字符问题

app/controllers/trustie_hacks_controller.rb

@@ -1,5 +1,5 @@
 class TrustieHacksController < ApplicationController
-  before_action :require_admin, :except => [:index]
+  before_action :require_admin, :except => [:index, :entry]
   before_action :require_login, :except => [:index]
   before_action :find_hackathon
   before_action :find_hack, :except => [:create, :index, :edit_hackathon, :update_hackathon]

app/models/trustie_hack.rb

@@ -1,4 +1,5 @@
 class TrustieHack < ApplicationRecord
+  validates_length_of :description, maximum: 500
   has_many :hack_users, :dependent => :destroy
   belongs_to :trustie_hackathon, counter_cache: true
 

app/models/trustie_hackathon.rb

@@ -1,5 +1,5 @@
 class TrustieHackathon < ApplicationRecord
-
+  validates_length_of :description, maximum: 500
   has_many :trustie_hacks, :dependent => :destroy
 
 end

db/migrate/20191108070703_modify_descriotion_limit_for_hacks.rb

@@ -0,0 +1,6 @@
+class ModifyDescriotionLimitForHacks < ActiveRecord::Migration[5.2]
+  def change
+    change_column :trustie_hackathons, :description, :text
+    change_column :trustie_hacks, :description, :text
+  end
+end