diff --git a/20181018/twitter/laravel-base/app/Providers/TwitterServiceProvider.php b/20181018/twitter/laravel-base/app/Providers/TwitterServiceProvider.php
new file mode 100644
index 0000000..7bf390f
--- /dev/null
+++ b/20181018/twitter/laravel-base/app/Providers/TwitterServiceProvider.php
@@ -0,0 +1,36 @@
+<?php
+
+namespace App\Providers;
+
+use Abraham\TwitterOAuth\TwitterOAuth;
+use Illuminate\Support\ServiceProvider;
+
+class TwitterServiceProvider extends ServiceProvider
+{
+    /**
+     * Bootstrap services.
+     *
+     * @return void
+     */
+    public function boot()
+    {
+        //
+    }
+
+    /**
+     * Register services.
+     *
+     * @return void
+     */
+    public function register()
+    {
+        $this->app->singleton('Twitter', function () {
+            return new TwitterOAuth(
+                config('services.twitter.consumer.key'),
+                config('services.twitter.consumer.secret'),
+                config('services.twitter.access.token'),
+                config('services.twitter.access.secret')
+            );
+        });
+    }
+}
diff --git a/20181018/twitter/laravel-base/config/app.php b/20181018/twitter/laravel-base/config/app.php
index 01081dc..403ef37 100644
--- a/20181018/twitter/laravel-base/config/app.php
+++ b/20181018/twitter/laravel-base/config/app.php
@@ -172,6 +172,7 @@
         // App\Providers\BroadcastServiceProvider::class,
         App\Providers\EventServiceProvider::class,
         App\Providers\RouteServiceProvider::class,
+        App\Providers\TwitterServiceProvider::class,
 
     ],