a/app/controllers/application_controller.rb b/app/controllers/application_controller.rb
index 5abb3d69a..377230451 100644
--- a/app/controllers/application_controller.rb
+++ b/app/controllers/application_controller.rb
@@ -25,11 +25,10 @@ class ApplicationController < ActionController::Base
 	def check_sign
 		Rails.logger.info("66666  #{params}")
 		if params[:client_key].present?
-			Rails.logger.info("111111  #{params[:client_key]}")
-			Rails.logger.info("00000  #{params[:timestamp]}")
-			tip_exception(501, "请求不合理") unless (Time.now.to_i - params[:timestamp].to_i).between?(0,5)
-			timestamp = params[:timestamp]
-			sign = Digest::MD5.hexdigest("#{OPENKEY}#{timestamp}")
+			randomcode = params[:randomcode]
+			tip_exception(501, "请求不合理") unless (Time.now.to_i - randomcode.to_i).between?(0,5)
+
+			sign = Digest::MD5.hexdigest("#{OPENKEY}#{randomcode}")
 			Rails.logger.info("2222  #{sign}")
 			tip_exception(501, "请求不合理") if sign != params[:client_key]
 		else
diff --git a/app/controllers/ecs/homes_controller.rb b/app/controllers/ecs/homes_controller.rb
index 2202f6882..7edbd7d78 100644
--- a/app/controllers/ecs/homes_controller.rb
+++ b/app/controllers/ecs/homes_controller.rb
@@ -3,10 +3,6 @@ class Ecs::HomesController < Ecs::BaseController
     @school_managers = current_school.users
   end
 
-  def first_stamp
-    render :json => { status: 0, message: Time.now.to_i }
-  end
-
   private
 
   def current_school
diff --git a/app/controllers/main_controller.rb b/app/controllers/main_controller.rb
index 395e536f4..e8554300c 100644
--- a/app/controllers/main_controller.rb
+++ b/app/controllers/main_controller.rb
@@ -1,6 +1,10 @@
 class MainController < ApplicationController
   skip_before_action :check_sign
 
+  def first_stamp
+    render :json => { status: 0, message: Time.now.to_i }
+  end
+
   def index
     render file: 'public/react/build/index.html', :layout => false
   end
diff --git a/config/routes.rb b/config/routes.rb
index c569596cc..c9da309d2 100644
--- a/config/routes.rb
+++ b/config/routes.rb
@@ -15,7 +15,7 @@ Rails.application.routes.draw do
   scope '/api' do
     get 'home/index'
     get 'home/search'
-    get 'home/first_stamp'
+    get 'main/first_stamp'
 
     get 'search', to: 'searchs#index'