diff --git a/src/ExamService/PaperInterface.php b/src/ExamService/PaperInterface.php
index b95a85e..32eda26 100644
--- a/src/ExamService/PaperInterface.php
+++ b/src/ExamService/PaperInterface.php
@@ -57,4 +57,13 @@ interface PaperInterface
      * 获取试卷的题目列表
      */
     public function getPaperQuestionList(int $paperId, bool $getCorrect = false, string $platform = 'admin'): array;
+
+    /**
+     * 按年份统计试卷数量
+     * @param int $paperType 试卷类型
+     * @param int $campusId 校区ID
+     * @param int $examTypeId 考试类型ID
+     * @return array 统计结果
+     */
+    public function getPaperTotalByYear(int $paperType, int $campusId, int $examTypeId): array;
 }