diff --git a/chat/server/src/main/java/com/tencent/supersonic/chat/server/persistence/repository/impl/ChatQueryRepositoryImpl.java b/chat/server/src/main/java/com/tencent/supersonic/chat/server/persistence/repository/impl/ChatQueryRepositoryImpl.java
index 1c03a9af8..bc2454b8a 100644
--- a/chat/server/src/main/java/com/tencent/supersonic/chat/server/persistence/repository/impl/ChatQueryRepositoryImpl.java
+++ b/chat/server/src/main/java/com/tencent/supersonic/chat/server/persistence/repository/impl/ChatQueryRepositoryImpl.java
@@ -64,6 +64,7 @@ public class ChatQueryRepositoryImpl implements ChatQueryRepository {
         queryWrapper.lambda().isNotNull(ChatQueryDO::getQueryResult);
         queryWrapper.lambda().ne(ChatQueryDO::getQueryResult, "");
         queryWrapper.lambda().orderByDesc(ChatQueryDO::getQuestionId);
+        queryWrapper.lambda().eq(ChatQueryDO::getQueryState, 1);
 
         PageInfo<ChatQueryDO> pageInfo =
                 PageHelper.startPage(pageQueryInfoReq.getCurrent(), pageQueryInfoReq.getPageSize())
@@ -95,6 +96,7 @@ public class ChatQueryRepositoryImpl implements ChatQueryRepository {
         QueryWrapper<ChatQueryDO> queryWrapper = new QueryWrapper<>();
         queryWrapper.lambda().eq(ChatQueryDO::getChatId, chatId);
         queryWrapper.lambda().orderByDesc(ChatQueryDO::getQuestionId);
+        queryWrapper.lambda().eq(ChatQueryDO::getQueryState, 1);
         return chatQueryDOMapper.selectList(queryWrapper).stream().map(q -> convertTo(q))
                 .collect(Collectors.toList());
     }
@@ -132,6 +134,7 @@ public class ChatQueryRepositoryImpl implements ChatQueryRepository {
         chatQueryDO.setQueryText(chatParseReq.getQueryText());
         chatQueryDO.setAgentId(chatParseReq.getAgentId());
         chatQueryDO.setQueryResult("");
+        chatQueryDO.setQueryState(1);
         try {
             chatQueryDOMapper.insert(chatQueryDO);
         } catch (Exception e) {
diff --git a/chat/server/src/main/java/com/tencent/supersonic/chat/server/rest/ChatController.java b/chat/server/src/main/java/com/tencent/supersonic/chat/server/rest/ChatController.java
index c79ac2795..ecbb8680f 100644
--- a/chat/server/src/main/java/com/tencent/supersonic/chat/server/rest/ChatController.java
+++ b/chat/server/src/main/java/com/tencent/supersonic/chat/server/rest/ChatController.java
@@ -11,13 +11,7 @@ import com.tencent.supersonic.chat.api.pojo.response.ShowCaseResp;
 import com.tencent.supersonic.chat.server.persistence.dataobject.ChatDO;
 import com.tencent.supersonic.chat.server.service.ChatManageService;
 import org.springframework.beans.factory.annotation.Autowired;
-import org.springframework.web.bind.annotation.GetMapping;
-import org.springframework.web.bind.annotation.PathVariable;
-import org.springframework.web.bind.annotation.PostMapping;
-import org.springframework.web.bind.annotation.RequestBody;
-import org.springframework.web.bind.annotation.RequestMapping;
-import org.springframework.web.bind.annotation.RequestParam;
-import org.springframework.web.bind.annotation.RestController;
+import org.springframework.web.bind.annotation.*;
 
 import java.util.List;
 
@@ -37,7 +31,7 @@ public class ChatController {
     }
 
     @GetMapping("/getAll")
-    public List<ChatDO> getAllConversions(
+    public List<ChatDO> getAllChats(
             @RequestParam(value = "agentId", required = false) Integer agentId,
             HttpServletRequest request, HttpServletResponse response) {
         String userName = UserHolder.findUser(request, response).getName();
@@ -45,14 +39,14 @@ public class ChatController {
     }
 
     @PostMapping("/delete")
-    public Boolean deleteConversion(@RequestParam(value = "chatId") long chatId,
+    public Boolean deleteChat(@RequestParam(value = "chatId") long chatId,
             HttpServletRequest request, HttpServletResponse response) {
         String userName = UserHolder.findUser(request, response).getName();
         return chatService.deleteChat(chatId, userName);
     }
 
     @PostMapping("/updateChatName")
-    public Boolean updateConversionName(@RequestParam(value = "chatId") Long chatId,
+    public Boolean updateChatName(@RequestParam(value = "chatId") Long chatId,
             @RequestParam(value = "chatName") String chatName, HttpServletRequest request,
             HttpServletResponse response) {
         String userName = UserHolder.findUser(request, response).getName();
@@ -67,7 +61,7 @@ public class ChatController {
     }
 
     @PostMapping("/updateChatIsTop")
-    public Boolean updateConversionIsTop(@RequestParam(value = "chatId") Long chatId,
+    public Boolean updateChatIsTop(@RequestParam(value = "chatId") Long chatId,
             @RequestParam(value = "isTop") int isTop) {
         return chatService.updateChatIsTop(chatId, isTop);
     }
@@ -85,6 +79,12 @@ public class ChatController {
         return chatService.getChatQuery(queryId);
     }
 
+    @DeleteMapping("/{queryId}")
+    public boolean deleteChatQuery(@PathVariable(value = "queryId") Long queryId) {
+        chatService.deleteQuery(queryId);
+        return true;
+    }
+
     @PostMapping("/queryShowCase")
     public ShowCaseResp queryShowCase(@RequestBody PageQueryInfoReq pageQueryInfoCommand,
             @RequestParam(value = "agentId") int agentId) {
diff --git a/chat/server/src/main/java/com/tencent/supersonic/chat/server/service/ChatManageService.java b/chat/server/src/main/java/com/tencent/supersonic/chat/server/service/ChatManageService.java
index d01862ba9..96904abbb 100644
--- a/chat/server/src/main/java/com/tencent/supersonic/chat/server/service/ChatManageService.java
+++ b/chat/server/src/main/java/com/tencent/supersonic/chat/server/service/ChatManageService.java
@@ -43,6 +43,8 @@ public interface ChatManageService {
 
     int updateQuery(ChatQueryDO chatQueryDO);
 
+    void deleteQuery(Long queryId);
+
     void updateParseCostTime(ParseResp parseResp);
 
     List<ChatParseDO> batchAddParse(ChatParseReq chatParseReq, ParseResp parseResult);
diff --git a/chat/server/src/main/java/com/tencent/supersonic/chat/server/service/impl/ChatManageServiceImpl.java b/chat/server/src/main/java/com/tencent/supersonic/chat/server/service/impl/ChatManageServiceImpl.java
index a40cd3807..4ffe8f609 100644
--- a/chat/server/src/main/java/com/tencent/supersonic/chat/server/service/impl/ChatManageServiceImpl.java
+++ b/chat/server/src/main/java/com/tencent/supersonic/chat/server/service/impl/ChatManageServiceImpl.java
@@ -25,11 +25,7 @@ import org.springframework.stereotype.Service;
 import org.springframework.util.CollectionUtils;
 
 import java.text.SimpleDateFormat;
-import java.util.ArrayList;
-import java.util.Comparator;
-import java.util.LinkedHashMap;
-import java.util.List;
-import java.util.Map;
+import java.util.*;
 import java.util.function.Function;
 import java.util.stream.Collectors;
 
@@ -187,6 +183,15 @@ public class ChatManageServiceImpl implements ChatManageService {
         return chatQueryRepository.updateChatQuery(chatQueryDO);
     }
 
+    @Override
+    public void deleteQuery(Long queryId) {
+        ChatQueryDO chatQuery = chatQueryRepository.getChatQueryDO(queryId);
+        if (Objects.nonNull(chatQuery)) {
+            chatQuery.setQueryState(0);
+            chatQueryRepository.updateChatQuery(chatQuery);
+        }
+    }
+
     @Override
     public void updateParseCostTime(ParseResp parseResp) {
         ChatQueryDO chatQueryDO = chatQueryRepository.getChatQueryDO(parseResp.getQueryId());
diff --git a/launchers/standalone/src/main/resources/config.update/sql-update.sql b/launchers/standalone/src/main/resources/config.update/sql-update.sql
index ac219e399..47555be9d 100644
--- a/launchers/standalone/src/main/resources/config.update/sql-update.sql
+++ b/launchers/standalone/src/main/resources/config.update/sql-update.sql
@@ -389,9 +389,9 @@ ALTER TABLE s2_agent RENAME COLUMN config TO tool_config;
 ALTER TABLE s2_agent RENAME COLUMN model_config TO chat_model_config;
 
 --20241011
-ALTER TABLE s2_agent DROP COLUMN prompt_config;
-ALTER TABLE s2_agent DROP COLUMN multi_turn_config;
-ALTER TABLE s2_agent DROP COLUMN enable_memory_review;
+ALTER TABLE s2_agent DROP COLUMN IF EXISTS `prompt_config`;
+ALTER TABLE s2_agent DROP COLUMN IF EXISTS `multi_turn_config`;
+ALTER TABLE s2_agent DROP COLUMN IF EXISTS `enable_memory_review`;
 
 --20241012
 alter table s2_agent add column `enable_feedback` tinyint DEFAULT 1;
\ No newline at end of file