diff --git a/mt/src/main/java/com/ccsens/mt/bean/dto/TopicDto.java b/mt/src/main/java/com/ccsens/mt/bean/dto/TopicDto.java
index 4afa4e59..613cd494 100644
--- a/mt/src/main/java/com/ccsens/mt/bean/dto/TopicDto.java
+++ b/mt/src/main/java/com/ccsens/mt/bean/dto/TopicDto.java
@@ -64,8 +64,12 @@ public class TopicDto {
     @Data
     @ApiModel("题目id")
     public static class Topic{
+        @NotNull
         @ApiModelProperty("题目id")
         private Long topicId;
+        @NotNull
+        @ApiModelProperty("项目ID")
+        private Long projectId;
     }
 
     @Data
diff --git a/mt/src/main/java/com/ccsens/mt/persist/dao/GroupDao.java b/mt/src/main/java/com/ccsens/mt/persist/dao/GroupDao.java
new file mode 100644
index 00000000..62d7677c
--- /dev/null
+++ b/mt/src/main/java/com/ccsens/mt/persist/dao/GroupDao.java
@@ -0,0 +1,17 @@
+package com.ccsens.mt.persist.dao;
+
+import com.ccsens.mt.bean.dto.TopicDto;
+import com.ccsens.mt.bean.vo.TopicVo;
+
+/**
+ * 答题项目
+ * @author whj
+ */
+public interface GroupDao {
+    /**
+     * 查询抢答成功的组信息
+     * @param topic 抢答条件
+     * @return 组
+     */
+    TopicVo.GroupInfo getResponder(TopicDto.Topic topic);
+}
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 fd42664d..d2718a8b 100644
--- a/mt/src/main/java/com/ccsens/mt/service/TopicService.java
+++ b/mt/src/main/java/com/ccsens/mt/service/TopicService.java
@@ -3,6 +3,9 @@ package com.ccsens.mt.service;
 import com.ccsens.mt.bean.dto.TopicDto;
 import com.ccsens.mt.bean.vo.TopicVo;
 import com.ccsens.mt.persist.dao.TopicDao;
+import com.ccsens.mt.persist.dao.GroupDao;
+import com.ccsens.mt.util.Constant;
+import com.ccsens.util.RedisUtil;
 import lombok.extern.slf4j.Slf4j;
 import org.springframework.stereotype.Service;
 import org.springframework.transaction.annotation.Propagation;
@@ -15,9 +18,15 @@ import java.util.List;
 @Service
 @Transactional(propagation = Propagation.REQUIRED,rollbackFor = Exception.class)
 public class TopicService implements ITopicService{
+
     @Resource
     private TopicDao topicDao;
 
+    @Resource
+    private RedisUtil redisUtil;
+    @Resource
+    private GroupDao groupDao;
+
     @Override
     public TopicVo.TopicInfo getTopicByLink(TopicDto.GetTopic getTopic) {
         log.info("查询题目：{}",getTopic.toString());
@@ -41,7 +50,7 @@ public class TopicService implements ITopicService{
 
     @Override
     public void responderStart(TopicDto.Topic topic) {
-
+        redisUtil.set(topic.getProjectId()+ Constant.Redis.START_QUESTION,topic.getProjectId(), Constant.Redis.TIME_OUT);
     }
 
     @Override
@@ -51,7 +60,15 @@ public class TopicService implements ITopicService{
 
     @Override
     public TopicVo.GroupInfo getResponder(TopicDto.Topic topic) {
-        return null;
+        log.info("查询抢答成功的组请求：{}", topic);
+        Object o = redisUtil.get(topic.getProjectId() + Constant.Redis.RESPONDER + topic.getTopicId());
+        log.info("缓存：{}", o);
+        if (o!=null) {
+            return (TopicVo.GroupInfo)o;
+        }
+        TopicVo.GroupInfo info = groupDao.getResponder(topic);
+        log.info("查询抢答成功的组：{}", info);
+        return info;
     }
 
     @Override
diff --git a/mt/src/main/java/com/ccsens/mt/util/Constant.java b/mt/src/main/java/com/ccsens/mt/util/Constant.java
new file mode 100644
index 00000000..bef13826
--- /dev/null
+++ b/mt/src/main/java/com/ccsens/mt/util/Constant.java
@@ -0,0 +1,18 @@
+package com.ccsens.mt.util;
+
+/**
+ * @description:
+ * @author: whj
+ * @time: 2020/8/13 17:14
+ */
+public class Constant {
+    public static class Redis{
+        // 项目正在进行中的题目 项目ID_start_question
+        public final static String START_QUESTION = "_start_question";
+        // 有效期10分钟
+        public final static long TIME_OUT = 10 * 60;
+        // 抢答成功的队伍 项目ID_responder_题目ID
+        public final static String RESPONDER = "_responder_";
+
+    }
+}
diff --git a/mt/src/main/resources/mapper_dao/GroupDao.xml b/mt/src/main/resources/mapper_dao/GroupDao.xml
new file mode 100644
index 00000000..fb5deaea
--- /dev/null
+++ b/mt/src/main/resources/mapper_dao/GroupDao.xml
@@ -0,0 +1,23 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!DOCTYPE mapper PUBLIC "-//mybatis.org//DTD Mapper 3.0//EN" "http://mybatis.org/dtd/mybatis-3-mapper.dtd">
+<mapper namespace="com.ccsens.mt.persist.dao.GroupDao">
+
+
+    <select id="getResponder" resultType="com.ccsens.mt.bean.vo.TopicVo$GroupInfo">
+        SELECT
+            g.id as groupId,
+            g.NAME as groupName
+        FROM
+            t_mt_responder r,
+            t_mt_group g
+        WHERE
+            r.group_id = g.id
+            AND g.project_id = 1
+            AND r.topic_id = 1
+            AND r.rec_status = 0
+            AND g.rec_status = 0
+        ORDER BY
+            r.created_at DESC
+            LIMIT 1
+    </select>
+</mapper>
\ No newline at end of file