diff --git a/app/controllers/crawlers/courses_crawler_controller.rb b/app/controllers/crawlers/courses_crawler_controller.rb
index dc41553..b6c7aeb 100644
--- a/app/controllers/crawlers/courses_crawler_controller.rb
+++ b/app/controllers/crawlers/courses_crawler_controller.rb
@@ -82,4 +82,7 @@ class Crawlers::CoursesCrawlerController < Crawlers::TissCrawlerController
     redirect_back(fallback_location: search)
   end
 
+  def add_annotation
+  end
+
 end
diff --git a/app/controllers/crawlers/projects_crawler_controller.rb b/app/controllers/crawlers/projects_crawler_controller.rb
index 605efe2..aa087fb 100644
--- a/app/controllers/crawlers/projects_crawler_controller.rb
+++ b/app/controllers/crawlers/projects_crawler_controller.rb
@@ -46,4 +46,7 @@ class Crawlers::ProjectsCrawlerController < Crawlers::TissCrawlerController
     end
     redirect_back(fallback_location: search)
   end
+
+  def add_annotation
+  end
 end
diff --git a/app/controllers/crawlers/theses_crawler_controller.rb b/app/controllers/crawlers/theses_crawler_controller.rb
index 711b1a0..3bd5ce8 100644
--- a/app/controllers/crawlers/theses_crawler_controller.rb
+++ b/app/controllers/crawlers/theses_crawler_controller.rb
@@ -46,4 +46,7 @@ class Crawlers::ThesesCrawlerController < Crawlers::TissCrawlerController
     end
     redirect_back(fallback_location: search)
   end
+
+  def add_annotation
+  end
 end
diff --git a/app/controllers/crawlers/tiss_crawler_controller.rb b/app/controllers/crawlers/tiss_crawler_controller.rb
index aae78e3..dcf54f4 100644
--- a/app/controllers/crawlers/tiss_crawler_controller.rb
+++ b/app/controllers/crawlers/tiss_crawler_controller.rb
@@ -34,4 +34,7 @@ class Crawlers::TissCrawlerController < ApplicationController
   def add_to_fav
   end
 
+  def add_annotation
+  end
+
 end
diff --git a/config/routes.rb b/config/routes.rb
index 5469c54..8f7d967 100644
--- a/config/routes.rb
+++ b/config/routes.rb
@@ -13,6 +13,7 @@ Rails.application.routes.draw do
       post 'show_detail'
       get 'add_to_fav'
       post 'add_to_fav'
+      post 'add_annotation'
     end
 
     namespace :courses_crawler do
@@ -21,6 +22,7 @@ Rails.application.routes.draw do
       post 'show_detail'
       get 'add_to_fav'
       post 'add_to_fav'
+      post 'add_annotation'
     end
 
     namespace :theses_crawler do
@@ -29,6 +31,7 @@ Rails.application.routes.draw do
       post 'show_detail'
       get 'add_to_fav'
       post 'add_to_fav'
+      post 'add_annotation'
     end
 
     namespace :projects_crawler do
@@ -37,6 +40,7 @@ Rails.application.routes.draw do
       post 'show_detail'
       get 'add_to_fav'
       post 'add_to_fav'
+      post 'add_annotation'
     end
   end