diff --git a/src/main/java/com/project/classicpaper/application/impl/ClassicPaperSetApplicationServiceImpl.java b/src/main/java/com/project/classicpaper/application/impl/ClassicPaperSetApplicationServiceImpl.java
index d1e17d6..f950ea2 100644
--- a/src/main/java/com/project/classicpaper/application/impl/ClassicPaperSetApplicationServiceImpl.java
+++ b/src/main/java/com/project/classicpaper/application/impl/ClassicPaperSetApplicationServiceImpl.java
@@ -152,6 +152,28 @@ public class ClassicPaperSetApplicationServiceImpl implements ClassicPaperSetApp
         computeScoreRatio(paperSet, setDTO);
 
         if (paperId == null) {
+            // 填充版本精简信息（不返回具体题目）
+            List<ClassicPaperEntity> papers = classicPaperBaseService.list(
+                    new LambdaQueryWrapper<ClassicPaperEntity>()
+                            .select(ClassicPaperEntity::getId, ClassicPaperEntity::getName,
+                                    ClassicPaperEntity::getSetIndex, ClassicPaperEntity::getStatus)
+                            .eq(ClassicPaperEntity::getSetId, setId)
+                            .orderByAsc(ClassicPaperEntity::getSetIndex)
+            );
+            if (!papers.isEmpty()) {
+                List<ClassicPaperDTO> versions = papers.stream()
+                        .map(p -> {
+                            ClassicPaperDTO v = new ClassicPaperDTO();
+                            v.setId(p.getId());
+                            v.setName(p.getName());
+                            v.setSetIndex(p.getSetIndex());
+                            v.setStatus(p.getStatus());
+                            v.setStatusText(ClassicPaperStatusEnum.findByValue(p.getStatus()));
+                            return v;
+                        })
+                        .toList();
+                setDTO.setVersions(versions);
+            }
             return Result.success(setDTO);
         }
 
diff --git a/src/main/java/com/project/classicpaper/domain/service/impl/SavePaperSetDomainServiceImpl.java b/src/main/java/com/project/classicpaper/domain/service/impl/SavePaperSetDomainServiceImpl.java
index 370f7bc..d417f1f 100644
--- a/src/main/java/com/project/classicpaper/domain/service/impl/SavePaperSetDomainServiceImpl.java
+++ b/src/main/java/com/project/classicpaper/domain/service/impl/SavePaperSetDomainServiceImpl.java
@@ -1,5 +1,6 @@
 package com.project.classicpaper.domain.service.impl;
 
+import cn.hutool.core.util.StrUtil;
 import com.baomidou.mybatisplus.core.conditions.query.LambdaQueryWrapper;
 import com.fasterxml.jackson.core.type.TypeReference;
 import com.fasterxml.jackson.databind.ObjectMapper;
@@ -9,7 +10,6 @@ import com.project.classicpaper.domain.dto.ClassicPaperSetDTO;
 import com.project.classicpaper.domain.entity.ClassicPaperEntity;
 import com.project.classicpaper.domain.entity.ClassicPaperQuestionEntity;
 import com.project.classicpaper.domain.entity.ClassicPaperSetEntity;
-import com.project.classicpaper.domain.enums.ClassicPaperStatusEnum;
 import com.project.classicpaper.domain.service.ClassicPaperBaseService;
 import com.project.classicpaper.domain.service.ClassicPaperQuestionBaseService;
 import com.project.classicpaper.domain.service.ClassicPaperSetBaseService;
@@ -52,7 +52,21 @@ public class SavePaperSetDomainServiceImpl implements SavePaperSetDomainService
             throw new BusinessErrorException("套题组不存在");
         }
 
-        // 2. 更新分值比例
+        // 2. 更新名称（如果传了且不同）
+        if (StrUtil.isNotBlank(request.getName()) && !request.getName().equals(paperSet.getName())) {
+            // 同一分类下名称不能重复（排除自身）
+            long nameCount = classicPaperSetBaseService.count(
+                    new LambdaQueryWrapper<ClassicPaperSetEntity>()
+                            .eq(ClassicPaperSetEntity::getClassicCategoryId, paperSet.getClassicCategoryId())
+                            .eq(ClassicPaperSetEntity::getName, request.getName())
+                            .ne(ClassicPaperSetEntity::getId, setId));
+            if (nameCount > 0) {
+                throw new BusinessErrorException("同一分类下套题名称已存在");
+            }
+            paperSet.setName(request.getName());
+        }
+
+        // 3. 更新分值比例
         String scoreRatio = buildScoreRatioFromFields(request);
         if (scoreRatio != null) {
             paperSet.setScoreRatio(scoreRatio);