@ -206,7 +206,7 @@ class ShixunsController < ApplicationController
# 同步参考答案
challenge.challenge_answers.each do |answer|
new_answer = ChallengeAnswer.new
new_answer = answer.attributes.dup.except("id","challenge_id")
new_answer = new_answer.attributes.dup.except("id","challenge_id")
new_answer.challenge_id = new_challenge.id
new_answer.save!
end