代码查重查看报错

app/controllers/homework_commons_controller.rb

@@ -1460,7 +1460,7 @@ class HomeworkCommonsController < ApplicationController
               code_rate += game_codes.map(&:rate).sum / challenge.path.split("；").length
             end
             logger.info("#####game_codes: #{game_codes}")
-            target = game_codes.count > 0 ? game_codes[0].target_user_id : nil
+            #target = game_codes.count > 0 ? game_codes[0].target_user_id : nil
             # 作品完成时间
             game = challenge.games.find_by(user_id: @user.id)
             end_time = game.end_time
@@ -1468,7 +1468,7 @@ class HomeworkCommonsController < ApplicationController
             all_score = homework_challenge_settings.find_by(challenge_id: challenge.id).try(:score).to_f
             final_score = @student_work.work_challenge_score game, all_score
             # 抄袭用户
-            copy_user = User.find_by_id(game_codes[0].target_user_id)
+            copy_user = User.find_by_id(game_codes[0].try(:target_user_id))
             copy_end_time = copy_user.games.find_by(challenge_id: challenge.id).try(:end_time) if copy_user.present?
             # 代码部分
             code_list = []