diff --git a/mt/src/main/java/com/ccsens/mt/bean/vo/TopicVo.java b/mt/src/main/java/com/ccsens/mt/bean/vo/TopicVo.java
index 4da64334..db24039e 100644
--- a/mt/src/main/java/com/ccsens/mt/bean/vo/TopicVo.java
+++ b/mt/src/main/java/com/ccsens/mt/bean/vo/TopicVo.java
@@ -42,7 +42,8 @@ public class TopicVo {
         @ApiModelProperty("最大题号")
         private Integer max ;
     }
-
+    @Data
+    @ApiModel("答题记录")
     public static class Answer{
         @ApiModelProperty("分组ID")
         private Long groupId;
diff --git a/mt/src/main/java/com/ccsens/mt/service/TopicService.java b/mt/src/main/java/com/ccsens/mt/service/TopicService.java
index e5fa2306..a64dc00c 100644
--- a/mt/src/main/java/com/ccsens/mt/service/TopicService.java
+++ b/mt/src/main/java/com/ccsens/mt/service/TopicService.java
@@ -83,6 +83,19 @@ public class TopicService implements ITopicService{
                 if(ObjectUtil.isNull(group)){
                     throw new BaseException(CodeEnum.NOT_GROUP);
                 }
+                //查找该组这道题之前的提交记录，有则删除重新添加
+                int groupTopicScore = 0;
+                MtGroupTopicExample groupTopicExample = new MtGroupTopicExample();
+                groupTopicExample.createCriteria().andTopicIdEqualTo(saveAnswers.getTopicId())
+                        .andGroupIdEqualTo(saveAnswersGroup.getGroupId());
+                List<MtGroupTopic> mtGroupTopicList = groupTopicDao.selectByExample(groupTopicExample);
+                if(CollectionUtil.isNotEmpty(mtGroupTopicList)){
+                    for(MtGroupTopic groupTopic:mtGroupTopicList){
+                        groupTopicScore += groupTopic.getScore();
+                        groupTopic.setRecStatus((byte) 2);
+                        groupTopicDao.updateByPrimaryKeySelective(groupTopic);
+                    }
+                }
                 //添加分组答题的信息
                 MtGroupTopic groupTopic = new MtGroupTopic();
                 groupTopic.setId(snowflake.nextId());
@@ -100,7 +113,7 @@ public class TopicService implements ITopicService{
                 groupTopic.setScore(score);
                 groupTopicDao.insertSelective(groupTopic);
                 //修改分组的分数
-                group.setScore(group.getScore() + score);
+                group.setScore(group.getScore() + score - groupTopicScore);
                 groupDao.updateByPrimaryKeySelective(group);
             });
         }
@@ -174,7 +187,7 @@ public class TopicService implements ITopicService{
             redisUtil.set(group.getProjectId() + Constant.Redis.RESPONDER + o,group.getGroupId(),Constant.Redis.TIME_OUT);
             //储存数据库
             MtResponderExample responderExample = new MtResponderExample();
-            responderExample.createCriteria().andTopicIdEqualTo((long)o).andGroupIdEqualTo(group.getGroupId());
+            responderExample.createCriteria().andTopicIdEqualTo((long)(int)o).andGroupIdEqualTo(group.getGroupId());
             List<MtResponder> mtResponderList = mtResponderMapper.selectByExample(responderExample);
             if(CollectionUtil.isNotEmpty(mtResponderList)){
                 return;
@@ -182,7 +195,7 @@ public class TopicService implements ITopicService{
             MtResponder mtResponder = new MtResponder();
             mtResponder.setId(snowflake.nextId());
             mtResponder.setGroupId(group.getGroupId());
-            mtResponder.setTopicId((long)o);
+            mtResponder.setTopicId((long)(int)o);
             mtResponderMapper.insertSelective(mtResponder);
         }
     }
@@ -193,7 +206,7 @@ public class TopicService implements ITopicService{
         Object o = redisUtil.get(topic.getProjectId() + Constant.Redis.RESPONDER + topic.getTopicId());
         log.info("缓存：{}", o);
         if (o!=null) {
-            MtGroup mtGroup = mtGroupMapper.selectByPrimaryKey((Long) o);
+            MtGroup mtGroup = mtGroupMapper.selectByPrimaryKey((long)(int)o);
             if (mtGroup == null) {
                 throw new BaseException(CodeEnum.PARAM_ERROR);
             }