diff --git a/app/controllers/games_controller.rb b/app/controllers/games_controller.rb
index 1457cafcc..9ce95843d 100644
--- a/app/controllers/games_controller.rb
+++ b/app/controllers/games_controller.rb
@@ -767,8 +767,10 @@ class GamesController < ApplicationController
   # 记录实训花费的时间
   # REDO:需要添加详细的说明
   def cost_time
-    cost_time = params[:time].to_i
-    @game.update_attribute(:cost_time, cost_time)
+    #return if @game.status >= 2
+    cost_time = (Time.now.to_i - @game.play_time.to_i) + @game.cost_time.to_i
+    @game.update_attributes(cost_time: cost_time, play_sign: 0)
+    render_ok
   end
 
   # 同步challenge的更新时间
@@ -938,6 +940,13 @@ class GamesController < ApplicationController
     game.update_attributes(status: 0, open_time: Time.now) if game.open_time.blank? || game.status == 3
     # 开启实训更新myshixuns的时间，方便跟踪用于的学习进度。
     game.myshixun.update_column(:updated_at, Time.now)
+    # 如果异常关闭的话 更新完关卡的时间
+    if game.status < 2 && @game.play_sign == 0
+      @game.update_attributes(play_time: Time.now, play_sign: 1)
+    elsif game.status < 2 && @game.play_sign == 1
+      cost_time = Time.now.to_i - (@game.play_time.presence || Time.now).to_i + cost_time.to_i
+      @game.update_attributes(play_time: Time.now, cost_time: cost_time, play_sign: 1)
+    end
   end
 
   # vnc连接
diff --git a/app/models/game.rb b/app/models/game.rb
index 7aa2e7264..d82392a59 100644
--- a/app/models/game.rb
+++ b/app/models/game.rb
@@ -3,7 +3,7 @@
 # modify_time： 与challenges表的modify_time联合使用，2个字段一致，则标识测试集未修改，反之，被修改
 # answer_open: 查看查看答案的深度, 0: 未查看过答案, 其他数值与challenge_answer的level值相关
 # answer_deduction: 查看答案扣分的百分比;如 查看答案 扣除70%
-#
+#play_sign 与play_time: sign记录浏览器是否正常关闭， 0表示正常，1表示非正常； play_time：表示游玩时间
 class Game < ApplicationRecord
   default_scope { order("games.created_at desc") }
 
diff --git a/app/views/games/cost_time.json.jbuilder b/app/views/games/cost_time.json.jbuilder
deleted file mode 100644
index efe6fc949..000000000
--- a/app/views/games/cost_time.json.jbuilder
+++ /dev/null
@@ -1 +0,0 @@
-json.game @game
\ No newline at end of file
diff --git a/db/migrate/20191119021844_add_close_browser_time_for_games.rb b/db/migrate/20191119021844_add_close_browser_time_for_games.rb
new file mode 100644
index 000000000..f1d694fea
--- /dev/null
+++ b/db/migrate/20191119021844_add_close_browser_time_for_games.rb
@@ -0,0 +1,6 @@
+class AddCloseBrowserTimeForGames < ActiveRecord::Migration[5.2]
+  def change
+    add_column :games, :play_time, :timestamp
+    add_column :games, :play_sign, :integer, :default => 0
+  end
+end