diff --git a/app/Http/Controllers/Admin/WarehouseController.php b/app/Http/Controllers/Admin/WarehouseController.php
index 2ce49e4..3b3c8c4 100644
--- a/app/Http/Controllers/Admin/WarehouseController.php
+++ b/app/Http/Controllers/Admin/WarehouseController.php
@@ -745,7 +745,7 @@ class WarehouseController extends Controller
             ->orderByRaw('CAST(slot_no AS UNSIGNED) ASC')
             ->get();
 
-        $headers = ['貨道號', '商品名稱', '商品條碼', '類型', '目前庫存', '滿庫容量', '庫存率(%)', '效期', '批號', '啟用', '鎖定'];
+        $headers = ['貨道號', '商品ID', '商品名稱', '商品條碼', '類型', '目前庫存', '滿庫容量', '庫存率(%)', '效期', '批號', '啟用', '鎖定'];
 
         $safeSerial = preg_replace('/[^A-Za-z0-9_-]/', '', (string) $machine->serial_no);
         $filename = '貨道明細_' . ($safeSerial ?: $machine->id) . '_' . now()->format('YmdHis') . '.' . $ext;
@@ -772,6 +772,7 @@ class WarehouseController extends Controller
 
                 $row = [
                     $slot->slot_no,
+                    $slot->product_id ?? '',
                     $slot->product->name ?? '',
                     $slot->product->barcode ?? '',
                     $slot->type,
@@ -829,7 +830,7 @@ class WarehouseController extends Controller
         }
         $machines = $query->get();
 
-        $headers = ['貨道號', '商品名稱', '商品條碼', '類型', '目前庫存', '滿庫容量', '庫存率(%)', '效期', '批號', '啟用', '鎖定'];
+        $headers = ['貨道號', '商品ID', '商品名稱', '商品條碼', '類型', '目前庫存', '滿庫容量', '庫存率(%)', '效期', '批號', '啟用', '鎖定'];
         $ts = now()->format('YmdHis');
 
         // 單台的資料列
@@ -841,6 +842,7 @@ class WarehouseController extends Controller
                 $rate = $capacity > 0 ? round($stock / $capacity * 100) : 0;
                 $rows[] = [
                     (string) $slot->slot_no,
+                    $slot->product_id ?? '',
                     $slot->product->name ?? '',
                     $slot->product->barcode ?? '',
                     (string) $slot->type,