diff --git a/src/main/java/com/supervision/chat/client/LangChainChatService.java b/src/main/java/com/supervision/chat/client/LangChainChatService.java
index 3c57f7f..d771a89 100644
--- a/src/main/java/com/supervision/chat/client/LangChainChatService.java
+++ b/src/main/java/com/supervision/chat/client/LangChainChatService.java
@@ -65,7 +65,7 @@ public interface LangChainChatService {
     @GetExchange(url = "/knowledge_base/list_files")
     LangChainChatRes<List<String>> queryFileList(@RequestParam String knowledge_base_name);
 
-    @PostExchange(url = "/knowledge_base//delete_knowledge_base", contentType = MediaType.APPLICATION_JSON_VALUE)
+    @PostExchange(url = "/knowledge_base/delete_knowledge_base", contentType = MediaType.TEXT_PLAIN_VALUE)
     LangChainChatRes<Object> deleteBase(@RequestBody String knowledge_base_name);
 
 
diff --git a/src/main/java/com/supervision/police/service/impl/ModelCaseServiceImpl.java b/src/main/java/com/supervision/police/service/impl/ModelCaseServiceImpl.java
index 4799758..95c1289 100644
--- a/src/main/java/com/supervision/police/service/impl/ModelCaseServiceImpl.java
+++ b/src/main/java/com/supervision/police/service/impl/ModelCaseServiceImpl.java
@@ -23,10 +23,10 @@ import com.supervision.common.utils.ExcelReader;
 import com.supervision.common.utils.IPages;
 import com.supervision.common.utils.StringUtils;
 import com.supervision.config.BusinessException;
+import com.supervision.constant.DataStatus;
 import com.supervision.police.domain.CasePerson;
 import com.supervision.police.domain.ComDictionary;
 import com.supervision.police.dto.*;
-import com.supervision.police.mapper.CasePersonMapper;
 import com.supervision.police.mapper.ModelCaseMapper;
 import com.supervision.police.domain.ModelCase;
 import com.supervision.police.service.CasePersonService;
@@ -183,7 +183,7 @@ public class ModelCaseServiceImpl extends ServiceImpl<ModelCaseMapper, ModelCase
         if (200 != langChainChatRes.getCode()){
             log.info("删除知识库失败");
         }
-        modelCase.setDataStatus(StringUtils.getUUID());
+        modelCase.setDataStatus(DataStatus.NOT_AVAILABLE.getCode());
         int i = modelCaseMapper.updateById(modelCase);
         if (i > 0) {
             return R.okMsg("删除成功");