From 4cd076a9269c1577d0f10743d05b9c59a8735a64 Mon Sep 17 00:00:00 2001
From: cxt <853663049@qq.com>
Date: Mon, 1 Jul 2019 14:48:43 +0800
Subject: [PATCH] =?UTF-8?q?t=E8=B0=83=E6=95=B4?=
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---
 app/controllers/courses_controller.rb | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/app/controllers/courses_controller.rb b/app/controllers/courses_controller.rb
index a35860f2..221acf3c 100644
--- a/app/controllers/courses_controller.rb
+++ b/app/controllers/courses_controller.rb
@@ -2434,7 +2434,7 @@ class CoursesController < ApplicationController
       sheet1[count_row,column+=1] = member.user.login
       sheet1[count_row,column+=1] = member.user.mail
       sheet1[count_row,column+=1] = member.user.user_extensions.student_id
-      sheet1[count_row,column+=1] = member.course_group_id == 0 ? "暂无" : member.course_group.name
+      sheet1[count_row,column+=1] = member.course_group_id == 0 ? "暂无" : member.course_group.try(:name)
       # current_col = 5
       shixun_score = 0
       homeworks.where(:homework_type => 4).each do |homework|