diff --git a/console/migrations/m150922_094313_change_key_ImportFiles.php b/console/migrations/m150922_094313_change_key_ImportFiles.php
new file mode 100644
index 0000000..e1f63db
--- /dev/null
+++ b/console/migrations/m150922_094313_change_key_ImportFiles.php
@@ -0,0 +1,21 @@
+<?php
+
+use yii\db\Schema;
+use yii\db\Migration;
+
+class m150922_094313_change_key_ImportFiles extends Migration
+{
+    public function up()
+    {
+        $this->dropIndex('importer_id', '{{%importer_files}}');
+        $this->createIndex('importer_id', '{{%importer_files}}', 'importer_id, upload_time', false);
+    }
+
+    public function down()
+    {
+        $this->dropIndex('importer_id', '{{%importer_files}}');
+        $this->createIndex('importer_id', '{{%importer_files}}', 'importer_id, time_start', false);
+    }
+
+
+}
--
libgit2 0.21.4