From 3c425edc3c3fb9bbb737db2d64f51775e23ff2c3 Mon Sep 17 00:00:00 2001
From: guange <8863824@gmail.com>
Date: Tue, 28 Jun 2016 17:46:27 +0800
Subject: [PATCH] =?UTF-8?q?=E4=BF=AE=E5=A4=8D=E9=82=80=E8=AF=B7=E7=A0=81?=
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---
 app/models/course.rb | 1 +
 1 file changed, 1 insertion(+)

diff --git a/app/models/course.rb b/app/models/course.rb
index a562f91b7..f286a2443 100644
--- a/app/models/course.rb
+++ b/app/models/course.rb
@@ -470,6 +470,7 @@ class Course < ActiveRecord::Base
     if !code || code.size <5
       code = CODES.sample(5).join
       return generate_invite_code if Course.where(invite_code: code).present?
+      self[:invite_code] = code
       save! && reload
     end
     code