fixed

db/migrate/20240618012101_change_competition_user_tpl.rb

@@ -0,0 +1,5 @@
+class ChangeCompetitionUserTpl < ActiveRecord::Migration[5.2]
+  def change
+    change_column :competition_users, :enroll_template_id, :string
+  end
+end

db/migrate/20240717100711_add_competition_info_ext.rb

@@ -0,0 +1,9 @@
+class AddCompetitionInfoExt < ActiveRecord::Migration[5.2]
+  def change
+    add_column :competition_infos, :ext1, :text
+    add_column :competition_infos, :ext2, :text
+    add_column :competition_infos, :ext3, :text
+    add_column :competition_infos, :ext4, :text
+    add_column :competition_infos, :ext5, :text
+  end
+end