diff --git a/hesabixCore/migrations/Version20250804133410.php b/hesabixCore/migrations/Version20250804133410.php
new file mode 100644
index 00000000..68c7eb53
--- /dev/null
+++ b/hesabixCore/migrations/Version20250804133410.php
@@ -0,0 +1,31 @@
+<?php
+
+declare(strict_types=1);
+
+namespace DoctrineMigrations;
+
+use Doctrine\DBAL\Schema\Schema;
+use Doctrine\Migrations\AbstractMigration;
+
+/**
+ * Auto-generated Migration: Please modify to your needs!
+ */
+final class Version20250804133410 extends AbstractMigration
+{
+    public function getDescription(): string
+    {
+        return '';
+    }
+
+    public function up(Schema $schema): void
+    {
+        // this up() migration is auto-generated, please modify it to your needs
+        $this->addSql('ALTER TABLE commodity CHANGE code code VARCHAR(255) NOT NULL');
+    }
+
+    public function down(Schema $schema): void
+    {
+        // this down() migration is auto-generated, please modify it to your needs
+        $this->addSql('ALTER TABLE commodity CHANGE code code BIGINT NOT NULL');
+    }
+}
diff --git a/hesabixCore/src/Entity/Commodity.php b/hesabixCore/src/Entity/Commodity.php
index e56dd70d..5f3f68ea 100644
--- a/hesabixCore/src/Entity/Commodity.php
+++ b/hesabixCore/src/Entity/Commodity.php
@@ -33,7 +33,7 @@ class Commodity
     #[ORM\Column(type: 'string', length: 255, nullable: true)]
     private $des;
 
-    #[ORM\Column(type: 'bigint')]
+    #[ORM\Column(type: 'string', length: 255)]
     private $code;
 
     #[ORM\Column(nullable: true)]
diff --git a/hesabixCore/src/Service/twigFunctions.php b/hesabixCore/src/Service/twigFunctions.php
index 4ed93fc0..6b33b515 100644
--- a/hesabixCore/src/Service/twigFunctions.php
+++ b/hesabixCore/src/Service/twigFunctions.php
@@ -99,6 +99,7 @@ class twigFunctions
             $numberOfUnits = floor($hash / $unit);
             return $numberOfUnits . ' ' . $text;
         }
+        return '0 کیلوهش';
     }
 
     public function getHesabixLastVersionNumber(): string
@@ -111,7 +112,8 @@ class twigFunctions
 
     public function systemSettings()
     {
-        return $this->em->getRepository(Settings::class)->findAll()[0];
+        $settings = $this->em->getRepository(Settings::class)->findAll();
+        return $settings[0] ?? null;
     }
 
     public function getCurrentUrl()
@@ -123,14 +125,16 @@ class twigFunctions
     {
         // اگر پلاگین accpro فعال نباشد، مقدار پیش‌فرض را برمی‌گرداند
         if (!$pluginService->isActive('accpro', $bid)) {
-            return $side === 'left' ? $this->getStaticData('system', 'footerLeft') : $this->getStaticData('system', 'footerRight');
+            $defaultText = $side === 'left' ? $this->getStaticData('system', 'footerLeft') : $this->getStaticData('system', 'footerRight');
+            return $defaultText ?? '';
         }
 
         // دریافت تنظیمات چاپ
         $printOptions = $this->em->getRepository(PrintOptions::class)->findOneBy(['bid' => $bid]);
         
         if (!$printOptions) {
-            return $side === 'left' ? $this->getStaticData('system', 'footerLeft') : $this->getStaticData('system', 'footerRight');
+            $defaultText = $side === 'left' ? $this->getStaticData('system', 'footerLeft') : $this->getStaticData('system', 'footerRight');
+            return $defaultText ?? '';
         }
 
         // دریافت متن پانویس بر اساس سمت
@@ -138,7 +142,8 @@ class twigFunctions
         
         // اگر متن null یا خالی باشد، مقدار پیش‌فرض را برمی‌گرداند
         if ($footerText === null || $footerText === '') {
-            return $side === 'left' ? $this->getStaticData('system', 'footerLeft') : $this->getStaticData('system', 'footerRight');
+            $defaultText = $side === 'left' ? $this->getStaticData('system', 'footerLeft') : $this->getStaticData('system', 'footerRight');
+            return $defaultText ?? '';
         }
 
         return $footerText;
diff --git a/webUI/public/img/plugins/taxplugin.jpg b/webUI/public/img/plugins/taxplugin.jpg
index 8b2765dc..ae8acfdf 100644
Binary files a/webUI/public/img/plugins/taxplugin.jpg and b/webUI/public/img/plugins/taxplugin.jpg differ