fix bug

app/views/exercise_questions/_exercise_questions.json.jbuilder

@@ -81,6 +81,17 @@ elsif question.question_type == 5
   if (exercise_type == 3 || exercise_type == 4) && (shixun_type.present? && shixun_type > 0 )  #教师评阅/试卷截止后，答案公开/试卷未截止，但学生已做了实训题
     json.shixun_details do
       json.array! shixun_challenges do |s|
+
+
+        exercise_cha_score = nil
+        game = Game.user_games(ex_answerer.id,s.challenge_id).first
+        if game.present?
+          if game.status == 2 && game.final_score >= 0
+            exercise_cha_score = s.question_score #每一关卡的得分
+          end
+        end
+        json.exercise_cha_socre  exercise_cha_score
+
         games_score = shixun_game_scores(s,ex_answerer,shixun_type,question.id)
         user_get_score = games_score[:s_score].present? ? games_score[:s_score] : 0.0
         json.shixun_challenge_id s.id