diff --git a/src/main/java/com/project/exam/domain/service/impl/GetDetailExamRecordDomainServiceImpl.java b/src/main/java/com/project/exam/domain/service/impl/GetDetailExamRecordDomainServiceImpl.java
index 460e5f9..c3a1cb1 100644
--- a/src/main/java/com/project/exam/domain/service/impl/GetDetailExamRecordDomainServiceImpl.java
+++ b/src/main/java/com/project/exam/domain/service/impl/GetDetailExamRecordDomainServiceImpl.java
@@ -1,10 +1,16 @@
 package com.project.exam.domain.service.impl;
 
+import cn.hutool.core.lang.Assert;
 import com.project.base.domain.result.Result;
 import com.project.exam.domain.dto.ExamRecordDTO;
 import com.project.exam.domain.service.BuildExamRecordDomainService;
 import com.project.exam.domain.service.GetDetailExamRecordDomainService;
 import com.project.exam.mapper.ExamRecordMapper;
+import com.project.task.domain.dto.TaskDTO;
+import com.project.task.domain.entity.TaskEntity;
+import com.project.task.domain.entity.TaskUserEntity;
+import com.project.task.domain.service.TaskBaseService;
+import com.project.task.domain.service.TaskUserBaseService;
 import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.stereotype.Service;
 
@@ -15,9 +21,20 @@ public class GetDetailExamRecordDomainServiceImpl implements GetDetailExamRecord
     private BuildExamRecordDomainService buildExamRecordDomainService;
     @Autowired
     private ExamRecordMapper examRecordMapper;
+    @Autowired
+    private TaskBaseService taskBaseService;
+    @Autowired
+    private TaskUserBaseService taskUserBaseService;
     @Override
     public Result<ExamRecordDTO> getDetail(Long id) throws Exception {
+        // 入参校验：杜绝空ID查询
+        Assert.notNull(id, "考试记录ID不能为空");
         ExamRecordDTO dto = examRecordMapper.selectById(id).toDTO(ExamRecordDTO::new);
+        TaskUserEntity taskUserEntity = taskUserBaseService.getById(dto.getTaskUserId());
+        TaskDTO taskDTO = taskBaseService.getById(taskUserEntity.getTaskId()).toDTO(TaskDTO::new);
+
+        dto.setTaskDTO(taskDTO);
+        dto.setId(taskDTO.getId());
 
         return Result.success(buildExamRecordDomainService.buildDTO(dto));
     }
diff --git a/src/main/java/com/project/milvus/application/impl/MilvusApplicationServiceImpl.java b/src/main/java/com/project/milvus/application/impl/MilvusApplicationServiceImpl.java
index 62fe8a9..d2ab3e1 100644
--- a/src/main/java/com/project/milvus/application/impl/MilvusApplicationServiceImpl.java
+++ b/src/main/java/com/project/milvus/application/impl/MilvusApplicationServiceImpl.java
@@ -57,7 +57,7 @@ public class MilvusApplicationServiceImpl implements MilvusApplicationService {
                 locked = lock.tryLock(2, 10, TimeUnit.SECONDS);
                 if (!locked) {
                     //休眠等待重试
-                    Thread.sleep(100 + new Random().nextInt(100));
+                    Thread.sleep(500 + new Random().nextInt(100));
                     retry--;
                 }
             }
@@ -87,11 +87,16 @@ public class MilvusApplicationServiceImpl implements MilvusApplicationService {
             title.setId(questionDTO.getId());
             milvusDemoService.insertRecord(title);
 
-        }catch (Exception e) {
+        }catch (InterruptedException e) {
             Thread.currentThread().interrupt();
             throw new RuntimeException("获取锁被中断", e);
+        } catch (Exception e) {
+            if (e instanceof MissingParameterException){
+                throw (MissingParameterException) e;
+            }
+            throw new RuntimeException(e);
         } finally {
-            if (locked && lock.isHeldByCurrentThread()) {
+            if (lock != null && locked && lock.isHeldByCurrentThread()) {
                 lock.unlock();
             }
         }
diff --git a/src/main/java/com/project/milvus/domain/service/impl/CheckMilvusDomainServiceImpl.java b/src/main/java/com/project/milvus/domain/service/impl/CheckMilvusDomainServiceImpl.java
index ff24ddf..fc5b090 100644
--- a/src/main/java/com/project/milvus/domain/service/impl/CheckMilvusDomainServiceImpl.java
+++ b/src/main/java/com/project/milvus/domain/service/impl/CheckMilvusDomainServiceImpl.java
@@ -110,7 +110,7 @@ public class CheckMilvusDomainServiceImpl implements CheckMilvusDomainService {
         String questionHash = buildQuestionHash(title.QuestionDetailDTO, title);
         QuestionEntity questionEntity = questionBaseService.getOne(new QueryWrapper<QuestionEntity>().eq("unique_hash", questionHash));
         if (questionEntity != null) {
-            throw new IllegalArgumentException("题目已存在"); // 空值防护
+            throw new MissingParameterException("题目已存在"); // 空值防护
         }
         title.setUniqueHash(questionHash);
     }
@@ -118,14 +118,14 @@ public class CheckMilvusDomainServiceImpl implements CheckMilvusDomainService {
         List<Long> taskKpIdsList = title.getTaskKpIdsList();
         List<TaskKnowledgePointEntity> taskKnowledgePointEntities = taskKnowledgePointBaseService.listByIds(taskKpIdsList);
         if (CollectionUtils.isEmpty(taskKnowledgePointEntities)) {
-            throw new IllegalArgumentException("知识点不存在"); // 空值防护
+            throw new MissingParameterException("知识点不存在"); // 空值防护
         }
         List<Long> kpIdsList = taskKnowledgePointEntities.stream().map(TaskKnowledgePointEntity::getAtomId).collect(Collectors.toList());
 
         //查询知识点并提取非空的 parseName
         List<KnowledgePointEntity> knowledgePointEntities = knowledgePointBaseService.listByIds(kpIdsList);
         if (CollectionUtils.isEmpty(knowledgePointEntities)) {
-            throw new IllegalArgumentException("知识点不存在"); // 空值防护
+            throw new MissingParameterException("知识点不存在"); // 空值防护
         }
 
         //提取非空 parseName 并去重，避免重复拼接