@ -205,7 +205,7 @@ class ShixunsController < ApplicationController
new_challenge.save!
# 同步参考答案
challenge.challenge_answers.each do |answer|
new_answer = Challenge.new
new_answer = ChallengeAnswer.new
new_answer = answer.attributes.dup.except("id","challenge_id")
new_answer.challenge_id = new_challenge.id
new_answer.save!