diff --git a/src/main/java/com/project/classicpaper/domain/entity/ClassicPaperEntity.java b/src/main/java/com/project/classicpaper/domain/entity/ClassicPaperEntity.java
index 827f414..4d32295 100644
--- a/src/main/java/com/project/classicpaper/domain/entity/ClassicPaperEntity.java
+++ b/src/main/java/com/project/classicpaper/domain/entity/ClassicPaperEntity.java
@@ -13,7 +13,9 @@ import org.hibernate.annotations.Comment;
 @Data
 @Table(name = "evaluator_classic_paper",
         indexes = {@Index(name = "Idx_sub_line_id", columnList = "sub_line_id"),
-                @Index(name = "Idx_status", columnList = "status")})
+                @Index(name = "Idx_status", columnList = "status") ,
+                @Index(name = "Idx_setId", columnList = "set_id")
+        })
 @Entity
 @TableName(value = "evaluator_classic_paper")
 @EqualsAndHashCode(callSuper = true)
diff --git a/src/main/java/com/project/ding/config/SecurityConfig.java b/src/main/java/com/project/ding/config/SecurityConfig.java
index 4625490..7e1553d 100644
--- a/src/main/java/com/project/ding/config/SecurityConfig.java
+++ b/src/main/java/com/project/ding/config/SecurityConfig.java
@@ -31,6 +31,7 @@ public class SecurityConfig {
                 .requestMatchers("/api/login/**" ,
                         "/api/public/**",
                         "/api/milvus/**",
+                        "/api/admin/classicPaperSet/importWord",
                         "/api/interaction/**").permitAll()
                 // 管理端锁定
                 .requestMatchers("/api/admin/**").hasRole("ADMIN")
diff --git a/src/main/java/com/project/question/domain/entity/QuestionEntity.java b/src/main/java/com/project/question/domain/entity/QuestionEntity.java
index 2fadc36..10e5c9a 100644
--- a/src/main/java/com/project/question/domain/entity/QuestionEntity.java
+++ b/src/main/java/com/project/question/domain/entity/QuestionEntity.java
@@ -16,10 +16,12 @@ import org.hibernate.annotations.JdbcTypeCode;
 import org.hibernate.type.SqlTypes;
 import org.springframework.beans.BeanUtils;
 
+import java.util.HashMap;
 import java.util.List;
 import java.util.Map;
 import java.util.Objects;
 import java.util.function.Supplier;
+import java.util.stream.Collectors;
 
 
 @Data
@@ -77,12 +79,46 @@ public class QuestionEntity extends BaseEntity {
         private String analysis; // AI解析
         // V1.1 新增：简答题得分点（多点得分制）
         private List<ScoringPoint> scoringPoints;
+        // 1. 无参构造（Jackson/MyBatis 需要）
+        public QuestionDetail() {}
+
+        // 2. 拷贝构造函数：实现深拷贝
+        public QuestionDetail(QuestionDetail other) {
+            if (other == null) return;
+            this.questionContent = other.questionContent;
+            this.type = other.type;
+            this.rightAnswer = other.rightAnswer;
+            this.analysis = other.analysis;
+
+            // 深拷贝 Map：创建新的 HashMap 实例
+            if (other.options != null) {
+                this.options = new HashMap<>(other.options);
+            }
+
+            // 深拷贝 List：创建新的 List 实例，并拷贝其中的每个 ScoringPoint 对象
+            if (other.scoringPoints != null) {
+                this.scoringPoints = other.scoringPoints.stream()
+                        .map(ScoringPoint::new) // 调用 ScoringPoint 的拷贝构造
+                        .collect(Collectors.toList());
+            }
+        }
     }
 
     @Data
     public static class ScoringPoint {
         private Integer index; // 得分点序号
         private String content; // 得分点内容
+
+        public ScoringPoint() {
+        }
+        // 拷贝构造函数
+        public ScoringPoint(ScoringPoint other) {
+            if (other == null) {
+                return;
+            }
+            this.index = other.index;
+            this.content = other.content;
+        }
     }
     @Override
     public <T> T toDTO(Supplier<T> supplier) {
diff --git a/src/main/java/com/project/question/domain/entity/TaskKnowledgeClusterEntity.java b/src/main/java/com/project/question/domain/entity/TaskKnowledgeClusterEntity.java
index c64268b..bc388d1 100644
--- a/src/main/java/com/project/question/domain/entity/TaskKnowledgeClusterEntity.java
+++ b/src/main/java/com/project/question/domain/entity/TaskKnowledgeClusterEntity.java
@@ -12,7 +12,8 @@ import org.hibernate.annotations.Comment;
 
 @Data
 @Table(name = "evaluator_task_knowledge_cluster" ,
-        indexes = {@Index(name = "Idx_taskId", columnList = "task_id")})
+        indexes = {@Index(name = "Idx_taskId", columnList = "task_id") ,
+                @Index(name = "Idx_groupId", columnList = "group_id")})
 @Entity
 @TableName(value = "evaluator_task_knowledge_cluster", autoResultMap = true)
 @EqualsAndHashCode(callSuper = true)
diff --git a/src/main/java/com/project/task/domain/service/impl/SaveOrUpdateTaskDomainServiceImpl.java b/src/main/java/com/project/task/domain/service/impl/SaveOrUpdateTaskDomainServiceImpl.java
index b779920..7b3d852 100644
--- a/src/main/java/com/project/task/domain/service/impl/SaveOrUpdateTaskDomainServiceImpl.java
+++ b/src/main/java/com/project/task/domain/service/impl/SaveOrUpdateTaskDomainServiceImpl.java
@@ -223,7 +223,10 @@ public class SaveOrUpdateTaskDomainServiceImpl implements SaveOrUpdateTaskDomain
         }
 
         // 3. 复制簇记录，建立新旧ID映射（因为 clusterId 需要指向新创建的簇）
-        Map<Long, Long> clusterIdMapping = new HashMap<>();
+        List<TaskKnowledgeClusterEntity> newClusters = new ArrayList<>();
+        // 用来临时记录 旧ID -> 新实体 的映射
+        Map<Long, TaskKnowledgeClusterEntity> tempClusterMap = new HashMap<>();
+
         for (TaskKnowledgeClusterEntity template : templateClusters) {
             TaskKnowledgeClusterEntity newCluster = new TaskKnowledgeClusterEntity();
             newCluster.setTaskId(taskId);
@@ -231,11 +234,24 @@ public class SaveOrUpdateTaskDomainServiceImpl implements SaveOrUpdateTaskDomain
             newCluster.setClusterTopic(template.getClusterTopic());
             newCluster.setClusterSize(template.getClusterSize());
             newCluster.setGroupId(classicPaperSetId);
-            taskKnowledgeClusterBaseService.save(newCluster);
-            clusterIdMapping.put(template.getId(), newCluster.getId());
+
+            newClusters.add(newCluster);
+            tempClusterMap.put(template.getId(), newCluster);
+        }
+
+        if (!newClusters.isEmpty()) {
+            // ⚠️ 优化点：一次性批量插入！此时 MyBatis-Plus 会将数据库生成的 ID 回填到 newClusters 的对象中
+            taskKnowledgeClusterBaseService.saveBatch(newClusters);
         }
 
-        // 4. 复制知识点记录，更新 clusterId 指向新创建的簇
+        // 4. 构建 新旧 ID 映射
+        Map<Long, Long> clusterIdMapping = new HashMap<>();
+        for (Map.Entry<Long, TaskKnowledgeClusterEntity> entry : tempClusterMap.entrySet()) {
+            // 此时 entry.getValue().getId() 已经有值了
+            clusterIdMapping.put(entry.getKey(), entry.getValue().getId());
+        }
+
+        // 5. 复制知识点记录，更新 clusterId 指向新创建的簇
         List<TaskKnowledgePointEntity> newPoints = new ArrayList<>();
         for (TaskKnowledgePointEntity template : templatePoints) {
             TaskKnowledgePointEntity newPoint = new TaskKnowledgePointEntity();
@@ -309,14 +325,13 @@ public class SaveOrUpdateTaskDomainServiceImpl implements SaveOrUpdateTaskDomain
             snapshot.setQuestionId(pq.getQuestionId());
             snapshot.setSortOrder(pq.getSortOrder());
             snapshot.setQuestionType(pq.getQuestionType());
-            // 深拷贝 questionDetail，避免快照与 QuestionEntity 共享同一对象引用
-            QuestionEntity.QuestionDetail detailCopy = new QuestionEntity.QuestionDetail();
-            BeanUtils.copyProperties(question.getQuestionDetail(), detailCopy);
-            snapshot.setQuestionDetail(detailCopy);
+            if (question.getQuestionDetail() != null) {
+                snapshot.setQuestionDetail(new QuestionEntity.QuestionDetail(question.getQuestionDetail()));
+            }
             snapshots.add(snapshot);
         }
         if (!snapshots.isEmpty()) {
-            taskPaperSnapshotBaseService.saveBatch(snapshots);
+            taskPaperSnapshotBaseService.saveBatch(snapshots , 300);
         }
     }