diff --git a/app/controllers/student_work_controller.rb b/app/controllers/student_work_controller.rb
index e6ff904f3..9a798a6f8 100644
--- a/app/controllers/student_work_controller.rb
+++ b/app/controllers/student_work_controller.rb
@@ -948,6 +948,7 @@ class StudentWorkController < ApplicationController
             }
     uri = URI(url)
     body = solutions.to_json
+    binding.pry
     res = Net::HTTP.new(uri.host, uri.port).start do |client|
       request                 = Net::HTTP::Post.new(uri.path)
       request.body            = body
diff --git a/app/controllers/zipdown_controller.rb b/app/controllers/zipdown_controller.rb
index d66c6a30d..386e5733d 100644
--- a/app/controllers/zipdown_controller.rb
+++ b/app/controllers/zipdown_controller.rb
@@ -134,8 +134,11 @@ class ZipdownController < ApplicationController
     homework_common.student_works.each do |work|
       unless work.attachments.empty?
         out_file = zip_student_work_by_user(work)
-        bid_homework_path << out_file.file_path
-        digests << out_file.file_digest
+
+          bid_homework_path << out_file.file_path
+          digests << out_file.file_digest
+
+
       end
     end
     homework_id = homework_common.id
@@ -172,7 +175,11 @@ class ZipdownController < ApplicationController
     }
   end
 
-  def zip_student_work_by_user work
+  def make_zip_name(work)
+    "#{work.user.show_name}_#{((work.user.user_extensions.nil? || work.user.user_extensions.student_id.nil?) ? "" : work.user.user_extensions.student_id)}_#{Time.now.to_i.to_s}"
+  end
+
+  def zip_student_work_by_user(work)
     homeworks_attach_path = []
     not_exist_file = []
     # 需要将所有homework.attachments遍历加入zip
@@ -186,10 +193,23 @@ class ZipdownController < ApplicationController
         digests << 'not_exist_file'
       end
     end
-    out_file = find_or_pack(work.homework_common_id, work.user_id, digests.sort){
-      zipping("#{work.user.show_name}_#{((work.user.user_extensions.nil? || work.user.user_extensions.student_id.nil?) ? "" : work.user.user_extensions.student_id)}_#{Time.now.to_i.to_s}.zip",
-              homeworks_attach_path, OUTPUT_FOLDER, true, not_exist_file)
-    }
+
+    #单个文件的话,不需要压缩,只改名
+    out_file = nil
+    if homeworks_attach_path.size == 1
+      out_file = find_or_pack(work.homework_common_id, work.user_id, digests.sort){
+        des_path = "#{OUTPUT_FOLDER}/#{make_zip_name(work)}_#{File.basename(homeworks_attach_path.first)}"
+        FileUtils.cp homeworks_attach_path.first, des_path
+        des_path
+      }
+    else
+      out_file = find_or_pack(work.homework_common_id, work.user_id, digests.sort){
+        zipping("#{make_zip_name(work)}.zip",
+                homeworks_attach_path, OUTPUT_FOLDER, true, not_exist_file)
+      }
+    end
+    out_file
+
   end