diff --git a/yudao-module-llm/yudao-module-llm-biz/src/main/java/cn/iocoder/yudao/module/llm/controller/admin/dataset/DatasetController.java b/yudao-module-llm/yudao-module-llm-biz/src/main/java/cn/iocoder/yudao/module/llm/controller/admin/dataset/DatasetController.java
index 7c1b2a0e7..27b9068cf 100644
--- a/yudao-module-llm/yudao-module-llm-biz/src/main/java/cn/iocoder/yudao/module/llm/controller/admin/dataset/DatasetController.java
+++ b/yudao-module-llm/yudao-module-llm-biz/src/main/java/cn/iocoder/yudao/module/llm/controller/admin/dataset/DatasetController.java
@@ -12,26 +12,19 @@ import cn.iocoder.yudao.module.llm.service.dataset.DatasetService;
 import io.swagger.v3.oas.annotations.Operation;
 import io.swagger.v3.oas.annotations.Parameter;
 import io.swagger.v3.oas.annotations.tags.Tag;
-import org.apache.commons.io.IOUtils;
-import org.apache.tomcat.jni.FileInfo;
 import org.springframework.core.io.ClassPathResource;
 import org.springframework.core.io.InputStreamResource;
 import org.springframework.http.HttpHeaders;
-import org.springframework.http.HttpStatus;
 import org.springframework.http.MediaType;
 import org.springframework.http.ResponseEntity;
 import org.springframework.validation.annotation.Validated;
 import org.springframework.web.bind.annotation.*;
 
 import javax.annotation.Resource;
-import javax.servlet.ServletOutputStream;
 import javax.servlet.http.HttpServletResponse;
 import javax.validation.Valid;
 import java.io.*;
 import java.net.URLEncoder;
-import java.nio.charset.StandardCharsets;
-import java.nio.file.Files;
-import java.util.Base64;
 import java.util.List;
 
 import static cn.iocoder.yudao.framework.apilog.core.enums.OperateTypeEnum.EXPORT;