diff --git a/app/controllers/admins/competition_settings_controller.rb b/app/controllers/admins/competition_settings_controller.rb
index d062e4c46..b2e1dba26 100644
--- a/app/controllers/admins/competition_settings_controller.rb
+++ b/app/controllers/admins/competition_settings_controller.rb
@@ -20,10 +20,14 @@ class Admins::CompetitionSettingsController < Admins::BaseController
   end
 
   def basic_form_params
-    params.permit(:identifier, :name, :sub_title, :sponsor_schools, :region_schools, :start_time, :end_time, :mode, :identifier, :bonus, :awards_count, :description, :course_id, :teach_start_time, :teach_end_time)
+    params.permit(:identifier, :name, :sub_title, :start_time, :end_time, :mode,
+                  :identifier, :bonus, :awards_count, :description, :course_id, :teach_start_time,
+                  :teach_end_time, sponsor_schools: [], region_schools: [])
   end
 
   def nav_form_params
-    params.permit(:enroll_end_time, competition_staffs: %i[category minimum maximum mutiple_limited], navbar: %i[module_type name hidden position url])
+    params.permit(:enroll_end_time,
+                  competition_staffs: %i[category minimum maximum mutiple_limited],
+                  navbar: %i[module_type name hidden position url])
   end
 end
\ No newline at end of file
diff --git a/app/services/admins/competition_basic_setting_service.rb b/app/services/admins/competition_basic_setting_service.rb
index dc3a9cdc5..fa8264f36 100644
--- a/app/services/admins/competition_basic_setting_service.rb
+++ b/app/services/admins/competition_basic_setting_service.rb
@@ -35,16 +35,18 @@ class Admins::CompetitionBasicSettingService < ApplicationService
       end
 
       # 主办方设置
-      new_school_ids = (params[:sponsor_schools] || []) - competition.sponsor_schools.pluck(:school_id)
-      delete_school_ids = competition.sponsor_schools.pluck(:school_id) - (params[:sponsor_schools] || [])
+      params[:sponsor_schools] = Array.wrap(params[:sponsor_schools]).map(&:to_i)
+      new_school_ids = params[:sponsor_schools] - competition.sponsor_schools.pluck(:school_id)
+      delete_school_ids = competition.sponsor_schools.pluck(:school_id) - params[:sponsor_schools]
       new_school_ids.each do |school_id|
         CompetitionSchool.create!(competition_id: competition.id, school_id: school_id, source: 'sponsor')
       end
       competition.sponsor_schools.where(school_id: delete_school_ids).destroy_all
 
       # 开放范围设置
-      new_region_school_ids = (params[:region_schools] || []) - competition.region_schools.pluck(:school_id)
-      delete_region_school_ids = competition.region_schools.pluck(:school_id) - (params[:region_schools] || [])
+      params[:region_schools] = Array.wrap(params[:region_schools]).map(&:to_i)
+      new_region_school_ids = params[:region_schools] - competition.region_schools.pluck(:school_id)
+      delete_region_school_ids = competition.region_schools.pluck(:school_id) - params[:region_schools]
       new_region_school_ids.each do |school_id|
         CompetitionSchool.create!(competition_id: competition.id, school_id: school_id, source: 'region')
       end
diff --git a/app/views/admins/competition_settings/index.html.erb b/app/views/admins/competition_settings/index.html.erb
index 537291149..8f72ed5e8 100644
--- a/app/views/admins/competition_settings/index.html.erb
+++ b/app/views/admins/competition_settings/index.html.erb
@@ -98,7 +98,8 @@
             主办方
           </div>
           <div class="col-5 text-left sponsorPanel">
-            <%= select_tag :sponsor_schools, options_for_select([], @competition.sponsor_schools), class: 'form-control sponsor-select' %>
+            <% sponsor_data = @competition.sponsor_schools.map { |s| [s.school.name, s.school.id] } %>
+            <%= select_tag :sponsor_schools, options_for_select(sponsor_data, @competition.sponsor_schools.map(&:school_id)), class: 'form-control sponsor-select', multiple: true %>
           </div>
         </div>
 
@@ -107,7 +108,8 @@
             开放范围
           </div>
           <div class="col-5 text-left sponsorPanel">
-            <%= select_tag :region_schools, options_for_select([], @competition.region_schools), class: 'form-control allow-school-select' %>
+            <% region_data = @competition.region_schools.map { |s| [s.school.name, s.school.id] } %>
+            <%= select_tag :region_schools, options_for_select(region_data, @competition.region_schools.map(&:school_id)), class: 'form-control allow-school-select', multiple: true %>
           </div>
         </div>