diff --git a/app/controllers/competitions/competition_teams_controller.rb b/app/controllers/competitions/competition_teams_controller.rb
index 0bc61201a..f20c87b0d 100644
--- a/app/controllers/competitions/competition_teams_controller.rb
+++ b/app/controllers/competitions/competition_teams_controller.rb
@@ -136,7 +136,7 @@ class Competitions::CompetitionTeamsController < Competitions::BaseController
 
   def tech_mode
     # render_not_found if current_competition.mode != 3
-    @team = current_competition.competition_teams.find_by(id: params[:id])
+    @team = current_competition.competition_teams.find_by!(id: params[:id])
   end
 
   def get_valid_myshixun_count(ids)
diff --git a/app/models/competition.rb b/app/models/competition.rb
index 130cd270d..694f1ca57 100644
--- a/app/models/competition.rb
+++ b/app/models/competition.rb
@@ -66,7 +66,7 @@ class Competition < ApplicationRecord
 
   # 是否为个人赛
   def personal?
-    competition_staffs.maximum(:maximum) == 1 || (competition_staffs.nil? && max_num == 1)
+    competition_staffs.sum(:maximum).to_i == 1 || (competition_staffs.nil? && max_num == 1)
   end
 
   # 报名是否结束