diff --git a/app/services/games_service.rb b/app/services/games_service.rb
index d293b0f2..253b5bcd 100644
--- a/app/services/games_service.rb
+++ b/app/services/games_service.rb
@@ -533,7 +533,6 @@ class GamesService
 
     # 更新评测次数
     game.update_column(:evaluate_count, (game.evaluate_count.to_i + 1))
-    # shixun.increment!(:evaluate_count)
     # 清空代码评测信息
     msg = game.run_code_message
     msg.update_attributes(:status => 0, :message => nil) if msg.present?
@@ -694,7 +693,6 @@ class GamesService
                         :evaluate_count]).find_by_identifier(params[:identifier])
     # 更新评测次数
     game.update_column(:evaluate_count, (game.evaluate_count.to_i + 1))
-    # game.challenge.shixun.increment!(:evaluate_count)
 
     # 选择题如果通关了，则不让再评测
     if game.status == 2
diff --git a/app/services/management/school_report_service.rb b/app/services/management/school_report_service.rb
index b102c01a..406460cc 100644
--- a/app/services/management/school_report_service.rb
+++ b/app/services/management/school_report_service.rb
@@ -3,8 +3,9 @@ class Management::SchoolReportService
 
   attr_reader :params
 
+  # 因为实在太慢了，所以不开放 shixun_evaluate_count 排序
   sort_columns :student_count, :teacher_count, :homework_count, :other_homework_count,
-               :course_count, :active_course_count, :nearly_course_time, :shixun_count, :shixun_evaluate_count,
+               :course_count, :active_course_count, :nearly_course_time, :shixun_count,
                default_by: :teacher_count, default_direction: :desc
 
   def initialize(params)
@@ -49,7 +50,8 @@ class Management::SchoolReportService
 
     shixun_map = Shixun.joins(creator: :user_extensions).where(user_extensions: { identity: User::TEACHER, school_id: ids })
                    .group('school_id').count
-    evaluate_count_map = Shixun.joins(creator: :user_extensions).where(user_extensions: { identity: User::TEACHER, school_id: ids })
+    evaluate_count_map = Game.joins(challenge: { shixun: { creator: :user_extensions } })
+                           .where(user_extensions: { identity: User::TEACHER, school_id: ids })
                            .group('school_id').sum(:evaluate_count)
 
     schools.map do |school|
@@ -90,7 +92,9 @@ class Management::SchoolReportService
         .select("#{base_query_column}, COUNT(*) shixun_count")
     when 'shixun_evaluate_count' then
       schools.joins(teacher_extensions: :user).joins('INNER JOIN shixuns sx ON sx.user_id = users.id')
-        .select("#{base_query_column}, SUM(sx.evaluate_count) shixun_evaluate_count")
+        .joins('LEFT JOIN challenges cs ON cs.shixun_id = sx.id')
+        .joins('LEFT JOIN games ON games.challenge_id = cs.id')
+        .select("#{base_query_column}, SUM(games.evaluate_count) shixun_evaluate_count")
     when 'nearly_course_time' then
       schools.joins('LEFT JOIN courses cs ON cs.school_id = schools.id AND cs.is_delete = 0')
         .joins('LEFT JOIN course_activities acs ON acs.course_id = cs.id')
diff --git a/app/views/managements/schools/_statistics_list.html.erb b/app/views/managements/schools/_statistics_list.html.erb
index 0a0cb75d..559ff05c 100644
--- a/app/views/managements/schools/_statistics_list.html.erb
+++ b/app/views/managements/schools/_statistics_list.html.erb
@@ -10,7 +10,8 @@
     <th width="10%"><%= sort_tag('课堂总数', name: 'course_count', path: school_report_managements_path) %></th>
     <th width="10%"><%= sort_tag('正在进行课堂数', name: 'active_course_count', path: school_report_managements_path) %></th>
     <th width="10%"><%= sort_tag('创建实训数', name: 'shixun_count', path: school_report_managements_path) %></th>
-    <th width="10%"><%= sort_tag('评测次数', name: 'shixun_evaluate_count', path: school_report_managements_path) %></th>
+<!--    <th width="10%"><%#= sort_tag('评测次数', name: 'shixun_evaluate_count', path: school_report_managements_path) %></th>-->
+    <th width="10%">评测次数</th>
     <th width="10%"><%= sort_tag('实训作业总数', name: 'homework_count', path: school_report_managements_path) %></th>
     <th width="10%"><%= sort_tag('其它作业总数', name: 'other_homework_count', path: school_report_managements_path) %></th>
     <th width="14%"><%= sort_tag('动态时间', name: 'nearly_course_time', path: school_report_managements_path) %></th>
diff --git a/db/migrate/20190531002049_remove_evaluate_count_from_shixuns.rb b/db/migrate/20190531002049_remove_evaluate_count_from_shixuns.rb
new file mode 100644
index 00000000..591f2ffd
--- /dev/null
+++ b/db/migrate/20190531002049_remove_evaluate_count_from_shixuns.rb
@@ -0,0 +1,9 @@
+class RemoveEvaluateCountFromShixuns < ActiveRecord::Migration
+  def up
+    remove_column :shixuns, :evaluate_count
+  end
+
+  def down
+    add_column :shixuns, :evaluate_count, :integer, default: 0
+  end
+end