diff --git a/app/services/games_service.rb b/app/services/games_service.rb
index a418cf8a..d1baa8b3 100644
--- a/app/services/games_service.rb
+++ b/app/services/games_service.rb
@@ -258,7 +258,7 @@ class GamesService
     challenge_score = challenge.try(:score)
     final_score = @game.final_score
     if current_user.grade.to_i - challenge_score > 0
-      unless @game.answer_open # 如果这是第一次查看答案
+      if @game.answer_open == 0 # 如果这是第一次查看答案
         if challenge.st == 0
           final_score = final_score - challenge_score
           # 积分消耗情况记录