diff --git a/README.md b/README.md
index 8ea2d9d..25149d6 100644
--- a/README.md
+++ b/README.md
@@ -1,4 +1,4 @@
-#how to use?
+#how to use Event?
 ```php
 // varialbe outside of the closure bellow
 $message = 'test Message';
@@ -18,3 +18,46 @@ if ($oEvent->hasEvent('test')) {
     $oEvent->emit('test', array('1', '2'));
 }
 ```
+
+#how to use Application?
+```php
+use \Sandbox\Application as TestApplication;
+
+$app = new TestApplication();
+$app->on('create', function ($a) use ($message) {
+    echo $a . ' ' . $message . '<br>';
+});
+
+$app->on('retrieve', function ($a) use ($message) {
+    echo $a . ' ' . $message . '<br>';
+});
+
+$app->on('update', function ($a) use ($message) {
+    echo $a . ' ' . $message . '<br>';
+});
+
+$app->on('delete', function ($a) use ($message) {
+    echo $a . ' ' . $message . '<br>';
+});
+
+$app->on('debug', function ($message) {
+    error_reporting(E_ALL);
+    ini_set("display_errors", 1);
+
+    echo var_export($message, true) . '<br>';
+});
+
+$eventName = $app->getRequestEvent();
+$input = $app->getInputData();
+
+if (isset($input['debug']) && $app->hasEvent('debug')) {
+    $app->emit('debug', $input);
+}
+
+if ($app->hasEvent($eventName)) {
+    // 觸發事件
+    $message = var_export($input, true);
+    $app->emit($eventName, $message);
+}
+
+```