diff --git a/src/main/java/com/yunhai/homework/service/impl/FileService.java b/src/main/java/com/yunhai/homework/service/impl/FileService.java
index 6f1c57e..ff71bd9 100644
--- a/src/main/java/com/yunhai/homework/service/impl/FileService.java
+++ b/src/main/java/com/yunhai/homework/service/impl/FileService.java
@@ -1,8 +1,8 @@
 package com.yunhai.homework.service.impl;
 
 import com.yunhai.homework.entity.UpFile;
-import com.yunhai.homework.model.homework.UpFileVo;
 import com.yunhai.homework.model.homework.UpFileResultVo;
+import com.yunhai.homework.model.homework.UpFileVo;
 import com.yunhai.homework.repository.UpFileRepository;
 import com.yunhai.homework.service.IFileService;
 import com.yunhai.platform.apistd.BizException;
@@ -18,7 +18,6 @@ import org.springframework.util.StringUtils;
 import org.springframework.web.multipart.MultipartFile;
 
 import javax.servlet.http.HttpServletResponse;
-import java.io.File;
 import java.io.FileInputStream;
 import java.io.OutputStream;
 import java.net.URLConnection;
@@ -26,15 +25,7 @@ import java.net.URLEncoder;
 import java.nio.file.Files;
 import java.nio.file.Path;
 import java.nio.file.Paths;
-import java.time.LocalDate;
-import java.time.format.DateTimeFormatter;
-import java.util.HashMap;
-import java.util.HashSet;
-import java.util.List;
-import java.util.Map;
-import java.util.Set;
-import java.util.UUID;
-import java.util.ArrayList;
+import java.util.*;
 import java.util.stream.Collectors;
 import java.util.zip.ZipEntry;
 import java.util.zip.ZipOutputStream;
@@ -53,11 +44,9 @@ public class FileService implements IFileService {
     @Autowired
     private UpFileRepository upFileRepository;
 
-    @Value("${file.upload-path}")
+    @Value("${FILE_PATH}")
     private String uploadPath;
 
-    private static final String DEFAULT_APP_TYPE = "homework";
-
     // ============================ 上传 ============================
 
     @Override
@@ -77,13 +66,10 @@ public class FileService implements IFileService {
             ext = originalName.substring(dotIdx + 1).toLowerCase();
         }
 
-        // 构造存储子路径：{appType}/{yyyyMMdd}/{uuid}.{ext}
-        String dateDir = LocalDate.now().format(DateTimeFormatter.ofPattern("yyyyMMdd"));
         String savedName = UUID.randomUUID().toString().replace("-", "") + (ext.isEmpty() ? "" : "." + ext);
-        String relativePath = (appType == null ? DEFAULT_APP_TYPE : appType) + "/" + dateDir + "/" + savedName;
 
         // 物理写入
-        Path fullPath = Paths.get(uploadPath, relativePath);
+        Path fullPath = Paths.get(uploadPath, savedName);
         try {
             Files.createDirectories(fullPath.getParent());
             file.transferTo(fullPath.toFile());
@@ -94,10 +80,10 @@ public class FileService implements IFileService {
 
         // 入库
         UpFile entity = new UpFile();
-        entity.setTopicType(appType == null ? DEFAULT_APP_TYPE : appType);
+        entity.setTopicType(appType);
         entity.setTopicId(topicId);
         entity.setFileTrueName(originalName);
-        entity.setFileName(relativePath);
+        entity.setFileName(savedName);
         entity.setFileSize((int) file.getSize());
         entity.setFileType(ext);
         upFileRepository.save(entity);
@@ -125,8 +111,7 @@ public class FileService implements IFileService {
 
     @Override
     public List<UpFileVo> listByTopic(String appType, Integer topicId) {
-        String type = appType == null ? DEFAULT_APP_TYPE : appType;
-        return upFileRepository.findByTopicTypeAndTopicId(type, topicId).stream()
+        return upFileRepository.findByTopicTypeAndTopicId(appType, topicId).stream()
                 .map(this::toVo)
                 .collect(Collectors.toList());
     }
@@ -279,8 +264,7 @@ public class FileService implements IFileService {
     @Override
     public void downloadZipByTopic(String topicType, Integer topicId, String zipName,
                                    HttpServletResponse response) {
-        String type = topicType == null ? DEFAULT_APP_TYPE : topicType;
-        List<UpFile> files = upFileRepository.findByTopicTypeAndTopicId(type, topicId);
+        List<UpFile> files = upFileRepository.findByTopicTypeAndTopicId(topicType, topicId);
         downloadZip(files, zipName, response);
     }
 
@@ -293,9 +277,8 @@ public class FileService implements IFileService {
         if (files == null || files.length == 0) {
             return results;
         }
-        String type = appType != null ? appType : DEFAULT_APP_TYPE;
         for (MultipartFile file : files) {
-            results.add(upload(file, type, null));
+            results.add(upload(file, appType, null));
         }
         return results;
     }