diff --git a/app/Http/Home/Views/partials/footer.volt b/app/Http/Home/Views/partials/footer.volt
index 0091c574..ddd34157 100644
--- a/app/Http/Home/Views/partials/footer.volt
+++ b/app/Http/Home/Views/partials/footer.volt
@@ -38,11 +38,11 @@
             {% endif %}
             {% if contact_info.weibo %}
                 {% set link_url = 'https://weibo.com/u/%s'|format(contact_info.weibo) %}
-                <a class="weibo" href="{{ link_url }}" title="微博主页"><span class="iconfont icon-weibo"></span></a>
+                <a class="weibo" href="{{ link_url }}" title="微博主页" target="_blank"><span class="iconfont icon-weibo"></span></a>
             {% endif %}
             {% if contact_info.zhihu %}
                 {% set link_url = 'https://www.zhihu.com/people/%s'|format(contact_info.zhihu) %}
-                <a class="zhihu" href="{{ link_url }}" title="知乎主页"><span class="iconfont icon-zhihu"></span></a>
+                <a class="zhihu" href="{{ link_url }}" title="知乎主页" target="_blank"><span class="iconfont icon-zhihu"></span></a>
             {% endif %}
             {% if contact_info.email %}
                 {% set link_url = 'mailto:%s'|format(contact_info.email) %}
@@ -53,8 +53,8 @@
             {% endif %}
             {% if contact_info.address %}
                 {% set link_url = 'https://map.baidu.com/search/%s?querytype=s&wd=%s'|format(contact_info.address,contact_info.address) %}
-                <a class="location" href="{{ link_url }}" title="联系地址：{{ contact_info.address }}"><span class="iconfont icon-location"></span></a>
+                <a class="location" href="{{ link_url }}" title="联系地址：{{ contact_info.address }}" target="_blank"><span class="iconfont icon-location"></span></a>
             {% endif %}
         </div>
     {% endif %}
-</div>
\ No newline at end of file
+</div>
diff --git a/app/Library/CsrfToken.php b/app/Library/CsrfToken.php
index fe09c600..25fd24c8 100644
--- a/app/Library/CsrfToken.php
+++ b/app/Library/CsrfToken.php
@@ -70,9 +70,9 @@ class CsrfToken
          */
         $config = Di::getDefault()->getShared('config');
 
-        $lifetime = $config->path('csrf_token.lifetime') ?: $this->lifetime;
+        $lifetime = $config->path('csrf_token.lifetime', $this->lifetime);
 
         return $lifetime + time();
     }
 
-}
\ No newline at end of file
+}
diff --git a/app/Library/Logger.php b/app/Library/Logger.php
index 0b7cc17b..645d5719 100644
--- a/app/Library/Logger.php
+++ b/app/Library/Logger.php
@@ -19,15 +19,13 @@ class Logger
      * @param string $channel
      * @return FileLogger
      */
-    public function getInstance($channel = null)
+    public function getInstance($channel = 'common')
     {
         /**
          * @var Config $config
          */
         $config = Di::getDefault()->getShared('config');
 
-        $channel = $channel ? $channel : 'common';
-
         $filename = sprintf('%s-%s.log', $channel, date('Y-m-d'));
 
         $path = log_path($filename);
diff --git a/app/Services/Logic/Chapter/ChapterUserTrait.php b/app/Services/Logic/Chapter/ChapterUserTrait.php
index ff84fbee..6a30056f 100644
--- a/app/Services/Logic/Chapter/ChapterUserTrait.php
+++ b/app/Services/Logic/Chapter/ChapterUserTrait.php
@@ -9,7 +9,6 @@ namespace App\Services\Logic\Chapter;
 
 use App\Models\Chapter as ChapterModel;
 use App\Models\ChapterUser as ChapterUserModel;
-use App\Models\CourseUser as CourseUserModel;
 use App\Models\User as UserModel;
 use App\Repos\ChapterUser as ChapterUserRepo;
 
@@ -37,9 +36,6 @@ trait ChapterUserTrait
 
         $chapterUser = null;
 
-        /**
-         * @var CourseUserModel $courseUser
-         */
         $courseUser = $this->courseUser;
 
         if ($courseUser) {
diff --git a/bootstrap/ConsoleKernel.php b/bootstrap/ConsoleKernel.php
index d44470d0..63546f64 100644
--- a/bootstrap/ConsoleKernel.php
+++ b/bootstrap/ConsoleKernel.php
@@ -31,10 +31,9 @@ class ConsoleKernel extends Kernel
         $this->loader = new Loader();
 
         $this->initAppEnv();
-        $this->initAppConfig();
-        $this->initAppSetting();
         $this->registerLoaders();
         $this->registerServices();
+        $this->registerSettings();
         $this->registerErrorHandler();
     }
 
diff --git a/bootstrap/HttpKernel.php b/bootstrap/HttpKernel.php
index 06aa8ba4..7ab1a463 100644
--- a/bootstrap/HttpKernel.php
+++ b/bootstrap/HttpKernel.php
@@ -40,11 +40,10 @@ class HttpKernel extends Kernel
         $this->loader = new Loader();
 
         $this->initAppEnv();
-        $this->initAppConfig();
-        $this->initAppSetting();
         $this->registerLoaders();
         $this->registerServices();
         $this->registerModules();
+        $this->registerSettings();
         $this->registerErrorHandler();
     }
 
diff --git a/bootstrap/Kernel.php b/bootstrap/Kernel.php
index e4650f57..fe84b175 100644
--- a/bootstrap/Kernel.php
+++ b/bootstrap/Kernel.php
@@ -8,6 +8,7 @@
 namespace Bootstrap;
 
 use Phalcon\Application;
+use Phalcon\Config;
 use Phalcon\Di;
 use Phalcon\Loader;
 
@@ -29,36 +30,21 @@ abstract class Kernel
      */
     protected $loader;
 
-    /**
-     * @var array
-     */
-    protected $config = [];
-
-    public function getApp()
-    {
-        return $this->app;
-    }
-
-    public function getDI()
-    {
-        return $this->di;
-    }
-
     protected function initAppEnv()
     {
         require __DIR__ . '/Helper.php';
     }
 
-    protected function initAppConfig()
+    protected function registerSettings()
     {
-        $this->config = require config_path('config.php');
-    }
+        /**
+         * @var Config $config
+         */
+        $config = $this->di->getShared('config');
 
-    protected function initAppSetting()
-    {
-        ini_set('date.timezone', $this->config['timezone']);
+        ini_set('date.timezone', $config->get('timezone'));
 
-        if ($this->config['env'] == ENV_DEV) {
+        if ($config->get('env') == ENV_DEV) {
             ini_set('display_errors', 1);
             error_reporting(E_ALL);
         } else {