diff --git a/oss-dal/src/main/java/cn/axzo/oss/dal/repository/FileDao.java b/oss-dal/src/main/java/cn/axzo/oss/dal/repository/FileDao.java
index badfa26..3fe45a8 100644
--- a/oss-dal/src/main/java/cn/axzo/oss/dal/repository/FileDao.java
+++ b/oss-dal/src/main/java/cn/axzo/oss/dal/repository/FileDao.java
@@ -28,4 +28,6 @@ public interface FileDao extends IService<File> {
   List<File> getByFileUuids(List<String> fileKey);
 
   List<File> getByUrlMd5s(List<String> urlMd5List);
+
+  File getByUrlMd5(String urlMd5);
 }
diff --git a/oss-dal/src/main/java/cn/axzo/oss/dal/repository/impl/FileDaoImpl.java b/oss-dal/src/main/java/cn/axzo/oss/dal/repository/impl/FileDaoImpl.java
index e7c5efe..b2a43ad 100644
--- a/oss-dal/src/main/java/cn/axzo/oss/dal/repository/impl/FileDaoImpl.java
+++ b/oss-dal/src/main/java/cn/axzo/oss/dal/repository/impl/FileDaoImpl.java
@@ -53,4 +53,13 @@ public class FileDaoImpl extends ServiceImpl<FileMapper, File> implements FileDa
                 .eq(File::getIsDelete, TableDelete.UN_DELETED)
                 .list();
     }
+
+    @Override
+    public File getByUrlMd5(String urlMd5) {
+        return lambdaQuery().eq(File::getUrlMd5, urlMd5)
+                .eq(File::getStatus, FileStatus.SUCCESS)
+                .eq(File::getIsDelete, TableDelete.UN_DELETED)
+                .last("limit 1")
+                .one();
+    }
 }
diff --git a/oss-service/src/main/java/cn/axzo/oss/service/impl/FileServiceImpl.java b/oss-service/src/main/java/cn/axzo/oss/service/impl/FileServiceImpl.java
index 8ce72c3..d35afbd 100644
--- a/oss-service/src/main/java/cn/axzo/oss/service/impl/FileServiceImpl.java
+++ b/oss-service/src/main/java/cn/axzo/oss/service/impl/FileServiceImpl.java
@@ -157,8 +157,14 @@ public class FileServiceImpl implements FileService {
     @Override
     public ServerFileDownloadResponse download(ServerFileDownloadDto dto) {
         log.info("file download dto = {}", JsonUtil.obj2Str(dto));
+        File file = null;
         String fileKey = dto.getFileKey();
-        File file = fileDao.getByFileUuid(fileKey);
+        if (fileKey.contains(IS_URL)) {
+            String urlMd5 = Utility.getMd5(fileKey);
+            file = fileDao.getByUrlMd5(urlMd5);
+        } else {
+            file = fileDao.getByFileUuid(fileKey);
+        }
         if (Utility.objIsNull(file)) {
             log.warn("file download is null, fileKey = {}", fileKey);
             BizException.error(Utility.objIsNotNull(file), CodeEnum.FILE_NOT_FOUND);