diff --git a/app/jobs/products_quantity_check_change_job.rb b/app/jobs/products_quantity_check_change_job.rb
index 87a1c80..475822f 100644
--- a/app/jobs/products_quantity_check_change_job.rb
+++ b/app/jobs/products_quantity_check_change_job.rb
@@ -2,7 +2,12 @@
 class ProductsQuantityCheckChangeJob < ApplicationJob
   queue_as :default
 
-  def perform(*args)
-    # Do something later
+  def perform(val)
+    products = Product.all
+    products.each do |p|
+      p.chk_quantity = val
+      p.save
+    end
+    # TODO; send notify by action cable
   end
 end
diff --git a/test/jobs/products_quantity_check_change_job_test.rb b/test/jobs/products_quantity_check_change_job_test.rb
index 8c1d9bb..ff9ce13 100644
--- a/test/jobs/products_quantity_check_change_job_test.rb
+++ b/test/jobs/products_quantity_check_change_job_test.rb
@@ -4,4 +4,5 @@ class ProductsQuantityCheckChangeJobTest < ActiveJob::TestCase
   # test "the truth" do
   #   assert true
   # end
+
 end