diff --git a/backend/assets/AppAsset.php b/backend/assets/AppAsset.php
new file mode 100755
index 0000000..6b1209f
--- /dev/null
+++ b/backend/assets/AppAsset.php
@@ -0,0 +1,26 @@
+<?php
+
+namespace backend\assets;
+
+use yii\web\AssetBundle;
+
+/**
+ * Main backend application asset bundle.
+ */
+class AppAsset extends AssetBundle
+{
+    public $basePath = '@webroot';
+    public $baseUrl = '@web';
+    public $css = [
+        'css/site.css',
+    ];
+    public $js = [
+        'js/common.js'
+    ];
+    public $depends = [
+        'yii\web\YiiAsset',
+        'yii\bootstrap\BootstrapAsset',
+        'yii\bootstrap\BootstrapPluginAsset',
+        'blobt\web\AdminlteAsset',
+    ];
+}
diff --git a/backend/config/.gitignore b/backend/config/.gitignore
new file mode 100644
index 0000000..7c090d2
--- /dev/null
+++ b/backend/config/.gitignore
@@ -0,0 +1,4 @@
+codeception-local.php
+main-local.php
+params-local.php
+test-local.php
diff --git a/backend/config/bootstrap.php b/backend/config/bootstrap.php
new file mode 100644
index 0000000..b3d9bbc
--- /dev/null
+++ b/backend/config/bootstrap.php
@@ -0,0 +1 @@
+<?php
diff --git a/backend/config/main.php b/backend/config/main.php
new file mode 100644
index 0000000..272465d
--- /dev/null
+++ b/backend/config/main.php
@@ -0,0 +1,46 @@
+<?php
+
+$params = array_merge(
+        require __DIR__ . '/../../common/config/params.php', require __DIR__ . '/../../common/config/params-local.php', require __DIR__ . '/params.php', require __DIR__ . '/params-local.php'
+);
+
+return [
+    'id' => 'backend',
+    'basePath' => dirname(__DIR__),
+    'controllerNamespace' => 'backend\controllers',
+    'bootstrap' => ['log'],
+    'modules' => [],
+    'components' => [
+        'request' => [
+            'csrfParam' => '_csrf-backend',
+        ],
+        'user' => [
+            'identityClass' => 'common\models\User',
+            'enableAutoLogin' => true,
+            'identityCookie' => ['name' => '_identity-backend', 'httpOnly' => true],
+        ],
+        'session' => [
+            // this is the name of the session cookie used for login on the app
+            'name' => 'backend',
+        ],
+        'log' => [
+            'traceLevel' => YII_DEBUG ? 3 : 0,
+            'targets' => [
+                [
+                    'class' => 'yii\log\FileTarget',
+                    'levels' => ['error', 'warning'],
+                ],
+            ],
+        ],
+        'errorHandler' => [
+            'errorAction' => 'site/error',
+        ],
+        'urlManager' => [
+            'enablePrettyUrl' => true,
+            'showScriptName' => false,
+            'rules' => [
+            ],
+        ],
+    ],
+    'params' => $params,
+];
diff --git a/backend/config/params.php b/backend/config/params.php
new file mode 100644
index 0000000..7f754b9
--- /dev/null
+++ b/backend/config/params.php
@@ -0,0 +1,4 @@
+<?php
+return [
+    'adminEmail' => 'admin@example.com',
+];
diff --git a/backend/controllers/SiteController.php b/backend/controllers/SiteController.php
new file mode 100755
index 0000000..f566346
--- /dev/null
+++ b/backend/controllers/SiteController.php
@@ -0,0 +1,112 @@
+<?php
+
+namespace backend\controllers;
+
+use Yii;
+use yii\web\Controller;
+use yii\filters\VerbFilter;
+use yii\filters\AccessControl;
+use common\models\LoginForm;
+use common\models\CategorySearch;
+
+/**
+ * Site controller
+ */
+class SiteController extends Controller {
+
+    /**
+     * {@inheritdoc}
+     */
+    public function behaviors() {
+        return [
+            'access' => [
+                'class' => AccessControl::className(),
+                'rules' => [
+                    [
+                        'actions' => ['login', 'error', 'test'],
+                        'allow' => true,
+                    ],
+                    [
+                        'actions' => ['logout', 'index'],
+                        'allow' => true,
+                        'roles' => ['@'],
+                    ],
+                ],
+            ],
+            'verbs' => [
+                'class' => VerbFilter::className(),
+                'actions' => [
+//                    'logout' => ['post'],
+                ],
+            ],
+        ];
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    public function actions() {
+        return [
+            'error' => [
+                'class' => 'yii\web\ErrorAction',
+            ],
+            'upload'=>[
+                'class'=>'iron\actions\UploadAction',
+            ]
+        ];
+    }
+
+    /**
+     * Displays homepage.
+     *
+     * @return string
+     */
+    public function actionIndex() {
+        return $this->render('index');
+    }
+
+    /**
+     * Login action.
+     *
+     * @return string
+     */
+    public function actionLogin() {
+
+        $this->layout = 'base';
+
+        if (!Yii::$app->user->isGuest) {
+            return $this->goHome();
+        }
+
+        $model = new LoginForm();
+        if ($model->load(Yii::$app->request->post()) && $model->login()) {
+            return $this->goBack();
+        } else {
+            $model->password = '';
+
+            return $this->render('login', [
+                        'model' => $model,
+            ]);
+        }
+    }
+
+    /**
+     * Logout action.
+     *
+     * @return string
+     */
+    public function actionLogout() {
+        Yii::$app->user->logout();
+
+        return $this->goHome();
+    }
+
+    public function actionTest() {
+        $searchModel = new CategorySearch();
+        return $this->render('test', [
+                    'name' => 'blobt',
+                    'model' => $searchModel
+        ]);
+    }
+
+}
diff --git a/backend/models/.gitkeep b/backend/models/.gitkeep
new file mode 100644
index 0000000..72e8ffc
--- /dev/null
+++ b/backend/models/.gitkeep
@@ -0,0 +1 @@
+*
diff --git a/backend/views/layouts/base.php b/backend/views/layouts/base.php
new file mode 100755
index 0000000..5d7aa88
--- /dev/null
+++ b/backend/views/layouts/base.php
@@ -0,0 +1,33 @@
+<?php
+/* @var $this \yii\web\View */
+/* @var $content string */
+
+use kcadmin\assets\AppAsset;
+use yii\helpers\Html;
+use yii\bootstrap\Nav;
+use yii\bootstrap\NavBar;
+use yii\widgets\Breadcrumbs;
+use common\widgets\Alert;
+
+AppAsset::register($this);
+?>
+<?php $this->beginPage() ?>
+<!DOCTYPE html>
+<html lang="<?= Yii::$app->language ?>">
+    <head>
+        <meta charset="<?= Yii::$app->charset ?>">
+        <meta http-equiv="X-UA-Compatible" content="IE=edge">
+        <meta name="viewport" content="width=device-width, initial-scale=1">
+        <?php $this->registerCsrfMetaTags() ?>
+        <title><?= Html::encode($this->title) ?></title>
+        <?php $this->head() ?>
+    </head>
+    <body>
+        <?php $this->beginBody() ?>
+
+        <?= $content ?>
+
+        <?php $this->endBody() ?>
+    </body>
+</html>
+<?php $this->endPage() ?>
diff --git a/backend/views/layouts/breadcrumb.php b/backend/views/layouts/breadcrumb.php
new file mode 100755
index 0000000..a159020
--- /dev/null
+++ b/backend/views/layouts/breadcrumb.php
@@ -0,0 +1,13 @@
+<?PHP
+
+use yii\widgets\Breadcrumbs;
+?>
+<?php if (!empty($this->title)): ?>
+    <h1><?= $this->title ?><?php if (isset($this->params['subtitle'])): ?><small><?= $this->params['subtitle'] ?></small><?php endif ?></h1>
+<?php endif ?>
+<?php
+echo Breadcrumbs::widget([
+    'tag' => 'ol',
+    'links' => isset($this->params['breadcrumbs']) ? $this->params['breadcrumbs'] : [],
+]);
+?>
\ No newline at end of file
diff --git a/backend/views/layouts/footer.php b/backend/views/layouts/footer.php
new file mode 100755
index 0000000..a0a801d
--- /dev/null
+++ b/backend/views/layouts/footer.php
@@ -0,0 +1,7 @@
+<footer class="main-footer">
+    <div class="pull-right hidden-xs">
+        <b>Version</b> 0.1.0
+    </div>
+    <strong>Copyright &copy; 2014-2019 <a href="https://kuaichuangkeji.com">KcAdmin</a>.</strong> All rights
+    reserved.
+</footer>
\ No newline at end of file
diff --git a/backend/views/layouts/header.php b/backend/views/layouts/header.php
new file mode 100755
index 0000000..2bbba81
--- /dev/null
+++ b/backend/views/layouts/header.php
@@ -0,0 +1,88 @@
+<?php
+
+use yii\helpers\Html;
+?>
+<header class="main-header">
+    <!-- Logo -->
+    <a href="/" class="logo">
+        <!-- mini logo for sidebar mini 50x50 pixels -->
+        <span class="logo-mini"><b>K</b>c</span>
+        <!-- logo for regular state and mobile devices -->
+        <span class="logo-lg"><b>KC</b>admin</span>
+    </a>
+    <!-- Header Navbar: style can be found in header.less -->
+    <nav class="navbar navbar-static-top">
+        <div class="navbar-menu">
+            <ul class="nav navbar-nav">
+                <li>
+                    <!-- Sidebar toggle button-->
+                    <a href="#" class="sidebar-toggle" data-toggle="push-menu" role="button">
+                        <span class="sr-only">Toggle navigation</span>
+                    </a>
+                </li>
+                <!-- TODO:后续处理 -->
+                <!--li class="user user-menu">
+                    <a href="#">
+                        <i class="fa fa-dashboard"></i>
+                        <span class="hidden-xs">面板</span>
+                    </a>
+                </li>
+                <li class="user user-menu">
+                    <a href="#">
+                        <i class="fa fa-shopping-cart"></i>
+                        <span class="hidden-xs">商城</span>
+                    </a>
+                </li>
+                <li class="user user-menu">
+                    <a href="#">
+                        <i class="fa fa-wechat"></i>
+                        <span class="hidden-xs">微信</span>
+                    </a>
+                </li>
+                <li class="user user-menu">
+                    <a href="#">
+                        <i class="fa fa-cubes"></i>
+                        <span class="hidden-xs">进销存</span>
+                    </a>
+                </li>
+                <li class="user user-menu">
+                    <a href="#">
+                        <i class="fa fa-cogs"></i>
+                        <span class="hidden-xs">系统</span>
+                    </a>
+                </li-->
+            </ul>
+        </div>
+        <div class="navbar-custom-menu">
+            <ul class="nav navbar-nav">
+                
+                <li class="dropdown user user-menu">
+                    <a href="#" class="dropdown-toggle" data-toggle="dropdown">
+                        <img src="/img/user2-160x160.jpg" class="user-image" alt="User Image">
+                        <span class="hidden-xs"><?= yii::$app->user->identity->username ?></span>
+                    </a>
+                    <ul class="dropdown-menu">
+                        <!-- User image -->
+                        <li class="user-header">
+                            <img src="/img/user2-160x160.jpg" class="img-circle" alt="User Image">
+
+                            <p>
+                                <?= yii::$app->user->identity->username ?>
+                                <small>Member since <?= date('m-d-Y', yii::$app->user->identity->created_at) ?></small>
+                            </p>
+                        </li>
+                        <!-- Menu Footer-->
+                        <li class="user-footer">
+                            <div class="pull-left">
+                                <?= Html::a('个人设置', ['/site/profile'], ['class' => 'btn btn-default btn-flat']) ?>
+                            </div>
+                            <div class="pull-right">
+                                <?= Html::a('退出', ['/site/logout'], ['data-method' => 'post', 'class' => 'btn btn-default btn-flat']) ?>
+                            </div>
+                        </li>
+                    </ul>
+                </li>
+            </ul>
+        </div>
+    </nav>
+</header>
\ No newline at end of file
diff --git a/backend/views/layouts/main.php b/backend/views/layouts/main.php
new file mode 100755
index 0000000..421217b
--- /dev/null
+++ b/backend/views/layouts/main.php
@@ -0,0 +1,45 @@
+<?php
+/* @var $this \yii\web\View */
+/* @var $content string */
+
+use kcadmin\assets\AppAsset;
+use yii\helpers\Html;
+use yii\bootstrap\Nav;
+use yii\bootstrap\NavBar;
+use yii\widgets\Breadcrumbs;
+
+AppAsset::register($this);
+?>
+<?php $this->beginPage() ?>
+<!DOCTYPE html>
+<html lang="<?= Yii::$app->language ?>">
+    <head>
+        <meta charset="<?= Yii::$app->charset ?>">
+        <meta http-equiv="X-UA-Compatible" content="IE=edge">
+        <meta content="width=device-width, initial-scale=1, maximum-scale=1, user-scalable=no" name="viewport">
+        <?php $this->registerCsrfMetaTags() ?>
+        <title><?= Html::encode($this->title) ?></title>
+        <?php $this->head() ?>
+    </head>
+    <body class="hold-transition skin-blue-light sidebar-mini">
+        <?php $this->beginBody() ?>
+        <div class="wrapper">
+            <?= $this->render('header') ?>
+
+            <?= $this->render('sidebar') ?>
+
+            <div class="content-wrapper">
+                <section class="content-header">
+                    <?= $this->render('breadcrumb') ?>
+                </section>
+                <section class="content">
+                    <?= $content ?>
+                </section>
+            </div>
+
+            <?= $this->render('footer') ?>
+        </div>
+        <?php $this->endBody() ?>
+    </body>
+</html>
+<?php $this->endPage() ?>
diff --git a/backend/views/layouts/sidebar.php b/backend/views/layouts/sidebar.php
new file mode 100755
index 0000000..a164ca5
--- /dev/null
+++ b/backend/views/layouts/sidebar.php
@@ -0,0 +1,27 @@
+<?php
+
+use blobt\widgets\Menu;
+?>
+<aside class="main-sidebar">
+    <!-- sidebar: style can be found in sidebar.less -->
+    <section class="sidebar">
+        <?php
+        echo Menu::widget([
+            'items' => [
+                ['label' => 'MAIN NAVIGATION', 'is_header' => true],
+                ['label' => 'IndexController', 'url' => '#', 'icon' => 'fa-hand-o-right', 'items' => [
+                        ['label' => 'Index', 'url' => ['site/index', 'tag' => 'new']],
+                        ['label' => 'Test', 'url' => ['site/test']],
+                    ]
+                ],
+                ['label' => 'Category', 'url' => '#', 'icon' => 'fa-barcode', 'items' => [
+                        ['label' => 'List', 'url' => ['category/index', 'tag' => 'new']],
+                        ['label' => 'Create', 'url' => ['category/create', 'tag' => 'popular']],
+                    ]
+                ]
+            ]
+        ]);
+        ?>
+    </section>
+    <!-- /.sidebar -->
+</aside>
\ No newline at end of file
diff --git a/backend/views/site/error.php b/backend/views/site/error.php
new file mode 100755
index 0000000..0ba2574
--- /dev/null
+++ b/backend/views/site/error.php
@@ -0,0 +1,27 @@
+<?php
+
+/* @var $this yii\web\View */
+/* @var $name string */
+/* @var $message string */
+/* @var $exception Exception */
+
+use yii\helpers\Html;
+
+$this->title = $name;
+?>
+<div class="site-error">
+
+    <h1><?= Html::encode($this->title) ?></h1>
+
+    <div class="alert alert-danger">
+        <?= nl2br(Html::encode($message)) ?>
+    </div>
+
+    <p>
+        The above error occurred while the Web server was processing your request.
+    </p>
+    <p>
+        Please contact us if you think this is a server error. Thank you.
+    </p>
+
+</div>
diff --git a/backend/views/site/index.php b/backend/views/site/index.php
new file mode 100755
index 0000000..21cb7e4
--- /dev/null
+++ b/backend/views/site/index.php
@@ -0,0 +1,6 @@
+<?php
+/* @var $this yii\web\View */
+$this->title = 'Dashboard';
+$this->params['subtitle'] = 'Control panel';
+$this->params['breadcrumbs'][] = $this->title;
+?>
\ No newline at end of file
diff --git a/backend/views/site/login.php b/backend/views/site/login.php
new file mode 100755
index 0000000..f7320ca
--- /dev/null
+++ b/backend/views/site/login.php
@@ -0,0 +1,34 @@
+<?php
+/* @var $this yii\web\View */
+/* @var $form yii\bootstrap\ActiveForm */
+/* @var $model \common\models\LoginForm */
+
+use yii\helpers\Html;
+use yii\bootstrap\ActiveForm;
+
+$this->title = '系统登录';
+$this->params['breadcrumbs'][] = $this->title;
+?>
+<div class="login-body">
+    <div class="login-form col-md-3 offset-md-4">
+        <h2><?= Html::encode($this->title) ?></h2>
+        <h6 class="login-tips font-small-3 line text-muted"><span>Login with Blobt Admin</span></h6>
+        <div class="row">
+            <div class="col-lg-12">
+                <?php $form = ActiveForm::begin(['id' => 'login-form']); ?>
+
+                <?= $form->field($model, 'username')->textInput(['autofocus' => true]) ?>
+
+                <?= $form->field($model, 'password')->passwordInput() ?>
+
+                <?= $form->field($model, 'rememberMe')->checkbox() ?>
+
+                <div class="form-group">
+                    <?= Html::submitButton('Login', ['class' => 'btn btn-primary btn-lg btn-block', 'name' => 'login-button']) ?>
+                </div>
+
+                <?php ActiveForm::end(); ?>
+            </div>
+        </div>
+    </div>
+</div>
\ No newline at end of file
diff --git a/backend/views/site/test.php b/backend/views/site/test.php
new file mode 100755
index 0000000..f9eebef
--- /dev/null
+++ b/backend/views/site/test.php
@@ -0,0 +1,68 @@
+<?PHP
+
+use yii\helpers\Html;
+use yii\widgets\ActiveForm;
+use blobt\widgets\DateRangePicker;
+
+$this->title = '测试';
+$this->params['subtitle'] = '这是一个小小的测试';
+$this->params['breadcrumbs'][] = $this->title;
+
+/* @var $this yii\web\View */
+/* @var $model common\models\CategorySearch */
+/* @var $form yii\widgets\ActiveForm */
+?>
+
+
+<?php
+$form = ActiveForm::begin([
+            'action' => ['index'],
+            'method' => 'get',
+            'validateOnType' => true,
+        ]);
+?>
+
+<div class="col-sm-11">
+    <div class="dataTables_filter">
+        <?=
+        $form->field($model, 'id', [
+            "template" => "{input}{error}",
+            "inputOptions" => [
+                "placeholder" => "检索的id",
+                "class" => "form-control"
+            ],
+            "errorOptions" => [
+                "class" => "error-tips"
+            ]
+        ])
+        ?>
+
+        <?=
+        $form->field($model, 'cat_name', [
+            "template" => "{input}{error}",
+            "inputOptions" => [
+                "placeholder" => "检索类名",
+                "class" => "form-control",
+            ],
+            "errorOptions" => [
+                "class" => "error-tips"
+            ]
+        ])
+        ?>
+
+        <?=
+        $form->field($model, "created_at", [
+            "template" => "{input}{error}",
+            "errorOptions" => [
+                "class" => "error-tips"
+            ]
+        ])->widget(DateRangePicker::className());
+        ?>
+    </div>
+</div>
+<div class="col-sm-1" style="padding: 0;">
+    <?= Html::submitButton('<i class="fa fa-filter"></i>', ['class' => 'btn btn-default']) ?>
+    <?= Html::resetButton('<i class="fa fa-eraser"></i>', ['class' => 'btn btn-default']) ?>
+</div>
+<?php ActiveForm::end(); ?>
+
diff --git a/backend/web/assets/.gitignore b/backend/web/assets/.gitignore
new file mode 100755
index 0000000..d6b7ef3
--- /dev/null
+++ b/backend/web/assets/.gitignore
@@ -0,0 +1,2 @@
+*
+!.gitignore
diff --git a/backend/web/css/reset.css b/backend/web/css/reset.css
new file mode 100644
index 0000000..9ff51eb
--- /dev/null
+++ b/backend/web/css/reset.css
@@ -0,0 +1,48 @@
+/* http://meyerweb.com/eric/tools/css/reset/ 
+   v2.0 | 20110126
+   License: none (public domain)
+*/
+
+html, body, div, span, applet, object, iframe,
+h1, h2, h3, h4, h5, h6, p, blockquote, pre,
+a, abbr, acronym, address, big, cite, code,
+del, dfn, em, img, ins, kbd, q, s, samp,
+small, strike, strong, sub, sup, tt, var,
+b, u, i, center,
+dl, dt, dd, ol, ul, li,
+fieldset, form, label, legend,
+table, caption, tbody, tfoot, thead, tr, th, td,
+article, aside, canvas, details, embed, 
+figure, figcaption, footer, header, hgroup, 
+menu, nav, output, ruby, section, summary,
+time, mark, audio, video {
+    margin: 0;
+    padding: 0;
+    border: 0;
+    font-size: 100%;
+    font: inherit;
+    vertical-align: baseline;
+}
+/* HTML5 display-role reset for older browsers */
+article, aside, details, figcaption, figure, 
+footer, header, hgroup, menu, nav, section {
+    display: block;
+}
+body {
+    line-height: 1;
+}
+ol, ul {
+    list-style: none;
+}
+blockquote, q {
+    quotes: none;
+}
+blockquote:before, blockquote:after,
+q:before, q:after {
+    content: '';
+    content: none;
+}
+table {
+    border-collapse: collapse;
+    border-spacing: 0;
+}
\ No newline at end of file
diff --git a/backend/web/css/site.css b/backend/web/css/site.css
new file mode 100644
index 0000000..23fa9ae
--- /dev/null
+++ b/backend/web/css/site.css
@@ -0,0 +1,52 @@
+/*公共样式*/
+
+/*登录页*/
+.login-body{
+    display: flex;
+    align-items: center;
+    height: 100vh;
+}
+
+.login-body .line {
+    border-bottom: 1px solid #dadada;
+    line-height: 0.1em;
+    margin: 10px 0 20px;
+}
+
+.login-body .line span {
+    background: #fff;
+    padding: 0 10px;
+}
+
+.login-form {
+    box-shadow: 0 8px 17px 0 rgba(0, 0, 0, 0.2), 0 6px 20px 0 rgba(0, 0, 0, 0.19);
+    margin: 0 auto;
+}
+
+.login-form h2{
+    text-align: center;
+    margin-bottom: 20px;
+}
+
+.login-form h6 {
+    text-align: center;
+}
+
+/*修复select2插件 from表框颜色不生效*/
+.form-group.has-error .select2-selection, .form-group.has-error .select2-selection {
+    border-color: #dd4b39;
+    box-shadow: none;
+}
+
+.form-group.has-success .select2-selection, .form-group.has-success .select2-selection {
+    border-color: #00a65a;
+    box-shadow: none;
+}
+
+.icheck-label-group {
+    padding-top: 2px;
+}
+
+.icheck-label-group label{
+    margin-right: 20px;
+}
\ No newline at end of file
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diff --git a/backend/web/index.php b/backend/web/index.php
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--- /dev/null
+++ b/backend/web/index.php
@@ -0,0 +1,20 @@
+<?php
+
+defined('YII_DEBUG') or define('YII_DEBUG', true);
+defined('YII_ENV') or define('YII_ENV', 'dev');
+
+require __DIR__ . '/../../vendor/autoload.php';
+require __DIR__ . '/../../vendor/yiisoft/yii2/Yii.php';
+require __DIR__ . '/../../common/config/bootstrap.php';
+require __DIR__ . '/../config/bootstrap.php';
+
+$config = yii\helpers\ArrayHelper::merge(
+    require __DIR__ . '/../../common/config/main.php',
+    require __DIR__ . '/../../common/config/main-local.php',
+    require __DIR__ . '/../config/main.php',
+    require __DIR__ . '/../config/main-local.php'
+);
+
+(new yii\web\Application($config))->run();
+
+
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