diff --git a/app/helpers/export_helper.rb b/app/helpers/export_helper.rb
index a23cb8a65..839686f5b 100644
--- a/app/helpers/export_helper.rb
+++ b/app/helpers/export_helper.rb
@@ -487,6 +487,8 @@ module ExportHelper
 
     zipfile_name = "#{output_path}/#{rename_zipfile}"
 
+    # 同名文件重命名时用
+    index = 1
     Dir.mkdir(File.dirname(zipfile_name)) unless File.exist?(File.dirname(zipfile_name))
     Zip::File.open(zipfile_name, Zip::File::CREATE) do |zipfile|
       files_paths.each do |filename|
@@ -496,7 +498,11 @@ module ExportHelper
         begin
           zipfile.add(rename_file, filename)
         rescue Exception => e
-          zipfile.get_output_stream('FILE_NOTICE.txt'){|os| os.write "该作品中有重复命名文件，请通过文件名学号和姓名信息进入该作业详细界面手动下载"}
+          rename_file = rename_same_file(rename_file, index)
+          index += 1
+          zipfile.add(rename_file, filename)
+
+          # zipfile.get_output_stream('FILE_NOTICE.txt'){|os| os.write "该作品中有重复命名文件，请通过文件名学号和姓名信息进入该作业详细界面手动下载"}
           next
         end
       end
@@ -516,4 +522,11 @@ module ExportHelper
   def format_sheet_name name
     name = name.gsub(":", "-")
   end
+
+  def rename_same_file(name, index)
+    basename = File.basename(name, ".*")
+    new_basename = basename + "_" + index.to_s
+    extname = File.extname(name)
+    new_basename + extname
+  end
 end