diff --git a/app/controllers/student_works_controller.rb b/app/controllers/student_works_controller.rb
index 0002a49ea..7e23443d2 100644
--- a/app/controllers/student_works_controller.rb
+++ b/app/controllers/student_works_controller.rb
@@ -429,13 +429,17 @@ class StudentWorksController < ApplicationController
   def shixun_work_report
     @user = @work.user
     @shixun = @homework.shixuns.take
-    @games = @work.myshixun.games.includes(:challenge, :game_codes, :outputs) if @work.myshixun
+    # 提示： 这里如果includes outputs表的话： sum(:evaluate_count)会出现错误
+    @games = @work.myshixun.games if @work.myshixun
 
     # 用户最大评测次数
-    logger.info("-----------#{@games.map(&:evaluate_count)}")
-    logger.info("-------sum_evaluate_count----#{@games.sum(:evaluate_count)}")
-    logger.info("-------sum_evaluate_count----#{@games.sum("games.evaluate_count")}")
-    @user_evaluate_count = @games.sum(:evaluate_count) if @games
+    if @games
+      @user_evaluate_count = @games.sum(:evaluate_count)
+      @games = @games.includes(:challenge, :game_codes, :outputs)
+    else
+      @user_evaluate_count = 0
+    end
+
     # 图形效率图的数据
     @echart_data = student_efficiency(@homework, @work)
   end