diff --git a/.github/workflows/php.yml b/.github/workflows/php.yml
index f5e2ecb..b17230e 100644
--- a/.github/workflows/php.yml
+++ b/.github/workflows/php.yml
@@ -10,12 +10,17 @@ jobs:
   build:
 
     runs-on: ubuntu-latest
+    strategy:
+      fail-fast: true
+      matrix:
+        php: ['7.0', '7.1', '7.2', '7.3', '7.4']
 
     steps:
     - uses: actions/checkout@v2
 
-    - name: install
-      run: composer install
+    - name: Set up
+      uses: nanasess/setup-php@master
+    - run: composer install --prefer-dist --no-progress --no-suggest
 
-    - name: test
+    - name: Test
       run: composer test && composer cs
diff --git a/.gitignore b/.gitignore
index c5bfe86..cc49f99 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,3 +1,4 @@
 /vendor
 
-composer.lock
\ No newline at end of file
+composer.lock
+.phpunit*
\ No newline at end of file
diff --git a/README.md b/README.md
new file mode 100644
index 0000000..ea87451
--- /dev/null
+++ b/README.md
@@ -0,0 +1,61 @@
+## Laravel Notifications for LINE Notify  ![Build Status](https://github.com/moririnson/laravel-line-notify/workflows/PHP%20Composer/badge.svg)
+
+#### Requirement
+
+- PHP 7.0+
+- Laravel 5.3+
+
+#### Installation
+
+```bash
+composer require moririnson/laravel-line-notify
+```
+
+#### Usage
+
+```php
+/**
+* @return string token
+*/
+public function routeNotificationForLINE()
+{
+    return 'ACCESS_TOKEN_HERE';
+}
+```
+
+```php
+
+use Illuminate\Notifications\Notification;
+use Moririnson\LINENotify\Channels\LINENotifyChannel;
+use Moririnson\LINENotify\Messages\LINENotifyMessage;
+
+class LineNotify extends Notification
+{
+    private $message;
+
+    public function __construct($message)
+    {
+    	$this->message = $message;    
+    }
+
+    public function via($notifiable)
+    {
+        return [LINENotifyChannel::class]
+    }
+
+    public function toLINE($notifiable)
+    {
+        return (new LINENotifyMessage())->message($this->message);
+    }
+}
+```
+
+#### Testing
+
+```bash
+composer test
+```
+
+#### License
+
+The MIT License (MIT), Please see [License File](./LICENSE.md) for more information.
\ No newline at end of file
diff --git a/composer.json b/composer.json
index 7d1c1ec..c91abf7 100644
--- a/composer.json
+++ b/composer.json
@@ -10,25 +10,24 @@
         }
     ],
     "require": {
-    	"php": ">=5.6.4",
-    	"guzzlehttp/guzzle": "~6.0",
-    	"illuminate/notifications": "5.3.*|5.4.*|5.5.*"
+    	"php": ">=7.0",
+    	"guzzlehttp/guzzle": ">=6.0",
+    	"illuminate/notifications": ">=6.0"
     },
     "require-dev": {
-        "mockery/mockery": "^0.9.5",
-        "phpunit/phpunit": "4.*|~6.0",
-        "orchestra/testbench": "3.3.x-dev|^3.5.0",
-        "orchestra/database": "3.3.x-dev|^3.5.0",
+        "mockery/mockery": "*",
+        "phpunit/phpunit": ">=6.0",
+        "orchestra/testbench": ">=4.0",
         "squizlabs/php_codesniffer": "3.*"
     },
     "autoload": {
     	"psr-4": {
-    		"Moririnson\\LineNotify\\": "src"
+            "Moririnson\\LINENotify\\": "src"
     	}
     },
     "autoload-dev": {
     	"psr-4": {
-			"Moririnson\\LineNotify\\Tests\\": "tests"
+            "Moririnson\\LINENotify\\Tests\\": "tests"
     	}
     },
     "scripts": {
diff --git a/tests/Channels/LINENotifyChannelTest.php b/tests/Channels/LINENotifyChannelTest.php
index 0772809..58f8cfc 100644
--- a/tests/Channels/LINENotifyChannelTest.php
+++ b/tests/Channels/LINENotifyChannelTest.php
@@ -1,11 +1,10 @@
 <?php
 
-namespace Moririnson\LineNotify\Test;
+namespace Moririnson\LINENotify\Tests\Channels;
 
-use Moririnson\LINENotify\LINENotifyException;
-use Moririnson\LineNotify\Channels\LINENotifyChannel;
-use Moririnson\LineNotify\Tests\Mock\TestNotifiable;
-use Moririnson\LineNotify\Tests\Mock\TestNotification;
+use Moririnson\LINENotify\Channels\LINENotifyChannel;
+use Moririnson\LINENotify\Tests\Mock\TestNotifiable;
+use Moririnson\LINENotify\Tests\Mock\TestNotification;
 use GuzzleHttp\Client;
 use GuzzleHttp\Psr7\Response;
 use Mockery;
@@ -15,7 +14,7 @@ class LINENotifyChannelTest extends TestCase
 {
     private $client;
 
-    public function setUp()
+    protected function setUp(): void
     {
         parent::setUp();
         $this->client = Mockery::mock(Client::class);
diff --git a/tests/Messages/LINENotifyMessageTest.php b/tests/Messages/LINENotifyMessageTest.php
index bfd348d..712b3ef 100644
--- a/tests/Messages/LINENotifyMessageTest.php
+++ b/tests/Messages/LINENotifyMessageTest.php
@@ -1,8 +1,8 @@
 <?php
 
-namespace Moririnson\LineNotify\Test;
+namespace Moririnson\LINENotify\Tests\Messages;
 
-use Moririnson\LineNotify\Messages\LineNotifyMessage;
+use Moririnson\LINENotify\Messages\LINENotifyMessage;
 use Orchestra\Testbench\TestCase;
 
 class LineMessageTest extends TestCase
@@ -10,10 +10,10 @@ class LineMessageTest extends TestCase
     public function testMessage()
     {
         $expected = 'test';
-        $message = (new LineNotifyMessage())->message($expected);
+        $message = (new LINENotifyMessage())->message($expected);
         $this->assertEquals($expected, $message->message);
 
-        $this->message = new LineNotifyMessage($expected);
+        $this->message = new LINENotifyMessage($expected);
         $this->assertEquals($expected, $message->message);
     }
 }
diff --git a/tests/Mock/TestNotifiable.php b/tests/Mock/TestNotifiable.php
index 5d2ab96..9da2f63 100644
--- a/tests/Mock/TestNotifiable.php
+++ b/tests/Mock/TestNotifiable.php
@@ -1,6 +1,6 @@
 <?php
 
-namespace Moririnson\LineNotify\Tests\Mock;
+namespace Moririnson\LINENotify\Tests\Mock;
 
 use Illuminate\Notifications\Notifiable;
 
diff --git a/tests/Mock/TestNotification.php b/tests/Mock/TestNotification.php
index e93d6e7..450ea01 100644
--- a/tests/Mock/TestNotification.php
+++ b/tests/Mock/TestNotification.php
@@ -1,8 +1,8 @@
 <?php
 
-namespace Moririnson\LineNotify\Tests\Mock;
+namespace Moririnson\LINENotify\Tests\Mock;
 
-use Moririnson\LineNotify\Messages\LineNotifyMessage;
+use Moririnson\LINENotify\Messages\LINENotifyMessage;
 use Illuminate\Notifications\Notification;
 
 class TestNotification extends Notification
@@ -50,11 +50,11 @@ public function __construct(
      * Notification with LINE Notify.
      *
      * @param mixed $notifiable
-     * @return \Moririnson\LineNotify\Messages\LineNotifyMessage
+     * @return \Moririnson\LineNotify\Messages\LINENotifyMessage
      */
     public function toLINE($notifiable)
     {
-        return (new LineNotifyMessage())
+        return (new LINENotifyMessage())
             ->message($this->message)
             ->imageThumbnail($this->image_thumbnail)
             ->imageFullsize($this->image_fullsize)