diff --git a/app/controllers/challenges_controller.rb b/app/controllers/challenges_controller.rb
index e2f5f7078..c21a493e0 100644
--- a/app/controllers/challenges_controller.rb
+++ b/app/controllers/challenges_controller.rb
@@ -191,12 +191,15 @@ class ChallengesController < ApplicationController
         sets_input = test_set.map(&:input)
         sets_open = test_set.map(&:is_public)
         set_score = test_set.map(&:score)
+        set_match_rule = test_set.map(&:match_rule)
         params_hidden = params[:test_set].map{|set| set[:hidden].to_i == 0}
         params_output = params[:test_set].map{|set| set[:output] }
         params_input = params[:test_set].map{|set| set[:input] }
         params_score = params[:test_set].map{|set| set[:score]}
+        params_test_set = params[:test_set].map{|set| set[:match_rule]}
         # 测试集变化则需要更新(输入、 输出、 是否隐藏)
-        if sets_output != params_output || sets_open != params_hidden || sets_input != params_input || set_score != params_score
+        if sets_output != params_output || sets_open != params_hidden || sets_input != params_input ||
+            set_score != params_score || params_test_set != set_match_rule
           test_set.delete_all unless test_set.blank?
           params[:test_set].each_with_index do |set, index|
             # last： 末尾匹配， full: 全完匹配