From cbf0d74eea4d319311c3728c00e4f09ab8066d7e Mon Sep 17 00:00:00 2001
From: SylorHuang <sylor_huang@126.com>
Date: Thu, 12 Sep 2019 16:13:27 +0800
Subject: [PATCH] =?UTF-8?q?=E8=AF=95=E5=8D=B7=E7=AC=AC=E4=B8=80=E6=AC=A1?=
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---
 app/controllers/exercise_questions_controller.rb | 5 +++--
 app/models/exercise_answer_comment.rb            | 2 +-
 2 files changed, 4 insertions(+), 3 deletions(-)

diff --git a/app/controllers/exercise_questions_controller.rb b/app/controllers/exercise_questions_controller.rb
index 5032cb469..affbdcd56 100644
--- a/app/controllers/exercise_questions_controller.rb
+++ b/app/controllers/exercise_questions_controller.rb
@@ -525,7 +525,8 @@ class ExerciseQuestionsController < ApplicationController
               :score => @c_score,
               :answer_text => ""
             }
-            ExerciseAnswer.create(answer_option)
+            ex_answers = ExerciseAnswer.new(answer_option)
+            ex_answers.save
             ex_answer_old = 0
           end
           if ex_obj_score <= 0.0
@@ -625,7 +626,7 @@ class ExerciseQuestionsController < ApplicationController
           @exercise_current_user.update_attributes(ex_scores)
         end
         comments = params[:comment]
-        question_comment = @exercise_question.exercise_answer_comments.first
+        question_comment = @exercise_question.exercise_answer_comments&.first
         if question_comment.present?
           comment_option = {
               :comment => comments.present? ? comments : question_comment.comment,
diff --git a/app/models/exercise_answer_comment.rb b/app/models/exercise_answer_comment.rb
index 7da0ec4c7..4279ba445 100644
--- a/app/models/exercise_answer_comment.rb
+++ b/app/models/exercise_answer_comment.rb
@@ -3,7 +3,7 @@ class ExerciseAnswerComment < ApplicationRecord
   belongs_to :user
   belongs_to :exercise_question
   belongs_to :exercise_shixun_answer, optional: true
-  belongs_to :exercise_answer,optional: true
+  belongs_to :exercise_answer, optional: true
 
   scope :search_answer_comments, lambda {|name,ids| where("#{name}":ids)}
 end