diff --git a/app/Models/Materials/Material.php b/app/Models/Materials/Material.php
index 0aaf330..8d81e07 100644
--- a/app/Models/Materials/Material.php
+++ b/app/Models/Materials/Material.php
@@ -7,6 +7,7 @@
 use App\Models\Qualitys\Lot;
 use App\Traits\ModelTrait;
 use App\Traits\BelongsToTenant;
+use Filament\Forms\Components\Hidden;
 use Illuminate\Database\Eloquent\Model;
 use Illuminate\Database\Eloquent\SoftDeletes;
 
@@ -22,6 +23,10 @@ class Material extends Model
         'options'    => 'array',
     ];
 
+    protected $hidden = [
+        'deleted_at',
+    ];
+
     // 자재 입고 내역
     public function receipts()
     {
diff --git a/app/Models/Products/Product.php b/app/Models/Products/Product.php
index e070613..df10f73 100644
--- a/app/Models/Products/Product.php
+++ b/app/Models/Products/Product.php
@@ -16,7 +16,7 @@ class Product extends Model
 
     protected $fillable = [
         'tenant_id','code','name','category_id',
-        'product_type',                 // 라벨/분류용
+        'product_type', // 라벨/분류용
         'attributes','description','is_active',
         'is_sellable','is_purchasable','is_producible',
         'created_by','updated_by'
@@ -30,6 +30,10 @@ class Product extends Model
         'is_producible'  => 'boolean',
     ];
 
+    protected $hidden = [
+        'deleted_at',
+    ];
+
     // 분류
     public function category() { return $this->belongsTo(Category::class, 'category_id'); }
 
diff --git a/app/Services/MaterialService.php b/app/Services/MaterialService.php
index 246e44c..aef2309 100644
--- a/app/Services/MaterialService.php
+++ b/app/Services/MaterialService.php
@@ -46,7 +46,7 @@ public function getMaterials(array $params)
             });
         }
 
-        $q->orderByDesc('id');
+        $q->orderBy('id');
 
         $perPage = $p['per_page'] ?? 20;
         $page    = $p['page'] ?? null;
diff --git a/app/Services/ProductService.php b/app/Services/ProductService.php
index 100461c..b048928 100644
--- a/app/Services/ProductService.php
+++ b/app/Services/ProductService.php
@@ -72,7 +72,9 @@ public function index(array $params)
         $productType = $params['product_type'] ?? null; // PRODUCT|PART|SUBASSEMBLY...
         $active      = $params['active'] ?? null;       // 1/0
 
-        $query = Product::query()->where('tenant_id', $tenantId);
+        $query = Product::query()
+            ->with('category:id,name') // 필요한 컬럼만 가져오기
+            ->where('tenant_id', $tenantId);
 
         if ($q !== '') {
             $query->where(function ($w) use ($q) {
@@ -85,7 +87,20 @@ public function index(array $params)
         if ($productType) $query->where('product_type', $productType);
         if ($active !== null && $active !== '') $query->where('is_active', (int)$active);
 
-        return $query->orderByDesc('id')->paginate($size);
+        $paginator = $query->orderBy('id')->paginate($size);
+
+        // 날짜 형식을 위해 분리
+        $paginator->setCollection(
+            $paginator->getCollection()->transform(function ($item) {
+                $arr = $item->toArray();
+                $arr['created_at'] = $item->created_at
+                    ? $item->created_at->format('Y-m-d')
+                    : null;
+                return $arr;
+            })
+        );
+
+        return $paginator;
     }
 
     // 생성