diff --git a/app/controllers/live_links_controller.rb b/app/controllers/live_links_controller.rb
index 29233e37b..f4b49d4aa 100644
--- a/app/controllers/live_links_controller.rb
+++ b/app/controllers/live_links_controller.rb
@@ -2,7 +2,7 @@ class LiveLinksController < ApplicationController
   before_action :require_login
   before_action :find_course, only: [:index, :create]
   before_action :user_course_identity, :teacher_allowed, only: [:create]
-  before_action :edit_auth, only: [:edit, :update]
+  before_action :edit_auth, only: [:edit, :update, :destroy]
 
   def index
     lives = @course.live_links
@@ -34,8 +34,6 @@ class LiveLinksController < ApplicationController
         # 开启时发送消息，关闭直播时删除对应的消息
         if params[:on_status].to_i == 1
           LivePublishJob.perform_later(current_live.id)
-        else
-          current_live.tidings.destroy_all
         end
       end
     else
@@ -44,6 +42,11 @@ class LiveLinksController < ApplicationController
     render_ok
   end
 
+  def destroy
+    current_live.destroy!
+    render_ok
+  end
+
   private
 
   def create_params
diff --git a/config/routes.rb b/config/routes.rb
index f0c91e8f9..63a6e4494 100644
--- a/config/routes.rb
+++ b/config/routes.rb
@@ -550,7 +550,7 @@ Rails.application.routes.draw do
         end
       end
 
-      resources :live_links, only: [:index, :update, :create, :edit], shallow: true
+      resources :live_links, only: [:index, :update, :create, :edit, :destroy], shallow: true
 
       resources :homework_commons, shallow: true do