diff --git a/src/DataService/DataServiceInterface.php b/src/DataService/DataServiceInterface.php
index 104cfc6..16c45c5 100644
--- a/src/DataService/DataServiceInterface.php
+++ b/src/DataService/DataServiceInterface.php
@@ -42,7 +42,7 @@ interface DataServiceInterface
     public function updateExamType(int $id, array $data): bool;
     public function deleteExamType(int $id): bool;
     public function getExamTypesByCampusId(int $campusId): array;
-
+    public function getExamTypeByIds(array $ids): array;
 
     // 科目相关
     public function getSubjects(array $data): array;