限制参考答案大小：

app/controllers/application_controller.rb

@@ -224,7 +224,7 @@ class ApplicationController < ActionController::Base
 	# 未授权的捕捉407，弹试用申请弹框
 	def require_login
 		#6.13 -hs
-		tip_exception(401, "..") unless User.current.logged?
+		tip_exception(401, "请登录后再操作") unless User.current.logged?
 	end
 
 	# 异常提醒

app/controllers/challenges_controller.rb

@@ -181,7 +181,7 @@ class ChallengesController < ApplicationController
     begin
       ActiveRecord::Base.transaction do
         tab = params[:tab].to_i
-        @challenge.update_attributes(challenge_params)
+        @challenge.update_attributes!(challenge_params)
         if tab == 0 && @challenge.st == 0
           @challenge.challenge_tags.delete_all
           if params[:challenge_tag].present?
@@ -211,7 +211,7 @@ class ChallengesController < ApplicationController
               # last： 末尾匹配， full: 全完匹配
               logger.info("set: #{set}; match_rule : #{set[:match_rule]}")
               match_rule = set[:match_rule] == 'last' ? 'last' : 'full'
-              TestSet.create(:challenge_id => @challenge.id,
+              TestSet.create!(:challenge_id => @challenge.id,
                              :input => "#{set[:input]}",
                              :output => "#{set[:output]}",
                              :is_public => params_hidden[index],

app/models/test_set.rb

@@ -2,6 +2,6 @@ class TestSet < ApplicationRecord
   # match_rule: 匹配规则： full： 完全匹配， last： 末尾匹配
   #
   validates :input, length: { maximum: 5000, too_long: "不能超过5000个字符" }
-  validates :output, length: { maximum: 5000, too_long: "不能超过5000个字符" }
+  validates :output, length: { maximum: 65000, too_long: "不能超过65000个字符" }
 
 end