diff --git a/src/PgService/PgService.php b/src/PgService/PgService.php
index f947302..5b16883 100644
--- a/src/PgService/PgService.php
+++ b/src/PgService/PgService.php
@@ -5,12 +5,14 @@ declare(strict_types=1);
 namespace Dhd\Micro\Interface\PgService;
 
 use Dhd\Micro\Interface\PgService\JsonRpcInterface\Crm\SchoolInterface;
+use Dhd\Micro\Interface\PgService\JsonRpcInterface\PgPaperInterface;
 use Dhd\Micro\Interface\PgService\JsonRpcInterface\PgSubjectInterface;
 use Dhd\Micro\Interface\PgService\JsonRpcInterface\PgPhaseInterface;
 use Dhd\Micro\Interface\PgService\JsonRpcInterface\PgUserPaperRecordInterface;
 
 interface PgService extends
     SchoolInterface,
+    PgPaperInterface,
     PgSubjectInterface,
     PgPhaseInterface,
     PgUserPaperRecordInterface {}