diff --git a/app/admin/validate/v1/ProductValidate.php b/app/admin/validate/v1/ProductValidate.php
index f19900bc..1a1f2d30 100644
--- a/app/admin/validate/v1/ProductValidate.php
+++ b/app/admin/validate/v1/ProductValidate.php
@@ -39,7 +39,7 @@ class ProductValidate extends Validate
         'skus.*.sku'                   => 'max:125',
         'skus.*.main_image'            => 'max:255',
         'skus.*.sort'                  => 'integer',
-        'skus.*.attrs'                 => 'checkSkusAttrsItemType:attr_id,integer|checkSkusAttrsItemMax:attr_value,64',
+        'skus.*.attrs'                 => 'checkSkusAttrsItemType:attr_id,integer|checkSkusAttrsItemMax:attr_value,128',
         'related.*.related_product_id' => 'integer',
         'related.*.sort'               => 'integer',
     ];
diff --git a/database/migrations/20241219074458_create_product_sku_attr.php b/database/migrations/20241219074458_create_product_sku_attr.php
index f451e5d7..1f12533a 100644
--- a/database/migrations/20241219074458_create_product_sku_attr.php
+++ b/database/migrations/20241219074458_create_product_sku_attr.php
@@ -30,7 +30,7 @@ class CreateProductSkuAttr extends Migrator
         $table = $this->table('product_sku_attr', ['id' => false,'engine' => 'InnoDB', 'comment' => '产品SKU属性表']);
         $table->addColumn('sku_id', 'integer', ['signed' => false, 'null' => false, 'comment' => '产品SKU ID'])
             ->addColumn('attr_id', 'integer', ['signed' => false, 'null' => false, 'comment' => '属性ID'])
-            ->addColumn('attr_value', 'string', ['limit' => 64, 'null' => false, 'default' => '', 'comment' => '属性值'])
+            ->addColumn('attr_value', 'string', ['limit' => 128, 'null' => false, 'default' => '', 'comment' => '属性值'])
             ->addForeignKey('sku_id', 'product_sku', 'id', ['update' => 'CASCADE', 'delete' => 'CASCADE'])
             ->create();
     }