diff --git a/app/controllers/admin/activities_controller.rb b/app/controllers/admin/activities_controller.rb
index 5da8ae8..a43178e 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, :update]
+  before_action :set_activity, only: [:edit, :update, :destroy]
   #before_action :set_plugin
 
   #before_action :need_access_right
@@ -41,6 +41,15 @@ class Admin::ActivitiesController < OrbitMemberController
     redirect_to params['referer_url']
   end
 
+  def destroy
+    @activity.destroy
+    respond_to do |format|
+      format.html { redirect_to(admin_activities_url) }
+      format.js
+      format.json { render json: { "success" => true } }
+    end
+  end
+
   private
 
   def set_activity
diff --git a/app/views/admin/activities/destroy.js.erb b/app/views/admin/activities/destroy.js.erb
new file mode 100644
index 0000000..8e8536e
--- /dev/null
+++ b/app/views/admin/activities/destroy.js.erb
@@ -0,0 +1 @@
+$("#<%= dom_id @activity %>").remove();