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Date: Tue, 8 Sep 2026 09:51:15 +0800
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---
 .../JsonRpcInterface/CampusRelationInterface.php            | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/src/ExamService/JsonRpcInterface/CampusRelationInterface.php b/src/ExamService/JsonRpcInterface/CampusRelationInterface.php
index 3647703..d2415dc 100644
--- a/src/ExamService/JsonRpcInterface/CampusRelationInterface.php
+++ b/src/ExamService/JsonRpcInterface/CampusRelationInterface.php
@@ -27,13 +27,13 @@ interface CampusRelationInterface
     public function getCategoriesByConditions(int $campusId, int $examTypeId, int $subjectId): array;
 
     /**
-     * App 平台方法：指定地区+招考类型+科目下的题型分类树。
+     * App 平台方法：指定地区+招考类型下的题型分类树，可选按科目过滤。
      * @param int $regionId 招考地区ID，0=全部
      * @param int $examTypeId 招考类型ID
-     * @param int $subjectId 考试科目ID
+     * @param int $subjectId 考试科目ID，0=不限科目
      * @return array
      */
-    public function appGetCategoriesByRegionExamTypeSubject(int $regionId, int $examTypeId, int $subjectId): array;
+    public function appGetCategoriesByRegionExamTypeSubject(int $regionId, int $examTypeId, int $subjectId = 0): array;
 
     /**
      * App 平台方法：按招考类型获取首页科目列表，并统计模拟/真题套卷总套数。