调整

app/models/hack.rb

@@ -21,6 +21,8 @@ class Hack < ApplicationRecord
   belongs_to :user
   belongs_to :sub_discipline
 
+  has_one :item_bank, as: :container, dependent: :destroy
+
   scope :published, -> { where(status: 1) }
   scope :unpublish, -> { where(status: 0) }
   scope :opening, -> {where(open_or_not: 1)}

app/models/item_bank.rb

@@ -12,6 +12,8 @@ class ItemBank < ApplicationRecord
   has_many :tag_discipline_containers, as: :container, dependent: :destroy
   has_many :tag_disciplines, through: :tag_discipline_containers
 
+  belongs_to :container, polymorphic: true, optional: true
+
   def analysis
     item_analysis&.analysis
   end