From cbff39697f381ed0df64f778269d697d48fcf8c5 Mon Sep 17 00:00:00 2001
From: daiao <358551898@qq.com>
Date: Tue, 13 Aug 2019 10:36:36 +0800
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---
 app/models/course_group.rb                                     | 2 +-
 app/views/exercise_questions/_exercise_questions.json.jbuilder | 2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/app/models/course_group.rb b/app/models/course_group.rb
index 33e40ee52..d57edf497 100644
--- a/app/models/course_group.rb
+++ b/app/models/course_group.rb
@@ -8,7 +8,7 @@ class CourseGroup < ApplicationRecord
   has_many :homework_group_reviews, :dependent => :destroy
   scope :by_group_ids, lambda { |ids| where(id: ids)}
 
-  validates :name, length: { maximum: 20 }
+  validates :name, length: { maximum: 60 }
 
   after_create :generate_invite_code
 
diff --git a/app/views/exercise_questions/_exercise_questions.json.jbuilder b/app/views/exercise_questions/_exercise_questions.json.jbuilder
index 61bf919ea..bbdf45440 100644
--- a/app/views/exercise_questions/_exercise_questions.json.jbuilder
+++ b/app/views/exercise_questions/_exercise_questions.json.jbuilder
@@ -17,7 +17,7 @@ if question.question_type <= 2  #当为选择题或判断题时，只显示选
   end
   json.question_choices do
     json.array! exercise_choices.each_with_index.to_a do |a,index|
-      #TODO: 旧版本来答案都是存在exercise_choice_id里面的，但是新版做成了一对多的关系，exercise_choice_id只存了一个答案，导致了问题
+      #TODO: 旧版本来一个题只有一个标准答案的，新版又做成了一个题有多个标准答案（exercise_choice_id存放的是标准答案的位置..）
       standard_answer_b = standard_answers_array.join("").include?(a.choice_position.to_s)
       user_answer_b = user_answer.include?(a.id)
       json.c_position (index+1) if ex_choice_random_boolean  #当选项随机时，选项位置以此为准，否则不出现