diff --git a/chat/api/src/main/java/com/tencent/supersonic/chat/api/pojo/response/ParseResp.java b/chat/api/src/main/java/com/tencent/supersonic/chat/api/pojo/response/ParseResp.java
index e8fc10db8..9af3946a9 100644
--- a/chat/api/src/main/java/com/tencent/supersonic/chat/api/pojo/response/ParseResp.java
+++ b/chat/api/src/main/java/com/tencent/supersonic/chat/api/pojo/response/ParseResp.java
@@ -21,6 +21,7 @@ public class ParseResp {
     private ParseState state;
     private List<SemanticParseInfo> selectedParses;
     private List<SemanticParseInfo> candidateParses;
+    private List<SolvedQueryRecallResp> similarSolvedQuery;
 
     public enum ParseState {
         COMPLETED,
diff --git a/chat/api/src/main/java/com/tencent/supersonic/chat/api/pojo/response/SolvedQueryRecallResp.java b/chat/api/src/main/java/com/tencent/supersonic/chat/api/pojo/response/SolvedQueryRecallResp.java
new file mode 100644
index 000000000..e92dd1cb1
--- /dev/null
+++ b/chat/api/src/main/java/com/tencent/supersonic/chat/api/pojo/response/SolvedQueryRecallResp.java
@@ -0,0 +1,17 @@
+package com.tencent.supersonic.chat.api.pojo.response;
+
+
+import lombok.Builder;
+import lombok.Data;
+
+@Data
+@Builder
+public class SolvedQueryRecallResp {
+
+    private Long queryId;
+
+    private Integer parseId;
+
+    private String queryText;
+
+}
\ No newline at end of file
diff --git a/chat/core/src/main/java/com/tencent/supersonic/chat/parser/plugin/embedding/EmbeddingConfig.java b/chat/core/src/main/java/com/tencent/supersonic/chat/parser/plugin/embedding/EmbeddingConfig.java
index df3bdfc0f..46ff9f848 100644
--- a/chat/core/src/main/java/com/tencent/supersonic/chat/parser/plugin/embedding/EmbeddingConfig.java
+++ b/chat/core/src/main/java/com/tencent/supersonic/chat/parser/plugin/embedding/EmbeddingConfig.java
@@ -23,4 +23,13 @@ public class EmbeddingConfig {
     @Value("${embedding.nResult:1}")
     private String nResult;
 
+    @Value("${embedding.solvedQuery.recall.path:/solved_query_retrival}")
+    private String solvedQueryRecallPath;
+
+    @Value("${embedding.solvedQuery.add.path:/solved_query_add}")
+    private String solvedQueryAddPath;
+
+    @Value("${embedding.solved.query.nResult:5}")
+    private String solvedQueryResultNum;
+
 }
diff --git a/chat/core/src/main/java/com/tencent/supersonic/chat/parser/plugin/embedding/RecallRetrieval.java b/chat/core/src/main/java/com/tencent/supersonic/chat/parser/plugin/embedding/RecallRetrieval.java
index 4d5470e4f..3a61970e9 100644
--- a/chat/core/src/main/java/com/tencent/supersonic/chat/parser/plugin/embedding/RecallRetrieval.java
+++ b/chat/core/src/main/java/com/tencent/supersonic/chat/parser/plugin/embedding/RecallRetrieval.java
@@ -14,4 +14,6 @@ public class RecallRetrieval {
 
     private String presetId;
 
+    private String query;
+
 }
diff --git a/chat/core/src/main/java/com/tencent/supersonic/chat/queryresponder/DefaultQueryResponder.java b/chat/core/src/main/java/com/tencent/supersonic/chat/queryresponder/DefaultQueryResponder.java
new file mode 100644
index 000000000..1c8030db0
--- /dev/null
+++ b/chat/core/src/main/java/com/tencent/supersonic/chat/queryresponder/DefaultQueryResponder.java
@@ -0,0 +1,141 @@
+package com.tencent.supersonic.chat.queryresponder;
+
+import com.alibaba.fastjson.JSONObject;
+import com.google.common.collect.Lists;
+import com.tencent.supersonic.chat.api.pojo.response.SolvedQueryRecallResp;
+import com.tencent.supersonic.chat.parser.plugin.embedding.EmbeddingConfig;
+import com.tencent.supersonic.chat.parser.plugin.embedding.EmbeddingResp;
+import com.tencent.supersonic.chat.parser.plugin.embedding.RecallRetrieval;
+import lombok.extern.slf4j.Slf4j;
+import org.apache.commons.collections.CollectionUtils;
+import org.apache.logging.log4j.util.Strings;
+import org.springframework.core.ParameterizedTypeReference;
+import org.springframework.http.HttpEntity;
+import org.springframework.http.HttpHeaders;
+import org.springframework.http.HttpMethod;
+import org.springframework.http.MediaType;
+import org.springframework.http.ResponseEntity;
+import org.springframework.stereotype.Component;
+import org.springframework.web.client.RestTemplate;
+import org.springframework.web.util.UriComponentsBuilder;
+import java.net.URI;
+import java.util.HashMap;
+import java.util.HashSet;
+import java.util.List;
+import java.util.Map;
+import java.util.Optional;
+import java.util.Set;
+
+@Slf4j
+@Component
+public class DefaultQueryResponder implements QueryResponder {
+
+
+    private EmbeddingConfig embeddingConfig;
+
+    private RestTemplate restTemplate;
+
+    public DefaultQueryResponder(EmbeddingConfig embeddingConfig,
+                          RestTemplate restTemplate) {
+        this.embeddingConfig = embeddingConfig;
+        this.restTemplate = restTemplate;
+    }
+
+    @Override
+    public void saveSolvedQuery(String queryText, Long queryId, Integer parseId) {
+        try {
+            String uniqueId = generateUniqueId(queryId, parseId);
+            Map<String, String> requestMap = new HashMap<>();
+            requestMap.put("query", queryText);
+            requestMap.put("query_id", uniqueId);
+            doRequest(embeddingConfig.getSolvedQueryAddPath(),
+                    JSONObject.toJSONString(Lists.newArrayList(requestMap)));
+        } catch (Exception e) {
+            log.warn("save history question to embedding failed, queryText:{}", queryText, e);
+        }
+    }
+
+    @Override
+    public List<SolvedQueryRecallResp> recallSolvedQuery(String queryText) {
+        List<SolvedQueryRecallResp> solvedQueryRecallResps = Lists.newArrayList();
+        try {
+            String url = embeddingConfig.getUrl() + embeddingConfig.getSolvedQueryRecallPath() + "?n_results="
+                    + embeddingConfig.getSolvedQueryResultNum();
+            HttpHeaders headers = new HttpHeaders();
+            headers.setContentType(MediaType.APPLICATION_JSON);
+            headers.setLocation(URI.create(url));
+            URI requestUrl = UriComponentsBuilder
+                    .fromHttpUrl(url).build().encode().toUri();
+            String jsonBody = JSONObject.toJSONString(Lists.newArrayList(queryText));
+            HttpEntity<String> entity = new HttpEntity<>(jsonBody, headers);
+            log.info("[embedding] request body:{}, url:{}", jsonBody, url);
+            ResponseEntity<List<EmbeddingResp>> embeddingResponseEntity =
+                    restTemplate.exchange(requestUrl, HttpMethod.POST, entity,
+                            new ParameterizedTypeReference<List<EmbeddingResp>>() {
+                            });
+            log.info("[embedding] recognize result body:{}", embeddingResponseEntity);
+            List<EmbeddingResp> embeddingResps = embeddingResponseEntity.getBody();
+            Set<String> querySet = new HashSet<>();
+            if (CollectionUtils.isNotEmpty(embeddingResps)) {
+                for (EmbeddingResp embeddingResp : embeddingResps) {
+                    List<RecallRetrieval> embeddingRetrievals = embeddingResp.getRetrieval();
+                    for (RecallRetrieval embeddingRetrieval : embeddingRetrievals) {
+                        if (querySet.contains(embeddingRetrieval.getQuery())) {
+                            continue;
+                        }
+                        String id = embeddingRetrieval.getId();
+                        SolvedQueryRecallResp solvedQueryRecallResp =
+                                SolvedQueryRecallResp.builder()
+                                        .queryText(embeddingRetrieval.getQuery())
+                                        .queryId(getQueryId(id)).parseId(getParseId(id))
+                                        .build();
+                        solvedQueryRecallResps.add(solvedQueryRecallResp);
+                        querySet.add(embeddingRetrieval.getQuery());
+                    }
+                }
+            }
+        } catch (Exception e) {
+            log.warn("recall similar solved query failed, queryText:{}", queryText);
+        }
+        return solvedQueryRecallResps;
+    }
+
+    private String generateUniqueId(Long queryId, Integer parseId) {
+        String uniqueId = queryId + String.valueOf(parseId);
+        if (parseId < 10) {
+            uniqueId = queryId + String.format("0%s", parseId);
+        }
+        return uniqueId;
+    }
+
+    private Long getQueryId(String uniqueId) {
+        return Long.parseLong(uniqueId) / 100;
+    }
+
+    private Integer getParseId(String uniqueId) {
+        return Integer.parseInt(uniqueId) % 100;
+    }
+
+    private ResponseEntity<String> doRequest(String path, String jsonBody) {
+        if (Strings.isEmpty(embeddingConfig.getUrl())) {
+            return ResponseEntity.of(Optional.empty());
+        }
+        String url = embeddingConfig.getUrl() + path;
+        try {
+            HttpHeaders headers = new HttpHeaders();
+            headers.setContentType(MediaType.APPLICATION_JSON);
+            headers.setLocation(URI.create(url));
+            URI requestUrl = UriComponentsBuilder
+                    .fromHttpUrl(url).build().encode().toUri();
+            HttpEntity<String> entity = new HttpEntity<>(jsonBody, headers);
+            log.info("[embedding] request body :{}, url:{}", jsonBody, url);
+            ResponseEntity<String> responseEntity = restTemplate.exchange(requestUrl,
+                    HttpMethod.POST, entity, new ParameterizedTypeReference<String>() {});
+            log.info("[embedding] result body:{}", responseEntity);
+            return responseEntity;
+        } catch (Exception e) {
+            log.warn("connect to embedding service failed, url:{}", url);
+        }
+        return ResponseEntity.of(Optional.empty());
+    }
+}
diff --git a/chat/core/src/main/java/com/tencent/supersonic/chat/queryresponder/QueryResponder.java b/chat/core/src/main/java/com/tencent/supersonic/chat/queryresponder/QueryResponder.java
new file mode 100644
index 000000000..2f154bd44
--- /dev/null
+++ b/chat/core/src/main/java/com/tencent/supersonic/chat/queryresponder/QueryResponder.java
@@ -0,0 +1,12 @@
+package com.tencent.supersonic.chat.queryresponder;
+
+import com.tencent.supersonic.chat.api.pojo.response.SolvedQueryRecallResp;
+import java.util.List;
+
+public interface QueryResponder {
+
+    void saveSolvedQuery(String queryText, Long queryId, Integer parseId);
+
+    List<SolvedQueryRecallResp> recallSolvedQuery(String queryText);
+
+}
\ No newline at end of file
diff --git a/chat/core/src/main/java/com/tencent/supersonic/chat/service/impl/QueryServiceImpl.java b/chat/core/src/main/java/com/tencent/supersonic/chat/service/impl/QueryServiceImpl.java
index 63a054454..4f4d8f0f4 100644
--- a/chat/core/src/main/java/com/tencent/supersonic/chat/service/impl/QueryServiceImpl.java
+++ b/chat/core/src/main/java/com/tencent/supersonic/chat/service/impl/QueryServiceImpl.java
@@ -19,6 +19,7 @@ import com.tencent.supersonic.chat.api.pojo.response.ParseResp;
 import com.tencent.supersonic.chat.api.pojo.response.QueryResult;
 import com.tencent.supersonic.chat.api.pojo.response.QueryState;
 import com.tencent.supersonic.chat.parser.llm.dsl.DSLParseResult;
+import com.tencent.supersonic.chat.api.pojo.response.SolvedQueryRecallResp;
 import com.tencent.supersonic.chat.persistence.dataobject.ChatParseDO;
 import com.tencent.supersonic.chat.persistence.dataobject.CostType;
 import com.tencent.supersonic.chat.persistence.dataobject.StatisticsDO;
@@ -26,6 +27,7 @@ import com.tencent.supersonic.chat.query.QuerySelector;
 import com.tencent.supersonic.chat.query.QueryManager;
 import com.tencent.supersonic.chat.query.llm.dsl.DslQuery;
 import com.tencent.supersonic.chat.query.llm.dsl.LLMResp;
+import com.tencent.supersonic.chat.queryresponder.QueryResponder;
 import com.tencent.supersonic.chat.service.ChatService;
 import com.tencent.supersonic.chat.service.QueryService;
 import com.tencent.supersonic.chat.service.SemanticService;
@@ -71,6 +73,8 @@ public class QueryServiceImpl implements QueryService {
     private ChatService chatService;
     @Autowired
     private StatisticsService statisticsService;
+    @Autowired
+    private QueryResponder queryResponder;
 
     @Value("${time.threshold: 100}")
     private Integer timeThreshold;
@@ -145,6 +149,9 @@ public class QueryServiceImpl implements QueryService {
                     .state(ParseResp.ParseState.FAILED)
                     .build();
         }
+        List<SolvedQueryRecallResp> solvedQueryRecallResps =
+                queryResponder.recallSolvedQuery(queryCtx.getRequest().getQueryText());
+        parseResult.setSimilarSolvedQuery(solvedQueryRecallResps);
         return parseResult;
     }
 
diff --git a/chat/core/src/main/resources/mapper/ChatQueryDOMapper.xml b/chat/core/src/main/resources/mapper/ChatQueryDOMapper.xml
index 72cbbc4b4..1cba2a902 100644
--- a/chat/core/src/main/resources/mapper/ChatQueryDOMapper.xml
+++ b/chat/core/src/main/resources/mapper/ChatQueryDOMapper.xml
@@ -3,6 +3,7 @@
 <mapper namespace="com.tencent.supersonic.chat.persistence.mapper.ChatQueryDOMapper">
   <resultMap id="BaseResultMap" type="com.tencent.supersonic.chat.persistence.dataobject.ChatQueryDO">
     <id column="question_id" jdbcType="BIGINT" property="questionId" />
+    <result column="agent_id" jdbcType="INTEGER" property="agentId" />
     <result column="create_time" jdbcType="TIMESTAMP" property="createTime" />
     <result column="user_name" jdbcType="VARCHAR" property="userName" />
     <result column="query_state" jdbcType="INTEGER" property="queryState" />
@@ -44,7 +45,7 @@
     </where>
   </sql>
   <sql id="Base_Column_List">
-    question_id, create_time, user_name, query_state, chat_id, score, feedback
+    question_id, agent_id, create_time, user_name, query_state, chat_id, score, feedback
   </sql>
   <sql id="Blob_Column_List">
     query_text, query_result
@@ -65,142 +66,23 @@
       order by ${orderByClause}
     </if>
   </select>
-  <select id="selectByExample" parameterType="com.tencent.supersonic.chat.persistence.dataobject.ChatQueryDOExample" resultMap="BaseResultMap">
-    select
-    <if test="distinct">
-      distinct
-    </if>
-    <include refid="Base_Column_List" />
-    from s2_chat_query
-    <if test="_parameter != null">
-      <include refid="Example_Where_Clause" />
-    </if>
-    <if test="orderByClause != null">
-      order by ${orderByClause}
-    </if>
-    <if test="limitStart != null and limitStart>=0">
-      limit #{limitStart} , #{limitEnd}
-    </if>
-  </select>
-  <select id="selectByPrimaryKey" parameterType="java.lang.Long" resultMap="ResultMapWithBLOBs">
-    select
-    <include refid="Base_Column_List" />
-    ,
-    <include refid="Blob_Column_List" />
-    from s2_chat_query
-    where question_id = #{questionId,jdbcType=BIGINT}
-  </select>
+
+
   <delete id="deleteByPrimaryKey" parameterType="java.lang.Long">
     delete from s2_chat_query
     where question_id = #{questionId,jdbcType=BIGINT}
   </delete>
   <insert id="insert" parameterType="com.tencent.supersonic.chat.persistence.dataobject.ChatQueryDO">
-    insert into s2_chat_query (question_id, create_time, user_name,
+    insert into s2_chat_query (question_id, agent_id, create_time, user_name,
       query_state, chat_id, score,
       feedback, query_text, query_result
       )
-    values (#{questionId,jdbcType=BIGINT}, #{createTime,jdbcType=TIMESTAMP}, #{userName,jdbcType=VARCHAR},
+    values (#{questionId,jdbcType=BIGINT}, #{agentId,jdbcType=INTEGER}, #{createTime,jdbcType=TIMESTAMP}, #{userName,jdbcType=VARCHAR},
       #{queryState,jdbcType=INTEGER}, #{chatId,jdbcType=BIGINT}, #{score,jdbcType=INTEGER},
       #{feedback,jdbcType=VARCHAR}, #{queryText,jdbcType=LONGVARCHAR}, #{queryResult,jdbcType=LONGVARCHAR}
       )
   </insert>
-  <insert id="insertSelective" parameterType="com.tencent.supersonic.chat.persistence.dataobject.ChatQueryDO">
-    insert into s2_chat_query
-    <trim prefix="(" suffix=")" suffixOverrides=",">
-      <if test="questionId != null">
-        question_id,
-      </if>
-      <if test="createTime != null">
-        create_time,
-      </if>
-      <if test="userName != null">
-        user_name,
-      </if>
-      <if test="queryState != null">
-        query_state,
-      </if>
-      <if test="chatId != null">
-        chat_id,
-      </if>
-      <if test="score != null">
-        score,
-      </if>
-      <if test="feedback != null">
-        feedback,
-      </if>
-      <if test="queryText != null">
-        query_text,
-      </if>
-      <if test="queryResult != null">
-        query_result,
-      </if>
-    </trim>
-    <trim prefix="values (" suffix=")" suffixOverrides=",">
-      <if test="questionId != null">
-        #{questionId,jdbcType=BIGINT},
-      </if>
-      <if test="createTime != null">
-        #{createTime,jdbcType=TIMESTAMP},
-      </if>
-      <if test="userName != null">
-        #{userName,jdbcType=VARCHAR},
-      </if>
-      <if test="queryState != null">
-        #{queryState,jdbcType=INTEGER},
-      </if>
-      <if test="chatId != null">
-        #{chatId,jdbcType=BIGINT},
-      </if>
-      <if test="score != null">
-        #{score,jdbcType=INTEGER},
-      </if>
-      <if test="feedback != null">
-        #{feedback,jdbcType=VARCHAR},
-      </if>
-      <if test="queryText != null">
-        #{queryText,jdbcType=LONGVARCHAR},
-      </if>
-      <if test="queryResult != null">
-        #{queryResult,jdbcType=LONGVARCHAR},
-      </if>
-    </trim>
-  </insert>
-  <select id="countByExample" parameterType="com.tencent.supersonic.chat.persistence.dataobject.ChatQueryDOExample" resultType="java.lang.Long">
-    select count(*) from s2_chat_query
-    <if test="_parameter != null">
-      <include refid="Example_Where_Clause" />
-    </if>
-  </select>
-  <update id="updateByPrimaryKeySelective" parameterType="com.tencent.supersonic.chat.persistence.dataobject.ChatQueryDO">
-    update s2_chat_query
-    <set>
-      <if test="createTime != null">
-        create_time = #{createTime,jdbcType=TIMESTAMP},
-      </if>
-      <if test="userName != null">
-        user_name = #{userName,jdbcType=VARCHAR},
-      </if>
-      <if test="queryState != null">
-        query_state = #{queryState,jdbcType=INTEGER},
-      </if>
-      <if test="chatId != null">
-        chat_id = #{chatId,jdbcType=BIGINT},
-      </if>
-      <if test="score != null">
-        score = #{score,jdbcType=INTEGER},
-      </if>
-      <if test="feedback != null">
-        feedback = #{feedback,jdbcType=VARCHAR},
-      </if>
-      <if test="queryText != null">
-        query_text = #{queryText,jdbcType=LONGVARCHAR},
-      </if>
-      <if test="queryResult != null">
-        query_result = #{queryResult,jdbcType=LONGVARCHAR},
-      </if>
-    </set>
-    where question_id = #{questionId,jdbcType=BIGINT}
-  </update>
+
   <update id="updateByPrimaryKeyWithBLOBs" parameterType="com.tencent.supersonic.chat.persistence.dataobject.ChatQueryDO">
     update s2_chat_query
     <set>
@@ -231,14 +113,4 @@
     </set>
     where question_id = #{questionId,jdbcType=BIGINT}
   </update>
-  <update id="updateByPrimaryKey" parameterType="com.tencent.supersonic.chat.persistence.dataobject.ChatQueryDO">
-    update s2_chat_query
-    set create_time = #{createTime,jdbcType=TIMESTAMP},
-      user_name = #{userName,jdbcType=VARCHAR},
-      query_state = #{queryState,jdbcType=INTEGER},
-      chat_id = #{chatId,jdbcType=BIGINT},
-      score = #{score,jdbcType=INTEGER},
-      feedback = #{feedback,jdbcType=VARCHAR}
-    where question_id = #{questionId,jdbcType=BIGINT}
-  </update>
 </mapper>
diff --git a/chat/core/src/main/resources/mapper/custom/ShowCaseCustomMapper.xml b/chat/core/src/main/resources/mapper/custom/ShowCaseCustomMapper.xml
index adaf36822..7dcb1d213 100644
--- a/chat/core/src/main/resources/mapper/custom/ShowCaseCustomMapper.xml
+++ b/chat/core/src/main/resources/mapper/custom/ShowCaseCustomMapper.xml
@@ -59,7 +59,7 @@
                  join (
             select distinct chat_id
             from s2_chat_query
-            where query_state = 0 and agent_id = ${agentId}
+            where query_state = 1 and agent_id = ${agentId}
             order by chat_id desc
                 limit #{start}, #{limit}
         ) q2