diff --git a/app/Models/ProductSku.php b/app/Models/ProductSku.php
new file mode 100644
index 00000000..596f0fe1
--- /dev/null
+++ b/app/Models/ProductSku.php
@@ -0,0 +1,23 @@
+<?php
+
+namespace App\Models;
+
+use App\Casts\JsonArray;
+use App\Casts\Price;
+use Dcat\Admin\Traits\HasDateTimeFormatter;
+use Illuminate\Database\Eloquent\Model;
+
+class ProductSku extends Model
+{
+    use HasDateTimeFormatter;
+
+    protected $casts = [
+        'images' => JsonArray::class,
+        'sell_price' => Price::class,
+        'market_price' => Price::class,
+        'cost_price' => Price::class,
+        'user_price' => Price::class,
+        'attrs' => JsonArray::class,
+        'is_sell' => 'bool',
+    ];
+}