From 6c69a76ac5a30d31752908dff9d5ec05b108f76a Mon Sep 17 00:00:00 2001
From: luogw <3132758203@qq.com>
Date: Tue, 28 Jul 2026 08:50:05 +0800
Subject: [PATCH] =?UTF-8?q?=E5=88=A0=E9=99=A4=E4=BA=8C=E7=BA=A7=E5=88=86?=
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---
 .../impl/ClassicCategoryApplicationServiceImpl.java       | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/src/main/java/com/project/classicpaper/application/impl/ClassicCategoryApplicationServiceImpl.java b/src/main/java/com/project/classicpaper/application/impl/ClassicCategoryApplicationServiceImpl.java
index 750fafd..c3d21a5 100644
--- a/src/main/java/com/project/classicpaper/application/impl/ClassicCategoryApplicationServiceImpl.java
+++ b/src/main/java/com/project/classicpaper/application/impl/ClassicCategoryApplicationServiceImpl.java
@@ -257,6 +257,14 @@ public class ClassicCategoryApplicationServiceImpl implements ClassicCategoryApp
                 throw new BusinessErrorException("该分类下存在子分类，无法删除");
             }
         }
+        // 如果是二级分类，校验是否存在套题
+        if (Objects.equals(category.getLevel(), 2)) {
+            long paperSetCount = classicPaperSetBaseService.count(
+                    new LambdaQueryWrapper<ClassicPaperSetEntity>().eq(ClassicPaperSetEntity::getClassicCategoryId, id));
+            if (paperSetCount > 0) {
+                throw new BusinessErrorException("该分类下存在套题，无法删除");
+            }
+        }
         classicCategoryBaseService.removeById(id);
         return Result.success("删除成功");
     }