diff --git a/app/controllers/hacks_controller.rb b/app/controllers/hacks_controller.rb
index dbddd9105..a2ca85f34 100644
--- a/app/controllers/hacks_controller.rb
+++ b/app/controllers/hacks_controller.rb
@@ -10,6 +10,7 @@ class HacksController < ApplicationController
     # 未发布的编程题，只能作者、或管理员访问
     start_hack_auth
     user_hack = @hack.hack_user_lastest_codes.mine(current_user.id)
+    logger.info("#user_hack: #{user_hack}")
     identifier =
         if user_hack.present?
           logger.info("#####user_hack_id:#{user_hack.id}")