diff --git a/models/Import.php b/models/Import.php
index a57745c..e0d6f55 100755
--- a/models/Import.php
+++ b/models/Import.php
@@ -622,13 +622,20 @@
             $connection = Yii::$app->getDb();
 
 
+            $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();
+
 
-            //$connection->createCommand()->dropForeignKey('product_option_product_product_id_fk','product_option')->execute();
-            //$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();
+//            $connection->createCommand()->dropForeignKey('product_option_tax_option_tax_option_id_fk','product_option')->execute();
+//            $connection->createCommand()->dropForeignKey('product_option_product_product_id_fk','product_option')->execute();
+//            $connection->createCommand()->dropForeignKey('product_variant_option_tax_option_tax_option_id_fk','product_variant_option')->execute();
+//            $connection->createCommand()->dropForeignKey('product_variant_option_product_variant_product_variant_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();
 
 
 
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