diff --git a/app/controllers/games_controller.rb b/app/controllers/games_controller.rb
index 7abdc50f2..8173dfd39 100644
--- a/app/controllers/games_controller.rb
+++ b/app/controllers/games_controller.rb
@@ -288,16 +288,16 @@ class GamesController < ApplicationController
   end
 
   def minus_score
-    challenge = @game.challenge
+    @game_challenge = @game.challenge
     user = User.current
-    challenge_score = challenge.score.to_i
+    challenge_score = @game_challenge.score.to_i
+    reward_grade(User.current, @game.id, 'Answer', -challenge_score)
     user_score = user.grade.to_i
     @score = user_score - challenge_score
-    @answer = challenge.answer
+    @answer = @game_challenge.answer
 
     user.update_column(:grade, @score)
     @game.update_column(:answer_open, true)
-
     respond_to do |format|
       format.js
     end
diff --git a/app/views/games/minus_score.js.erb b/app/views/games/minus_score.js.erb
index c9c8dd115..e538521ec 100644
--- a/app/views/games/minus_score.js.erb
+++ b/app/views/games/minus_score.js.erb
@@ -1,3 +1,4 @@
+$("#myshixun_top").html('<%= escape_javascript(render :partial => 'myshixuns/myshixun_top') %>');
 $("#tab_con_3").html('<%= j (render :partial => 'games/acquire_answer') %>');
 $("#tab_nav_1").removeClass('tab_hover');
 $("#tab_nav_2").removeClass('tab_hover');