diff --git a/controllers/ManageController.php b/controllers/ManageController.php
index c66381f..b3b13e4 100755
--- a/controllers/ManageController.php
+++ b/controllers/ManageController.php
@@ -308,7 +308,7 @@
             
             if (Yii::$app->request->isAjax) {
                 Yii::$app->response->format = Response::FORMAT_JSON;
-                return $model->goProducts($from, 1);
+                return $model->goProducts($from, 10);
             } else {
                 throw new \HttpRequestException('Must be AJAX');
             }
diff --git a/models/Import.php b/models/Import.php
index d7e636f..7049ba2 100755
--- a/models/Import.php
+++ b/models/Import.php
@@ -5,6 +5,8 @@
     use artweb\artbox\language\models\Language;
     use Yii;
     use yii\base\Model;
+    use yii\db\pgsql\QueryBuilder;
+    use yii\db\Query;
     use yii\helpers\ArrayHelper;
 
     /**
@@ -616,7 +618,20 @@
             ) );
             
             $result_items = [];
-            
+
+            $connection = Yii::$app->getDb();
+
+
+
+            $connection->createCommand()->dropForeignKey('product_option_product_product_id_fk','product_option')->execute();
+            $connection->createCommand()->dropForeignKey('product_option_tax_option_tax_option_id_fk','product_option')->execute();
+            $connection->createCommand()->dropForeignKey('product_variant_option_product_variant_product_variant_id_fk','product_variant_option')->execute();
+            $connection->createCommand()->dropForeignKey('product_variant_option_tax_option_tax_option_id_fk','product_variant_option')->execute();
+            $connection->createCommand()->dropPrimaryKey('product_option_pkey','product_option')->execute();
+            $connection->createCommand()->dropForeignKey('product_variant_option_pkey','product_variant_option')->execute();
+
+
+
             while (( empty( $limit ) || $j++ < $limit ) && ( $data = fgetcsv($handle, 10000, ";") ) !== false) {
                 try {
                     
@@ -768,6 +783,14 @@
                 }
                 
             }
+            $connection->createCommand()->addPrimaryKey('product_variant_option_pkey','product_variant_option',['product_variant_id', 'option_id'])->execute();
+            $connection->createCommand()->addPrimaryKey('product_option_pkey','product_option',['product_id', 'option_id'])->execute();
+            $connection->createCommand()->addForeignKey('product_variant_option_product_variant_product_variant_id_fk','product_variant_option','product_variant_id','product_variant','id')->execute();
+            $connection->createCommand()->addForeignKey('product_variant_option_tax_option_tax_option_id_fk','product_variant_option','option_id','tax_option','id')->execute();
+            $connection->createCommand()->addForeignKey('product_option_product_product_id_fk','product_option','product_id','product','id','CASCADE','CASCADE' )->execute();
+            $connection->createCommand()->addForeignKey('product_option_tax_option_tax_option_id_fk','product_option','option_id', 'tax_option', 'id','CASCADE','CASCADE' )->execute();
+
+
             
             $result = [
                 'end'       => feof($handle),
--
libgit2 0.21.4