diff --git a/src/PgService/JsonRpcInterface/PgUserPaperRecordInterface.php b/src/PgService/JsonRpcInterface/PgUserPaperRecordInterface.php
index 47390a7..157b54b 100644
--- a/src/PgService/JsonRpcInterface/PgUserPaperRecordInterface.php
+++ b/src/PgService/JsonRpcInterface/PgUserPaperRecordInterface.php
@@ -53,4 +53,13 @@ interface PgUserPaperRecordInterface
      * @return array
      */
     public function appGetPgPaperDetail(int $userId, int $paperId): array;
+
+    /**
+     * 删除用户答题记录
+     * @param int $userId 用户id
+     * @param int $paperId 试卷id
+     * @param int $sectionId 章节id
+     * @return void
+     */
+    public function deleteUserPaperRecord(int $userId, int $paperId, int $sectionId = 0): void;
 }