fixed 个人提交作品增加历史,时间

app/views/competition_infos/enroll_list.json.jbuilder

@@ -14,6 +14,7 @@ json.data do
     json.last_score @stage.present? ? c_user.stage_last_score(@stage)  : c_user.last_score
     json.other_score_json @stage.present? && c_user.stage_max_score_data(@stage).present? ? c_user.stage_max_score_data(@stage): c_user.api_result_data
     json.history_scores c_user.competition_user_scores do |user_score|
+      json.created_at user_score.created_at
       json.score user_score.api_result_data
     end
     json.enroll_template do

app/views/competition_infos/enroll_status.json.jbuilder

@@ -19,6 +19,7 @@ json.data do
       json.score @stage.present? ? @competition_user.stage_score(@stage) :  @competition_user.score
       json.last_score @stage.present? ? @competition_user.stage_last_score(@stage) :  @competition_user.last_score
       json.history_scores @competition_user.competition_user_scores do |user_score|
+        json.created_at user_score.created_at
         json.score user_score.api_result_data
       end
       json.enroll_template do