diff --git a/app/controllers/games_controller.rb b/app/controllers/games_controller.rb
index 019211e7b..58e4683e0 100644
--- a/app/controllers/games_controller.rb
+++ b/app/controllers/games_controller.rb
@@ -970,7 +970,7 @@ class GamesController < ApplicationController
     game.update_attribute(:status, 0) if game.status == 1
     game.update_attributes(status: 0, open_time: Time.now) if 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(:update_at, Time.now)
+    game.myshixun.update_column(:updated_at, Time.now)
   end
 
 end