diff --git a/app/controllers/admin/activities_controller.rb b/app/controllers/admin/activities_controller.rb
index 2e85ac1..59047e1 100644
--- a/app/controllers/admin/activities_controller.rb
+++ b/app/controllers/admin/activities_controller.rb
@@ -2,7 +2,7 @@ class Admin::ActivitiesController < OrbitMemberController
   layout "member_plugin"
   #include Admin::PersonalActivitiesHelper
 
-  before_action :set_activity, only: [:edit]
+  before_action :set_activity, only: [:edit, :update]
   #before_action :set_plugin
 
   #before_action :need_access_right
@@ -19,6 +19,11 @@ class Admin::ActivitiesController < OrbitMemberController
   def edit
   end
 
+  def update
+    @activity.update_attributes(activity_params)
+    redirect_to params['referer_url']
+  end
+
   private
 
   def set_activity
@@ -32,4 +37,8 @@ class Admin::ActivitiesController < OrbitMemberController
     end
     @activity = Activity.find_by(:uid => uid) rescue Activity.find(params[:id])
   end
+
+  def activity_params
+    params.require(:activity).permit(:activity_name, :activity_organizer, :activity_area, :year, :activity_start_date, :activity_end_date, :note)
+  end
 end