From bf63ca785491d62d1de0c69ad9aea7dda121dbc2 Mon Sep 17 00:00:00 2001
From: sw <939547590@qq.com>
Date: Thu, 21 May 2015 17:28:38 +0800
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---
 app/controllers/student_work_controller.rb | 11 ++++++++---
 1 file changed, 8 insertions(+), 3 deletions(-)

diff --git a/app/controllers/student_work_controller.rb b/app/controllers/student_work_controller.rb
index df2513782..d619b1cd7 100644
--- a/app/controllers/student_work_controller.rb
+++ b/app/controllers/student_work_controller.rb
@@ -13,9 +13,14 @@ class StudentWorkController < ApplicationController
   end
 
   def new
-    @stundet_work = StudentWork.new
-    respond_to do |format|
-      format.html
+    student_work = @homework.student_works.where("user_id = ?",User.current.id).first
+    if student_work.nil?
+      @stundet_work = StudentWork.new
+      respond_to do |format|
+        format.html
+      end
+    else
+      render_403
     end
   end