diff --git a/app/models/customer.rb b/app/models/customer.rb
index a7517292..7e2a7958 100755
--- a/app/models/customer.rb
+++ b/app/models/customer.rb
@@ -9,8 +9,8 @@ class Customer < ApplicationRecord
   has_many :orders
   has_many :sales
 
-  validates_presence_of :name, :contact_no #,:card_no
-  validates :contact_no, numericality: true #uniqueness: true,
+  validates_presence_of :name #, :contact_no #,:card_no
+  validates :contact_no, numericality: true, uniqueness: { scope: :shop_code }, allow_blank: true
   validates :email, presence: true, uniqueness: { scope: :shop_code }, format: { with: /\A([^@\s]+)@((?:[-a-z0-9]+\.)+[a-z]{2,})\z/i, on: :create }, allow_blank: true
   # validates :card_no, uniqueness: true
   # validates :paypar_account_no, uniqueness: true