diff --git a/src/PgService/JsonRpcInterface/BaseData/StudentInterface.php b/src/PgService/JsonRpcInterface/BaseData/StudentInterface.php
index 0cad87b..1e0ab15 100644
--- a/src/PgService/JsonRpcInterface/BaseData/StudentInterface.php
+++ b/src/PgService/JsonRpcInterface/BaseData/StudentInterface.php
@@ -30,10 +30,10 @@ interface StudentInterface
     /**
      * 更新学生座位号
      * @param int $studentId 学生ID
-     * @param string $seatNo 座位号
+     * @param int $seatNo 座位号
      * @return void
      */
-    public function updateStudentSeatNo(int $studentId, string $seatNo): void;
+    public function updateStudentSeatNo(int $studentId, int $seatNo): void;
 
 
     /**