diff --git a/app/helpers/export_helper.rb b/app/helpers/export_helper.rb
index 9771f6e1d..742deb85b 100644
--- a/app/helpers/export_helper.rb
+++ b/app/helpers/export_helper.rb
@@ -454,7 +454,7 @@ module ExportHelper
     #单个文件的话,不需要压缩,只改名
     if homeworks_attach_path.size == 1
       out_file = find_or_pack(object, work.user_id, digests.sort){
-        des_path = "#{OUTPUT_FOLDER}/#{make_zip_name(work, filename.first)}_#{work.id}}"
+        des_path = "#{OUTPUT_FOLDER}/#{make_zip_name(work, filename.first)}_#{File.basename(homeworks_attach_path.first)}"
         FileUtils.cp homeworks_attach_path.first, des_path
         des_path
       }