diff --git a/app/controllers/shixuns_controller.rb b/app/controllers/shixuns_controller.rb
index 7e2a53742..d197b6f9d 100644
--- a/app/controllers/shixuns_controller.rb
+++ b/app/controllers/shixuns_controller.rb
@@ -291,13 +291,13 @@ class ShixunsController < ApplicationController
 						new_challenge.attributes = challenge.attributes.dup.except("id","shixun_id","user_id", "challenge_tags_count")
 						new_challenge.user_id = User.current.id
 						new_challenge.shixun_id = @new_shixun.id
-						new_challenge.save!
+						new_challenge.save!(validate: false)
 						# 同步参考答案
 						challenge.challenge_answers.each do |answer|
 							new_answer = ChallengeAnswer.new
 							new_answer.attributes = answer.attributes.dup.except("id","challenge_id")
 							new_answer.challenge_id = new_challenge.id
-							new_answer.save!
+							new_answer.save!(validate: false)
 						end
 						if challenge.st == 0  # 评测题
 							# 同步测试集
@@ -306,7 +306,7 @@ class ShixunsController < ApplicationController
 									new_test_set = TestSet.new
 									new_test_set.attributes = test_set.attributes.dup.except("id","challenge_id")
 									new_test_set.challenge_id = new_challenge.id
-									new_test_set.save!
+									new_test_set.save!(validate: false)
 								end
 							end
 							# 同步关卡标签