update readme

Author: inhere

README.md

@@ -44,15 +44,15 @@ git clone https://github.com/inhere/php-console.git // github
 ```php
 use Inhere\Console\IO\Input;
 use Inhere\Console\IO\Output;
-use Inhere\Console\App;
+use Inhere\Console\Application;
 
 $meta = [
     'name' => 'My Console App',
     'version' => '1.0.2',
 ];
 $input = new Input;
 $output = new Output;
-$app = new App($meta, $input, $output);
+$app = new Application($meta, $input, $output);
 
 // add command routes
 $app->command('demo', function (Input $in, Output $out) {

README_zh.md

@@ -49,15 +49,15 @@ git clone https://github.com/inhere/php-console.git // github
 // file: examples/app
 use Inhere\Console\IO\Input;
 use Inhere\Console\IO\Output;
-use Inhere\Console\App;
+use Inhere\Console\Application;
 
 $meta = [
     'name' => 'My Console App',
     'version' => '1.0.2',
 ];
 $input = new Input;
 $output = new Output;
-$app = new App($meta, $input, $output);
+$app = new Application($meta, $input, $output);
 
 // add command routes
 $app->command('demo', function (Input $in, Output $out) {

examples/DemoCommand.php

@@ -10,6 +10,7 @@
 
 use Inhere\Console\Command;
 use Inhere\Console\IO\Input;
+use Inhere\Console\IO\Output;
 
 /**
  * Class DemoCommand
@@ -36,6 +37,9 @@ protected function configure()
 
     /**
      * description text by annotation. it is invalid when configure() is exists
+     * @param  Input $input
+     * @param  Output $output
+     * @return int|void
      */
     public function execute($input, $output)
     {