diff --git a/app/Http/Controllers/ObdController.php b/app/Http/Controllers/ObdController.php
index 1d2b214..e95c7c1 100644
--- a/app/Http/Controllers/ObdController.php
+++ b/app/Http/Controllers/ObdController.php
@@ -190,8 +190,8 @@ class ObdController extends Controller
                 ->header('Content-Type', 'text/plain');
         }
 
-        $plantName = $request->header('plant_name'); // use lowercase
-        $obdNumber = $request->header('obd_number');
+        $plantName = $request->header('plant-name'); // use lowercase
+        $obdNumber = $request->header('obd-number');
 
         if (empty($plantName) || empty($obdNumber)) {
             return response("ERROR: Missing required headers (plant_name, obd_number)", 400)
@@ -227,11 +227,12 @@ class ObdController extends Controller
                     'Line_Numbers' => $records->map(function ($item) use ($itemCodes) {
                         $itemInfo = $itemCodes[$item->item_id] ?? null;
                         return [
-                            'Line' => $item->line_number,
+                            'Line' => $item->line_number ?? "",
                             'Material_Code' => $itemInfo->code ?? "",
                             'Material_Description' => $itemInfo->description ?? "",
                             'Batch_Number' => $item->batch_number ?? "",
                             'Heat_Number' => $item->heat_number ?? "",
+                            'Actual_Weight' => $item->obd_weight ?? "",
                         ];
                     })->toArray()
                 ]