毕设选题添加到题库报404

app/controllers/courses_controller.rb

@@ -2,8 +2,6 @@ class CoursesController < ApplicationController
   include MessagesHelper
   include ExportHelper
 
-  rescue_from ::ActionView::MissingTemplate, with: :missing_template
-  rescue_from ActiveRecord::RecordNotFound, with: :object_not_found
   # model validation error
   rescue_from ActiveRecord::RecordInvalid do |ex|
     render_error(ex.record.errors.full_messages.join(','))

app/controllers/graduation_topics_controller.rb

@@ -3,7 +3,7 @@ class GraduationTopicsController < ApplicationController
   before_action :find_course
   before_action :teacher_allowed, only: [:new, :create, :update, :edit, :destroys, :set_public,
                                          :refuse_student_topic, :accept_student_topic, :export]
-  before_action :find_graduation_topic, except: [:index, :create, :new, :set_public, :destroys, :export]
+  before_action :find_graduation_topic, except: [:index, :create, :new, :set_public, :destroys, :export, :add_to_bank]
   before_action :find_course_teachers, only: [:new, :edit]
   before_action :user_course_identity, only: [:index, :show, :show_detail, :show_comment]