diff --git a/src/main/java/com/ai/da/service/impl/LLMServiceImpl.java b/src/main/java/com/ai/da/service/impl/LLMServiceImpl.java
index 9dc5c9a6..a806995b 100644
--- a/src/main/java/com/ai/da/service/impl/LLMServiceImpl.java
+++ b/src/main/java/com/ai/da/service/impl/LLMServiceImpl.java
@@ -306,7 +306,7 @@ public class LLMServiceImpl implements LLMService {
     @Override
     public List<String> uploadFile(MultipartFile file) {
         AuthPrincipalVo userHolder = UserContext.getUserHolder();
-        String minioUrl = minioUtil.upload("chat-message", userHolder.getId() + "", file);
+        String minioUrl = minioUtil.upload("chat-message", userHolder.getId() + "/" + file.getOriginalFilename(), file, null);
         String preSignedUrl = minioUtil.getPreSignedUrl(minioUrl, CommonConstant.MINIO_IMAGE_EXPIRE_TIME);
         List<String> result = new ArrayList<>();
         result.add(minioUrl);