题库的删除

app/models/hack.rb

@@ -23,7 +23,6 @@ class Hack < ApplicationRecord
   belongs_to :sub_discipline
 
   has_one :item_bank, as: :container, dependent: :destroy
-  has_one :examination_bank, as: :container, dependent: :destroy
 
   scope :published, -> { where(status: 1) }
   scope :unpublish, -> { where(status: 0) }