diff --git a/app/Models/CarShowCategory.php b/app/Models/CarShowCategory.php
index 63d9a28..1fd5904 100644
--- a/app/Models/CarShowCategory.php
+++ b/app/Models/CarShowCategory.php
@@ -29,6 +29,6 @@ class CarShowCategory extends Model
   }
   public function showWinner()
   {
-      return $this->hasMany('App\Models\CarShowWinner', 'id', 'category');
+      return $this->hasMany(CarShowWinner::class, 'category');
   }
 }
diff --git a/app/Models/CarShowWinner.php b/app/Models/CarShowWinner.php
index 5a6efb9..941c108 100644
--- a/app/Models/CarShowWinner.php
+++ b/app/Models/CarShowWinner.php
@@ -20,11 +20,11 @@ class CarShowWinner extends Model
 
   public function awardVehicle()
   {
-    return $this->hasMany('App\Models\Vehicles', 'id', 'vehicle');
+    return $this->hasMany(Vehicles::class, 'vehicle');
   }
 
   public function awardCategory()
   {
-    return $this->hasMany('App\Models\CarShowCategory', 'id', 'category');
+    return $this->hasMany(CarShowCategory::class, 'category');
   }
 }
diff --git a/app/Models/Checkout.php b/app/Models/Checkout.php
index 5dce4b3..f30308f 100644
--- a/app/Models/Checkout.php
+++ b/app/Models/Checkout.php
@@ -25,11 +25,11 @@ class Checkout extends Model
 
     public function bidders()
     {
-        return $this->belongsTo('App\Models\Bidders', 'bidder_num', 'idbidders');
+        return $this->belongsTo(Bidders::class, 'idbidders');
     }
 
     public function paymentMethod()
     {
-        return $this->hasMany('App\Models\PaymentMethods', 'payment_method', 'pm_id');
+        return $this->hasMany(PaymentMethods::class, 'payment_method', 'pm_id');
     }
 }