diff --git a/README.md b/README.md
index 8a1b410a..75f2f20c 100644
--- a/README.md
+++ b/README.md
@@ -71,12 +71,14 @@ www  WEB部署目录（或者子目录）
 │  ├─mode               应用模式目录
 │  ├─tpl                系统模板目录
 │  ├─tests              单元测试文件目录
-│  ├─vendor             第三方类库目录
 │  ├─base.php           基础定义文件
 │  ├─convention.php     框架惯例配置文件
 │  ├─helper.php         助手函数文件
 │  ├─phpunit.xml        phpunit配置文件
 │  └─start.php          框架入口文件
+│
+├─extend                扩展类库目录
+├─vendor                第三方类库目录（Composer依赖库）
 ~~~
 
 > router.php用于php自带webserver支持，可用于快速测试
diff --git a/base.php b/base.php
index 4638313c..db918e7f 100644
--- a/base.php
+++ b/base.php
@@ -17,20 +17,20 @@ define('THINK_VERSION', '5.0.0 RC2');
 // 系统常量
 defined('DS') or define('DS', DIRECTORY_SEPARATOR);
 defined('THINK_PATH') or define('THINK_PATH', dirname(__FILE__) . DS);
+defined('APP_PATH') or define('APP_PATH', dirname($_SERVER['SCRIPT_FILENAME']) . DS);
+defined('ROOT_PATH') or define('ROOT_PATH', dirname(APP_PATH) . DS);
 defined('LIB_PATH') or define('LIB_PATH', THINK_PATH . 'library' . DS);
-defined('EXTEND_PATH') or define('EXTEND_PATH', THINK_PATH . 'extend' . DS);
+defined('EXTEND_PATH') or define('EXTEND_PATH', ROOT_PATH . 'extend' . DS);
 defined('MODE_PATH') or define('MODE_PATH', THINK_PATH . 'mode' . DS); // 系统应用模式目录
 defined('CORE_PATH') or define('CORE_PATH', LIB_PATH . 'think' . DS);
 defined('TRAIT_PATH') or define('TRAIT_PATH', LIB_PATH . 'traits' . DS);
-defined('APP_PATH') or define('APP_PATH', dirname($_SERVER['SCRIPT_FILENAME']) . DS);
-defined('ROOT_PATH') or define('ROOT_PATH', dirname(APP_PATH) . DS);
 defined('APP_NAMESPACE') or define('APP_NAMESPACE', 'app');
 defined('COMMON_MODULE') or define('COMMON_MODULE', 'common');
 defined('RUNTIME_PATH') or define('RUNTIME_PATH', ROOT_PATH . 'runtime' . DS);
 defined('LOG_PATH') or define('LOG_PATH', RUNTIME_PATH . 'log' . DS);
 defined('CACHE_PATH') or define('CACHE_PATH', RUNTIME_PATH . 'cache' . DS);
 defined('TEMP_PATH') or define('TEMP_PATH', RUNTIME_PATH . 'temp' . DS);
-defined('VENDOR_PATH') or define('VENDOR_PATH', THINK_PATH . 'vendor' . DS);
+defined('VENDOR_PATH') or define('VENDOR_PATH', ROOT_PATH . 'vendor' . DS);
 defined('EXT') or define('EXT', '.php');
 defined('MODEL_LAYER') or define('MODEL_LAYER', 'model');
 defined('VIEW_LAYER') or define('VIEW_LAYER', 'view');
diff --git a/composer.json b/composer.json
index 1e330ebe..6a23e52a 100644
--- a/composer.json
+++ b/composer.json
@@ -1,8 +1,12 @@
 {
     "name": "topthink/framework",
     "description": "the new thinkphp framework",
-    "type": "thinkphp-framework",
-    "keywords": ["framework", "thinkphp", "ORM"],
+    "type": "think-framework",
+    "keywords": [
+        "framework",
+        "thinkphp",
+        "ORM"
+    ],
     "homepage": "http://thinkphp.cn/",
     "license": "Apache-2.0",
     "authors": [
@@ -12,7 +16,8 @@
         }
     ],
     "require": {
-        "php": ">=5.4.0"
+        "php": ">=5.4.0",
+        "topthink/think-installer": "*"
     },
     "require-dev": {
         "johnkary/phpunit-speedtrap": "^1.0",
@@ -21,5 +26,6 @@
         "phpunit/phpunit": "4.8.*",
         "sebastian/phpcpd": "*",
         "squizlabs/php_codesniffer": "2.*"
-    }
+    },
+    "minimum-stability": "dev"
 }
diff --git a/extend/.gitignore b/extend/.gitignore
deleted file mode 100644
index c96a04f0..00000000
--- a/extend/.gitignore
+++ /dev/null
@@ -1,2 +0,0 @@
-*
-!.gitignore
\ No newline at end of file
diff --git a/mode/console.php b/mode/console.php
index fcb3cb0d..a4aff296 100644
--- a/mode/console.php
+++ b/mode/console.php
@@ -23,7 +23,8 @@ return [
     ],
     // 别名定义
     'alias'     => [
-        'think\Error' => MODE_PATH . 'console/Error' . EXT,
+        'think\App'   => MODE_PATH . 'console/App' . EXT,
+        'think\Error' => MODE_PATH . 'console/Error' . EXT
     ],
     // 配置文件
     'config'    => [
diff --git a/mode/console/App.php b/mode/console/App.php
new file mode 100644
index 00000000..4c1c13fe
--- /dev/null
+++ b/mode/console/App.php
@@ -0,0 +1,43 @@
+<?php
+// +----------------------------------------------------------------------
+// | ThinkPHP [ WE CAN DO IT JUST THINK ]
+// +----------------------------------------------------------------------
+// | Copyright (c) 2006-2015 http://thinkphp.cn All rights reserved.
+// +----------------------------------------------------------------------
+// | Licensed ( http://www.apache.org/licenses/LICENSE-2.0 )
+// +----------------------------------------------------------------------
+// | Author: yunwuxin <448901948@qq.com>
+// +----------------------------------------------------------------------
+
+namespace think;
+
+
+use think\Console;
+
+class App
+{
+    /**
+     * 执行应用程序
+     * @access public
+     * @return void
+     */
+    public static function run()
+    {
+        // 实例化console
+        $console = new Console('Think Console', '0.1');
+        // 读取指令集
+        if (is_file(APP_PATH . 'command' . EXT)) {
+            $commands = include APP_PATH . 'command' . EXT;
+            if (is_array($commands)) {
+                foreach ($commands as $command) {
+                    if (class_exists($command) && is_subclass_of($command, "\\think\\console\\command\\Command")) {
+                        // 注册指令
+                        $console->add(new $command());
+                    }
+                }
+            }
+        }
+        // 运行
+        $console->run();
+    }
+}
\ No newline at end of file
diff --git a/vendor/.gitignore b/vendor/.gitignore
deleted file mode 100644
index c96a04f0..00000000
--- a/vendor/.gitignore
+++ /dev/null
@@ -1,2 +0,0 @@
-*
-!.gitignore
\ No newline at end of file