diff --git a/app/api/validate/CartValidate.php b/app/api/validate/CartValidate.php
index cf9a3661..bc84fc75 100644
--- a/app/api/validate/CartValidate.php
+++ b/app/api/validate/CartValidate.php
@@ -19,7 +19,7 @@ class CartValidate extends BaseValidate
       * @var string[]
       */
     protected $rule = [
-        'cart_num' => 'require|number',
+        'cart_num' => 'require',
         'product_attr_unique' => 'require',
         'store_id' => 'require|number',
         'staff_id' => 'require|number',