diff --git a/Admin/Routes/Web/Backend.php b/Admin/Routes/Web/Backend.php
index 0b67a5f..f0b60b4 100644
--- a/Admin/Routes/Web/Backend.php
+++ b/Admin/Routes/Web/Backend.php
@@ -1,3 +1,3 @@
-<?php
+<?php declare(strict_types=1);
 
 return [];
diff --git a/Models/Arrival.php b/Models/Arrival.php
index b29625b..015a672 100644
--- a/Models/Arrival.php
+++ b/Models/Arrival.php
@@ -103,16 +103,12 @@ class Arrival
         $this->id = $id;
     }
 
-    /**
-     * 
-     */
+
     public function init($id) : void
     {
     }
 
-    /**
-     * 
-     */
+
     public function __clone()
     {
     }
@@ -289,37 +285,27 @@ class Arrival
         $this->acceptor = $acceptor;
     }
 
-    /**
-     * 
-     */
+
     public function delete() : void
     {
     }
 
-    /**
-     * 
-     */
+
     public function create() : void
     {
     }
 
-    /**
-     * 
-     */
+
     public function update() : void
     {
     }
 
-    /**
-     * 
-     */
+
     public function serialize() : void
     {
     }
 
-    /**
-     * 
-     */
+
     public function unserialize($data) : void
     {
     }
diff --git a/Models/Article.php b/Models/Article.php
index bbcebca..6d3b303 100644
--- a/Models/Article.php
+++ b/Models/Article.php
@@ -1,4 +1,4 @@
-<?php
+<?php declare(strict_types=1);
 /**
  * Orange Management
  *
@@ -145,16 +145,12 @@ class Article
         $this->id = $id;
     }
 
-    /**
-     * 
-     */
+
     public function init($id) : void
     {
     }
 
-    /**
-     * 
-     */
+
     public function __clone()
     {
     }
@@ -370,37 +366,27 @@ class Article
         }
     }
 
-    /**
-     * 
-     */
+
     public function delete() : void
     {
     }
 
-    /**
-     * 
-     */
+
     public function create() : void
     {
     }
 
-    /**
-     * 
-     */
+
     public function update() : void
     {
     }
 
-    /**
-     * 
-     */
+
     public function serialize() : void
     {
     }
 
-    /**
-     * 
-     */
+
     public function unserialize($data) : void
     {
     }
diff --git a/Models/Shipping.php b/Models/Shipping.php
index cb57400..d8044e7 100644
--- a/Models/Shipping.php
+++ b/Models/Shipping.php
@@ -119,16 +119,12 @@ class Shipping
         return self::$instances[$id];
     }
 
-    /**
-     * 
-     */
+
     public function init($id) : void
     {
     }
 
-    /**
-     * 
-     */
+
     public function __clone()
     {
     }
@@ -287,37 +283,27 @@ class Shipping
         $this->sender = $sender;
     }
 
-    /**
-     * 
-     */
+
     public function delete() : void
     {
     }
 
-    /**
-     * 
-     */
+
     public function create() : void
     {
     }
 
-    /**
-     * 
-     */
+
     public function update() : void
     {
     }
 
-    /**
-     * 
-     */
+
     public function serialize() : void
     {
     }
 
-    /**
-     * 
-     */
+
     public function unserialize($data) : void
     {
     }
diff --git a/Models/Warehouse.php b/Models/Warehouse.php
index 6de0d60..3bbc041 100644
--- a/Models/Warehouse.php
+++ b/Models/Warehouse.php
@@ -87,16 +87,12 @@ class Warehouse
         return self::$instances[$id];
     }
 
-    /**
-     * 
-     */
+
     public function init($id) : void
     {
     }
 
-    /**
-     * 
-     */
+
     public function __clone()
     {
     }
@@ -191,37 +187,27 @@ class Warehouse
         $this->location = $location;
     }
 
-    /**
-     * 
-     */
+
     public function delete() : void
     {
     }
 
-    /**
-     * 
-     */
+
     public function create() : void
     {
     }
 
-    /**
-     * 
-     */
+
     public function update() : void
     {
     }
 
-    /**
-     * 
-     */
+
     public function serialize() : void
     {
     }
 
-    /**
-     * 
-     */
+
     public function unserialize($data) : void
     {
     }
diff --git a/Theme/Backend/Lang/Navigation.en.lang.php b/Theme/Backend/Lang/Navigation.en.lang.php
index ab23f28..b6ec72e 100644
--- a/Theme/Backend/Lang/Navigation.en.lang.php
+++ b/Theme/Backend/Lang/Navigation.en.lang.php
@@ -1,4 +1,4 @@
-<?php
+<?php declare(strict_types=1);
 /**
  * Orange Management
  *
diff --git a/Theme/Backend/Lang/api.en.lang.php b/Theme/Backend/Lang/api.en.lang.php
index 959dc12..763b2bb 100644
--- a/Theme/Backend/Lang/api.en.lang.php
+++ b/Theme/Backend/Lang/api.en.lang.php
@@ -1,4 +1,4 @@
-<?php
+<?php declare(strict_types=1);
 /**
  * Orange Management
  *
diff --git a/Theme/Backend/Lang/en.lang.php b/Theme/Backend/Lang/en.lang.php
index 11649f4..a6bf5f1 100644
--- a/Theme/Backend/Lang/en.lang.php
+++ b/Theme/Backend/Lang/en.lang.php
@@ -1,4 +1,4 @@
-<?php
+<?php declare(strict_types=1);
 /**
  * Orange Management
  *