diff --git a/app/controllers/exercises_controller.rb b/app/controllers/exercises_controller.rb
index 79b22d571..fe04e04f8 100644
--- a/app/controllers/exercises_controller.rb
+++ b/app/controllers/exercises_controller.rb
@@ -1390,7 +1390,7 @@ class ExercisesController < ApplicationController
         if @paging_type == "percent"
           @question_result_hash = ques_result_all.sort_by{|s| s[:percent]}
         else
-          @question_result_hash = ques_result_all.sort_by{|s| s["#{@paging_type}"]}
+          @question_result_hash = ques_result_all.sort_by{|s| s[:"#{@paging_type}"]}
         end
 
         @exercise_questions_count = @exercise_questions.size
diff --git a/app/helpers/exercises_helper.rb b/app/helpers/exercises_helper.rb
index 7d50d1a66..280f571a4 100644
--- a/app/helpers/exercises_helper.rb
+++ b/app/helpers/exercises_helper.rb
@@ -220,13 +220,13 @@ module ExercisesHelper
           full_scores = cha_shixun_answer.search_shixun_keys("score",cha_score).size  #满分人数
           no_full_scores = cha_shixun_answer.shixun_no_full_scores(cha_score).size  #部分分数人数c
           all_zero_scores = cha_shixun_answer.search_shixun_keys("score",0.0).size  #零分人数
-          shiun_scores = user_ids.count * cha_score
+          shixun_scores = user_ids.count * cha_score
           shixun_answered_scores = cha_shixun_answer.score_reviewed.pluck(:score).sum  #该问题的全部得分
 
           if shixun_answered_scores == 0.0
-            game_percent = 0.0
+            game_percent = "0.0"
           else
-            game_percent = (shixun_answered_scores / shiun_scores.to_f).round(3) * 100  #正确率
+            game_percent = (shixun_answered_scores / shixun_scores.to_f).round(3) * 100  #正确率
           end
 
           shixun_score_array = [full_scores,no_full_scores,all_zero_scores]
@@ -234,7 +234,7 @@ module ExercisesHelper
           shixun_score_array.each_with_index do |s,index|
             right_answer = (index == 0)
             if effictive_users_count == 0
-              score_percent = 0.0
+              score_percent = "0.0"
             else
               score_percent = (s.to_i / effictive_users_count.to_f ).round(3)
             end