diff --git a/app/controllers/question_banks_controller.rb b/app/controllers/question_banks_controller.rb
index f814822e8..299224527 100644
--- a/app/controllers/question_banks_controller.rb
+++ b/app/controllers/question_banks_controller.rb
@@ -240,8 +240,9 @@ class QuestionBanksController < ApplicationController
     ActiveRecord::Base.transaction do
       new_task = GraduationTask.new
       new_task.attributes = task.attributes.dup.except("id", "course_id", "user_id", "quotes", "graduation_task_id",
-                                                       "course_list_id")
+                                                       "course_list_id", "gtask_bank_id")
       new_task.course_id = course.id
+      new_task.gtask_bank_id = task.id
       new_task.user_id = current_user.id
       if new_task.save!
         new_task.create_work_list
@@ -264,8 +265,10 @@ class QuestionBanksController < ApplicationController
   def quote_gtopic_bank topic, course
     ActiveRecord::Base.transaction do
       new_topic = GraduationTopic.new
-      new_topic.attributes = topic.attributes.dup.except("id", "course_id", "user_id", "graduation_topic_id", "course_list_id")
+      new_topic.attributes = topic.attributes.dup.except("id", "course_id", "user_id", "graduation_topic_id",
+                                                         "course_list_id", "gtopic_bank_id")
       new_topic.course_id = course.id
+      new_topic.gtopic_bank_id = topic.id
       new_topic.user_id = current_user.id
       new_topic.save
 
diff --git a/app/models/graduation_task.rb b/app/models/graduation_task.rb
index 308c51be4..8d89da693 100644
--- a/app/models/graduation_task.rb
+++ b/app/models/graduation_task.rb
@@ -19,6 +19,8 @@ class GraduationTask < ApplicationRecord
   has_many :graduation_works, -> { where("is_delete != 1") }
   has_many :graduation_work_scores
 
+  belongs_to :gtask_bank, optional: true
+
   validates :name, length: { maximum: 60 }
   validates :description, length: { maximum: 5000 }
 
diff --git a/app/models/graduation_topic.rb b/app/models/graduation_topic.rb
index 3aed72d9c..5a2a630e5 100644
--- a/app/models/graduation_topic.rb
+++ b/app/models/graduation_topic.rb
@@ -10,7 +10,7 @@ class GraduationTopic < ApplicationRecord
   has_many :journals_for_messages, :as => :jour, :dependent => :destroy
 
   # 题库
-
+  belongs_to :gtopic_bank, optional: true
 
   scope :search_by_name, ->(name) { where("graduation_topics.name LIKE ?", "%#{name}%")}
   scope :search_by_status, ->(status) {where(status: status)}