diff --git a/chat/core/src/main/java/com/tencent/supersonic/chat/persistence/mapper/custom/ShowCaseCustomMapper.java b/chat/core/src/main/java/com/tencent/supersonic/chat/persistence/mapper/custom/ShowCaseCustomMapper.java
index fddb34594..eb7de40f1 100644
--- a/chat/core/src/main/java/com/tencent/supersonic/chat/persistence/mapper/custom/ShowCaseCustomMapper.java
+++ b/chat/core/src/main/java/com/tencent/supersonic/chat/persistence/mapper/custom/ShowCaseCustomMapper.java
@@ -7,6 +7,6 @@ import java.util.List;
 @Mapper
 public interface ShowCaseCustomMapper {
 
-    List<ChatQueryDO> queryShowCase(int start, int limit, int agentId);
+    List<ChatQueryDO> queryShowCase(int start, int limit, int agentId, String userName);
 
 }
diff --git a/chat/core/src/main/java/com/tencent/supersonic/chat/persistence/repository/impl/ChatQueryRepositoryImpl.java b/chat/core/src/main/java/com/tencent/supersonic/chat/persistence/repository/impl/ChatQueryRepositoryImpl.java
index 5e1f53218..ee2cad994 100644
--- a/chat/core/src/main/java/com/tencent/supersonic/chat/persistence/repository/impl/ChatQueryRepositoryImpl.java
+++ b/chat/core/src/main/java/com/tencent/supersonic/chat/persistence/repository/impl/ChatQueryRepositoryImpl.java
@@ -78,9 +78,10 @@ public class ChatQueryRepositoryImpl implements ChatQueryRepository {
     }
 
     @Override
-    public List<QueryResp> queryShowCase(PageQueryInfoReq pageQueryInfoCommend, int agentId) {
-        return showCaseCustomMapper.queryShowCase(pageQueryInfoCommend.getCurrent(),
-                        pageQueryInfoCommend.getPageSize(), agentId).stream().map(this::convertTo)
+    public List<QueryResp> queryShowCase(PageQueryInfoReq pageQueryInfoReq, int agentId) {
+        return showCaseCustomMapper.queryShowCase(pageQueryInfoReq.getCurrent(),
+                        pageQueryInfoReq.getPageSize(), agentId, pageQueryInfoReq.getUserName())
+                .stream().map(this::convertTo)
                 .collect(Collectors.toList());
     }
 
diff --git a/chat/core/src/main/java/com/tencent/supersonic/chat/service/impl/ChatServiceImpl.java b/chat/core/src/main/java/com/tencent/supersonic/chat/service/impl/ChatServiceImpl.java
index b911cb81c..3a2f274a5 100644
--- a/chat/core/src/main/java/com/tencent/supersonic/chat/service/impl/ChatServiceImpl.java
+++ b/chat/core/src/main/java/com/tencent/supersonic/chat/service/impl/ChatServiceImpl.java
@@ -137,14 +137,14 @@ public class ChatServiceImpl implements ChatService {
     }
 
     @Override
-    public ShowCaseResp queryShowCase(PageQueryInfoReq pageQueryInfoCommend, int agentId) {
+    public ShowCaseResp queryShowCase(PageQueryInfoReq pageQueryInfoReq, int agentId) {
         ShowCaseResp showCaseResp = new ShowCaseResp();
-        List<QueryResp> queryResps = chatQueryRepository.queryShowCase(pageQueryInfoCommend, agentId);
+        List<QueryResp> queryResps = chatQueryRepository.queryShowCase(pageQueryInfoReq, agentId);
         Map<Long, List<QueryResp>> showCaseMap = queryResps.stream()
                 .collect(Collectors.groupingBy(QueryResp::getChatId));
         showCaseResp.setShowCaseMap(showCaseMap);
-        showCaseResp.setCurrent(pageQueryInfoCommend.getCurrent());
-        showCaseResp.setPageSize(pageQueryInfoCommend.getPageSize());
+        showCaseResp.setCurrent(pageQueryInfoReq.getCurrent());
+        showCaseResp.setPageSize(pageQueryInfoReq.getPageSize());
         return showCaseResp;
     }
 
diff --git a/chat/core/src/main/resources/mapper/custom/ShowCaseCustomMapper.xml b/chat/core/src/main/resources/mapper/custom/ShowCaseCustomMapper.xml
index 7dcb1d213..8af6d1dea 100644
--- a/chat/core/src/main/resources/mapper/custom/ShowCaseCustomMapper.xml
+++ b/chat/core/src/main/resources/mapper/custom/ShowCaseCustomMapper.xml
@@ -60,6 +60,9 @@
             select distinct chat_id
             from s2_chat_query
             where query_state = 1 and agent_id = ${agentId}
+            <if test="userName != null and userName != ''">
+                  and user_name = #{userName}
+            </if>
             order by chat_id desc
                 limit #{start}, #{limit}
         ) q2
diff --git a/semantic/model/src/main/java/com/tencent/supersonic/semantic/model/application/DatabaseServiceImpl.java b/semantic/model/src/main/java/com/tencent/supersonic/semantic/model/application/DatabaseServiceImpl.java
index e1a23c908..2ca6eeccc 100644
--- a/semantic/model/src/main/java/com/tencent/supersonic/semantic/model/application/DatabaseServiceImpl.java
+++ b/semantic/model/src/main/java/com/tencent/supersonic/semantic/model/application/DatabaseServiceImpl.java
@@ -41,19 +41,21 @@ public class DatabaseServiceImpl implements DatabaseService {
 
     @Override
     public boolean testConnect(DatabaseReq databaseReq, User user) {
-        Database database = DatabaseConverter.convert(databaseReq, user);
+        Database database = DatabaseConverter.convert(databaseReq);
         return JdbcDataSourceUtils.testDatabase(database);
     }
 
     @Override
     public DatabaseResp createOrUpdateDatabase(DatabaseReq databaseReq, User user) {
-        Database database = DatabaseConverter.convert(databaseReq, user);
+        Database database = DatabaseConverter.convert(databaseReq);
         DatabaseDO databaseDO = getDatabaseDO(databaseReq.getId());
         if (databaseDO != null) {
+            database.updatedBy(user.getName());
             DatabaseConverter.convert(database, databaseDO);
             databaseRepository.updateDatabase(databaseDO);
             return DatabaseConverter.convert(databaseDO);
         }
+        database.createdBy(user.getName());
         databaseDO = DatabaseConverter.convert(database);
         databaseRepository.createDatabase(databaseDO);
         return DatabaseConverter.convert(databaseDO);
diff --git a/semantic/model/src/main/java/com/tencent/supersonic/semantic/model/domain/utils/DatabaseConverter.java b/semantic/model/src/main/java/com/tencent/supersonic/semantic/model/domain/utils/DatabaseConverter.java
index ad10ba196..4d37c8c2b 100644
--- a/semantic/model/src/main/java/com/tencent/supersonic/semantic/model/domain/utils/DatabaseConverter.java
+++ b/semantic/model/src/main/java/com/tencent/supersonic/semantic/model/domain/utils/DatabaseConverter.java
@@ -1,21 +1,18 @@
 package com.tencent.supersonic.semantic.model.domain.utils;
 
 import com.alibaba.fastjson.JSONObject;
-import com.tencent.supersonic.auth.api.authentication.pojo.User;
 import com.tencent.supersonic.semantic.api.model.request.DatabaseReq;
 import com.tencent.supersonic.semantic.api.model.response.DatabaseResp;
 import com.tencent.supersonic.semantic.model.domain.dataobject.DatabaseDO;
 import com.tencent.supersonic.semantic.model.domain.pojo.ConnectInfo;
 import com.tencent.supersonic.semantic.model.domain.pojo.Database;
 import java.util.Arrays;
-import java.util.Date;
 import org.apache.commons.lang3.StringUtils;
 import org.springframework.beans.BeanUtils;
-
 public class DatabaseConverter {
 
 
-    public static Database convert(DatabaseReq databaseReq, User user) {
+    public static Database convert(DatabaseReq databaseReq) {
         Database database = new Database();
         BeanUtils.copyProperties(databaseReq, database);
         ConnectInfo connectInfo = new ConnectInfo();
@@ -24,16 +21,14 @@ public class DatabaseConverter {
         connectInfo.setUrl(databaseReq.getUrl());
         connectInfo.setDatabase(databaseReq.getDatabase());
         database.setConnectInfo(connectInfo);
-        database.setCreatedAt(new Date());
-        database.setCreatedBy(user.getName());
-        database.setUpdatedAt(new Date());
-        database.setUpdatedBy(user.getName());
         database.setVersion(databaseReq.getVersion());
         return database;
     }
 
     public static DatabaseDO convert(Database database, DatabaseDO databaseDO) {
         database.setId(databaseDO.getId());
+        database.setCreatedBy(databaseDO.getCreatedBy());
+        database.setCreatedAt(databaseDO.getCreatedAt());
         BeanUtils.copyProperties(database, databaseDO);
         databaseDO.setConfig(JSONObject.toJSONString(database.getConnectInfo()));
         databaseDO.setAdmin(String.join(",", database.getAdmins()));