diff --git a/app/controllers/calendars_controller.rb b/app/controllers/calendars_controller.rb
index 244bed0..ffb6ccf 100644
--- a/app/controllers/calendars_controller.rb
+++ b/app/controllers/calendars_controller.rb
@@ -68,6 +68,9 @@ class CalendarsController < ApplicationController
         subpartid = params[:subpart_id]
         page = Page.where(page_id: subpartid).first
         calendar_types = page.categories
+        if calendar_types.include?('all')
+          calendar_types = []
+        end
       else
         calendar_types = []
       end
diff --git a/config/locales/en.yml b/config/locales/en.yml
index 6a5edfe..71ceff9 100644
--- a/config/locales/en.yml
+++ b/config/locales/en.yml
@@ -9,6 +9,7 @@ en:
      save: Save
      select_calendar: "Select Calendar"
      categories: Categories
+     categories_management: Categories Management
      new_category: New Category
      all_day: All Day
      note: Note
diff --git a/config/locales/zh_tw.yml b/config/locales/zh_tw.yml
index 3e097b2..7c94ede 100644
--- a/config/locales/zh_tw.yml
+++ b/config/locales/zh_tw.yml
@@ -8,6 +8,7 @@ zh_tw:
      save: 儲存
      select_calendar: 選取行事曆
      categories: 類別
+     categories_management: 類別管理
      all_day: 全天
      note: 註記
      repeats: 重複
diff --git a/lib/calendar/engine.rb b/lib/calendar/engine.rb
index f709fd9..4346a00 100644
--- a/lib/calendar/engine.rb
+++ b/lib/calendar/engine.rb
@@ -7,7 +7,7 @@ module Calendar
         widget_methods ["widget"]
         widget_settings [{"override_category_with"=>"calendar_type","multiselect"=>true,"display_field"=>"title"}]
         taggable "Event"
-        categorizable
+        # categorizable
         authorizable
         frontend_enabled
         data_count 1..10
@@ -23,7 +23,7 @@ module Calendar
                                 :priority=>1,
                                 :active_for_action=>{'admin/calendars'=>'index'},
                                 :available_for => 'users'
-          context_link 'new_', 
+          context_link 'calendar.categories_management',
                                 :link_path=>"admin_calendar_types_path" ,
                                 :priority=>2,
                                 :active_for_action=>{'admin/calendar_types'=>'index'},