diff --git a/app/admin/model/Config.php b/app/admin/model/Config.php
index e76698c7..da9d935e 100644
--- a/app/admin/model/Config.php
+++ b/app/admin/model/Config.php
@@ -46,6 +46,7 @@ class Config extends Model
 
     public function getValueAttr($value, $row)
     {
+        if (!isset($row['type'])) return $value;
         if (in_array($row['type'], $this->jsonDecodeType)) {
             $arr = json_decode($value, true);
             return $arr ? $arr : [];
@@ -86,6 +87,7 @@ class Config extends Model
 
     public function getContentAttr($value, $row)
     {
+        if (!isset($row['type'])) return '';
         if (in_array($row['type'], $this->needContent)) {
             $arr = json_decode($value, true);
             return $arr ? $arr : [];
diff --git a/app/api/controller/Install.php b/app/api/controller/Install.php
index 50c4a9ab..22b56ab0 100644
--- a/app/api/controller/Install.php
+++ b/app/api/controller/Install.php
@@ -20,6 +20,8 @@ use app\admin\model\User as UserModel;
  */
 class Install extends Api
 {
+    protected $useSystemSettings = false;
+
     /**
      * 环境检查状态
      */
diff --git a/app/api/middleware.php b/app/api/middleware.php
index 502342ae..8b6c89a2 100644
--- a/app/api/middleware.php
+++ b/app/api/middleware.php
@@ -1,5 +1,4 @@
 <?php
-// 这是系统自动生成的middleware定义文件
 return [
     \app\common\middleware\AllowCrossDomain::class,
     \think\middleware\LoadLangPack::class,
diff --git a/app/common.php b/app/common.php
index 24a85c68..7b658de4 100644
--- a/app/common.php
+++ b/app/common.php
@@ -2,6 +2,9 @@
 // 应用公共文件
 
 use think\facade\Db;
+use think\Response;
+use think\facade\Config;
+use think\exception\HttpResponseException;
 
 if (!function_exists('path_is_writable')) {
     /**
@@ -285,4 +288,31 @@ if (!function_exists('hsv2rgb')) {
             floor($b * 255)
         ];
     }
+}
+
+if (!function_exists('ip_check')) {
+    function ip_check($ip = null)
+    {
+        $ip       = is_null($ip) ? request()->ip() : $ip;
+        $noAccess = get_sys_config('no_access_ip');
+        $noAccess = !$noAccess ? [] : array_filter(explode("\n", str_replace("\r\n", "\n", $noAccess)));
+        if ($noAccess && \Symfony\Component\HttpFoundation\IpUtils::checkIp($ip, $noAccess)) {
+            $response = Response::create(['msg' => 'No permission request'], 'json', 403);
+            throw new HttpResponseException($response);
+        }
+    }
+}
+
+if (!function_exists('set_timezone')) {
+    function set_timezone($timezone = null)
+    {
+        $defaultTimezone = Config::get('app.default_timezone');
+        $timezone        = is_null($timezone) ? get_sys_config('time_zone') : $timezone;
+        if ($timezone && $defaultTimezone != $timezone) {
+            Config::set([
+                'app.default_timezone' => $timezone
+            ]);
+            date_default_timezone_set($timezone);
+        }
+    }
 }
\ No newline at end of file
diff --git a/app/common/controller/Api.php b/app/common/controller/Api.php
index f9a4f250..eff56eb6 100644
--- a/app/common/controller/Api.php
+++ b/app/common/controller/Api.php
@@ -19,6 +19,12 @@ class Api extends BaseController
      */
     protected $responseType = 'json';
 
+    /**
+     * 应用站点系统设置
+     * @var bool
+     */
+    protected $useSystemSettings = true;
+
     public function __construct(App $app)
     {
         parent::__construct($app);
@@ -29,6 +35,13 @@ class Api extends BaseController
      */
     protected function initialize()
     {
+        if ($this->useSystemSettings) {
+            // ip检查
+            ip_check();
+            // 时区设定
+            set_timezone();
+        }
+
         parent::initialize();
         $this->request->filter('trim,strip_tags,htmlspecialchars');
 
diff --git a/composer.json b/composer.json
index 03776648..f3501c13 100644
--- a/composer.json
+++ b/composer.json
@@ -26,7 +26,8 @@
         "topthink/think-multi-app": "^1.0",
         "ext-mysqli": "*",
         "topthink/think-throttle": "^1.3",
-        "phpmailer/phpmailer": "^6.6"
+        "phpmailer/phpmailer": "^6.6",
+        "symfony/http-foundation": "^2.7 || ^3.0 || ^4.0"
     },
     "require-dev": {
         "symfony/var-dumper": "^4.2",