update: more secure path

app/Http/Controllers/Admin/ConfigController.php

@@ -107,7 +107,8 @@ class ConfigController extends Controller
                 'currency_symbol' => config('v2board.currency_symbol', '¥'),
                 'register_limit_by_ip_enable' => (int)config('v2board.register_limit_by_ip_enable', 0),
                 'register_limit_count' => config('v2board.register_limit_count', 3),
-                'register_limit_expire' => config('v2board.register_limit_expire', 60)
+                'register_limit_expire' => config('v2board.register_limit_expire', 60),
+                'secure_path' => config('v2board.secure_path', config('v2board.frontend_admin_path', 'admin'))
             ],
             'subscribe' => [
                 'plan_change_enable' => (int)config('v2board.plan_change_enable', 1),
@@ -124,7 +125,6 @@ class ConfigController extends Controller
                 'frontend_theme_header' => config('v2board.frontend_theme_header', 'dark'),
                 'frontend_theme_color' => config('v2board.frontend_theme_color', 'default'),
                 'frontend_background_url' => config('v2board.frontend_background_url'),
-                'frontend_admin_path' => config('v2board.frontend_admin_path', 'admin')
             ],
             'server' => [
                 'server_token' => config('v2board.server_token'),

app/Http/Requests/Admin/ConfigSave.php

@@ -46,6 +46,7 @@ class ConfigSave extends FormRequest
         'register_limit_by_ip_enable' => 'in:0,1',
         'register_limit_count' => 'integer',
         'register_limit_expire' => 'integer',
+        'secure_path' => '',
         // subscribe
         'plan_change_enable' => 'in:0,1',
         'reset_traffic_method' => 'in:0,1,2,3,4',
@@ -64,7 +65,6 @@ class ConfigSave extends FormRequest
         'frontend_theme_header' => 'in:dark,light',
         'frontend_theme_color' => 'in:default,darkblue,black,green',
         'frontend_background_url' => 'nullable|url',
-        'frontend_admin_path' => '',
         // email
         'email_template' => '',
         'email_host' => '',

app/Http/Routes/AdminRoute.php

@@ -8,7 +8,7 @@ class AdminRoute
     public function map(Registrar $router)
     {
         $router->group([
-            'prefix' => 'admin',
+            'prefix' => config('v2board.secure_path', config('v2board.frontend_admin_path', 'admin')),
             'middleware' => 'admin'
         ], function ($router) {
             // Config