diff --git a/app/controllers/student_works_controller.rb b/app/controllers/student_works_controller.rb
index 9c71b82e2..213ea40c0 100644
--- a/app/controllers/student_works_controller.rb
+++ b/app/controllers/student_works_controller.rb
@@ -432,7 +432,7 @@ class StudentWorksController < ApplicationController
     @games = @work.myshixun.games.includes(:challenge) if @work.myshixun
 
     # 用户最大评测次数
-    @user_evaluate_count = @games.inject(0){|sum, g| sum + g.outputs.pluck(:query_index).first.to_i } if @games
+    @user_evaluate_count = @games.sum(:evaluate_count) if @games
     # 图形效率图的数据
     @echart_data = student_efficiency(@homework, @work)
   end
@@ -440,10 +440,10 @@ class StudentWorksController < ApplicationController
   def export_shixun_work_report
     @user = @work.user
     @shixun = @homework.shixuns.take
-    @games = @work.myshixun.games.includes(:challenge, :game_codes,:outputs) if @work.myshixun
+    @games = @work.myshixun.games.includes(:challenge, :game_codes) if @work.myshixun
 
     # 用户最大评测次数
-    @user_evaluate_count = @games.inject(0){|sum, g| sum + g.outputs.pluck(:query_index).first.to_i } if @games
+    @user_evaluate_count = @games.sum(:evaluate_count) if @games
     # 图形效率图的数据
     @echart_data = student_efficiency(@homework, @work)
     @myself_eff = @echart_data[:efficiency_list].find { |item| item.last == @user.id }