diff --git a/app/Filament/Exports/DeviceMasterExporter.php b/app/Filament/Exports/DeviceMasterExporter.php
index f7da31a..7dc7d99 100644
--- a/app/Filament/Exports/DeviceMasterExporter.php
+++ b/app/Filament/Exports/DeviceMasterExporter.php
@@ -14,6 +14,7 @@ class DeviceMasterExporter extends Exporter
     public static function getColumns(): array
     {
         static $rowNumber = 0;
+
         return [
             ExportColumn::make('no')
                 ->label('NO')
@@ -21,32 +22,32 @@ class DeviceMasterExporter extends Exporter
                     // Increment and return the row number
                     return ++$rowNumber;
                 }),
-            ExportColumn::make('plant.name')
-             ->label('PLANT'),
+            ExportColumn::make('plant.code')
+                ->label('PLANT CODE'),
             ExportColumn::make('name')
-             ->label('DEVICE NAME'),
+                ->label('DEVICE NAME'),
             ExportColumn::make('mac_address')
-             ->label('MAC ADDRESS'),
+                ->label('MAC ADDRESS'),
             ExportColumn::make('ip_address')
-             ->label('IP ADDRESS'),
+                ->label('IP ADDRESS'),
             ExportColumn::make('created_at')
-             ->label('CREATED AT'),
+                ->label('CREATED AT'),
             ExportColumn::make('updated_at')
-             ->label('UPDATED AT'),
+                ->label('UPDATED AT'),
             ExportColumn::make('deleted_at')
-             ->enabledByDefault(false)
-             ->label('DELETED AT'),
+                ->enabledByDefault(false)
+                ->label('DELETED AT'),
             ExportColumn::make('created_by')
-             ->label('CREATED BY'),
+                ->label('CREATED BY'),
         ];
     }
 
     public static function getCompletedNotificationBody(Export $export): string
     {
-        $body = 'Your device master export has completed and ' . number_format($export->successful_rows) . ' ' . str('row')->plural($export->successful_rows) . ' exported.';
+        $body = 'Your device master export has completed and '.number_format($export->successful_rows).' '.str('row')->plural($export->successful_rows).' exported.';
 
         if ($failedRowsCount = $export->getFailedRowsCount()) {
-            $body .= ' ' . number_format($failedRowsCount) . ' ' . str('row')->plural($failedRowsCount) . ' failed to export.';
+            $body .= ' '.number_format($failedRowsCount).' '.str('row')->plural($failedRowsCount).' failed to export.';
         }
 
         return $body;
diff --git a/app/Filament/Imports/DeviceMasterImporter.php b/app/Filament/Imports/DeviceMasterImporter.php
index 8b72103..0560b72 100644
--- a/app/Filament/Imports/DeviceMasterImporter.php
+++ b/app/Filament/Imports/DeviceMasterImporter.php
@@ -16,10 +16,10 @@ class DeviceMasterImporter extends Importer
         return [
             ImportColumn::make('plant')
                 ->requiredMapping()
-                ->exampleHeader('Plant Name')
-                ->example('Ransar Industries-I')
-                ->label('Plant Name')
-                ->relationship(resolveUsing:'name')
+                ->exampleHeader('Plant Code')
+                ->example('1000')
+                ->label('Plant Code')
+                ->relationship(resolveUsing: 'code')
                 ->rules(['required']),
             ImportColumn::make('name')
                 ->requiredMapping()
@@ -53,15 +53,15 @@ class DeviceMasterImporter extends Importer
         //     'email' => $this->data['email'],
         // ]);
 
-        return new DeviceMaster();
+        return new DeviceMaster;
     }
 
     public static function getCompletedNotificationBody(Import $import): string
     {
-        $body = 'Your device master import has completed and ' . number_format($import->successful_rows) . ' ' . str('row')->plural($import->successful_rows) . ' imported.';
+        $body = 'Your device master import has completed and '.number_format($import->successful_rows).' '.str('row')->plural($import->successful_rows).' imported.';
 
         if ($failedRowsCount = $import->getFailedRowsCount()) {
-            $body .= ' ' . number_format($failedRowsCount) . ' ' . str('row')->plural($failedRowsCount) . ' failed to import.';
+            $body .= ' '.number_format($failedRowsCount).' '.str('row')->plural($failedRowsCount).' failed to import.';
         }
 
         return $body;