From de17a84061dca4d765d1b0dfb6a6d64faf3e1819 Mon Sep 17 00:00:00 2001
From: sw <939547590@qq.com>
Date: Tue, 22 Jul 2014 13:48:30 +0800
Subject: [PATCH] =?UTF-8?q?=E5=A2=9E=E5=8A=A0=E5=BC=82=E5=B8=B8=E6=8D=95?=
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---
 app/controllers/zipdown_controller.rb | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/app/controllers/zipdown_controller.rb b/app/controllers/zipdown_controller.rb
index 653400cbe..16e6ea870 100644
--- a/app/controllers/zipdown_controller.rb
+++ b/app/controllers/zipdown_controller.rb
@@ -41,7 +41,7 @@ class ZipdownController < ApplicationController
       if homework != nil
         if homework.attachments.count > 0
           zipfile = zip_homework_by_user homework
-          send_file zipfile, :filename => homework.name+".zip", :type => detect_content_type(zipfile) if zipfile
+          send_file zipfile, :filename => homework.name+".zip", :type => detect_content_type(zipfile) if(zipfile)
         else
           render_403 :message => :no_file_dowmload
         end
@@ -51,6 +51,8 @@ class ZipdownController < ApplicationController
     else
       render_403 :message => :notice_not_authorized
     end
+  rescue => e
+    render file: 'public/file_not_found.html'
   end
 
   private