diff --git a/backend/src/main/java/com/yfd/platform/data/controller/FishDraftDataController.java b/backend/src/main/java/com/yfd/platform/data/controller/FishDraftDataController.java
index 03ff9bb..910affd 100644
--- a/backend/src/main/java/com/yfd/platform/data/controller/FishDraftDataController.java
+++ b/backend/src/main/java/com/yfd/platform/data/controller/FishDraftDataController.java
@@ -424,15 +424,11 @@ public class FishDraftDataController {
 
     @PostMapping("/deleteAttachment")
     @Operation(summary = "删除附件")
-    public ResponseResult deleteAttachment(@RequestParam String id,
-                                          @RequestHeader("token") String token) {
+    public ResponseResult deleteAttachment(@RequestParam String id) {
         if (id == null || id.isEmpty()) {
             return ResponseResult.error("附件ID不能为空");
         }
-        if (token == null || token.isEmpty()) {
-            return ResponseResult.error("token不能为空");
-        }
-        boolean result = attachmentUploadService.deleteFile(id, token);
+        boolean result = attachmentUploadService.deleteFile(id);
         if (result) {
             return ResponseResult.success("删除成功");
         } else {
diff --git a/backend/src/main/java/com/yfd/platform/data/service/AttachmentUploadService.java b/backend/src/main/java/com/yfd/platform/data/service/AttachmentUploadService.java
index 5b50d41..1cd11a4 100644
--- a/backend/src/main/java/com/yfd/platform/data/service/AttachmentUploadService.java
+++ b/backend/src/main/java/com/yfd/platform/data/service/AttachmentUploadService.java
@@ -2,6 +2,7 @@ package com.yfd.platform.data.service;
 
 import com.alibaba.fastjson.JSONObject;
 import lombok.extern.slf4j.Slf4j;
+import org.springframework.beans.factory.annotation.Value;
 import org.springframework.stereotype.Service;
 import org.springframework.web.multipart.MultipartFile;
 
@@ -27,6 +28,10 @@ import java.util.stream.Collectors;
 @Slf4j
 @Service
 public class AttachmentUploadService {
+
+    @Value("${attachment.token}")
+    private String token;
+
     // 定义一个固定的线程池用于文件上传（建议根据服务器性能调整核心线程数）
     private static final ExecutorService UPLOAD_EXECUTOR = new ThreadPoolExecutor(
             5, 10, 60L, TimeUnit.SECONDS, new LinkedBlockingQueue<>(100),
@@ -261,9 +266,9 @@ public class AttachmentUploadService {
         }
     }
 
-    private static final String DELETE_URL = "https://211.99.26.225:12125/delete";
+    private static final String DELETE_URL = "https://211.99.26.225:12125/FileDelete";
 
-    public boolean deleteFile(String attachmentId, String token) {
+    public boolean deleteFile(String attachmentId) {
         if (attachmentId == null || attachmentId.isEmpty()) {
             log.warn("附件ID为空");
             return false;
@@ -285,7 +290,7 @@ public class AttachmentUploadService {
                     .sslContext(sc)
                     .build();
 
-            String formData = "id=" + attachmentId;
+            String formData = "fileId=" + attachmentId;
 
             HttpRequest request = HttpRequest.newBuilder()
                     .uri(URI.create(DELETE_URL))
diff --git a/backend/src/main/java/com/yfd/platform/data/service/impl/ImportTaskServiceImpl.java b/backend/src/main/java/com/yfd/platform/data/service/impl/ImportTaskServiceImpl.java
index 4dfbb00..792e877 100644
--- a/backend/src/main/java/com/yfd/platform/data/service/impl/ImportTaskServiceImpl.java
+++ b/backend/src/main/java/com/yfd/platform/data/service/impl/ImportTaskServiceImpl.java
@@ -1,10 +1,15 @@
 package com.yfd.platform.data.service.impl;
 
+import cn.hutool.core.io.FileUtil;
+import cn.hutool.core.util.StrUtil;
 import com.baomidou.mybatisplus.core.conditions.query.LambdaQueryWrapper;
 import com.baomidou.mybatisplus.extension.plugins.pagination.Page;
 import com.baomidou.mybatisplus.extension.service.impl.ServiceImpl;
+import com.fasterxml.jackson.databind.ObjectMapper;
+import com.yfd.platform.data.domain.FishImportResult;
 import com.yfd.platform.data.domain.ImportTask;
 import com.yfd.platform.data.mapper.ImportTaskMapper;
+import com.yfd.platform.data.service.AttachmentUploadService;
 import com.yfd.platform.data.service.IImportTaskService;
 import jakarta.annotation.Resource;
 import org.springframework.stereotype.Service;
@@ -25,6 +30,12 @@ public class ImportTaskServiceImpl extends ServiceImpl<ImportTaskMapper, ImportT
     @Resource
     private ImportTaskMapper importTaskMapper;
 
+    @Resource
+    private ObjectMapper objectMapper;
+    @Resource
+    AttachmentUploadService attachmentUploadService;
+
+
     @Override
     public Page<ImportTask> queryPageList(Page<ImportTask> page, String bizType, String status, String uploadUserId) {
         return this.page(page, this.lambdaQuery()
@@ -125,7 +136,21 @@ public class ImportTaskServiceImpl extends ServiceImpl<ImportTaskMapper, ImportT
         }
         importTask.setStatus("CONFIRMED");
         importTask.setUpdatedAt(new Date());
-        return this.updateById(importTask);
+        boolean b = this.updateById(importTask);
+        // 删除本地临时目录数据
+        String resultJson = importTask.getResultJson();
+        if (resultJson != null && !resultJson.isEmpty()) {
+            try {
+                FishImportResult importResult = objectMapper.readValue(resultJson, FishImportResult.class);
+                String tempDir = importResult.getTempDir();
+                // del 方法会递归删除目录及其所有内容
+                FileUtil.del(tempDir);
+            } catch (Exception e) {
+                e.printStackTrace();
+                // ignore parse error
+            }
+        }
+        return b;
     }
 
     @Override
@@ -157,6 +182,45 @@ public class ImportTaskServiceImpl extends ServiceImpl<ImportTaskMapper, ImportT
         if ("CONFIRMED".equals(currentStatus) || "FAILED".equals(currentStatus) || "CANCELLED".equals(currentStatus)) {
             return false;
         }
+        if (importTask.getResultJson() != null && !importTask.getResultJson().isEmpty()) {
+            try {
+                FishImportResult importResult = objectMapper.readValue(importTask.getResultJson(), FishImportResult.class);
+                for (FishImportResult.FishImportRow successRow : importResult.getSuccessRows()) {
+                    if (successRow.getData()==null) {
+                        continue;
+                    }
+                    String vdpth = successRow.getData().getVdpth();
+                    if (StringUtils.hasText(vdpth)) {
+                        List<String> fileIds = StrUtil.split(vdpth, ",");
+                        fileIds.forEach(fileId -> attachmentUploadService.deleteFile(fileId));
+                    }
+                    String picpth = successRow.getData().getPicpth();
+                    if (StringUtils.hasText(picpth)) {
+                        List<String> fileIds = StrUtil.split(vdpth, ",");
+                        fileIds.forEach(fileId -> attachmentUploadService.deleteFile(fileId));
+                    }
+                }
+                for (FishImportResult.FishImportRow failedRow : importResult.getFailedRows()) {
+                    if (failedRow.getData()==null) {
+                        continue;
+                    }
+                    String vdpth = failedRow.getData().getVdpth();
+                    if (StringUtils.hasText(vdpth)) {
+                        List<String> fileIds = StrUtil.split(vdpth, ",");
+                        fileIds.forEach(fileId -> attachmentUploadService.deleteFile(fileId));
+                    }
+                    String picpth = failedRow.getData().getPicpth();
+                    if (StringUtils.hasText(picpth)) {
+                        List<String> fileIds = StrUtil.split(vdpth, ",");
+                        fileIds.forEach(fileId -> attachmentUploadService.deleteFile(fileId));
+                    }
+                }
+
+            } catch (Exception e) {
+                e.printStackTrace();
+                // ignore parse error
+            }
+        }
         importTask.setStatus("CANCELLED");
         importTask.setErrorMsg("用户取消: " + operatorId);
         importTask.setUpdatedAt(new Date());
diff --git a/backend/src/main/resources/application.yml b/backend/src/main/resources/application.yml
index f3b5aa4..488b6fb 100644
--- a/backend/src/main/resources/application.yml
+++ b/backend/src/main/resources/application.yml
@@ -39,3 +39,6 @@ springdoc:
     enabled: true
     path: /swagger-ui.html
   packages-to-scan: com.yfd.platform
+
+attachment:
+  token: ${ATTACHMENT_TOKEN:qgcBkod25ngBa4wu8BtfCPYsJ7lQGVDoexH}
\ No newline at end of file