diff --git a/app/models/game.rb b/app/models/game.rb
index 152ede0c..1ec1f8ea 100644
--- a/app/models/game.rb
+++ b/app/models/game.rb
@@ -22,7 +22,7 @@ class Game < ActiveRecord::Base
 
   # 根据得分比例来算实际得分(试卷、实训作业)
   def real_score score
-    self.final_score == challenge.score ? self.final_score : (self.final_score.to_f / challenge.score) * score
+    self.final_score == challenge.score ? score : (self.final_score.to_f / challenge.score) * score
   end
 
   def had_done