fixbug

app/views/exercises/exercise_result.json.jbuilder

@@ -40,10 +40,10 @@ json.commit_results do
           elsif q[:type] == Exercise::JUDGMENT
             ques_index = (index+1).to_s
           else
-            ques_index = ""
+            ques_index = nil
           end
           json.choice_position d[:choice_position]
-          json.choice_text "#{ques_index}.#{d[:choice_text]}"
+          json.choice_text ques_index.present? ? "#{ques_index}.#{d[:choice_text]}" : d[:choice_text]
           json.choice_users_count d[:choice_users_count]
           json.choice_percent d[:choice_percent]
           json.choice_right_boolean d[:right_answer]
@@ -57,9 +57,9 @@ json.commit_results do
           json.challenge_position cha[:cha_position]
           json.challenge_percent cha[:cha_percent]
           json.challenge_details do
-            json.array! cha[:cha_details].each_with_index.to_a do |ch,index|
+            json.array! cha[:cha_details] do |ch|
               json.choice_position ch[:choice_position]
-              json.choice_text "#{(index+1).to_s}.#{ch[:choice_text]}"
+              json.choice_text ch[:choice_text]
               json.choice_users_count ch[:choice_users_count]
               json.choice_percent ch[:choice_percent]
               json.choice_right_boolean ch[:right_answer]