From 05f1df1922f7c96b5995bf1339e2b592e4eb974c Mon Sep 17 00:00:00 2001
From: sw <939547590@qq.com>
Date: Fri, 12 Sep 2014 14:31:42 +0800
Subject: [PATCH] =?UTF-8?q?=E4=BC=98=E5=8C=96=E4=BB=A3=E7=A0=81?=
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---
 app/controllers/zipdown_controller.rb | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/app/controllers/zipdown_controller.rb b/app/controllers/zipdown_controller.rb
index cb4ab3c7a..e57a2c59a 100644
--- a/app/controllers/zipdown_controller.rb
+++ b/app/controllers/zipdown_controller.rb
@@ -82,10 +82,10 @@ class ZipdownController < ApplicationController
     user_zip_paths = homeattaches.map do |homeattach|
       if homeattach.attachments.count > 0
         zip_homework_by_user homeattach
-        has_file = true if has_file == false
+        has_file = true unless has_file
       end
     end
-    if has_file == false
+    unless has_file
       render file: 'public/no_file_fond.html' , :layout => 'course_base'
     end
     zipping "#{Time.now.to_i}_#{bid.name}.zip", user_zip_paths, OUTPUT_FOLDER