diff --git a/src/Contract/InputInterface.php b/src/Contract/InputInterface.php
index 099a328..1f24a44 100644
--- a/src/Contract/InputInterface.php
+++ b/src/Contract/InputInterface.php
@@ -40,4 +40,9 @@ public function getCommand(): string;
      * Whether the stream is an interactive terminal
      */
     public function isInteractive(): bool;
+
+    /**
+     * @return string
+     */
+    public function toString(): string;
 }
diff --git a/src/IO/AbstractInput.php b/src/IO/AbstractInput.php
index a526c43..df1f421 100644
--- a/src/IO/AbstractInput.php
+++ b/src/IO/AbstractInput.php
@@ -10,14 +10,17 @@
 namespace Inhere\Console\IO;
 
 use Inhere\Console\Contract\InputInterface;
+use Toolkit\Cli\Helper\FlagHelper;
 use Toolkit\PFlag\FlagsParser;
 use Toolkit\PFlag\SFlags;
+use function array_map;
 use function array_shift;
 use function basename;
 use function getcwd;
 use function implode;
 use function is_int;
 use function is_string;
+use function preg_match;
 use function trim;
 
 /**
@@ -111,7 +114,33 @@ public function __toString(): string
     /**
      * @return string
      */
-    abstract public function toString(): string;
+    public function toString(): string
+    {
+        if (!$this->tokens) {
+            return '';
+        }
+
+        $tokens = array_map([$this, 'tokenEscape'], $this->tokens);
+        return implode(' ', $tokens);
+    }
+
+    /**
+     * @param string $token
+     *
+     * @return string
+     */
+    protected function tokenEscape(string $token): string
+    {
+        if (preg_match('{^(-[^=]+=)(.+)}', $token, $match)) {
+            return $match[1] . FlagHelper::escapeToken($match[2]);
+        }
+
+        if ($token && $token[0] !== '-') {
+            return FlagHelper::escapeToken($token);
+        }
+
+        return $token;
+    }
 
     /**
      * @param array $rawFlags
diff --git a/src/IO/Input.php b/src/IO/Input.php
index 0d7e90d..84f930f 100644
--- a/src/IO/Input.php
+++ b/src/IO/Input.php
@@ -9,21 +9,15 @@
 
 namespace Inhere\Console\IO;
 
+use Inhere\Console\IO\Input\StreamInput;
 use Toolkit\Cli\Cli;
-use Toolkit\Cli\Flags;
-use Toolkit\Cli\Helper\FlagHelper;
-use Toolkit\FsUtil\File;
-use function array_map;
-use function fwrite;
-use function implode;
-use function preg_match;
 
 /**
- * Class Input - The input information. by parse global var $argv.
+ * Class Input - The std input.
  *
  * @package Inhere\Console\IO
  */
-class Input extends AbstractInput
+class Input extends StreamInput
 {
     /**
      * The real command ID(group:command)
@@ -33,13 +27,6 @@ class Input extends AbstractInput
      */
     protected $commandId = '';
 
-    /**
-     * Default is STDIN
-     *
-     * @var resource
-     */
-    protected $stream;
-
     /**
      * Input constructor.
      *
@@ -51,63 +38,10 @@ public function __construct(array $args = null)
             $args = $_SERVER['argv'];
         }
 
-        $this->stream = Cli::getInputStream();
+        parent::__construct(Cli::getInputStream());
         $this->collectInfo($args);
     }
 
-    /**
-     * @return string
-     */
-    public function toString(): string
-    {
-        $tokens = array_map([$this, 'tokenEscape'], $this->tokens);
-
-        return implode(' ', $tokens);
-    }
-
-    /**
-     * @param string $token
-     *
-     * @return string
-     */
-    protected function tokenEscape(string $token): string
-    {
-        if (preg_match('{^(-[^=]+=)(.+)}', $token, $match)) {
-            return $match[1] . FlagHelper::escapeToken($match[2]);
-        }
-
-        if ($token && $token[0] !== '-') {
-            return FlagHelper::escapeToken($token);
-        }
-
-        return $token;
-    }
-
-    /**
-     * @return string
-     */
-    public function readAll(): string
-    {
-        return File::streamReadAll($this->stream);
-    }
-
-    /**
-     * Read input information
-     *
-     * @param string $question 若不为空，则先输出文本消息
-     * @param bool   $nl       true 会添加换行符 false 原样输出，不添加换行符
-     *
-     * @return string
-     */
-    public function readln(string $question = '', bool $nl = false): string
-    {
-        if ($question) {
-            fwrite($this->stream, $question . ($nl ? "\n" : ''));
-        }
-
-        return File::streamFgets($this->stream);
-    }
-
     /**
      * @return resource
      */
@@ -141,14 +75,6 @@ public function getFullCommand(): string
         return $this->scriptFile . ' ' . $this->getCommandPath();
     }
 
-    /**
-     * @return resource
-     */
-    public function getStream()
-    {
-        return $this->stream;
-    }
-
     /**
      * Get command ID e.g `http:start`
      *
diff --git a/src/IO/Input/AloneInput.php b/src/IO/Input/AloneInput.php
deleted file mode 100644
index db5d8fc..0000000
--- a/src/IO/Input/AloneInput.php
+++ /dev/null
@@ -1,33 +0,0 @@
-<?php declare(strict_types=1);
-/**
- * The file is part of inhere/console
- *
- * @author   https://github.com/inhere
- * @homepage https://github.com/inhere/php-console
- * @license  https://github.com/inhere/php-console/blob/master/LICENSE
- */
-
-namespace Inhere\Console\IO\Input;
-
-use Inhere\Console\IO\Input;
-use Toolkit\Cli\Flags;
-
-/**
- * Class AloneInput
- *
- * @package Inhere\Console\IO\Input
- */
-class AloneInput extends Input
-{
-    /**
-     * @param array $args
-     */
-    protected function doParse(array $args): void
-    {
-        [
-            $this->args,
-            $this->sOpts,
-            $this->lOpts
-        ] = Flags::parseArgv($args);
-    }
-}
diff --git a/src/IO/Input/ArrayInput.php b/src/IO/Input/ArrayInput.php
index 138b2da..8d372d3 100644
--- a/src/IO/Input/ArrayInput.php
+++ b/src/IO/Input/ArrayInput.php
@@ -11,6 +11,7 @@
 
 use Inhere\Console\IO\Input;
 use Toolkit\Cli\Flags;
+use function is_int;
 
 /**
  * Class ArrayInput
@@ -22,10 +23,19 @@ class ArrayInput extends Input
     /**
      * Input constructor.
      *
-     * @param null|array $args
+     * @param array $arr
      */
-    public function __construct(array $args = null)
+    public function __construct(array $arr = [])
     {
+        $args = [];
+        foreach ($arr as $key => $val) {
+            if (!is_int($key)) {
+                $args[] = $key;
+            }
+
+            $args[] = $val;
+        }
+
         parent::__construct($args);
     }
 }
diff --git a/src/IO/Input/StreamInput.php b/src/IO/Input/StreamInput.php
index 8f4c8f8..5e0e24c 100644
--- a/src/IO/Input/StreamInput.php
+++ b/src/IO/Input/StreamInput.php
@@ -39,11 +39,6 @@ public function __construct($stream = STDIN)
         $this->setStream($stream);
     }
 
-    public function toString(): string
-    {
-        return '';
-    }
-
     /**
      * @return string
      */
@@ -98,7 +93,7 @@ protected function setStream($stream): void
         File::assertStream($stream);
 
         $meta = stream_get_meta_data($stream);
-        if (strpos($meta['mode'], 'r') === false && strpos($meta['mode'], '+') === false) {
+        if (!str_contains($meta['mode'], 'r') && !str_contains($meta['mode'], '+')) {
             throw new InvalidArgumentException('Expected a readable stream');
         }
 
diff --git a/src/IO/Input/StringInput.php b/src/IO/Input/StringInput.php
index fad5d0b..ea777c1 100644
--- a/src/IO/Input/StringInput.php
+++ b/src/IO/Input/StringInput.php
@@ -10,7 +10,6 @@
 namespace Inhere\Console\IO\Input;
 
 use Inhere\Console\IO\Input;
-use Toolkit\Cli\Flags;
 use Toolkit\Cli\Util\LineParser;
 
 /**
@@ -28,6 +27,7 @@ class StringInput extends Input
     public function __construct(string $line)
     {
         $flags = LineParser::parseIt($line);
+
         parent::__construct($flags);
     }
 }
diff --git a/src/IO/Output.php b/src/IO/Output.php
index bcd18c8..9aabb7f 100644
--- a/src/IO/Output.php
+++ b/src/IO/Output.php
@@ -9,28 +9,21 @@
 
 namespace Inhere\Console\IO;
 
-use Toolkit\Cli\Style;
-use Inhere\Console\Console;
 use Inhere\Console\Concern\FormatOutputAwareTrait;
+use Inhere\Console\Console;
+use Inhere\Console\IO\Output\StreamOutput;
 use Toolkit\Cli\Cli;
-use Toolkit\FsUtil\File;
+use Toolkit\Cli\Style;
 
 /**
  * Class Output
  *
  * @package Inhere\Console\IO
  */
-class Output extends AbstractOutput
+class Output extends StreamOutput
 {
     use FormatOutputAwareTrait;
 
-    /**
-     * Normal output stream. Default is STDOUT
-     *
-     * @var resource
-     */
-    protected $outputStream;
-
     /**
      * Error output stream. Default is STDERR
      *
@@ -48,25 +41,14 @@ class Output extends AbstractOutput
 
     /**
      * Output constructor.
-     *
-     * @param null|resource $outputStream
      */
-    public function __construct($outputStream = null)
+    public function __construct()
     {
-        if ($outputStream) {
-            $this->outputStream = $outputStream;
-        } else {
-            $this->outputStream = Cli::getOutputStream();
-        }
+        parent::__construct(Cli::getOutputStream());
 
         $this->getStyle();
     }
 
-    public function resetOutputStream(): void
-    {
-        $this->outputStream = Cli::getOutputStream();
-    }
-
     /***************************************************************************
      * Output buffer
      ***************************************************************************/
@@ -90,14 +72,14 @@ public function clearBuffer(): void
     /**
      * stop buffering and flush buffer text
      *
-     * @param bool  $flush
-     * @param bool  $nl
-     * @param bool  $quit
+     * @param bool $flush
+     * @param bool $nl
+     * @param bool|int $quit
      * @param array $opts
      *
      * @see Console::stopBuffer()
      */
-    public function stopBuffer(bool $flush = true, $nl = false, $quit = false, array $opts = []): void
+    public function stopBuffer(bool $flush = true, bool $nl = false, $quit = false, array $opts = []): void
     {
         Console::stopBuffer($flush, $nl, $quit, $opts);
     }
@@ -105,8 +87,8 @@ public function stopBuffer(bool $flush = true, $nl = false, $quit = false, array
     /**
      * stop buffering and flush buffer text
      *
-     * @param bool  $nl
-     * @param bool  $quit
+     * @param bool $nl
+     * @param bool|int $quit
      * @param array $opts
      */
     public function flush(bool $nl = false, $quit = false, array $opts = []): void
@@ -122,7 +104,7 @@ public function flush(bool $nl = false, $quit = false, array $opts = []): void
      * Read input information
      *
      * @param string $question 若不为空，则先输出文本
-     * @param bool   $nl       true 会添加换行符 false 原样输出，不添加换行符
+     * @param bool $nl true 会添加换行符 false 原样输出，不添加换行符
      *
      * @return string
      */
@@ -132,17 +114,22 @@ public function read(string $question = '', bool $nl = false): string
     }
 
     /**
+     * Read input information
+     *
+     * @param string $question
+     * @param bool $nl
+     *
      * @return string
      */
-    public function readAll(): string
+    public function readln(string $question = '', bool $nl = false): string
     {
-        return File::streamReadAll($this->outputStream);
+        return Console::readln($question, $nl);
     }
 
     /**
      * Write a message to standard error output stream.
      *
-     * @param string  $text
+     * @param string $text
      * @param boolean $nl True (default) to append a new line at the end of the output string.
      *
      * @return int
@@ -183,7 +170,12 @@ public function supportColor(): bool
      */
     public function getOutputStream()
     {
-        return $this->outputStream;
+        return $this->stream;
+    }
+
+    public function resetOutputStream(): void
+    {
+        $this->stream = Cli::getOutputStream();
     }
 
     /**
@@ -195,8 +187,7 @@ public function getOutputStream()
      */
     public function setOutputStream($outStream): self
     {
-        $this->outputStream = $outStream;
-
+        $this->stream = $outStream;
         return $this;
     }
 
@@ -218,7 +209,6 @@ public function getErrorStream()
     public function setErrorStream($errorStream): self
     {
         $this->errorStream = $errorStream;
-
         return $this;
     }
 }
diff --git a/src/IO/Output/MemoryOutput.php b/src/IO/Output/MemoryOutput.php
index 1a197f2..ded3af0 100644
--- a/src/IO/Output/MemoryOutput.php
+++ b/src/IO/Output/MemoryOutput.php
@@ -23,6 +23,9 @@ public function __construct()
         parent::__construct(fopen('php://memory', 'rwb'));
     }
 
+    /**
+     * @return string
+     */
     public function getBuffer(): string
     {
         return '';
diff --git a/src/IO/Output/StreamOutput.php b/src/IO/Output/StreamOutput.php
index 36fdeee..2314371 100644
--- a/src/IO/Output/StreamOutput.php
+++ b/src/IO/Output/StreamOutput.php
@@ -25,6 +25,8 @@
 class StreamOutput extends AbstractOutput
 {
     /**
+     * Normal output stream. Default is STDOUT
+     *
      * @var resource
      */
     protected $stream;
@@ -75,7 +77,7 @@ protected function setStream($stream): void
         File::assertStream($stream);
 
         $meta = stream_get_meta_data($stream);
-        if (strpos($meta['mode'], 'w') === false && strpos($meta['mode'], '+') === false) {
+        if (!str_contains($meta['mode'], 'w') && !str_contains($meta['mode'], '+')) {
             throw new InvalidArgumentException('Expected a readable stream');
         }
 
diff --git a/src/IO/TempStream.php b/src/IO/TempStream.php
index cd7093e..e535bdd 100644
--- a/src/IO/TempStream.php
+++ b/src/IO/TempStream.php
@@ -66,7 +66,7 @@ public static function close(): void
     }
 
     /**
-     * @param string|int $string
+     * @param string|int|mixed $string
      */
     public static function write($string): void
     {
diff --git a/test/IO/InputTest.php b/test/IO/InputTest.php
index aab85a1..b647980 100644
--- a/test/IO/InputTest.php
+++ b/test/IO/InputTest.php
@@ -25,6 +25,8 @@ public function testBasic(): void
 
         $this->assertSame('./bin/app', $in->getScriptFile());
         $this->assertSame('app', $in->getScriptName());
-        $this->assertSame('cmd', $in->getCommand());
+        // $this->assertSame('cmd', $in->getCommand());
+        $this->assertEquals('cmd val0 val1', $in->getFullScript());
+        $this->assertEquals("'./bin/app' cmd val0 val1", $in->toString());
     }
 }