From 2cf253a26bef4b7273322c42cb30c26509ddc314 Mon Sep 17 00:00:00 2001
From: guange <8863824@gmail.com>
Date: Thu, 4 Feb 2016 17:30:49 +0800
Subject: [PATCH] =?UTF-8?q?=E5=A4=8D=E5=88=B6=E8=AF=BE=E7=A8=8B=E5=9B=BE?=
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---
 app/helpers/avatar_helper.rb | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/app/helpers/avatar_helper.rb b/app/helpers/avatar_helper.rb
index 0291d177f..5c3ffd950 100644
--- a/app/helpers/avatar_helper.rb
+++ b/app/helpers/avatar_helper.rb
@@ -63,7 +63,7 @@ module AvatarHelper
     if source.class && source.id && File.exist?(disk_filename(source.class,source.id))
       avatar_image(source, false)
     elsif copy_course?(source.class, source.id)
-      avatar_image(source, true)
+      get_avatar(Course.find(source.is_copy)) rescue nil
     else
       File.join(relative_path,avatar_directory(source.class),'0')
     end