diff --git a/init.php b/init.php
index 97c03cd0..b6530a46 100644
--- a/init.php
+++ b/init.php
@@ -42,7 +42,7 @@ spl_autoload_register('_autoloader');
 if (!file_exists($root_path . 'config.php')) {
     $root_path .= '..' . DIRECTORY_SEPARATOR;
     if (!file_exists($root_path . 'config.php')) {
-        r2('install');
+        r2(getUrl('install'));
     }
 }
 
@@ -196,7 +196,7 @@ function _auth($login = true)
         return true;
     } else {
         if ($login) {
-            r2(U . 'login');
+            r2(getUrl('login'));
         } else {
             return false;
         }
@@ -209,7 +209,7 @@ function _admin($login = true)
         return true;
     } else {
         if ($login) {
-            r2(U . 'login');
+            r2(getUrl('login'));
         } else {
             return false;
         }
@@ -261,6 +261,13 @@ function showResult($success, $message = '', $result = [], $meta = [])
     die();
 }
 
+/**
+ * make url canonical or standar
+ */
+function getUrl($url)
+{
+    Text::url($url);
+}
 
 function generateUniqueNumericVouchers($totalVouchers, $length = 8)
 {
@@ -333,10 +340,10 @@ function _alert($text, $type = 'success', $url = "home", $time = 3)
     if (!isset($ui)) return;
     if (strlen($url) > 4) {
         if (substr($url, 0, 4) != "http") {
-            $url = U . $url;
+            $url = getUrl($url);
         }
     } else {
-        $url = U . $url;
+        $url = getUrl($url);
     }
     $ui->assign('text', $text);
     $ui->assign('type', $type);
diff --git a/system/autoload/Package.php b/system/autoload/Package.php
index 2d30465d..cc8d464b 100644
--- a/system/autoload/Package.php
+++ b/system/autoload/Package.php
@@ -74,10 +74,10 @@ class Package
 
         if (!$p['enabled']) {
             if (!isset($admin) || !isset($admin['id']) || empty($admin['id'])) {
-                r2(U . 'home', 'e', Lang::T('Plan Not found'));
+                r2(getUrl('home'), 'e', Lang::T('Plan Not found'));
             }
             if (!in_array($admin['user_type'], ['SuperAdmin', 'Admin'])) {
-                r2(U . 'dashboard', 'e', Lang::T('You do not have permission to access this page'));
+                r2(getUrl('dashboard'), 'e', Lang::T('You do not have permission to access this page'));
             }
         }
 
diff --git a/system/autoload/Paginator.php b/system/autoload/Paginator.php
index 3d8b9014..4b6dbc43 100644
--- a/system/autoload/Paginator.php
+++ b/system/autoload/Paginator.php
@@ -14,7 +14,7 @@ class Paginator
         $adjacents = "2";
         $page = _get('p', 1);
         $page = (empty($page) ? 1 : $page);
-        $url = U . implode('/', $routes);
+        $url = getUrl(implode('/', $routes));
         if (count($search) > 0) {
             $url .= '&' . http_build_query($search);
         }
@@ -83,7 +83,7 @@ class Paginator
     {
         global $routes;
         global $_L;
-        $url = U . implode('/', $routes);
+        $url = getUrl(implode('/', $routes));
         $query = urlencode($query);
         $adjacents = "2";
         $page = (int)(empty(_get('p')) ? 1 : _get('p'));
@@ -169,7 +169,7 @@ class Paginator
     {
         global $routes;
         global $_L;
-        $url = U . $routes['0'] . '/' . $routes['1'] . '/';
+        $url = getUrl($routes['0'] . '/' . $routes['1'] . '/');
         $adjacents = "2";
         $page = (int)(!isset($routes['2']) ? 1 : $routes['2']);
         $pagination = "";
@@ -277,7 +277,7 @@ class Paginator
     {
         global $routes;
         global $_L;
-        $url = U . $routes['0'] . '/' . $routes['1'] . '/';
+        $url = getUrl($routes['0'] . '/' . $routes['1'] . '/');
         $adjacents = "2";
         $page = (int)(!isset($routes['2']) ? 1 : $routes['2']);
         $pagination = "";
diff --git a/system/autoload/Text.php b/system/autoload/Text.php
index 821e7aad..573690b7 100644
--- a/system/autoload/Text.php
+++ b/system/autoload/Text.php
@@ -109,4 +109,20 @@ class Text
         }
         return $result;
     }
+
+    public static function url(...$data){
+        global $config;
+        $url = implode("", $data);
+        if ($config['url_canonical'] != 'Yes') {
+            $u = str_replace('?_route=', '', U);
+            $pos = strpos($url, '&');
+            if ($pos === false) {
+                return $u . $url;
+            } else {
+                return $u . substr($url, 0, $pos) . '?' . substr($url, $pos + 1);
+            }
+        } else {
+            return U . $url;
+        }
+    }
 }
diff --git a/system/autoload/User.php b/system/autoload/User.php
index 3db62a66..2a3e3cfe 100644
--- a/system/autoload/User.php
+++ b/system/autoload/User.php
@@ -206,7 +206,7 @@ class User
         global $config;
         if ($config['maintenance_mode'] == true) {
             if ($config['maintenance_mode_logout'] == true) {
-                r2(U . 'logout', 'd', '');
+                r2(getUrl('logout'), 'd', '');
             } else {
                 displayMaintenanceMessage();
             }
@@ -226,7 +226,7 @@ class User
         global $config;
         if ($config['maintenance_mode'] == true) {
             if ($config['maintenance_mode_logout'] == true) {
-                r2(U . 'logout', 'd', '');
+                r2(getUrl('logout'), 'd', '');
             } else {
                 displayMaintenanceMessage();
             }
diff --git a/system/boot.php b/system/boot.php
index 43ac9166..c887288e 100644
--- a/system/boot.php
+++ b/system/boot.php
@@ -96,7 +96,7 @@ try {
         foreach ($menu_registered as $menu) {
             if ($menu['admin'] && _admin(false)) {
                 if (count($menu['auth']) == 0 || in_array($admin['user_type'], $menu['auth'])) {
-                    $menus[$menu['position']] .= '<li' . (($routes[1] == $menu['function']) ? ' class="active"' : '') . '><a href="' . U . 'plugin/' . $menu['function'] . '">';
+                    $menus[$menu['position']] .= '<li' . (($routes[1] == $menu['function']) ? ' class="active"' : '') . '><a href="' . getUrl('plugin/' . $menu['function']) . '">';
                     if (!empty($menu['icon'])) {
                         $menus[$menu['position']] .= '<i class="' . $menu['icon'] . '"></i>';
                     }
@@ -107,7 +107,7 @@ try {
                     $menus[$menu['position']] .= '<span class="text">' . $menu['name'] . '</span></a></li>';
                 }
             } else if (!$menu['admin'] && _auth(false)) {
-                $menus[$menu['position']] .= '<li' . (($routes[1] == $menu['function']) ? ' class="active"' : '') . '><a href="' . U . 'plugin/' . $menu['function'] . '">';
+                $menus[$menu['position']] .= '<li' . (($routes[1] == $menu['function']) ? ' class="active"' : '') . '><a href="' . getUrl('plugin/' . $menu['function']) . '">';
                 if (!empty($menu['icon'])) {
                     $menus[$menu['position']] .= '<i class="' . $menu['icon'] . '"></i>';
                 }
@@ -124,7 +124,11 @@ try {
         unset($menus, $menu_registered);
         include($sys_render);
     } else {
-        r2(U . 'dashboard', 'e', 'not found');
+        // header 404
+        header("HTTP/1.0 404 Not Found");
+        header("Content-Type: text/html; charset=utf-8");
+        echo "404 Not Found";
+        die();
     }
 } catch (Throwable $e) {
     Message::sendTelegram(
diff --git a/system/controllers/accounts.php b/system/controllers/accounts.php
index d21934d5..e75e2a21 100644
--- a/system/controllers/accounts.php
+++ b/system/controllers/accounts.php
@@ -27,7 +27,7 @@ switch ($action) {
         $password = _post('password');
         $csrf_token = _post('csrf_token');
         if (!Csrf::check($csrf_token)) {
-            r2(U . 'accounts/change-password', 'e', Lang::T('Invalid or Expired CSRF Token') . ".");
+            r2(getUrl('accounts/change-password'), 'e', Lang::T('Invalid or Expired CSRF Token') . ".");
         }
         run_hook('customer_change_password'); #HOOK
         if ($password != '') {
@@ -36,10 +36,10 @@ switch ($action) {
             $cnpass = _post('cnpass');
             if ($password == $d_pass) {
                 if (!Validator::Length($password, 36, 2)) {
-                    r2(U . 'accounts/change-password', 'e', 'New Password must be 2 to 35 character');
+                    r2(getUrl('accounts/change-password'), 'e', 'New Password must be 2 to 35 character');
                 }
                 if ($npass != $cnpass) {
-                    r2(U . 'accounts/change-password', 'e', 'Both Password should be same');
+                    r2(getUrl('accounts/change-password'), 'e', 'Both Password should be same');
                 }
                 $user->password = $npass;
                 $turs = ORM::for_table('tbl_user_recharges')->where('customer_id', $user['id'])->find_many();
@@ -64,10 +64,10 @@ switch ($action) {
                 _log('[' . $user['username'] . ']: Password changed successfully', 'User', $user['id']);
                 _alert(Lang::T('Password changed successfully, Please login again'), 'success', "login");
             } else {
-                r2(U . 'accounts/change-password', 'e', Lang::T('Incorrect Current Password'));
+                r2(getUrl('accounts/change-password'), 'e', Lang::T('Incorrect Current Password'));
             }
         } else {
-            r2(U . 'accounts/change-password', 'e', Lang::T('Incorrect Current Password'));
+            r2(getUrl('accounts/change-password'), 'e', Lang::T('Incorrect Current Password'));
         }
         break;
 
@@ -81,7 +81,7 @@ switch ($action) {
     case 'edit-profile-post':
         $csrf_token = _post('csrf_token');
         if (!Csrf::check($csrf_token)) {
-            r2(U . 'accounts/profile', 'e', Lang::T('Invalid or Expired CSRF Token') . ".");
+            r2(getUrl('accounts/profile'), 'e', Lang::T('Invalid or Expired CSRF Token') . ".");
         }
         $fullname = _post('fullname');
         $address = _post('address');
@@ -142,7 +142,7 @@ switch ($action) {
                     }
                     if (file_exists($_FILES['photo']['tmp_name'])) unlink($_FILES['photo']['tmp_name']);
                 } else {
-                    r2(U . 'settings/app', 'e', 'PHP GD is not installed');
+                    r2(getUrl('settings/app'), 'e', 'PHP GD is not installed');
                 }
             }
 
@@ -160,9 +160,9 @@ switch ($action) {
             $user->save();
 
             _log('[' . $user['username'] . ']: ' . Lang::T('User Updated Successfully'), 'User', $user['id']);
-            r2(U . 'accounts/profile', 's', Lang::T('User Updated Successfully'));
+            r2(getUrl('accounts/profile'), 's', Lang::T('User Updated Successfully'));
         }else{
-            r2(U . 'accounts/profile', 'e', $msg);
+            r2(getUrl('accounts/profile'), 'e', $msg);
         }
         break;
 
@@ -177,7 +177,7 @@ switch ($action) {
     case 'phone-update-otp':
         $csrf_token = _post('csrf_token');
         if (!Csrf::check($csrf_token)) {
-            r2(U . 'accounts/phone-update', 'e', Lang::T('Invalid or Expired CSRF Token') . ".");
+            r2(getUrl('accounts/phone-update'), 'e', Lang::T('Invalid or Expired CSRF Token') . ".");
         }
         $phone = Lang::phoneFormat(_post('phone'));
         $username = $user['username'];
@@ -185,16 +185,16 @@ switch ($action) {
         $_SESSION['new_phone'] = $phone;
         // Validate the phone number format
         if (!preg_match('/^[0-9]{10,}$/', $phone) || empty($phone)) {
-            r2(U . 'accounts/phone-update', 'e', Lang::T('Invalid phone number format'));
+            r2(getUrl('accounts/phone-update'), 'e', Lang::T('Invalid phone number format'));
         }
 
         if (empty($config['sms_url'])) {
-            r2(U . 'accounts/phone-update', 'e', Lang::T('SMS server not Available, Please try again later'));
+            r2(getUrl('accounts/phone-update'), 'e', Lang::T('SMS server not Available, Please try again later'));
         }
 
         $d = ORM::for_table('tbl_customers')->whereNotEqual('username', $username)->where('phonenumber', $phone)->find_one();
         if ($d) {
-            r2(U . 'accounts/phone-update', 'e', Lang::T('Phone number already registered by another customer'));
+            r2(getUrl('accounts/phone-update'), 'e', Lang::T('Phone number already registered by another customer'));
         }
         if (!file_exists($otpPath)) {
             mkdir($otpPath);
@@ -205,7 +205,7 @@ switch ($action) {
 
         // expired 10 minutes
         if (file_exists($otpFile) && time() - filemtime($otpFile) < 600) {
-            r2(U . 'accounts/phone-update', 'e', Lang::T('Please wait ') . (600 - (time() - filemtime($otpFile))) . Lang::T(' seconds before sending another SMS'));
+            r2(getUrl('accounts/phone-update'), 'e', Lang::T('Please wait ') . (600 - (time() - filemtime($otpFile))) . Lang::T(' seconds before sending another SMS'));
         } else {
             $otp = rand(100000, 999999);
             file_put_contents($otpFile, $otp);
@@ -220,7 +220,7 @@ switch ($action) {
                 Message::sendWhatsapp($phone, $config['CompanyName'] . "\n\n" . Lang::T("Verification code") . "\n$otp");
             }
             //redirect after sending OTP
-            r2(U . 'accounts/phone-update', 'e', Lang::T('Verification code has been sent to your phone'));
+            r2(getUrl('accounts/phone-update'), 'e', Lang::T('Verification code has been sent to your phone'));
         }
 
         break;
@@ -228,7 +228,7 @@ switch ($action) {
     case 'phone-update-post':
         $csrf_token = _post('csrf_token');
         if (!Csrf::check($csrf_token)) {
-            r2(U . 'accounts/phone-update', 'e', Lang::T('Invalid or Expired CSRF Token') . ".");
+            r2(getUrl('accounts/phone-update'), 'e', Lang::T('Invalid or Expired CSRF Token') . ".");
         }
         $phone = Lang::phoneFormat(_post('phone'));
         $otp_code = _post('otp');
@@ -237,11 +237,11 @@ switch ($action) {
 
         // Validate the phone number format
         if (!preg_match('/^[0-9]{10,}$/', $phone)) {
-            r2(U . 'accounts/phone-update', 'e', Lang::T('Invalid phone number format'));
+            r2(getUrl('accounts/phone-update'), 'e', Lang::T('Invalid phone number format'));
         }
 
         if (empty($config['sms_url'])) {
-            r2(U . 'accounts/phone-update', 'e', Lang::T('SMS server not Available, Please try again later'));
+            r2(getUrl('accounts/phone-update'), 'e', Lang::T('SMS server not Available, Please try again later'));
         }
 
         $otpFile = $otpPath . sha1($username . $db_pass) . ".txt";
@@ -249,7 +249,7 @@ switch ($action) {
 
         // Check if OTP file exists
         if (!file_exists($otpFile)) {
-            r2(U . 'accounts/phone-update', 'e', Lang::T('Please request OTP first'));
+            r2(getUrl('accounts/phone-update'), 'e', Lang::T('Please request OTP first'));
             exit();
         }
 
@@ -257,21 +257,21 @@ switch ($action) {
         if (time() - filemtime($otpFile) > 1200) {
             unlink($otpFile);
             unlink($phoneFile);
-            r2(U . 'accounts/phone-update', 'e', Lang::T('Verification code expired'));
+            r2(getUrl('accounts/phone-update'), 'e', Lang::T('Verification code expired'));
             exit();
         } else {
             $code = file_get_contents($otpFile);
 
             // Check if OTP code matches
             if ($code != $otp_code) {
-                r2(U . 'accounts/phone-update', 'e', Lang::T('Wrong Verification code'));
+                r2(getUrl('accounts/phone-update'), 'e', Lang::T('Wrong Verification code'));
                 exit();
             }
 
             // Check if the phone number matches the one that requested the OTP
             $savedPhone = file_get_contents($phoneFile);
             if ($savedPhone !== $phone) {
-                r2(U . 'accounts/phone-update', 'e', Lang::T('The phone number does not match the one that requested the OTP'));
+                r2(getUrl('accounts/phone-update'), 'e', Lang::T('The phone number does not match the one that requested the OTP'));
                 exit();
             }
 
@@ -284,7 +284,7 @@ switch ($action) {
         $user->phonenumber = Lang::phoneFormat($phone);
         $user->save();
 
-        r2(U . 'accounts/profile', 's', Lang::T('Phone number updated successfully'));
+        r2(getUrl('accounts/profile'), 's', Lang::T('Phone number updated successfully'));
         break;
 
     case 'email-update':
@@ -296,7 +296,7 @@ switch ($action) {
     case 'email-update-otp':
         $csrf_token = _post('csrf_token');
         if (!Csrf::check($csrf_token)) {
-            r2(U . 'accounts/email-update', 'e', Lang::T('Invalid or Expired CSRF Token') . ".");
+            r2(getUrl('accounts/email-update'), 'e', Lang::T('Invalid or Expired CSRF Token') . ".");
         }
         $email = trim(_post('email'));
         $username = $user['username'];
@@ -304,16 +304,16 @@ switch ($action) {
         $_SESSION['new_email'] = $email;
         // Validate the phone number format
         if (!Validator::Email($email)) {
-            r2(U . 'accounts/email-update', 'e', Lang::T('Invalid Email address format'));
+            r2(getUrl('accounts/email-update'), 'e', Lang::T('Invalid Email address format'));
         }
 
         if (empty($config['smtp_host'])) {
-            r2(U . 'accounts/email-update', 'e', Lang::T('Email server not Available, Please ask admin to configure it'));
+            r2(getUrl('accounts/email-update'), 'e', Lang::T('Email server not Available, Please ask admin to configure it'));
         }
 
         $d = ORM::for_table('tbl_customers')->whereNotEqual('username', $username)->where('email', $email)->find_one();
         if ($d) {
-            r2(U . 'accounts/email-update', 'e', Lang::T('Email already used by another Customer'));
+            r2(getUrl('accounts/email-update'), 'e', Lang::T('Email already used by another Customer'));
         }
         if (!file_exists($otpPath)) {
             mkdir($otpPath);
@@ -324,7 +324,7 @@ switch ($action) {
 
         // expired 10 minutes
         if (file_exists($otpFile) && time() - filemtime($otpFile) < 600) {
-            r2(U . 'accounts/email-update', 'e', Lang::T('Please wait ') . (600 - (time() - filemtime($otpFile))) . Lang::T(' seconds before sending another Email'));
+            r2(getUrl('accounts/email-update'), 'e', Lang::T('Please wait ') . (600 - (time() - filemtime($otpFile))) . Lang::T(' seconds before sending another Email'));
         } else {
             $otp = rand(100000, 999999);
             file_put_contents($otpFile, $otp);
@@ -333,7 +333,7 @@ switch ($action) {
             $body = Lang::T("Hello") . ' ' . $user['fullname'] . ",\n\n" . Lang::T("Your Email Verification Code is:") . " $otp";
             Message::sendEmail($email, Lang::T('Change Email Verification Code'), $body);
             //redirect after sending OTP
-            r2(U . 'accounts/email-update', 'e', Lang::T('Verification code has been sent to your email. Check Spam folder if not found.'));
+            r2(getUrl('accounts/email-update'), 'e', Lang::T('Verification code has been sent to your email. Check Spam folder if not found.'));
         }
 
         break;
@@ -341,7 +341,7 @@ switch ($action) {
     case 'email-update-post':
         $csrf_token = _post('csrf_token');
         if (!Csrf::check($csrf_token)) {
-            r2(U . 'accounts/email-update', 'e', Lang::T('Invalid or Expired CSRF Token') . ".");
+            r2(getUrl('accounts/email-update'), 'e', Lang::T('Invalid or Expired CSRF Token') . ".");
         }
         $email = trim(_post('email'));
         $otp_code = _post('otp');
@@ -349,12 +349,12 @@ switch ($action) {
         $otpPath = $CACHE_PATH . '/email/';
         // Validate the phone number format
         if (!Validator::Email($email)) {
-            r2(U . 'accounts/email-update', 'e', Lang::T('Invalid Email address format'));
+            r2(getUrl('accounts/email-update'), 'e', Lang::T('Invalid Email address format'));
             exit();
         }
 
         if (empty($config['smtp_host'])) {
-            r2(U . 'accounts/email-update', 'e', Lang::T('Email server not Available, Please ask admin to configure it'));
+            r2(getUrl('accounts/email-update'), 'e', Lang::T('Email server not Available, Please ask admin to configure it'));
         }
 
         $otpFile = $otpPath . sha1($username . $db_pass) . ".txt";
@@ -362,7 +362,7 @@ switch ($action) {
 
         // Check if OTP file exists
         if (!file_exists($otpFile)) {
-            r2(U . 'accounts/email-update', 'e', Lang::T('Please request OTP first'));
+            r2(getUrl('accounts/email-update'), 'e', Lang::T('Please request OTP first'));
             exit();
         }
 
@@ -370,21 +370,21 @@ switch ($action) {
         if (time() - filemtime($otpFile) > 1200) {
             unlink($otpFile);
             unlink($emailFile);
-            r2(U . 'accounts/email-update', 'e', Lang::T('Verification code expired'));
+            r2(getUrl('accounts/email-update'), 'e', Lang::T('Verification code expired'));
             exit();
         } else {
             $code = file_get_contents($otpFile);
 
             // Check if OTP code matches
             if ($code != $otp_code) {
-                r2(U . 'accounts/email-update', 'e', Lang::T('Wrong Verification code'));
+                r2(getUrl('accounts/email-update'), 'e', Lang::T('Wrong Verification code'));
                 exit();
             }
 
             // Check if the phone number matches the one that requested the OTP
             $savedEmail = file_get_contents($emailFile);
             if ($savedEmail !== $email) {
-                r2(U . 'accounts/email-update', 'e', Lang::T('The Email Address does not match the one that requested the OTP'));
+                r2(getUrl('accounts/email-update'), 'e', Lang::T('The Email Address does not match the one that requested the OTP'));
                 exit();
             }
 
@@ -396,7 +396,7 @@ switch ($action) {
         $user->email = $email;
         $user->save();
 
-        r2(U . 'accounts/profile', 's', Lang::T('Email Address updated successfully'));
+        r2(getUrl('accounts/profile'), 's', Lang::T('Email Address updated successfully'));
         break;
 
     case 'language-update-post':
diff --git a/system/controllers/admin.php b/system/controllers/admin.php
index 03aa16c6..2d8ea84e 100644
--- a/system/controllers/admin.php
+++ b/system/controllers/admin.php
@@ -10,7 +10,7 @@ header("Expires: Tue, 01 Jan 2000 00:00:00 GMT");
 header("Pragma: no-cache");
 
 if (Admin::getID()) {
-    r2(U . 'dashboard', "s", Lang::T("You are already logged in"));
+    r2(getUrl('dashboard'), "s", Lang::T("You are already logged in"));
 }
 
 if (isset($routes['1'])) {
diff --git a/system/controllers/autoload_user.php b/system/controllers/autoload_user.php
index 3da9b5e2..0b18eacf 100644
--- a/system/controllers/autoload_user.php
+++ b/system/controllers/autoload_user.php
@@ -25,10 +25,10 @@ switch ($action) {
                     if (file_exists($dvc)) {
                         require_once $dvc;
                         if ((new $p['device'])->online_customer($user, $bill['routers'])) {
-                            die('<a href="' . U . 'home&mikrotik=logout&id=' . $bill['id'] . '" onclick="return confirm(\'' . Lang::T('Disconnect Internet?') . '\')" class="btn btn-success btn-xs btn-block">' . Lang::T('You are Online, Logout?') . '</a>');
+                            die('<a href="' . getUrl('home&mikrotik=logout&id=' . $bill['id']) . '" onclick="return confirm(\'' . Lang::T('Disconnect Internet?') . '\')" class="btn btn-success btn-xs btn-block">' . Lang::T('You are Online, Logout?') . '</a>');
                         } else {
                             if (!empty($_SESSION['nux-mac']) && !empty($_SESSION['nux-ip'])) {
-                                die('<a href="' . U . 'home&mikrotik=login&id=' . $bill['id'] . '" onclick="return confirm(\'' . Lang::T('Connect to Internet?') . '\')" class="btn btn-danger btn-xs btn-block">' . Lang::T('Not Online, Login now?') . '</a>');
+                                die('<a href="' . getUrl('home&mikrotik=login&id=' . $bill['id']) . '" onclick="return confirm(\'' . Lang::T('Connect to Internet?') . '\')" class="btn btn-danger btn-xs btn-block">' . Lang::T('Not Online, Login now?') . '</a>');
                             } else {
                                 die(Lang::T('-'));
                             }
@@ -58,7 +58,7 @@ switch ($action) {
     case 'inbox':
         $inboxs = ORM::for_table('tbl_customers_inbox')->selects(['id', 'subject', 'date_created'])->where('customer_id', $user['id'])->whereRaw('date_read is null')->order_by_desc('date_created')->limit(10)->find_many();
         foreach ($inboxs as $inbox) {
-            echo '<li><a href="' . U . 'mail/view/' . $inbox['id'] . '">' . $inbox['subject'] . '<br><sub class="text-muted">' . Lang::dateTimeFormat($inbox['date_created']) . '</sub></a></li>';
+            echo '<li><a href="' . getUrl('mail/view/' . $inbox['id']) . '">' . $inbox['subject'] . '<br><sub class="text-muted">' . Lang::dateTimeFormat($inbox['date_created']) . '</sub></a></li>';
         }
         die();
     case 'language':
@@ -69,7 +69,7 @@ switch ($action) {
             if (is_file('system/lan/' . $file) && !in_array($file, ['index.html', 'country.json', '.DS_Store'])) {
                 $file = str_replace(".json", "", $file);
                 if(!empty($file)){
-                    echo '<li><a href="' . U . 'accounts/language-update-post&lang=' . $file. '">';
+                    echo '<li><a href="' . getUrl('accounts/language-update-post&lang=' . $file) . '">';
                     if($select == $file){
                         echo '<span class="glyphicon glyphicon-ok"></span> ';
                     }
diff --git a/system/controllers/bandwidth.php b/system/controllers/bandwidth.php
index ca7fe0ef..a482550c 100644
--- a/system/controllers/bandwidth.php
+++ b/system/controllers/bandwidth.php
@@ -13,7 +13,7 @@ $action = $routes['1'];
 $ui->assign('_admin', $admin);
 
 if (!in_array($admin['user_type'], ['SuperAdmin', 'Admin'])) {
-    r2(U . "dashboard", 'e', Lang::T('You do not have permission to access this page'));
+    r2(getUrl('dashboard'), 'e', Lang::T('You do not have permission to access this page'));
 }
 
 switch ($action) {
@@ -53,7 +53,7 @@ switch ($action) {
             $ui->assign('d', $d);
             $ui->display('bandwidth-edit.tpl');
         } else {
-            r2(U . 'bandwidth/list', 'e', Lang::T('Account Not Found'));
+            r2(getUrl('bandwidth/list'), 'e', Lang::T('Account Not Found'));
         }
         break;
 
@@ -66,7 +66,7 @@ switch ($action) {
         $d = ORM::for_table('tbl_bandwidth')->find_one($id);
         if ($d) {
             $d->delete();
-            r2(U . 'bandwidth/list', 's', Lang::T('Data Deleted Successfully'));
+            r2(getUrl('bandwidth/list'), 's', Lang::T('Data Deleted Successfully'));
         }
         break;
 
@@ -123,9 +123,9 @@ switch ($action) {
             $d->burst = $burst;
             $d->save();
 
-            r2(U . 'bandwidth/list', 's', Lang::T('Data Created Successfully'));
+            r2(getUrl('bandwidth/list'), 's', Lang::T('Data Created Successfully'));
         } else {
-            r2(U . 'bandwidth/add', 'e', $msg);
+            r2(getUrl('bandwidth/add'), 'e', $msg);
         }
         break;
 
@@ -179,9 +179,9 @@ switch ($action) {
             $d->burst = $burst;
             $d->save();
 
-            r2(U . 'bandwidth/list', 's', Lang::T('Data Updated Successfully'));
+            r2(getUrl('bandwidth/list'), 's', Lang::T('Data Updated Successfully'));
         } else {
-            r2(U . 'bandwidth/edit/' . $id, 'e', $msg);
+            r2(getUrl('bandwidth/edit/') . $id, 'e', $msg);
         }
         break;
 
diff --git a/system/controllers/coupons.php b/system/controllers/coupons.php
index 78550832..f019f22f 100644
--- a/system/controllers/coupons.php
+++ b/system/controllers/coupons.php
@@ -79,14 +79,14 @@ switch ($action) {
         }
 
         if (!empty($error)) {
-            r2(U . 'coupons/add', 'e', implode('<br>', $error));
+            r2(getUrl('coupons/add'), 'e', implode('<br>', $error));
             exit;
         }
 
         //check if coupon code already exists
         $coupon = ORM::for_table('tbl_coupons')->where('code', $code)->find_one();
         if ($coupon) {
-            r2(U . 'coupons/add', 'e', Lang::T('Coupon Code already exists'));
+            r2(getUrl('coupons/add'), 'e', Lang::T('Coupon Code already exists'));
             exit;
         }
 
@@ -104,10 +104,10 @@ switch ($action) {
         $coupon->created_at = date('Y-m-d H:i:s');
         try {
             $coupon->save();
-            r2(U . 'coupons', 's', Lang::T('Coupon has been added successfully'));
+            r2(getUrl('coupons'), 's', Lang::T('Coupon has been added successfully'));
         } catch (Exception $e) {
             _log(Lang::T('Error adding coupon: ' . $e->getMessage()));
-            r2(U . 'coupons/add', 'e', Lang::T('Error adding coupon: ' . $e->getMessage()));
+            r2(getUrl('coupons/add'), 'e', Lang::T('Error adding coupon: ' . $e->getMessage()));
         }
         break;
 
@@ -120,12 +120,12 @@ switch ($action) {
 
         $coupon_id = intval($routes['2']);
         if (empty($coupon_id)) {
-            r2(U . 'coupons', 'e', Lang::T('Invalid Coupon ID'));
+            r2(getUrl('coupons'), 'e', Lang::T('Invalid Coupon ID'));
             exit;
         }
         $coupon = ORM::for_table('tbl_coupons')->find_one($coupon_id);
         if (!$coupon) {
-            r2(U . 'coupons', 'e', Lang::T('Coupon Not Found'));
+            r2(getUrl('coupons'), 'e', Lang::T('Coupon Not Found'));
             exit;
         }
         $ui->assign('coupon', $coupon);
@@ -189,7 +189,7 @@ switch ($action) {
             $error[] = Lang::T('Coupon end date is required');
         }
         if (!empty($error)) {
-            r2(U . 'coupons/edit/' . $coupon_id, 'e', implode('<br>', $error));
+            r2(getUrl('coupons/edit/') . $coupon_id, 'e', implode('<br>', $error));
             exit;
         }
         $coupon = ORM::for_table('tbl_coupons')->find_one($coupon_id);
@@ -206,10 +206,10 @@ switch ($action) {
         $coupon->updated_at = date('Y-m-d H:i:s');
         try {
             $coupon->save();
-            r2(U . 'coupons', 's', Lang::T('Coupon has been updated successfully'));
+            r2(getUrl('coupons'), 's', Lang::T('Coupon has been updated successfully'));
         } catch (Exception $e) {
             _log(Lang::T('Error updating coupon: ') . $e->getMessage());
-            r2(U . 'coupons/edit/' . $coupon_id, 'e', Lang::T('Error updating coupon: ') . $e->getMessage());
+            r2(getUrl('coupons/edit/') . $coupon_id, 'e', Lang::T('Error updating coupon: ') . $e->getMessage());
         }
         break;
 
diff --git a/system/controllers/customers.php b/system/controllers/customers.php
index 5f5c8fb0..a5fa8f53 100644
--- a/system/controllers/customers.php
+++ b/system/controllers/customers.php
@@ -27,7 +27,7 @@ switch ($action) {
         }
         $csrf_token = _req('token');
         if (!Csrf::check($csrf_token)) {
-            r2(U . 'customers', 'e', Lang::T('Invalid or Expired CSRF Token') . ".");
+            r2(getUrl('customers'), 'e', Lang::T('Invalid or Expired CSRF Token') . ".");
         }
 
         $cs = ORM::for_table('tbl_customers')
@@ -168,7 +168,7 @@ switch ($action) {
         $plan_id = $routes['3'];
         $csrf_token = _req('token');
         if (!Csrf::check($csrf_token)) {
-            r2(U . 'customers/view/' . $id_customer, 'e', Lang::T('Invalid or Expired CSRF Token') . ".");
+            r2(getUrl('customers/view/') . $id_customer, 'e', Lang::T('Invalid or Expired CSRF Token') . ".");
         }
         $b = ORM::for_table('tbl_user_recharges')->where('customer_id', $id_customer)->where('plan_id', $plan_id)->find_one();
         if ($b) {
@@ -192,13 +192,13 @@ switch ($action) {
             list($bills, $add_cost) = User::getBills($id_customer);
             if ($using == 'balance' && $config['enable_balance'] == 'yes') {
                 if (!$cust) {
-                    r2(U . 'plan/recharge', 'e', Lang::T('Customer not found'));
+                    r2(getUrl('plan/recharge'), 'e', Lang::T('Customer not found'));
                 }
                 if (!$plan) {
-                    r2(U . 'plan/recharge', 'e', Lang::T('Plan not found'));
+                    r2(getUrl('plan/recharge'), 'e', Lang::T('Plan not found'));
                 }
                 if ($cust['balance'] < ($plan['price'] + $add_cost + $tax)) {
-                    r2(U . 'plan/recharge', 'e', Lang::T('insufficient balance'));
+                    r2(getUrl('plan/recharge'), 'e', Lang::T('insufficient balance'));
                 }
                 $gateway = 'Recharge Balance';
             }
@@ -227,7 +227,7 @@ switch ($action) {
             $ui->assign('csrf_token',  Csrf::generateAndStoreToken());
             $ui->display('recharge-confirm.tpl');
         } else {
-            r2(U . 'customers/view/' . $id_customer, 'e', 'Cannot find active plan');
+            r2(getUrl('customers/view/') . $id_customer, 'e', 'Cannot find active plan');
         }
         break;
     case 'deactivate':
@@ -238,7 +238,7 @@ switch ($action) {
         $plan_id = $routes['3'];
         $csrf_token = _req('token');
         if (!Csrf::check($csrf_token)) {
-            r2(U . 'customers/view/' . $id_customer, 'e', Lang::T('Invalid or Expired CSRF Token') . ".");
+            r2(getUrl('customers/view/') . $id_customer, 'e', Lang::T('Invalid or Expired CSRF Token') . ".");
         }
         $b = ORM::for_table('tbl_user_recharges')->where('customer_id', $id_customer)->where('plan_id', $plan_id)->find_one();
         if ($b) {
@@ -261,16 +261,16 @@ switch ($action) {
                 $b->save();
                 _log('Admin ' . $admin['username'] . ' Deactivate ' . $b['namebp'] . ' for ' . $b['username'], 'User', $b['customer_id']);
                 Message::sendTelegram('Admin ' . $admin['username'] . ' Deactivate ' . $b['namebp'] . ' for u' . $b['username']);
-                r2(U . 'customers/view/' . $id_customer, 's', 'Success deactivate customer to Mikrotik');
+                r2(getUrl('customers/view/') . $id_customer, 's', 'Success deactivate customer to Mikrotik');
             }
         }
-        r2(U . 'customers/view/' . $id_customer, 'e', 'Cannot find active plan');
+        r2(getUrl('customers/view/') . $id_customer, 'e', 'Cannot find active plan');
         break;
     case 'sync':
         $id_customer = $routes['2'];
         $csrf_token = _req('token');
         if (!Csrf::check($csrf_token)) {
-            r2(U . 'customers/view/' . $id_customer, 'e', Lang::T('Invalid or Expired CSRF Token') . ".");
+            r2(getUrl('customers/view/') . $id_customer, 'e', Lang::T('Invalid or Expired CSRF Token') . ".");
         }
         $bs = ORM::for_table('tbl_user_recharges')->where('customer_id', $id_customer)->where('status', 'on')->findMany();
         if ($bs) {
@@ -295,9 +295,9 @@ switch ($action) {
                     }
                 }
             }
-            r2(U . 'customers/view/' . $id_customer, 's', 'Sync success to ' . implode(", ", $routers));
+            r2(getUrl('customers/view/') . $id_customer, 's', 'Sync success to ' . implode(", ", $routers));
         }
-        r2(U . 'customers/view/' . $id_customer, 'e', 'Cannot find active plan');
+        r2(getUrl('customers/view/') . $id_customer, 'e', 'Cannot find active plan');
         break;
     case 'login':
         if (!in_array($admin['user_type'], ['SuperAdmin', 'Admin'])) {
@@ -306,7 +306,7 @@ switch ($action) {
         $id = $routes['2'];
         $csrf_token = _req('token');
         if (!Csrf::check($csrf_token)) {
-            r2(U . 'customers/view/' . $id, 'e', Lang::T('Invalid or Expired CSRF Token') . ".");
+            r2(getUrl('customers/view/') . $id, 'e', Lang::T('Invalid or Expired CSRF Token') . ".");
         }
         $customer = ORM::for_table('tbl_customers')->find_one($id);
         if ($customer) {
@@ -366,7 +366,7 @@ switch ($action) {
             $ui->assign('csrf_token',  Csrf::generateAndStoreToken());
             $ui->display('customers-view.tpl');
         } else {
-            r2(U . 'customers/list', 'e', Lang::T('Account Not Found'));
+            r2(getUrl('customers/list'), 'e', Lang::T('Account Not Found'));
         }
         break;
     case 'edit':
@@ -405,7 +405,7 @@ switch ($action) {
             $ui->assign('csrf_token',  Csrf::generateAndStoreToken());
             $ui->display('customers-edit.tpl');
         } else {
-            r2(U . 'customers/list', 'e', Lang::T('Account Not Found'));
+            r2(getUrl('customers/list'), 'e', Lang::T('Account Not Found'));
         }
         break;
 
@@ -416,7 +416,7 @@ switch ($action) {
         $id = $routes['2'];
         $csrf_token = _req('token');
         if (!Csrf::check($csrf_token)) {
-            r2(U . 'customers/view/' . $id, 'e', Lang::T('Invalid or Expired CSRF Token') . ".");
+            r2(getUrl('customers/view/') . $id, 'e', Lang::T('Invalid or Expired CSRF Token') . ".");
         }
         run_hook('delete_customer'); #HOOK
         $c = ORM::for_table('tbl_customers')->find_one($id);
@@ -448,7 +448,7 @@ switch ($action) {
                 $c->delete();
             } catch (Exception $e) {
             }
-            r2(U . 'customers/list', 's', Lang::T('User deleted Successfully'));
+            r2(getUrl('customers/list'), 's', Lang::T('User deleted Successfully'));
         }
         break;
 
@@ -456,7 +456,7 @@ switch ($action) {
 
         $csrf_token = _post('csrf_token');
         if (!Csrf::check($csrf_token)) {
-            r2(U . 'customers/add', 'e', Lang::T('Invalid or Expired CSRF Token') . ".");
+            r2(getUrl('customers/add'), 'e', Lang::T('Invalid or Expired CSRF Token') . ".");
         }
         $username = alphanumeric(_post('username'), ":+_.@-");
         $fullname = _post('fullname');
@@ -575,9 +575,9 @@ switch ($action) {
                     }
                 }
             }
-            r2(U . 'customers/list', 's', Lang::T('Account Created Successfully'));
+            r2(getUrl('customers/list'), 's', Lang::T('Account Created Successfully'));
         } else {
-            r2(U . 'customers/add', 'e', $msg);
+            r2(getUrl('customers/add'), 'e', $msg);
         }
         break;
 
@@ -585,7 +585,7 @@ switch ($action) {
         $id = _post('id');
         $csrf_token = _post('csrf_token');
         if (!Csrf::check($csrf_token)) {
-            r2(U . 'customers/edit/' . $id, 'e', Lang::T('Invalid or Expired CSRF Token') . ".");
+            r2(getUrl('customers/edit/') . $id, 'e', Lang::T('Invalid or Expired CSRF Token') . ".");
         }
         $username = alphanumeric(_post('username'), ":+_.@-");
         $fullname = _post('fullname');
@@ -708,7 +708,7 @@ switch ($action) {
                     }
                     if (file_exists($_FILES['photo']['tmp_name'])) unlink($_FILES['photo']['tmp_name']);
                 } else {
-                    r2(U . 'settings/app', 'e', 'PHP GD is not installed');
+                    r2(getUrl('settings/app'), 'e', 'PHP GD is not installed');
                 }
             }
             if ($userDiff) {
@@ -815,9 +815,9 @@ switch ($action) {
                     $tur->save();
                 }
             }
-            r2(U . 'customers/view/' . $id, 's', 'User Updated Successfully');
+            r2(getUrl('customers/view/') . $id, 's', 'User Updated Successfully');
         } else {
-            r2(U . 'customers/edit/' . $id, 'e', $msg);
+            r2(getUrl('customers/edit/') . $id, 'e', $msg);
         }
         break;
 
@@ -856,7 +856,7 @@ switch ($action) {
         if (_post('export', '') == 'csv') {
             $csrf_token = _post('csrf_token');
             if (!Csrf::check($csrf_token)) {
-                r2(U . 'customers', 'e', Lang::T('Invalid or Expired CSRF Token') . ".");
+                r2(getUrl('customers'), 'e', Lang::T('Invalid or Expired CSRF Token') . ".");
             }
             $d = $query->findMany();
             $h = false;
diff --git a/system/controllers/customfield.php b/system/controllers/customfield.php
index def4480f..d0463283 100644
--- a/system/controllers/customfield.php
+++ b/system/controllers/customfield.php
@@ -38,9 +38,9 @@ switch ($action) {
             });
         }
         if(file_put_contents($fieldPath, json_encode($datas))){
-            r2(U . 'customfield', 's', 'Successfully saved custom fields!');
+            r2(getUrl('customfield'), 's', 'Successfully saved custom fields!');
         }else{
-            r2(U . 'customfield', 'e', 'Failed to save custom fields!');
+            r2(getUrl('customfield'), 'e', 'Failed to save custom fields!');
         }
     default:
         $fields = [];
diff --git a/system/controllers/dashboard.php b/system/controllers/dashboard.php
index 9f1185b0..fb5a7ffc 100644
--- a/system/controllers/dashboard.php
+++ b/system/controllers/dashboard.php
@@ -17,7 +17,7 @@ if (isset($_GET['refresh'])) {
             unlink($CACHE_PATH . DIRECTORY_SEPARATOR . $file);
         }
     }
-    r2(U . 'dashboard', 's', 'Data Refreshed');
+    r2(getUrl('dashboard'), 's', 'Data Refreshed');
 }
 
 $reset_day = $config['reset_day'];
diff --git a/system/controllers/default.php b/system/controllers/default.php
index d32f8ce4..84c83049 100644
--- a/system/controllers/default.php
+++ b/system/controllers/default.php
@@ -5,9 +5,9 @@
  **/
 
 if(Admin::getID()){
-    r2(U.'dashboard');
+    r2(getUrl('dashboard'));
 }if(User::getID()){
-    r2(U.'home');
+    r2(getUrl('home'));
 }else{
-    r2(U.'login');
+    r2(getUrl('login'));
 }
diff --git a/system/controllers/forgot.php b/system/controllers/forgot.php
index 23d028c2..dd726165 100644
--- a/system/controllers/forgot.php
+++ b/system/controllers/forgot.php
@@ -82,16 +82,16 @@ if ($step == 1) {
                 }
                 setcookie('forgot_username', '', time() - 3600, '/');
             } else {
-                r2(U . 'forgot&step=1', 'e', Lang::T('Invalid Username or Verification Code'));
+                r2(getUrl('forgot&step=1'), 'e', Lang::T('Invalid Username or Verification Code'));
             }
         } else {
             if (file_exists($otpPath)) {
                 unlink($otpPath);
             }
-            r2(U . 'forgot&step=1', 'e', Lang::T('Invalid Username or Verification Code'));
+            r2(getUrl('forgot&step=1'), 'e', Lang::T('Invalid Username or Verification Code'));
         }
     } else {
-        r2(U . 'forgot&step=1', 'e', Lang::T('Invalid Username or Verification Code'));
+        r2(getUrl('forgot&step=1'), 'e', Lang::T('Invalid Username or Verification Code'));
     }
 } else if ($step == 7) {
     $find = _post('find');
diff --git a/system/controllers/home.php b/system/controllers/home.php
index 33825a13..65518415 100644
--- a/system/controllers/home.php
+++ b/system/controllers/home.php
@@ -23,18 +23,18 @@ if (_post('send') == 'balance') {
         }
         $target = ORM::for_table('tbl_customers')->where('username', _post('username'))->find_one();
         if (!$target) {
-            r2(U . 'home', 'd', Lang::T('Username not found'));
+            r2(getUrl('home'), 'd', Lang::T('Username not found'));
         }
         $username = _post('username');
         $balance = _post('balance');
         if ($user['balance'] < $balance) {
-            r2(U . 'home', 'd', Lang::T('insufficient balance'));
+            r2(getUrl('home'), 'd', Lang::T('insufficient balance'));
         }
         if (!empty($config['minimum_transfer']) && intval($balance) < intval($config['minimum_transfer'])) {
-            r2(U . 'home', 'd', Lang::T('Minimum Transfer') . ' ' . Lang::moneyFormat($config['minimum_transfer']));
+            r2(getUrl('home'), 'd', Lang::T('Minimum Transfer') . ' ' . Lang::moneyFormat($config['minimum_transfer']));
         }
         if ($user['username'] == $target['username']) {
-            r2(U . 'home', 'd', Lang::T('Cannot send to yourself'));
+            r2(getUrl('home'), 'd', Lang::T('Cannot send to yourself'));
         }
         if (Balance::transfer($user['id'], $username, $balance)) {
             //sender
@@ -75,10 +75,10 @@ if (_post('send') == 'balance') {
             Message::sendBalanceNotification($user, $target, $balance, ($user['balance'] - $balance), Lang::getNotifText('balance_send'), $config['user_notification_payment']);
             Message::sendBalanceNotification($target, $user, $balance, ($target['balance'] + $balance), Lang::getNotifText('balance_received'), $config['user_notification_payment']);
             Message::sendTelegram("#u$user[username] send balance to #u$target[username] \n" . Lang::moneyFormat($balance));
-            r2(U . 'home', 's', Lang::T('Sending balance success'));
+            r2(getUrl('home'), 's', Lang::T('Sending balance success'));
         }
     } else {
-        r2(U . 'home', 'd', Lang::T('Failed, balance is not available'));
+        r2(getUrl('home'), 'd', Lang::T('Failed, balance is not available'));
     }
 } else if (_post('send') == 'plan') {
     if ($user['status'] != 'Active') {
@@ -90,10 +90,10 @@ if (_post('send') == 'balance') {
     foreach ($actives as $active) {
         $router = ORM::for_table('tbl_routers')->where('name', $active['routers'])->find_one();
         if ($router) {
-            r2(U . "order/send/$router[id]/$active[plan_id]&u=" . trim(_post('username')), 's', Lang::T('Review package before recharge'));
+            r2(getUrl('order/send/$router[id]/$active[plan_id]&u=') . trim(_post('username')), 's', Lang::T('Review package before recharge'));
         }
     }
-    r2(U . 'home', 'w', Lang::T('Your friend do not have active package'));
+    r2(getUrl('home'), 'w', Lang::T('Your friend do not have active package'));
 }
 $_bill = User::_billing();
 $ui->assign('_bills', $_bill);
@@ -128,7 +128,7 @@ if (isset($_GET['sync']) && !empty($_GET['sync'])) {
             }
         }
     }
-    r2(U . 'home', 's', $log);
+    r2(getUrl('home'), 's', $log);
 }
 
 if (isset($_GET['recharge']) && !empty($_GET['recharge'])) {
@@ -136,7 +136,7 @@ if (isset($_GET['recharge']) && !empty($_GET['recharge'])) {
         _alert(Lang::T('This account status') . ' : ' . Lang::T($user['status']), 'danger', "");
     }
     if (!empty(App::getTokenValue(_get('stoken')))) {
-        r2(U . "voucher/invoice/");
+        r2(getUrl('voucher/invoice/'));
         die();
     }
     $bill = ORM::for_table('tbl_user_recharges')->where('id', $_GET['recharge'])->where('username', $user['username'])->findOne();
@@ -147,17 +147,17 @@ if (isset($_GET['recharge']) && !empty($_GET['recharge'])) {
             $routers = ORM::for_table('tbl_routers')->where('name', $bill['routers'])->find_one();
             $router = $routers['id'];
         }
-        r2(U. "order/gateway/$router/$bill[plan_id]");
+        r2(getUrl('order/gateway/$router/$bill[plan_id]'));
     }
 } else if (!empty(_get('extend'))) {
     if ($user['status'] != 'Active') {
         _alert(Lang::T('This account status') . ' : ' . Lang::T($user['status']), 'danger', "");
     }
     if (!$config['extend_expired']) {
-        r2(U . 'home', 'e', "cannot extend");
+        r2(getUrl('home'), 'e', "cannot extend");
     }
     if (!empty(App::getTokenValue(_get('stoken')))) {
-        r2(U . 'home', 'e', "You already extend");
+        r2(getUrl('home'), 'e', "You already extend");
     }
     $id = _get('extend');
     $tur = ORM::for_table('tbl_user_recharges')->where('customer_id', $user['id'])->where('id', $id)->find_one();
@@ -172,7 +172,7 @@ if (isset($_GET['recharge']) && !empty($_GET['recharge'])) {
             // is already extend
             $last = file_get_contents($path);
             if ($last == $m) {
-                r2(U . 'home', 'e', "You already extend for this month");
+                r2(getUrl('home'), 'e', "You already extend for this month");
             }
         }
         if ($tur['status'] != 'on') {
@@ -202,12 +202,12 @@ if (isset($_GET['recharge']) && !empty($_GET['recharge'])) {
                 "\nLocation: " . $p['routers'] .
                 "\nCustomer: " . $user['fullname'] .
                 "\nNew Expired: " . Lang::dateAndTimeFormat($expiration, $tur['time']));
-            r2(U . 'home', 's', "Extend until $expiration");
+            r2(getUrl('home'), 's', "Extend until $expiration");
         } else {
-            r2(U . 'home', 'e', "Plan is not expired");
+            r2(getUrl('home'), 'e', "Plan is not expired");
         }
     } else {
-        r2(U . 'home', 'e', "Plan Not Found or Not Active");
+        r2(getUrl('home'), 'e', "Plan Not Found or Not Active");
     }
 } else if (isset($_GET['deactivate']) && !empty($_GET['deactivate'])) {
     $bill = ORM::for_table('tbl_user_recharges')->where('id', $_GET['deactivate'])->where('username', $user['username'])->findOne();
@@ -228,9 +228,9 @@ if (isset($_GET['recharge']) && !empty($_GET['recharge'])) {
         $bill->save();
         _log('User ' . $bill['username'] . ' Deactivate ' . $bill['namebp'], 'Customer', $bill['customer_id']);
         Message::sendTelegram('User u' . $bill['username'] . ' Deactivate ' . $bill['namebp']);
-        r2(U . 'home', 's', 'Success deactivate ' . $bill['namebp']);
+        r2(getUrl('home'), 's', 'Success deactivate ' . $bill['namebp']);
     } else {
-        r2(U . 'home', 'e', 'No Active Plan');
+        r2(getUrl('home'), 'e', 'No Active Plan');
     }
 }
 
@@ -245,10 +245,10 @@ if (!empty($_SESSION['nux-mac']) && !empty($_SESSION['nux-ip'] && $_c['hs_auth_m
             require_once $dvc;
             if ($_GET['mikrotik'] == 'login') {
                 (new $p['device'])->connect_customer($user, $_SESSION['nux-ip'], $_SESSION['nux-mac'], $bill['routers']);
-                r2(U . 'home', 's', Lang::T('Login Request successfully'));
+                r2(getUrl('home'), 's', Lang::T('Login Request successfully'));
             } else if ($_GET['mikrotik'] == 'logout') {
                 (new $p['device'])->disconnect_customer($user, $bill['routers']);
-                r2(U . 'home', 's', Lang::T('Logout Request successfully'));
+                r2(getUrl('home'), 's', Lang::T('Logout Request successfully'));
             }
         } else {
             new Exception(Lang::T("Devices Not Found"));
@@ -269,16 +269,16 @@ if (!empty($_SESSION['nux-mac']) && !empty($_SESSION['nux-ip'] && !empty($_SESSI
     $ui->assign('logged', $_GET['logged']);
     if ($_app_stage != 'demo') {
         if ($_GET['mikrotik'] == 'login') {
-            r2(U . 'home&hchap=true', 's', Lang::T('Login Request successfully'));
+            r2(getUrl('home&hchap=true'), 's', Lang::T('Login Request successfully'));
         }
         $getmsg = $_GET['msg'];
         ///get auth notification from mikrotik
         if ($getmsg == 'Connected') {
             $msg .= Lang::T($getmsg);
-            r2(U . 'home&logged=1', 's', $msg);
+            r2(getUrl('home&logged=1'), 's', $msg);
         } else if ($getmsg) {
             $msg .= Lang::T($getmsg);
-            r2(U . 'home', 's', $msg);
+            r2(getUrl('home'), 's', $msg);
         }
     }
 }
@@ -296,16 +296,16 @@ if (!empty($_SESSION['nux-mac']) && !empty($_SESSION['nux-ip'] && !empty($_SESSI
     $ui->assign('logged', $_GET['logged']);
     if ($_app_stage != 'demo') {
         if ($_GET['mikrotik'] == 'login') {
-            r2(U . 'home&hchap=true', 's', Lang::T('Login Request successfully'));
+            r2(getUrl('home&hchap=true'), 's', Lang::T('Login Request successfully'));
         }
         $getmsg = $_GET['msg'];
         ///get auth notification from mikrotik
         if ($getmsg == 'Connected') {
             $msg .= Lang::T($getmsg);
-            r2(U . 'home&logged=1', 's', $msg);
+            r2(getUrl('home&logged=1'), 's', $msg);
         } else if ($getmsg) {
             $msg .= Lang::T($getmsg);
-            r2(U . 'home', 's', $msg);
+            r2(getUrl('home'), 's', $msg);
         }
     }
 }
diff --git a/system/controllers/login.php b/system/controllers/login.php
index 736e5b2a..ec6c9013 100644
--- a/system/controllers/login.php
+++ b/system/controllers/login.php
@@ -11,7 +11,7 @@ if ($maintenance_mode == true) {
 }
 
 if (User::getID()) {
-    r2(U . 'home');
+    r2(getUrl('home'));
 }
 
 if (isset($routes['1'])) {
@@ -27,7 +27,7 @@ switch ($do) {
         $csrf_token = _post('csrf_token');
         if (!Csrf::check($csrf_token)) {
             _msglog('e', Lang::T('Invalid or Expired CSRF Token'));
-            r2(U . 'login');
+            r2(getUrl('login'));
         }
         run_hook('customer_login'); #HOOK
         if ($username != '' and $password != '') {
@@ -54,15 +54,15 @@ switch ($do) {
                 } else {
                     _msglog('e', Lang::T('Invalid Username or Password'));
                     _log($username . ' ' . Lang::T('Failed Login'), 'User');
-                    r2(U . 'login');
+                    r2(getUrl('login'));
                 }
             } else {
                 _msglog('e', Lang::T('Invalid Username or Password'));
-                r2(U . 'login');
+                r2(getUrl('login'));
             }
         } else {
             _msglog('e', Lang::T('Invalid Username or Password'));
-            r2(U . 'login');
+            r2(getUrl('login'));
         }
 
         break;
@@ -72,7 +72,7 @@ switch ($do) {
             $csrf_token = _post('csrf_token');
             if (!Csrf::check($csrf_token)) {
                 _msglog('e', Lang::T('Invalid or Expired CSRF Token'));
-                r2(U . 'login');
+                r2(getUrl('login'));
             }
             $voucher = Text::alphanumeric(_post('voucher_only'), "-_.,");
             $tur = ORM::for_table('tbl_user_recharges')
@@ -103,7 +103,7 @@ switch ($do) {
                             if (!empty($config['voucher_redirect'])) {
                                 r2($config['voucher_redirect'], 's', Lang::T("Voucher activation success, now you can login"));
                             } else {
-                                r2(U . "login", 's', Lang::T("Voucher activation success, now you can login"));
+                                r2(getUrl('login'), 's', Lang::T("Voucher activation success, now you can login"));
                             }
                         } else {
                             new Exception(Lang::T("Devices Not Found"));
@@ -112,7 +112,7 @@ switch ($do) {
                     if (!empty($config['voucher_redirect'])) {
                         _alert(Lang::T("Voucher activation success, now you can login"), 'danger', $config['voucher_redirect']);
                     } else {
-                        r2(U . "login", 's', Lang::T("Voucher activation success, you are connected to internet"));
+                        r2(getUrl('login'), 's', Lang::T("Voucher activation success, you are connected to internet"));
                     }
                 } else {
                     _alert(Lang::T('Internet Plan Expired'), 'danger', "login");
@@ -148,7 +148,7 @@ switch ($do) {
                                         if (!empty($config['voucher_redirect'])) {
                                             r2($config['voucher_redirect'], 's', Lang::T("Voucher activation success, now you can login"));
                                         } else {
-                                            r2(U . "login", 's', Lang::T("Voucher activation success, now you can login"));
+                                            r2(getUrl('login'), 's', Lang::T("Voucher activation success, now you can login"));
                                         }
                                     } else {
                                         new Exception(Lang::T("Devices Not Found"));
@@ -157,7 +157,7 @@ switch ($do) {
                                 if (!empty($config['voucher_redirect'])) {
                                     _alert(Lang::T("Voucher activation success, now you can login"), 'danger', $config['voucher_redirect']);
                                 } else {
-                                    r2(U . "login", 's', Lang::T("Voucher activation success, you are connected to internet"));
+                                    r2(getUrl('login'), 's', Lang::T("Voucher activation success, you are connected to internet"));
                                 }
                             } else {
                                 _alert(Lang::T('Internet Plan Expired'), 'danger', "login");
@@ -190,11 +190,11 @@ switch ($do) {
                     if ($d->save()) {
                         $user = ORM::for_table('tbl_customers')->where('username', $username)->find_one($d->id());
                         if (!$user) {
-                            r2(U . 'login', 'e', Lang::T('Voucher activation failed'));
+                            r2(getUrl('login'), 'e', Lang::T('Voucher activation failed'));
                         }
                     } else {
                         _alert(Lang::T('Login Successful'), 'success', "dashboard");
-                        r2(U . 'login', 'e', Lang::T('Voucher activation failed') . '.');
+                        r2(getUrl('login'), 'e', Lang::T('Voucher activation failed') . '.');
                     }
                 }
                 if ($v1['status'] == 0) {
@@ -222,7 +222,7 @@ switch ($do) {
                                         if (!empty($config['voucher_redirect'])) {
                                             r2($config['voucher_redirect'], 's', Lang::T("Voucher activation success, now you can login"));
                                         } else {
-                                            r2(U . "login", 's', Lang::T("Voucher activation success, now you can login"));
+                                            r2(getUrl('login'), 's', Lang::T("Voucher activation success, now you can login"));
                                         }
                                     } else {
                                         new Exception(Lang::T("Devices Not Found"));
@@ -231,26 +231,26 @@ switch ($do) {
                                 if (!empty($config['voucher_redirect'])) {
                                     r2($config['voucher_redirect'], 's', Lang::T("Voucher activation success, you are connected to internet"));
                                 } else {
-                                    r2(U . "login", 's', Lang::T("Voucher activation success, you are connected to internet"));
+                                    r2(getUrl('login'), 's', Lang::T("Voucher activation success, you are connected to internet"));
                                 }
                             } catch (Exception $e) {
                                 if (!empty($config['voucher_redirect'])) {
                                     r2($config['voucher_redirect'], 's', Lang::T("Voucher activation success, now you can login"));
                                 } else {
-                                    r2(U . "login", 's', Lang::T("Voucher activation success, now you can login"));
+                                    r2(getUrl('login'), 's', Lang::T("Voucher activation success, now you can login"));
                                 }
                             }
                         }
                         if (!empty($config['voucher_redirect'])) {
                             r2($config['voucher_redirect'], 's', Lang::T("Voucher activation success, now you can login"));
                         } else {
-                            r2(U . "login", 's', Lang::T("Voucher activation success, now you can login"));
+                            r2(getUrl('login'), 's', Lang::T("Voucher activation success, now you can login"));
                         }
                     } else {
                         // if failed to recharge, restore old password
                         $user->password = $oldPass;
                         $user->save();
-                        r2(U . 'login', 'e', Lang::T("Failed to activate voucher"));
+                        r2(getUrl('login'), 'e', Lang::T("Failed to activate voucher"));
                     }
                 } else {
                     // used voucher
@@ -269,7 +269,7 @@ switch ($do) {
                                         if (!empty($config['voucher_redirect'])) {
                                             r2($config['voucher_redirect'], 's', Lang::T("Voucher activation success, now you can login"));
                                         } else {
-                                            r2(U . "login", 's', Lang::T("Voucher activation success, now you can login"));
+                                            r2(getUrl('login'), 's', Lang::T("Voucher activation success, now you can login"));
                                         }
                                     } else {
                                         new Exception(Lang::T("Devices Not Found"));
@@ -278,30 +278,30 @@ switch ($do) {
                                 if (!empty($config['voucher_redirect'])) {
                                     r2($config['voucher_redirect'], 's', Lang::T("Voucher activation success, you are connected to internet"));
                                 } else {
-                                    r2(U . "login", 's', Lang::T("Voucher activation success, now you can login"));
+                                    r2(getUrl('login'), 's', Lang::T("Voucher activation success, now you can login"));
                                 }
                             } catch (Exception $e) {
                                 if (!empty($config['voucher_redirect'])) {
                                     r2($config['voucher_redirect'], 's', Lang::T("Voucher activation success, now you can login"));
                                 } else {
-                                    r2(U . "login", 's', Lang::T("Voucher activation success, now you can login"));
+                                    r2(getUrl('login'), 's', Lang::T("Voucher activation success, now you can login"));
                                 }
                             }
                         } else {
                             if (!empty($config['voucher_redirect'])) {
                                 r2($config['voucher_redirect'], 's', Lang::T("Voucher activation success, you are connected to internet"));
                             } else {
-                                r2(U . "login", 's', Lang::T("Voucher activation success, now you can login"));
+                                r2(getUrl('login'), 's', Lang::T("Voucher activation success, now you can login"));
                             }
                         }
                     } else {
                         // voucher used by other customer
-                        r2(U . 'login', 'e', Lang::T('Voucher Not Valid'));
+                        r2(getUrl('login'), 'e', Lang::T('Voucher Not Valid'));
                     }
                 }
             } else {
                 _msglog('e', Lang::T('Invalid Username or Password'));
-                r2(U . 'login');
+                r2(getUrl('login'));
             }
         }
     default:
diff --git a/system/controllers/logs.php b/system/controllers/logs.php
index 93b4c849..7a6a752c 100644
--- a/system/controllers/logs.php
+++ b/system/controllers/logs.php
@@ -85,7 +85,7 @@ switch ($action) {
         $keep = _post('keep');
         if (!empty($keep)) {
             ORM::raw_execute("DELETE FROM tbl_logs WHERE UNIX_TIMESTAMP(date) < UNIX_TIMESTAMP(DATE_SUB(NOW(), INTERVAL $keep DAY))");
-            r2(U . "logs/list/", 's', "Delete logs older than $keep days");
+            r2(getUrl('logs/list/'), 's', "Delete logs older than $keep days");
         }
         if ($q != '') {
             $query = ORM::for_table('tbl_logs')->where_like('description', '%' . $q . '%')->order_by_desc('id');
@@ -104,7 +104,7 @@ switch ($action) {
         $keep = _post('keep');
         if (!empty($keep)) {
             ORM::raw_execute("DELETE FROM radpostauth WHERE UNIX_TIMESTAMP(authdate) < UNIX_TIMESTAMP(DATE_SUB(NOW(), INTERVAL $keep DAY))", [], 'radius');
-            r2(U . "logs/radius/", 's', "Delete logs older than $keep days");
+            r2(getUrl('logs/radius/'), 's', "Delete logs older than $keep days");
         }
         if ($q != '') {
             $query = ORM::for_table('radpostauth', 'radius')->where_like('username', '%' . $q . '%')->order_by_desc('id');
@@ -121,5 +121,5 @@ switch ($action) {
 
 
     default:
-        r2(U . 'logs/list/', 's', '');
+        r2(getUrl('logs/list/'), 's', '');
 }
diff --git a/system/controllers/mail.php b/system/controllers/mail.php
index 32c41bbc..08a4a527 100644
--- a/system/controllers/mail.php
+++ b/system/controllers/mail.php
@@ -14,7 +14,7 @@ switch ($action) {
     case 'view':
         $mail = ORM::for_table('tbl_customers_inbox')->where('customer_id', $user['id'])->find_one($routes['2']);
         if(!$mail){
-            r2(U. 'mail', 'e', Lang::T('Message Not Found'));
+            r2(getUrl('mail'), 'e', Lang::T('Message Not Found'));
         }
         if($mail['date_read'] == null){
             $mail->date_read = date('Y-m-d H:i:s');
@@ -34,9 +34,9 @@ switch ($action) {
     case 'delete':
         if($routes['2']){
             if(ORM::for_table('tbl_customers_inbox')->where('customer_id', $user['id'])->where('id', $routes['2'])->find_one()->delete()){
-                r2(U. 'mail', 's', Lang::T('Mail Deleted Successfully'));
+                r2(getUrl('mail'), 's', Lang::T('Mail Deleted Successfully'));
             }else{
-                r2(U. 'home', 'e', Lang::T('Failed to Delete Message'));
+                r2(getUrl('home'), 'e', Lang::T('Failed to Delete Message'));
             }
             break;
         }
diff --git a/system/controllers/map.php b/system/controllers/map.php
index 9ef08270..28e24dc8 100644
--- a/system/controllers/map.php
+++ b/system/controllers/map.php
@@ -49,6 +49,6 @@ switch ($action) {
         break;
 
     default:
-        r2(U . 'map/customer', 'e', 'action not defined');
+        r2(getUrl('map/customer'), 'e', 'action not defined');
         break;
 }
diff --git a/system/controllers/message.php b/system/controllers/message.php
index c9c9f691..6733db2d 100644
--- a/system/controllers/message.php
+++ b/system/controllers/message.php
@@ -62,7 +62,7 @@ EOT;
 
         // Check if fields are empty
         if ($id_customer == '' or $message == '' or $via == '') {
-            r2(U . 'message/send', 'e', Lang::T('All field is required'));
+            r2(getUrl('message/send'), 'e', Lang::T('All field is required'));
         } else {
             // Get customer details from the database
             $c = ORM::for_table('tbl_customers')->find_one($id_customer);
@@ -84,9 +84,9 @@ EOT;
             }
 
             if (isset($smsSent) || isset($waSent)) {
-                r2(U . 'message/send', 's', Lang::T('Message Sent Successfully'));
+                r2(getUrl('message/send'), 's', Lang::T('Message Sent Successfully'));
             } else {
-                r2(U . 'message/send', 'e', Lang::T('Failed to send message'));
+                r2(getUrl('message/send'), 'e', Lang::T('Failed to send message'));
             }
         }
         break;
@@ -114,7 +114,7 @@ EOT;
         if (_req('send') == 'now') {
             // Check if fields are empty
             if ($group == '' || $message == '' || $via == '') {
-                r2(U . 'message/send_bulk', 'e', Lang::T('All fields are required'));
+                r2(getUrl('message/send_bulk'), 'e', Lang::T('All fields are required'));
             } else {
                 // Get customer details from the database based on the selected group
                 if ($group == 'all') {
@@ -234,5 +234,5 @@ EOT;
         break;
 
     default:
-        r2(U . 'message/send_sms', 'e', 'action not defined');
+        r2(getUrl('message/send_sms'), 'e', 'action not defined');
 }
diff --git a/system/controllers/order.php b/system/controllers/order.php
index 68e95a10..702f56a4 100644
--- a/system/controllers/order.php
+++ b/system/controllers/order.php
@@ -34,7 +34,7 @@ switch ($action) {
         break;
     case 'balance':
         if (strpos($user['email'], '@') === false) {
-            r2(U . 'accounts/profile', 'e', Lang::T("Please enter your email address"));
+            r2(getUrl('accounts/profile'), 'e', Lang::T("Please enter your email address"));
         }
         $ui->assign('_title', 'Top Up');
         $ui->assign('_system_menu', 'balance');
@@ -44,7 +44,7 @@ switch ($action) {
         break;
     case 'package':
         if (strpos($user['email'], '@') === false) {
-            r2(U . 'accounts/profile', 'e', Lang::T("Please enter your email address"));
+            r2(getUrl('accounts/profile'), 'e', Lang::T("Please enter your email address"));
         }
         $ui->assign('_title', 'Order Plan');
         $ui->assign('_system_menu', 'package');
@@ -144,12 +144,12 @@ switch ($action) {
         r_find_unpaid'); #HOOK
         if ($d) {
             if (empty($d['pg_url_payment'])) {
-                r2(U . "order/buy/" . $trx['routers_id'] . '/' . $trx['plan_id'], 'w', Lang::T("Checking payment"));
+                r2(getUrl('order/buy/') . $trx['routers_id'] . '/' . $trx['plan_id'], 'w', Lang::T("Checking payment"));
             } else {
-                r2(U . "order/view/" . $d['id'] . '/check/', 's', Lang::T("You have unpaid transaction"));
+                r2(getUrl('order/view/') . $d['id'] . '/check/', 's', Lang::T("You have unpaid transaction"));
             }
         } else {
-            r2(U . "order/package/", 's', Lang::T("You have no unpaid transaction"));
+            r2(getUrl('order/package/'), 's', Lang::T("You have no unpaid transaction"));
         }
         break;
     case 'view':
@@ -160,15 +160,15 @@ switch ($action) {
         run_hook('customer_view_payment'); #HOOK
         // jika tidak ditemukan, berarti punya orang lain
         if (empty($trx)) {
-            r2(U . "order/package", 'w', Lang::T("Payment not found"));
+            r2(getUrl('order/package'), 'w', Lang::T("Payment not found"));
         }
         // jika url kosong, balikin ke buy, kecuali cancel
         if ($trx['status'] == 1 && empty($trx['pg_url_payment']) && $routes['3'] != 'cancel') {
-            r2(U . "order/buy/" . (($trx['routers_id'] == 0) ? $trx['routers'] : $trx['routers_id']) . '/' . $trx['plan_id'], 'w', Lang::T("Checking payment"));
+            r2(getUrl('order/buy/') . (($trx['routers_id'] == 0) ? $trx['routers'] : $trx['routers_id']) . '/' . $trx['plan_id'], 'w', Lang::T("Checking payment"));
         }
         if ($routes['3'] == 'check') {
             if (!file_exists($PAYMENTGATEWAY_PATH . DIRECTORY_SEPARATOR . $trx['gateway'] . '.php')) {
-                r2(U . 'order/view/' . $trxid, 'e', Lang::T("No Payment Gateway Available"));
+                r2(getUrl('order/view/') . $trxid, 'e', Lang::T("No Payment Gateway Available"));
             }
             run_hook('customer_check_payment_status'); #HOOK
             include $PAYMENTGATEWAY_PATH . DIRECTORY_SEPARATOR . $trx['gateway'] . '.php';
@@ -185,7 +185,7 @@ switch ($action) {
                 ->find_one($trxid);
         }
         if (empty($trx)) {
-            r2(U . "order/package", 'e', Lang::T("Transaction Not found"));
+            r2(getUrl('order/package'), 'e', Lang::T("Transaction Not found"));
         }
 
         $router = ORM::for_table('tbl_routers')->where('name', $trx['routers'])->find_one();
@@ -202,10 +202,10 @@ switch ($action) {
         break;
     case 'pay':
         if ($config['enable_balance'] != 'yes') {
-            r2(U . "order/package", 'e', Lang::T("Balance not enabled"));
+            r2(getUrl('order/package'), 'e', Lang::T("Balance not enabled"));
         }
         if (!empty(App::getTokenValue($_GET['stoken']))) {
-            r2(U . "voucher/invoice/");
+            r2(getUrl('voucher/invoice/'));
             die();
         }
         if ($user['status'] != 'Active') {
@@ -213,7 +213,7 @@ switch ($action) {
         }
         $plan = ORM::for_table('tbl_plans')->find_one($routes[3]);
         if (!$plan) {
-            r2(U . "order/package", 'e', Lang::T("Plan Not found"));
+            r2(getUrl('order/package'), 'e', Lang::T("Plan Not found"));
         }
         if ($plan['is_radius'] == '1') {
             $router_name = 'radius';
@@ -247,21 +247,21 @@ switch ($action) {
                 // if success, then get the balance
                 Balance::min($user['id'], $total_cost);
                 App::setToken($_GET['stoken'], "success");
-                r2(U . "voucher/invoice/", 's', Lang::T("Success to buy package"));
+                r2(getUrl('voucher/invoice/'), 's', Lang::T("Success to buy package"));
             } else {
-                r2(U . "order/package", 'e', Lang::T("Failed to buy package"));
+                r2(getUrl('order/package'), 'e', Lang::T("Failed to buy package"));
                 Message::sendTelegram("Buy Package with Balance Failed\n\n#u$c[username] #buy \n" . $plan['name_plan'] .
                     "\nRouter: " . $router_name .
                     "\nPrice: " . $total_cost);
             }
         } else {
-            r2(U . "order/gateway/$routes[2]/$routes[3]", 'e', Lang::T("Insufficient balance"));
+            r2(getUrl('order/gateway/$routes[2]/$routes[3]'), 'e', Lang::T("Insufficient balance"));
         }
         break;
 
     case 'send':
         if ($config['enable_balance'] != 'yes') {
-            r2(U . "order/package", 'e', Lang::T("Balance not enabled"));
+            r2(getUrl('order/package'), 'e', Lang::T("Balance not enabled"));
         }
         if ($user['status'] != 'Active') {
             _alert(Lang::T('This account status') . ' : ' . Lang::T($user['status']), 'danger', "");
@@ -270,10 +270,10 @@ switch ($action) {
         $ui->assign('_system_menu', 'package');
         $plan = ORM::for_table('tbl_plans')->find_one($routes['3']);
         if (empty($plan)) {
-            r2(U . "order/package", 'e', Lang::T("Plan Not found"));
+            r2(getUrl('order/package'), 'e', Lang::T("Plan Not found"));
         }
         if (!$plan['enabled']) {
-            r2(U . "home", 'e', 'Plan is not exists');
+            r2(getUrl('home'), 'e', 'Plan is not exists');
         }
         if ($plan['is_radius'] == '1') {
             $routes['2'] = 0;
@@ -312,13 +312,13 @@ switch ($action) {
             }
 
             if (!$target) {
-                r2(U . 'home', 'd', Lang::T('Username not found'));
+                r2(getUrl('home'), 'd', Lang::T('Username not found'));
             }
             if ($user['balance'] < $plan['price']) {
-                r2(U . 'home', 'd', Lang::T('insufficient balance'));
+                r2(getUrl('home'), 'd', Lang::T('insufficient balance'));
             }
             if ($user['username'] == $target['username']) {
-                r2(U . "order/pay/$routes[2]/$routes[3]", 's', '^_^ v');
+                r2(getUrl('order/pay/$routes[2]/$routes[3]'), 's', '^_^ v');
             }
             $active = ORM::for_table('tbl_user_recharges')
                 ->where('username', _post('username'))
@@ -326,7 +326,7 @@ switch ($action) {
                 ->find_one();
 
             if ($active && $active['plan_id'] != $plan['id']) {
-                r2(U . "order/package", 'e', Lang::T("Target has active plan, different with current plant.") . " [ <b>$active[namebp]</b> ]");
+                r2(getUrl('order/package'), 'e', Lang::T("Target has active plan, different with current plant.") . " [ <b>$active[namebp]</b> ]");
             }
             $result = Package::rechargeUser($target['id'], $router_name, $plan['id'], $user['username'], 'Balance');
             if (!empty($result)) {
@@ -371,7 +371,7 @@ switch ($action) {
                 $d->trx_invoice = $result;
                 $d->status = 2;
                 $d->save();
-                r2(U . "order/view/$trx_id", 's', Lang::T("Success to send package"));
+                r2(getUrl('order/view/$trx_id'), 's', Lang::T("Success to send package"));
             } else {
                 $errorMessage = "Send Package with Balance Failed\n\n#u$user[username] #send \n" . $plan['name_plan'] .
                     "\nRouter: " . $router_name .
@@ -381,7 +381,7 @@ switch ($action) {
                     $errorMessage .= "\nTax: " . $tax;
                 }
 
-                r2(U . "order/package", 'e', Lang::T("Failed to Send package"));
+                r2(getUrl('order/package'), 'e', Lang::T("Failed to Send package"));
                 Message::sendTelegram($errorMessage);
             }
         }
@@ -395,7 +395,7 @@ switch ($action) {
         $ui->assign('_title', Lang::T('Select Payment Gateway'));
         $ui->assign('_system_menu', 'package');
         if (strpos($user['email'], '@') === false) {
-            r2(U . 'accounts/profile', 'e', Lang::T("Please enter your email address"));
+            r2(getUrl('accounts/profile'), 'e', Lang::T("Please enter your email address"));
         }
         $tax_enable = isset($config['enable_tax']) ? $config['enable_tax'] : 'no';
         $tax_rate_setting = isset($config['tax_rate']) ? $config['tax_rate'] : null;
@@ -503,7 +503,7 @@ switch ($action) {
         if (count($pgs) == 0) {
             sendTelegram("Payment Gateway not set, please set it in Settings");
             _log(Lang::T("Payment Gateway not set, please set it in Settings"));
-            r2(U . "home", 'e', Lang::T("Failed to create Transaction.."));
+            r2(getUrl('home'), 'e', Lang::T("Failed to create Transaction.."));
         }
         if (count($pgs) > 0) {
             $ui->assign('pgs', $pgs);
@@ -516,7 +516,7 @@ switch ($action) {
                     $ui->assign('custom', '1');
                     $ui->assign('amount', _post('amount'));
                 } else {
-                    r2(U . "order/balance", 'e', Lang::T("Please enter amount"));
+                    r2(getUrl('order/balance'), 'e', Lang::T("Please enter amount"));
                 }
             }
 
@@ -530,14 +530,14 @@ switch ($action) {
         } else {
             sendTelegram("Payment Gateway not set, please set it in Settings");
             _log(Lang::T("Payment Gateway not set, please set it in Settings"));
-            r2(U . "home", 'e', Lang::T("Failed to create Transaction.."));
+            r2(getUrl('home'), 'e', Lang::T("Failed to create Transaction.."));
         }
     case 'buy':
         $gateway = _post('gateway');
         $discount = _post('discount') ?: 0;
         if ($gateway == 'balance') {
             unset($_SESSION['gateway']);
-            r2(U . 'order/pay/' . $routes[2] . '/' . $routes[3]);
+            r2(getUrl('order/pay/') . $routes[2] . '/' . $routes[3]);
         }
         if (empty($gateway) && !empty($_SESSION['gateway'])) {
             $gateway = $_SESSION['gateway'];
@@ -548,7 +548,7 @@ switch ($action) {
             _alert(Lang::T('This account status') . ' : ' . Lang::T($user['status']), 'danger', "");
         }
         if (empty($gateway)) {
-            r2(U . 'order/gateway/' . $routes[2] . '/' . $routes[3], 'w', Lang::T("Please select Payment Gateway"));
+            r2(getUrl('order/gateway/') . $routes[2] . '/' . $routes[3], 'w', Lang::T("Please select Payment Gateway"));
         }
         run_hook('customer_buy_plan'); #HOOK
         include $PAYMENTGATEWAY_PATH . DIRECTORY_SEPARATOR . $gateway . '.php';
@@ -560,7 +560,7 @@ switch ($action) {
                 $amount = (float) $amount;
 
                 if ($amount <= 0) {
-                    r2(U . "order/gateway/" . $routes[2] . '/' . $routes[3], 'w', Lang::T("Please enter amount"));
+                    r2(getUrl('order/gateway/') . $routes[2] . '/' . $routes[3], 'w', Lang::T("Please enter amount"));
                 }
 
                 $d = ORM::for_table('tbl_payment_gateway')
@@ -569,7 +569,7 @@ switch ($action) {
                     ->find_one();
                 if ($d) {
                     if ($d['pg_url_payment']) {
-                        r2(U . "order/view/" . $d['id'], 'w', Lang::T("You already have unpaid transaction, cancel it or pay it."));
+                        r2(getUrl('order/view/') . $d['id'], 'w', Lang::T("You already have unpaid transaction, cancel it or pay it."));
                     } else {
                         if ($gateway == $d['gateway']) {
                             $id = $d['id'];
@@ -606,7 +606,7 @@ switch ($action) {
                     $router['name'] = 'balance';
                 }
                 if (empty($router) || empty($plan)) {
-                    r2(U . "order/package", 'e', Lang::T("Plan Not found"));
+                    r2(getUrl('order/package'), 'e', Lang::T("Plan Not found"));
                 }
                 $d = ORM::for_table('tbl_payment_gateway')
                     ->where('username', $user['username'])
@@ -614,7 +614,7 @@ switch ($action) {
                     ->find_one();
                 if ($d) {
                     if ($d['pg_url_payment']) {
-                        r2(U . "order/view/" . $d['id'], 'w', Lang::T("You already have unpaid transaction, cancel it or pay it."));
+                        r2(getUrl('order/view/') . $d['id'], 'w', Lang::T("You already have unpaid transaction, cancel it or pay it."));
                     } else {
                         if ($gateway == $d['gateway']) {
                             $id = $d['id'];
@@ -693,11 +693,11 @@ switch ($action) {
                 break;
         }
         if (!$id) {
-            r2(U . "order/package/" . $d['id'], 'e', Lang::T("Failed to create Transaction.."));
+            r2(getUrl('order/package/') . $d['id'], 'e', Lang::T("Failed to create Transaction.."));
         } else {
             call_user_func($gateway . '_create_transaction', $d, $user);
         }
         break;
     default:
-        r2(U . "order/package/", 's', '');
+        r2(getUrl('order/package/'), 's', '');
 }
diff --git a/system/controllers/pages.php b/system/controllers/pages.php
index 0260238d..bf80ab79 100644
--- a/system/controllers/pages.php
+++ b/system/controllers/pages.php
@@ -26,7 +26,7 @@ if (strpos($action, "-reset") !== false) {
     } else {
         file_put_contents($path, Http::getData('https://raw.githubusercontent.com/hotspotbilling/phpnuxbill/master/pages_template/' . $action . '.html'));
     }
-    r2(U . 'pages/' . $action);
+    r2(getUrl('pages/') . $action);
 } else if (strpos($action, "-post") === false) {
     if (!in_array($admin['user_type'], ['SuperAdmin', 'Admin'])) {
         _alert(Lang::T('You do not have permission to access this page'), 'danger', "dashboard");
@@ -78,9 +78,9 @@ if (strpos($action, "-reset") !== false) {
                     file_put_contents("$PAGES_PATH/vouchers/" . _post('template_name') . '.html', $html);
                 }
             }
-            r2(U . 'pages/' . $action, 's', Lang::T("Saving page success"));
+            r2(getUrl('pages/') . $action, 's', Lang::T("Saving page success"));
         } else {
-            r2(U . 'pages/' . $action, 'e', Lang::T("Failed to save page, make sure i can write to folder pages, <i>chmod 664 pages/*.html<i>"));
+            r2(getUrl('pages/') . $action, 'e', Lang::T("Failed to save page, make sure i can write to folder pages, <i>chmod 664 pages/*.html<i>"));
         }
     } else
         $ui->display('a404.tpl');
diff --git a/system/controllers/paymentgateway.php b/system/controllers/paymentgateway.php
index 7183551f..a6ea1ff1 100644
--- a/system/controllers/paymentgateway.php
+++ b/system/controllers/paymentgateway.php
@@ -16,7 +16,7 @@ switch ($action) {
         if (file_exists($PAYMENTGATEWAY_PATH . DIRECTORY_SEPARATOR . $pg . '.php')) {
             deleteFile($PAYMENTGATEWAY_PATH . DIRECTORY_SEPARATOR, $pg);
         }
-        r2(U . 'paymentgateway', 's', Lang::T('Payment Gateway Deleted'));
+        r2(getUrl('paymentgateway'), 's', Lang::T('Payment Gateway Deleted'));
 
     case 'audit':
         $pg = alphanumeric($routes[2]);
@@ -61,7 +61,7 @@ switch ($action) {
                 $d->value = $pgs;
                 $d->save();
             }
-            r2(U . 'paymentgateway', 's', Lang::T('Payment Gateway saved successfully'));
+            r2(getUrl('paymentgateway'), 's', Lang::T('Payment Gateway saved successfully'));
         }
 
         if (file_exists($PAYMENTGATEWAY_PATH . DIRECTORY_SEPARATOR . $action . '.php')) {
@@ -81,7 +81,7 @@ switch ($action) {
             }
         } else {
             if (!empty($action)) {
-                r2(U . 'paymentgateway', 'w', Lang::T('Payment Gateway Not Found'));
+                r2(getUrl('paymentgateway'), 'w', Lang::T('Payment Gateway Not Found'));
             } else {
                 $files = scandir($PAYMENTGATEWAY_PATH);
                 foreach ($files as $file) {
diff --git a/system/controllers/plan.php b/system/controllers/plan.php
index 59112501..fbfaae81 100644
--- a/system/controllers/plan.php
+++ b/system/controllers/plan.php
@@ -66,7 +66,7 @@ switch ($action) {
                 $log .= "PLAN NOT FOUND : $tur[username], $tur[namebp], $tur[type], $tur[routers]<br>";
             }
         }
-        r2(U . 'plan/list', 's', $log);
+        r2(getUrl('plan/list'), 's', $log);
     case 'recharge':
         if (!in_array($admin['user_type'], ['SuperAdmin', 'Admin', 'Agent', 'Sales'])) {
             _alert(Lang::T('You do not have permission to access this page'), 'danger', "dashboard");
@@ -127,13 +127,13 @@ switch ($action) {
 
             if ($using == 'balance' && $config['enable_balance'] == 'yes') {
                 if (!$cust) {
-                    r2(U . 'plan/recharge', 'e', Lang::T('Customer not found'));
+                    r2(getUrl('plan/recharge'), 'e', Lang::T('Customer not found'));
                 }
                 if (!$plan) {
-                    r2(U . 'plan/recharge', 'e', Lang::T('Plan not found'));
+                    r2(getUrl('plan/recharge'), 'e', Lang::T('Plan not found'));
                 }
                 if ($cust['balance'] < $total_cost) {
-                    r2(U . 'plan/recharge', 'e', Lang::T('insufficient balance'));
+                    r2(getUrl('plan/recharge'), 'e', Lang::T('insufficient balance'));
                 }
                 $gateway = 'Recharge Balance';
             }
@@ -160,7 +160,7 @@ switch ($action) {
             $ui->assign('plan', $plan);
             $ui->display('recharge-confirm.tpl');
         } else {
-            r2(U . 'plan/recharge', 'e', $msg);
+            r2(getUrl('plan/recharge'), 'e', $msg);
         }
         break;
 
@@ -217,13 +217,13 @@ switch ($action) {
             if ($using == 'balance' && $config['enable_balance'] == 'yes') {
                 //$plan = ORM::for_table('tbl_plans')->find_one($planId);
                 if (!$cust) {
-                    r2(U . 'plan/recharge', 'e', Lang::T('Customer not found'));
+                    r2(getUrl('plan/recharge'), 'e', Lang::T('Customer not found'));
                 }
                 if (!$plan) {
-                    r2(U . 'plan/recharge', 'e', Lang::T('Plan not found'));
+                    r2(getUrl('plan/recharge'), 'e', Lang::T('Plan not found'));
                 }
                 if ($cust['balance'] < $total_cost) {
-                    r2(U . 'plan/recharge', 'e', Lang::T('insufficient balance'));
+                    r2(getUrl('plan/recharge'), 'e', Lang::T('insufficient balance'));
                 }
                 $gateway = 'Recharge Balance';
             }
@@ -242,10 +242,10 @@ switch ($action) {
                 $ui->display('invoice.tpl');
                 _log('[' . $admin['username'] . ']: ' . 'Recharge ' . $cust['username'] . ' [' . $in['plan_name'] . '][' . Lang::moneyFormat($in['price']) . ']', $admin['user_type'], $admin['id']);
             } else {
-                r2(U . 'plan/recharge', 'e', "Failed to recharge account");
+                r2(getUrl('plan/recharge'), 'e', "Failed to recharge account");
             }
         } else {
-            r2(U . 'plan/recharge', 'e', $msg);
+            r2(getUrl('plan/recharge'), 'e', $msg);
         }
         break;
 
@@ -257,9 +257,9 @@ switch ($action) {
             $c = ORM::for_table('tbl_customers')->where('username', $in['username'])->find_one();
             if ($c) {
                 Message::sendInvoice($c, $in);
-                r2(U . 'plan/view/' . $id, 's', "Success send to customer");
+                r2(getUrl('plan/view/') . $id, 's', "Success send to customer");
             }
-            r2(U . 'plan/view/' . $id, 'd', "Customer not found");
+            r2(getUrl('plan/view/') . $id, 'd', "Customer not found");
         }
         Package::createInvoice($in);
         $ui->assign('_title', 'View Invoice');
@@ -314,7 +314,7 @@ switch ($action) {
             $ui->assign('_title', 'Edit Plan');
             $ui->display('plan-edit.tpl');
         } else {
-            r2(U . 'plan/list', 'e', Lang::T('Account Not Found'));
+            r2(getUrl('plan/list'), 'e', Lang::T('Account Not Found'));
         }
         break;
 
@@ -339,7 +339,7 @@ switch ($action) {
             }
             $d->delete();
             _log('[' . $admin['username'] . ']: ' . 'Delete Plan for Customer ' . $c['username'] . '  [' . $in['plan_name'] . '][' . Lang::moneyFormat($in['price']) . ']', $admin['user_type'], $admin['id']);
-            r2(U . 'plan/list', 's', Lang::T('Data Deleted Successfully'));
+            r2(getUrl('plan/list'), 's', Lang::T('Data Deleted Successfully'));
         }
         break;
 
@@ -405,9 +405,9 @@ switch ($action) {
             }
             $d->save();
             _log('[' . $admin['username'] . ']: ' . 'Edit Plan for Customer ' . $d['username'] . ' to [' . $d['namebp'] . '][' . Lang::moneyFormat($p['price']) . ']', $admin['user_type'], $admin['id']);
-            r2(U . 'plan/list', 's', Lang::T('Data Updated Successfully'));
+            r2(getUrl('plan/list'), 's', Lang::T('Data Updated Successfully'));
         } else {
-            r2(U . 'plan/edit/' . $id, 'e', $msg);
+            r2(getUrl('plan/edit/') . $id, 'e', $msg);
         }
         break;
 
@@ -544,7 +544,7 @@ switch ($action) {
                     $jml++;
                 }
             }
-            r2(U . 'plan/voucher', 's', "$jml " . Lang::T('Data Deleted Successfully'));
+            r2(getUrl('plan/voucher'), 's', "$jml " . Lang::T('Data Deleted Successfully'));
         }
     case 'print-voucher':
         $from_id = _post('from_id');
@@ -795,12 +795,12 @@ switch ($action) {
             }
 
             if ($numbervoucher == 1) {
-                r2(U . 'plan/voucher-view/' . $d->id(), 's', Lang::T('Create Vouchers Successfully'));
+                r2(getUrl('plan/voucher-view/') . $d->id(), 's', Lang::T('Create Vouchers Successfully'));
             }
 
-            r2(U . 'plan/voucher', 's', Lang::T('Create Vouchers Successfully'));
+            r2(getUrl('plan/voucher'), 's', Lang::T('Create Vouchers Successfully'));
         } else {
-            r2(U . 'plan/add-voucher/' . $id, 'e', $msg);
+            r2(getUrl('plan/add-voucher/') . $id, 'e', $msg);
         }
         break;
 
@@ -855,11 +855,11 @@ switch ($action) {
             $voucher = ORM::for_table('tbl_voucher')
                 ->find_one($id);
             if (!in_array($voucher['generated_by'], $sales)) {
-                r2(U . 'plan/voucher/', 'e', Lang::T('Voucher Not Found'));
+                r2(getUrl('plan/voucher/'), 'e', Lang::T('Voucher Not Found'));
             }
         }
         if (!$voucher) {
-            r2(U . 'plan/voucher/', 'e', Lang::T('Voucher Not Found'));
+            r2(getUrl('plan/voucher/'), 'e', Lang::T('Voucher Not Found'));
         }
         $plan = ORM::for_table('tbl_plans')->find_one($voucher['id_plan']);
         if ($voucher && $plan) {
@@ -893,7 +893,7 @@ switch ($action) {
             $ui->assign('whatsapp', urlencode("```$content```"));
             $ui->display('voucher-view.tpl');
         } else {
-            r2(U . 'plan/voucher/', 'e', Lang::T('Voucher Not Found'));
+            r2(getUrl('plan/voucher/'), 'e', Lang::T('Voucher Not Found'));
         }
         break;
     case 'voucher-delete':
@@ -905,7 +905,7 @@ switch ($action) {
         $d = ORM::for_table('tbl_voucher')->find_one($id);
         if ($d) {
             $d->delete();
-            r2(U . 'plan/voucher', 's', Lang::T('Data Deleted Successfully'));
+            r2(getUrl('plan/voucher'), 's', Lang::T('Data Deleted Successfully'));
         }
         break;
 
@@ -938,10 +938,10 @@ switch ($action) {
                 Package::createInvoice($in);
                 $ui->display('invoice.tpl');
             } else {
-                r2(U . 'plan/refill', 'e', "Failed to refill account");
+                r2(getUrl('plan/refill'), 'e', "Failed to refill account");
             }
         } else {
-            r2(U . 'plan/refill', 'e', Lang::T('Voucher Not Valid'));
+            r2(getUrl('plan/refill'), 'e', Lang::T('Voucher Not Valid'));
         }
         break;
     case 'deposit':
@@ -989,7 +989,7 @@ switch ($action) {
                 }
                 $ui->display('invoice.tpl');
             } else {
-                r2(U . 'plan/refill', 'e', "Failed to refill account");
+                r2(getUrl('plan/refill'), 'e', "Failed to refill account");
             }
         } else if (!empty($user) && !empty($plan)) {
             $p = ORM::for_table('tbl_plans')->find_one($plan);
@@ -1002,10 +1002,10 @@ switch ($action) {
                 }
                 $ui->display('invoice.tpl');
             } else {
-                r2(U . 'plan/refill', 'e', "Failed to refill account");
+                r2(getUrl('plan/refill'), 'e', "Failed to refill account");
             }
         } else {
-            r2(U . 'plan/refill', 'e', "All field is required");
+            r2(getUrl('plan/refill'), 'e', "All field is required");
         }
         break;
     case 'extend':
@@ -1013,7 +1013,7 @@ switch ($action) {
         $days = $routes[3];
         $svoucher = $_GET['svoucher'];
         if (App::getVoucherValue($svoucher)) {
-            r2(U . 'plan', 's', "Extend already done");
+            r2(getUrl('plan'), 's', "Extend already done");
         }
         $tur = ORM::for_table('tbl_user_recharges')->find_one($id);
         $status = $tur['status'];
@@ -1045,19 +1045,19 @@ switch ($action) {
                     $tur->status = "on";
                     $tur->save();
                 } else {
-                    r2(U . 'plan', 's', "Plan not found");
+                    r2(getUrl('plan'), 's', "Plan not found");
                 }
             } else {
-                r2(U . 'plan', 's', "Customer not found");
+                r2(getUrl('plan'), 's', "Customer not found");
             }
             Message::sendTelegram("#u$tur[username] #extend #" . $p['type'] . " \n" . $p['name_plan'] .
                 "\nLocation: " . $p['routers'] .
                 "\nCustomer: " . $c['fullname'] .
                 "\nNew Expired: " . Lang::dateAndTimeFormat($expiration, $tur['time']));
             _log("$admin[fullname] extend Customer $tur[customer_id] $tur[username] for $days days", $admin['user_type'], $admin['id']);
-            r2(U . 'plan', 's', "Extend until $expiration");
+            r2(getUrl('plan'), 's', "Extend until $expiration");
         } else {
-            r2(U . 'plan', 's', "Customer is not expired yet");
+            r2(getUrl('plan'), 's', "Customer is not expired yet");
         }
         break;
     default:
diff --git a/system/controllers/plugin.php b/system/controllers/plugin.php
index 900ab4a2..7ecd7521 100644
--- a/system/controllers/plugin.php
+++ b/system/controllers/plugin.php
@@ -7,5 +7,5 @@
 if(function_exists($routes[1])){
     call_user_func($routes[1]);
 }else{
-    r2(U.'dashboard', 'e', 'Function not found');
+    r2(getUrl('dashboard'), 'e', 'Function not found');
 }
\ No newline at end of file
diff --git a/system/controllers/pluginmanager.php b/system/controllers/pluginmanager.php
index b8634df9..94dd524e 100644
--- a/system/controllers/pluginmanager.php
+++ b/system/controllers/pluginmanager.php
@@ -25,7 +25,7 @@ if (file_exists($cache) && time() - filemtime($cache) < (24 * 60 * 60)) {
     $json = json_decode($txt, true);
     if (empty($json['plugins']) && empty($json['payment_gateway'])) {
         unlink($cache);
-        r2(U . 'pluginmanager');
+        r2(getUrl('pluginmanager'));
     }
 } else {
     $data = Http::getData($plugin_repository);
@@ -35,23 +35,23 @@ if (file_exists($cache) && time() - filemtime($cache) < (24 * 60 * 60)) {
 switch ($action) {
     case 'refresh':
         if (file_exists($cache)) unlink($cache);
-        r2(U . "pluginmanager", 's', 'Refresh success');
+        r2(getUrl('pluginmanager'), 's', 'Refresh success');
         break;
     case 'dlinstall':
         if ($_app_stage == 'demo') {
-            r2(U . "pluginmanager", 'e', 'Demo Mode cannot install as it Security risk');
+            r2(getUrl('pluginmanager'), 'e', 'Demo Mode cannot install as it Security risk');
         }
         if (!is_writeable($CACHE_PATH)) {
-            r2(U . "pluginmanager", 'e', 'Folder cache/ is not writable');
+            r2(getUrl('pluginmanager'), 'e', 'Folder cache/ is not writable');
         }
         if (!is_writeable($PLUGIN_PATH)) {
-            r2(U . "pluginmanager", 'e', 'Folder plugin/ is not writable');
+            r2(getUrl('pluginmanager'), 'e', 'Folder plugin/ is not writable');
         }
         if (!is_writeable($DEVICE_PATH)) {
-            r2(U . "pluginmanager", 'e', 'Folder devices/ is not writable');
+            r2(getUrl('pluginmanager'), 'e', 'Folder devices/ is not writable');
         }
         if (!is_writeable($UI_PATH . DIRECTORY_SEPARATOR . 'themes')) {
-            r2(U . "pluginmanager", 'e', 'Folder themes/ is not writable');
+            r2(getUrl('pluginmanager'), 'e', 'Folder themes/ is not writable');
         }
         $cache = $CACHE_PATH . DIRECTORY_SEPARATOR . 'installer' . DIRECTORY_SEPARATOR;
         if (!file_exists($cache)) {
@@ -97,7 +97,7 @@ switch ($action) {
             }
             //Cleaning
             File::deleteFolder($cache);
-            r2(U . "pluginmanager", 's', 'Installation success');
+            r2(getUrl('pluginmanager'), 's', 'Installation success');
         } else if (_post('gh_url', '') != '') {
             $ghUrl = _post('gh_url', '');
             if (!empty($config['github_token']) && !empty($config['github_username'])) {
@@ -155,17 +155,17 @@ switch ($action) {
                 }
             }
             File::deleteFolder($cache);
-            r2(U . "pluginmanager", 's', 'Installation success');
+            r2(getUrl('pluginmanager'), 's', 'Installation success');
         } else {
-            r2(U . 'pluginmanager', 'e', 'Nothing Installed');
+            r2(getUrl('pluginmanager'), 'e', 'Nothing Installed');
         }
         break;
     case 'delete':
         if (!is_writeable($CACHE_PATH)) {
-            r2(U . "pluginmanager", 'e', 'Folder cache/ is not writable');
+            r2(getUrl('pluginmanager'), 'e', 'Folder cache/ is not writable');
         }
         if (!is_writeable($PLUGIN_PATH)) {
-            r2(U . "pluginmanager", 'e', 'Folder plugin/ is not writable');
+            r2(getUrl('pluginmanager'), 'e', 'Folder plugin/ is not writable');
         }
         set_time_limit(-1);
         $tipe = $routes['2'];
@@ -199,12 +199,12 @@ switch ($action) {
                         $folder = $CACHE_PATH . File::pathFixer('/' . $plugin . '-master/');
                     }
                     if (!file_exists($folder)) {
-                        r2(U . "pluginmanager", 'e', 'Extracted Folder is unknown');
+                        r2(getUrl('pluginmanager'), 'e', 'Extracted Folder is unknown');
                     }
                     scanAndRemovePath($folder, $PLUGIN_PATH . DIRECTORY_SEPARATOR);
                     File::deleteFolder($folder);
                     unlink($file);
-                    r2(U . "pluginmanager", 's', 'Plugin ' . $plugin . ' has been deleted');
+                    r2(getUrl('pluginmanager'), 's', 'Plugin ' . $plugin . ' has been deleted');
                     break;
                 }
             }
@@ -213,10 +213,10 @@ switch ($action) {
         break;
     case 'install':
         if (!is_writeable($CACHE_PATH)) {
-            r2(U . "pluginmanager", 'e', 'Folder cache/ is not writable');
+            r2(getUrl('pluginmanager'), 'e', 'Folder cache/ is not writable');
         }
         if (!is_writeable($PLUGIN_PATH)) {
-            r2(U . "pluginmanager", 'e', 'Folder plugin/ is not writable');
+            r2(getUrl('pluginmanager'), 'e', 'Folder plugin/ is not writable');
         }
         set_time_limit(-1);
         $tipe = $routes['2'];
@@ -250,12 +250,12 @@ switch ($action) {
                         $folder = $CACHE_PATH . File::pathFixer('/' . $plugin . '-master/');
                     }
                     if (!file_exists($folder)) {
-                        r2(U . "pluginmanager", 'e', 'Extracted Folder is unknown');
+                        r2(getUrl('pluginmanager'), 'e', 'Extracted Folder is unknown');
                     }
                     File::copyFolder($folder, $PLUGIN_PATH . DIRECTORY_SEPARATOR, ['README.md', 'LICENSE']);
                     File::deleteFolder($folder);
                     unlink($file);
-                    r2(U . "pluginmanager", 's', 'Plugin ' . $plugin . ' has been installed');
+                    r2(getUrl('pluginmanager'), 's', 'Plugin ' . $plugin . ' has been installed');
                     break;
                 }
             }
@@ -287,12 +287,12 @@ switch ($action) {
                         $folder = $CACHE_PATH . File::pathFixer('/' . $plugin . '-master/');
                     }
                     if (!file_exists($folder)) {
-                        r2(U . "pluginmanager", 'e', 'Extracted Folder is unknown');
+                        r2(getUrl('pluginmanager'), 'e', 'Extracted Folder is unknown');
                     }
                     File::copyFolder($folder, $PAYMENTGATEWAY_PATH . DIRECTORY_SEPARATOR, ['README.md', 'LICENSE']);
                     File::deleteFolder($folder);
                     unlink($file);
-                    r2(U . "paymentgateway", 's', 'Payment Gateway ' . $plugin . ' has been installed');
+                    r2(getUrl('paymentgateway'), 's', 'Payment Gateway ' . $plugin . ' has been installed');
                     break;
                 }
             }
@@ -324,12 +324,12 @@ switch ($action) {
                         $folder = $CACHE_PATH . File::pathFixer('/' . $plugin . '-master/');
                     }
                     if (!file_exists($folder)) {
-                        r2(U . "pluginmanager", 'e', 'Extracted Folder is unknown');
+                        r2(getUrl('pluginmanager'), 'e', 'Extracted Folder is unknown');
                     }
                     File::copyFolder($folder, $DEVICE_PATH . DIRECTORY_SEPARATOR, ['README.md', 'LICENSE']);
                     File::deleteFolder($folder);
                     unlink($file);
-                    r2(U . "settings/devices", 's', 'Device ' . $plugin . ' has been installed');
+                    r2(getUrl('settings/devices'), 's', 'Device ' . $plugin . ' has been installed');
                     break;
                 }
             }
diff --git a/system/controllers/pool.php b/system/controllers/pool.php
index ba599f22..aec8c1bc 100644
--- a/system/controllers/pool.php
+++ b/system/controllers/pool.php
@@ -51,7 +51,7 @@ switch ($action) {
             run_hook('view_edit_pool'); #HOOK
             $ui->display('pool-edit.tpl');
         } else {
-            r2(U . 'pool/list', 'e', Lang::T('Account Not Found'));
+            r2(getUrl('pool/list'), 'e', Lang::T('Account Not Found'));
         }
         break;
 
@@ -65,7 +65,7 @@ switch ($action) {
             }
             $d->delete();
 
-            r2(U . 'pool/list', 's', Lang::T('Data Deleted Successfully'));
+            r2(getUrl('pool/list'), 's', Lang::T('Data Deleted Successfully'));
         }
         break;
 
@@ -78,7 +78,7 @@ switch ($action) {
                 $log .= 'DONE: ' . $pool['pool_name'] . ': ' . $pool['range_ip'] . '<br>';
             }
         }
-        r2(U . 'pool/list', 's', $log);
+        r2(getUrl('pool/list'), 's', $log);
         break;
     case 'add-post':
         $name = _post('name');
@@ -108,9 +108,9 @@ switch ($action) {
                 (new MikrotikPppoe())->add_pool($b);
             }
             $b->save();
-            r2(U . 'pool/list', 's', Lang::T('Data Created Successfully'));
+            r2(getUrl('pool/list'), 's', Lang::T('Data Created Successfully'));
         } else {
-            r2(U . 'pool/add', 'e', $msg);
+            r2(getUrl('pool/add'), 'e', $msg);
         }
         break;
 
@@ -143,11 +143,11 @@ switch ($action) {
                 (new MikrotikPppoe())->update_pool($old, $d);
             }
 
-            r2(U . 'pool/list', 's', Lang::T('Data Updated Successfully'));
+            r2(getUrl('pool/list'), 's', Lang::T('Data Updated Successfully'));
         } else {
-            r2(U . 'pool/edit/' . $id, 'e', $msg);
+            r2(getUrl('pool/edit/') . $id, 'e', $msg);
         }
-		
+
     case 'port':
         $ui->assign('xfooter', '<script type="text/javascript" src="ui/lib/c/pool.js"></script>');
 
@@ -180,7 +180,7 @@ switch ($action) {
             run_hook('view_edit_port'); #HOOK
             $ui->display('port-edit.tpl');
         } else {
-            r2(U . 'pool/port', 'e', Lang::T('Account Not Found'));
+            r2(getUrl('pool/port'), 'e', Lang::T('Account Not Found'));
         }
         break;
 
@@ -191,7 +191,7 @@ switch ($action) {
         if ($d) {
             $d->delete();
 
-            r2(U . 'pool/port', 's', Lang::T('Data Deleted Successfully'));
+            r2(getUrl('pool/port'), 's', Lang::T('Data Deleted Successfully'));
         }
         break;
 
@@ -204,7 +204,7 @@ switch ($action) {
                 $log .= 'DONE: ' . $pool['port_name'] . ': ' . $pool['range_port'] . '<br>';
             }
         }
-        r2(U . 'pool/list', 's', $log);
+        r2(getUrl('pool/list'), 's', $log);
         break;
     case 'add-port-post':
         $name = _post('name');
@@ -231,21 +231,21 @@ switch ($action) {
             $b->range_port = $port_range;
             $b->routers = $routers;
             $b->save();
-            r2(U . 'pool/port', 's', Lang::T('Data Created Successfully'));
+            r2(getUrl('pool/port'), 's', Lang::T('Data Created Successfully'));
         } else {
-            r2(U . 'pool/add-port', 'e', $msg);
+            r2(getUrl('pool/add-port'), 'e', $msg);
         }
         break;
 
 
     case 'edit-port-post':
-		$name = _post('name');
+        $name = _post('name');
         $public_ip = _post('public_ip');
         $range_port = _post('range_port');
         $routers = _post('routers');
         run_hook('edit_port'); #HOOK
         $msg = '';
-		$msg = '';
+        $msg = '';
         if (Validator::Length($name, 30, 2) == false) {
             $msg .= 'Name should be between 3 to 30 characters' . '<br>';
         }
@@ -261,20 +261,18 @@ switch ($action) {
         }
 
         if ($msg == '') {
-			$d->port_name = $name;
+            $d->port_name = $name;
             $d->public_ip = $public_ip;
             $d->range_port = $range_port;
             $d->routers = $routers;
             $d->save();
 
-            
-
-            r2(U . 'pool/port', 's', Lang::T('Data Updated Successfully'));
+            r2(getUrl('pool/port'), 's', Lang::T('Data Updated Successfully'));
         } else {
-            r2(U . 'pool/edit-port/' . $id, 'e', $msg);
+            r2(getUrl('pool/edit-port/') . $id, 'e', $msg);
         }
         break;
 
     default:
-        r2(U . 'pool/list/', 's', '');
+        r2(getUrl('pool/list/'), 's', '');
 }
diff --git a/system/controllers/radius.php b/system/controllers/radius.php
index 72b1e155..ca90e916 100644
--- a/system/controllers/radius.php
+++ b/system/controllers/radius.php
@@ -58,12 +58,12 @@ switch ($action) {
         if ($msg == '') {
             require_once $DEVICE_PATH . DIRECTORY_SEPARATOR . "Radius.php";
             if ((new Radius())->nasAdd($shortname, $nasname, $ports, $secret, $routers, $description, $type, $server, $community) > 0) {
-                r2(U . 'radius/nas-list/', 's', "NAS Added");
+                r2(getUrl('radius/nas-list/'), 's', "NAS Added");
             } else {
-                r2(U . 'radius/nas-add/', 'e', "NAS Added Failed");
+                r2(getUrl('radius/nas-add/'), 'e', "NAS Added Failed");
             }
         } else {
-            r2(U . 'radius/nas-add', 'e', $msg);
+            r2(getUrl('radius/nas-add'), 'e', $msg);
         }
         break;
     case 'nas-edit':
@@ -80,7 +80,7 @@ switch ($action) {
             $ui->assign('d', $d);
             $ui->display('radius-nas-edit.tpl');
         } else {
-            r2(U . 'radius/list', 'e', Lang::T('Account Not Found'));
+            r2(getUrl('radius/list'), 'e', Lang::T('Account Not Found'));
         }
 
         break;
@@ -115,12 +115,12 @@ switch ($action) {
         if ($msg == '') {
             require_once $DEVICE_PATH . DIRECTORY_SEPARATOR . "Radius.php";
             if ((new Radius())->nasUpdate($id, $shortname, $nasname, $ports, $secret, $routers, $description, $type, $server, $community)) {
-                r2(U . 'radius/list/', 's', "NAS Saved");
+                r2(getUrl('radius/list/'), 's', "NAS Saved");
             } else {
-                r2(U . 'radius/nas-add', 'e', 'NAS NOT Exists');
+                r2(getUrl('radius/nas-add'), 'e', 'NAS NOT Exists');
             }
         } else {
-            r2(U . 'radius/nas-add', 'e', $msg);
+            r2(getUrl('radius/nas-add'), 'e', $msg);
         }
         break;
     case 'nas-delete':
@@ -129,7 +129,7 @@ switch ($action) {
         if ($d) {
             $d->delete();
         } else {
-            r2(U . 'radius/nas-list', 'e', 'NAS Not found');
+            r2(getUrl('radius/nas-list'), 'e', 'NAS Not found');
         }
     default:
         $ui->assign('_system_menu', 'radius');
diff --git a/system/controllers/register.php b/system/controllers/register.php
index ea699570..848d8d0d 100644
--- a/system/controllers/register.php
+++ b/system/controllers/register.php
@@ -57,7 +57,7 @@ switch ($do) {
             // Expire after 10 minutes
             if (file_exists($otpPath) && time() - filemtime($otpPath) > 1200) {
                 unlink($otpPath);
-                r2(U . 'register', 's', 'Verification code expired');
+                r2(getUrl('register'), 's', 'Verification code expired');
             } else if (file_exists($otpPath)) {
                 $code = file_get_contents($otpPath);
                 if ($code != $otp_code) {
@@ -75,7 +75,7 @@ switch ($do) {
                     unlink($otpPath);
                 }
             } else {
-                r2(U . 'register', 's', 'No Verification code');
+                r2(getUrl('register'), 's', 'No Verification code');
             }
         }
 
@@ -120,7 +120,7 @@ switch ($do) {
                 if ($config['reg_nofify_admin'] == 'yes') {
                     sendTelegram($config['CompanyName'] . ' - ' . Lang::T('New User Registration') . "\n\nFull Name: " . $fullname . "\nUsername: " . $username . "\nEmail: " . $email . "\nPhone Number: " . $phone_number . "\nAddress: " . $address);
                 }
-                r2(U . 'login', 's', Lang::T('Register Success! You can login now'));
+                r2(getUrl('login'), 's', Lang::T('Register Success! You can login now'));
             } else {
                 $ui->assign('username', $username);
                 $ui->assign('fullname', $fullname);
@@ -159,7 +159,7 @@ switch ($do) {
             if (!empty($phone_number)) {
                 $d = ORM::for_table('tbl_customers')->where('username', $phone_number)->find_one();
                 if ($d) {
-                    r2(U . 'register', 's', Lang::T('Account already exists'));
+                    r2(getUrl('register'), 's', Lang::T('Account already exists'));
                 }
                 if (!file_exists($otpPath)) {
                     mkdir($otpPath);
diff --git a/system/controllers/reports.php b/system/controllers/reports.php
index a1c4e3ca..9f15bdcf 100644
--- a/system/controllers/reports.php
+++ b/system/controllers/reports.php
@@ -257,7 +257,7 @@ switch ($action) {
         $keep = _post('keep');
         if (!empty($keep)) {
             ORM::raw_execute("DELETE FROM tbl_transactions WHERE date < UNIX_TIMESTAMP(DATE_SUB(NOW(), INTERVAL $keep DAY))");
-            r2(U . "logs/list/", 's', "Delete logs older than $keep days");
+            r2(getUrl('logs/list/'), 's', "Delete logs older than $keep days");
         }
         if ($q != '') {
             $query = ORM::for_table('tbl_transactions')->where_like('invoice', '%' . $q . '%')->order_by_desc('id');
diff --git a/system/controllers/routers.php b/system/controllers/routers.php
index 23bbbfb7..4d121c52 100644
--- a/system/controllers/routers.php
+++ b/system/controllers/routers.php
@@ -55,7 +55,7 @@ switch ($action) {
             run_hook('view_router_edit'); #HOOK
             $ui->display('routers-edit.tpl');
         } else {
-            r2(U . 'routers/list', 'e', Lang::T('Account Not Found'));
+            r2(getUrl('routers/list'), 'e', Lang::T('Account Not Found'));
         }
         break;
 
@@ -65,7 +65,7 @@ switch ($action) {
         $d = ORM::for_table('tbl_routers')->find_one($id);
         if ($d) {
             $d->delete();
-            r2(U . 'routers/list', 's', Lang::T('Data Deleted Successfully'));
+            r2(getUrl('routers/list'), 's', Lang::T('Data Deleted Successfully'));
         }
         break;
 
@@ -109,9 +109,9 @@ switch ($action) {
             $d->enabled = $enabled;
             $d->save();
 
-            r2(U . 'routers/edit/' . $d->id(), 's', Lang::T('Data Created Successfully'));
+            r2(getUrl('routers/edit/') . $d->id(), 's', Lang::T('Data Created Successfully'));
         } else {
-            r2(U . 'routers/add', 'e', $msg);
+            r2(getUrl('routers/add'), 'e', $msg);
         }
         break;
 
@@ -197,9 +197,9 @@ switch ($action) {
                 $p->set('routers', $name);
                 $p->save();
             }
-            r2(U . 'routers/list', 's', Lang::T('Data Updated Successfully'));
+            r2(getUrl('routers/list'), 's', Lang::T('Data Updated Successfully'));
         } else {
-            r2(U . 'routers/edit/' . $id, 'e', $msg);
+            r2(getUrl('routers/edit/') . $id, 'e', $msg);
         }
         break;
 
diff --git a/system/controllers/search_user.php b/system/controllers/search_user.php
index b3a04062..fcf229f5 100644
--- a/system/controllers/search_user.php
+++ b/system/controllers/search_user.php
@@ -2,7 +2,7 @@
 
 $query = isset($_GET['query']) ? trim($_GET['query']) : '';
 
-if (!empty($query)) {    
+if (!empty($query)) {
     $results = ORM::for_table('tbl_customers')
         ->where_like('username', "%$query%")
         ->find_many();
diff --git a/system/controllers/services.php b/system/controllers/services.php
index 40e546c8..8f054457 100644
--- a/system/controllers/services.php
+++ b/system/controllers/services.php
@@ -33,7 +33,7 @@ switch ($action) {
                     }
                 }
             }
-            r2(U . 'services/hotspot', 's', $log);
+            r2(getUrl('services/hotspot'), 's', $log);
         } else if ($routes['2'] == 'pppoe') {
             $plans = ORM::for_table('tbl_plans')->where('type', 'PPPOE')->find_many();
             $log = '';
@@ -49,9 +49,9 @@ switch ($action) {
                     }
                 }
             }
-            r2(U . 'services/pppoe', 's', $log);
+            r2(getUrl('services/pppoe'), 's', $log);
         }
-        r2(U . 'services/hotspot', 'w', 'Unknown command');
+        r2(getUrl('services/hotspot'), 'w', 'Unknown command');
     case 'hotspot':
         $ui->assign('xfooter', '<script type="text/javascript" src="ui/lib/c/hotspot.js"></script>');
         $name = _req('name');
@@ -193,7 +193,7 @@ switch ($action) {
             run_hook('view_edit_plan'); #HOOK
             $ui->display('hotspot-edit.tpl');
         } else {
-            r2(U . 'services/hotspot', 'e', Lang::T('Account Not Found'));
+            r2(getUrl('services/hotspot'), 'e', Lang::T('Account Not Found'));
         }
         break;
 
@@ -214,7 +214,7 @@ switch ($action) {
             }
             $d->delete();
 
-            r2(U . 'services/hotspot', 's', Lang::T('Data Deleted Successfully'));
+            r2(getUrl('services/hotspot'), 's', Lang::T('Data Deleted Successfully'));
         }
         break;
 
@@ -307,9 +307,9 @@ switch ($action) {
                     new Exception(Lang::T("Devices Not Found"));
                 }
             }
-            r2(U . 'services/edit/' . $d->id(), 's', Lang::T('Data Created Successfully'));
+            r2(getUrl('services/edit/') . $d->id(), 's', Lang::T('Data Created Successfully'));
         } else {
-            r2(U . 'services/add', 'e', $msg);
+            r2(getUrl('services/add'), 'e', $msg);
         }
         break;
 
@@ -420,9 +420,9 @@ switch ($action) {
                     new Exception(Lang::T("Devices Not Found"));
                 }
             }
-            r2(U . 'services/hotspot', 's', Lang::T('Data Updated Successfully'));
+            r2(getUrl('services/hotspot'), 's', Lang::T('Data Updated Successfully'));
         } else {
-            r2(U . 'services/edit/' . $id, 'e', $msg);
+            r2(getUrl('services/edit/') . $id, 'e', $msg);
         }
         break;
 
@@ -580,7 +580,7 @@ switch ($action) {
             run_hook('view_edit_ppoe'); #HOOK
             $ui->display('pppoe-edit.tpl');
         } else {
-            r2(U . 'services/pppoe', 'e', Lang::T('Account Not Found'));
+            r2(getUrl('services/pppoe'), 'e', Lang::T('Account Not Found'));
         }
         break;
 
@@ -602,7 +602,7 @@ switch ($action) {
             }
             $d->delete();
 
-            r2(U . 'services/pppoe', 's', Lang::T('Data Deleted Successfully'));
+            r2(getUrl('services/pppoe'), 's', Lang::T('Data Deleted Successfully'));
         }
         break;
 
@@ -700,9 +700,9 @@ switch ($action) {
                     new Exception(Lang::T("Devices Not Found"));
                 }
             }
-            r2(U . 'services/pppoe', 's', Lang::T('Data Created Successfully'));
+            r2(getUrl('services/pppoe'), 's', Lang::T('Data Created Successfully'));
         } else {
-            r2(U . 'services/pppoe-add', 'e', $msg);
+            r2(getUrl('services/pppoe-add'), 'e', $msg);
         }
         break;
 
@@ -801,9 +801,9 @@ switch ($action) {
                     new Exception(Lang::T("Devices Not Found"));
                 }
             }
-            r2(U . 'services/pppoe', 's', Lang::T('Data Updated Successfully'));
+            r2(getUrl('services/pppoe'), 's', Lang::T('Data Updated Successfully'));
         } else {
-            r2(U . 'services/pppoe-edit/' . $id, 'e', $msg);
+            r2(getUrl('services/pppoe-edit/') . $id, 'e', $msg);
         }
         break;
     case 'balance':
@@ -841,7 +841,7 @@ switch ($action) {
         if ($d) {
             run_hook('delete_balance'); #HOOK
             $d->delete();
-            r2(U . 'services/balance', 's', Lang::T('Data Deleted Successfully'));
+            r2(getUrl('services/balance'), 's', Lang::T('Data Deleted Successfully'));
         }
         break;
     case 'balance-edit-post':
@@ -877,9 +877,9 @@ switch ($action) {
             $d->prepaid = 'yes';
             $d->save();
 
-            r2(U . 'services/balance', 's', Lang::T('Data Updated Successfully'));
+            r2(getUrl('services/balance'), 's', Lang::T('Data Updated Successfully'));
         } else {
-            r2(U . 'services/balance-edit/' . $id, 'e', $msg);
+            r2(getUrl('services/balance-edit/') . $id, 'e', $msg);
         }
         break;
     case 'balance-add-post':
@@ -914,9 +914,9 @@ switch ($action) {
             $d->prepaid = 'yes';
             $d->save();
 
-            r2(U . 'services/balance', 's', Lang::T('Data Created Successfully'));
+            r2(getUrl('services/balance'), 's', Lang::T('Data Created Successfully'));
         } else {
-            r2(U . 'services/balance-add', 'e', $msg);
+            r2(getUrl('services/balance-add'), 'e', $msg);
         }
         break;
     case 'vpn':
@@ -1073,7 +1073,7 @@ switch ($action) {
             run_hook('view_edit_vpn'); #HOOK
             $ui->display('vpn-edit.tpl');
         } else {
-            r2(U . 'services/vpn', 'e', Lang::T('Account Not Found'));
+            r2(getUrl('services/vpn'), 'e', Lang::T('Account Not Found'));
         }
         break;
 
@@ -1095,7 +1095,7 @@ switch ($action) {
             }
             $d->delete();
 
-            r2(U . 'services/vpn', 's', Lang::T('Data Deleted Successfully'));
+            r2(getUrl('services/vpn'), 's', Lang::T('Data Deleted Successfully'));
         }
         break;
 
@@ -1193,9 +1193,9 @@ switch ($action) {
                     new Exception(Lang::T("Devices Not Found"));
                 }
             }
-            r2(U . 'services/vpn', 's', Lang::T('Data Created Successfully'));
+            r2(getUrl('services/vpn'), 's', Lang::T('Data Created Successfully'));
         } else {
-            r2(U . 'services/vpn-add', 'e', $msg);
+            r2(getUrl('services/vpn-add'), 'e', $msg);
         }
         break;
 
@@ -1294,9 +1294,9 @@ switch ($action) {
                     new Exception(Lang::T("Devices Not Found"));
                 }
             }
-            r2(U . 'services/vpn', 's', Lang::T('Data Updated Successfully'));
+            r2(getUrl('services/vpn'), 's', Lang::T('Data Updated Successfully'));
         } else {
-            r2(U . 'services/vpn-edit/' . $id, 'e', $msg);
+            r2(getUrl('services/vpn-edit/') . $id, 'e', $msg);
         }
         break;
     default:
diff --git a/system/controllers/settings.php b/system/controllers/settings.php
index 7aac403c..57725b40 100644
--- a/system/controllers/settings.php
+++ b/system/controllers/settings.php
@@ -59,19 +59,19 @@ switch ($action) {
 
         if (!empty(_get('testWa'))) {
             $result = Message::sendWhatsapp(_get('testWa'), 'PHPNuxBill Test Whatsapp');
-            r2(U . "settings/app", 's', 'Test Whatsapp has been send<br>Result: ' . $result);
+            r2(getUrl('settings/app'), 's', 'Test Whatsapp has been send<br>Result: ' . $result);
         }
         if (!empty(_get('testSms'))) {
             $result = Message::sendSMS(_get('testSms'), 'PHPNuxBill Test SMS');
-            r2(U . "settings/app", 's', 'Test SMS has been send<br>Result: ' . $result);
+            r2(getUrl('settings/app'), 's', 'Test SMS has been send<br>Result: ' . $result);
         }
         if (!empty(_get('testEmail'))) {
             Message::sendEmail(_get('testEmail'), 'PHPNuxBill Test Email', 'PHPNuxBill Test Email Body');
-            r2(U . "settings/app", 's', 'Test Email has been send');
+            r2(getUrl('settings/app'), 's', 'Test Email has been send');
         }
         if (!empty(_get('testTg'))) {
             $result = Message::sendTelegram('PHPNuxBill Test Telegram');
-            r2(U . "settings/app", 's', 'Test Telegram has been send<br>Result: ' . $result);
+            r2(getUrl('settings/app'), 's', 'Test Telegram has been send<br>Result: ' . $result);
         }
 
         $UPLOAD_URL_PATH = str_replace($root_path, '',  $UPLOAD_PATH);
@@ -105,7 +105,7 @@ switch ($action) {
         } else {
             $favicon = $UPLOAD_URL_PATH . DIRECTORY_SEPARATOR . 'favicon.default.png';
         }
-        
+
         $ui->assign('login_logo', $login_logo);
         $ui->assign('wallpaper', $wallpaper);
         $ui->assign('favicon', $favicon);
@@ -174,12 +174,12 @@ switch ($action) {
         }
         $csrf_token = _post('csrf_token');
         if (!Csrf::check($csrf_token)) {
-            r2(U . 'settings/app', 'e', Lang::T('Invalid or Expired CSRF Token') . ".");
+            r2(getUrl('settings/app'), 'e', Lang::T('Invalid or Expired CSRF Token') . ".");
         }
         $company = _post('CompanyName');
         $custom_tax_rate = filter_var(_post('custom_tax_rate'), FILTER_SANITIZE_SPECIAL_CHARS);
         if (preg_match('/[^0-9.]/', $custom_tax_rate)) {
-            r2(U . 'settings/app', 'e', 'Special characters are not allowed in tax rate');
+            r2(getUrl('settings/app'), 'e', 'Special characters are not allowed in tax rate');
             die();
         }
         run_hook('save_settings'); #HOOK
@@ -189,11 +189,11 @@ switch ($action) {
                 File::resizeCropImage($_FILES['logo']['tmp_name'], $UPLOAD_PATH . DIRECTORY_SEPARATOR . 'logo.png', 1078, 200, 100);
                 if (file_exists($_FILES['logo']['tmp_name'])) unlink($_FILES['logo']['tmp_name']);
             } else {
-                r2(U . 'settings/app', 'e', 'PHP GD is not installed');
+                r2(getUrl('settings/app'), 'e', 'PHP GD is not installed');
             }
         }
         if ($_POST['general'] && $company == '') {
-            r2(U . 'settings/app', 'e', Lang::T('All field is required'));
+            r2(getUrl('settings/app'), 'e', Lang::T('All field is required'));
         } else {
             if ($radius_enable) {
                 try {
@@ -229,7 +229,7 @@ switch ($action) {
             }
             _log('[' . $admin['username'] . ']: ' . Lang::T('Settings Saved Successfully'), $admin['user_type'], $admin['id']);
 
-            r2(U . 'settings/app', 's', Lang::T('Settings Saved Successfully'));
+            r2(getUrl('settings/app'), 's', Lang::T('Settings Saved Successfully'));
         }
         break;
 
@@ -242,20 +242,20 @@ switch ($action) {
         $csrf_token = _post('csrf_token');
 
         if (!Csrf::check($csrf_token)) {
-            r2(U . 'settings/app', 'e', Lang::T('Invalid or Expired CSRF Token') . ".");
+            r2(getUrl('settings/app'), 'e', Lang::T('Invalid or Expired CSRF Token') . ".");
         }
 
         if ($login_page_type == 'custom' && (empty($login_Page_template) || empty($login_page_title) || empty($login_page_description))) {
-            r2(U . 'settings/app', 'e', 'Please fill all required fields');
+            r2(getUrl('settings/app'), 'e', 'Please fill all required fields');
             return;
         }
 
         if (strlen($login_page_title) > 25) {
-            r2(U . 'settings/app', 'e', 'Login page title must not exceed 25 characters');
+            r2(getUrl('settings/app'), 'e', 'Login page title must not exceed 25 characters');
             return;
         }
         if (strlen($login_page_description) > 100) {
-            r2(U . 'settings/app', 'e', 'Login page description must not exceed 50 characters');
+            r2(getUrl('settings/app'), 'e', 'Login page description must not exceed 50 characters');
             return;
         }
 
@@ -278,7 +278,7 @@ switch ($action) {
                 $settings['login_page_favicon'] = basename($favicon_path); // Save dynamic file name
                 if (file_exists($_FILES['login_page_favicon']['tmp_name'])) unlink($_FILES['login_page_favicon']['tmp_name']);
             } else {
-                r2(U . 'settings/app', 'e', 'Favicon must be a JPG, JPEG, or PNG image.');
+                r2(getUrl('settings/app'), 'e', 'Favicon must be a JPG, JPEG, or PNG image.');
             }
         }
 
@@ -291,7 +291,7 @@ switch ($action) {
                 $settings['login_page_wallpaper'] = basename($wallpaper_path); // Save dynamic file name
                 if (file_exists($_FILES['login_page_wallpaper']['tmp_name'])) unlink($_FILES['login_page_wallpaper']['tmp_name']);
             } else {
-                r2(U . 'settings/app', 'e', 'Wallpaper must be a JPG, JPEG, or PNG image.');
+                r2(getUrl('settings/app'), 'e', 'Wallpaper must be a JPG, JPEG, or PNG image.');
             }
         }
 
@@ -304,7 +304,7 @@ switch ($action) {
                 $settings['login_page_logo'] = basename($logo_path); // Save dynamic file name
                 if (file_exists($_FILES['login_page_logo']['tmp_name'])) unlink($_FILES['login_page_logo']['tmp_name']);
             } else {
-                r2(U . 'settings/app', 'e', 'Logo must be a JPG, JPEG, or PNG image.');
+                r2(getUrl('settings/app'), 'e', 'Logo must be a JPG, JPEG, or PNG image.');
             }
         }
 
@@ -322,7 +322,7 @@ switch ($action) {
         }
 
         _log('[' . $admin['username'] . ']: ' . Lang::T('Login Page Settings Saved Successfully'), $admin['user_type'], $admin['id']);
-        r2(U . 'settings/app', 's', Lang::T('Login Page Settings Saved Successfully'));
+        r2(getUrl('settings/app'), 's', Lang::T('Login Page Settings Saved Successfully'));
         break;
 
     case 'localisation':
@@ -360,7 +360,7 @@ switch ($action) {
         }
         $csrf_token = _post('csrf_token');
         if (!Csrf::check($csrf_token)) {
-            r2(U . 'settings/app', 'e', Lang::T('Invalid or Expired CSRF Token') . ".");
+            r2(getUrl('settings/app'), 'e', Lang::T('Invalid or Expired CSRF Token') . ".");
         }
         $tzone = _post('tzone');
         $date_format = _post('date_format');
@@ -368,7 +368,7 @@ switch ($action) {
         $lan = _post('lan');
         run_hook('save_localisation'); #HOOK
         if ($tzone == '' or $date_format == '' or $lan == '') {
-            r2(U . 'settings/app', 'e', Lang::T('All field is required'));
+            r2(getUrl('settings/app'), 'e', Lang::T('All field is required'));
         } else {
             $d = ORM::for_table('tbl_appconfig')->where('setting', 'timezone')->find_one();
             $d->value = $tzone;
@@ -453,7 +453,7 @@ switch ($action) {
             $d->value = $lan;
             $d->save();
             _log('[' . $admin['username'] . ']: ' . 'Settings Saved Successfully', $admin['user_type'], $admin['id']);
-            r2(U . 'settings/localisation', 's', 'Settings Saved Successfully');
+            r2(getUrl('settings/localisation'), 's', 'Settings Saved Successfully');
         }
         break;
 
@@ -568,7 +568,7 @@ switch ($action) {
             $ui->assign('csrf_token', $csrf_token);
             $ui->display('admin-view.tpl');
         } else {
-            r2(U . 'settings/users', 'e', Lang::T('Account Not Found'));
+            r2(getUrl('settings/users'), 'e', Lang::T('Account Not Found'));
         }
         break;
     case 'users-edit':
@@ -624,7 +624,7 @@ switch ($action) {
             $ui->assign('csrf_token', $csrf_token);
             $ui->display('admin-edit.tpl');
         } else {
-            r2(U . 'settings/users', 'e', Lang::T('Account Not Found'));
+            r2(getUrl('settings/users'), 'e', Lang::T('Account Not Found'));
         }
         break;
 
@@ -635,15 +635,15 @@ switch ($action) {
 
         $id  = $routes['2'];
         if (($admin['id']) == $id) {
-            r2(U . 'settings/users', 'e', 'Sorry You can\'t delete yourself');
+            r2(getUrl('settings/users'), 'e', 'Sorry You can\'t delete yourself');
         }
         $d = ORM::for_table('tbl_users')->find_one($id);
         if ($d) {
             run_hook('delete_admin'); #HOOK
             $d->delete();
-            r2(U . 'settings/users', 's', Lang::T('User deleted Successfully'));
+            r2(getUrl('settings/users'), 's', Lang::T('User deleted Successfully'));
         } else {
-            r2(U . 'settings/users', 'e', Lang::T('Account Not Found'));
+            r2(getUrl('settings/users'), 'e', Lang::T('Account Not Found'));
         }
         break;
 
@@ -653,7 +653,7 @@ switch ($action) {
         }
         $csrf_token = _post('csrf_token');
         if (!Csrf::check($csrf_token)) {
-            r2(U . 'settings/users-add', 'e', Lang::T('Invalid or Expired CSRF Token') . ".");
+            r2(getUrl('settings/users-add'), 'e', Lang::T('Invalid or Expired CSRF Token') . ".");
         }
         $username = _post('username');
         $fullname = _post('fullname');
@@ -712,16 +712,16 @@ switch ($action) {
             }
 
             _log('[' . $admin['username'] . ']: ' . "Created $user_type <b>$username</b>", $admin['user_type'], $admin['id']);
-            r2(U . 'settings/users', 's', Lang::T('Account Created Successfully'));
+            r2(getUrl('settings/users'), 's', Lang::T('Account Created Successfully'));
         } else {
-            r2(U . 'settings/users-add', 'e', $msg);
+            r2(getUrl('settings/users-add'), 'e', $msg);
         }
         break;
 
     case 'users-edit-post':
         $csrf_token = _post('csrf_token');
         if (!Csrf::check($csrf_token)) {
-            r2(U . 'settings/users-edit/', 'e', Lang::T('Invalid or Expired CSRF Token') . ".");
+            r2(getUrl('settings/users-edit/'), 'e', Lang::T('Invalid or Expired CSRF Token') . ".");
         }
         $username = _post('username');
         $fullname = _post('fullname');
@@ -824,7 +824,7 @@ switch ($action) {
                     }
                     if (file_exists($_FILES['photo']['tmp_name'])) unlink($_FILES['photo']['tmp_name']);
                 } else {
-                    r2(U . 'settings/app', 'e', 'PHP GD is not installed');
+                    r2(getUrl('settings/app'), 'e', 'PHP GD is not installed');
                 }
             }
 
@@ -858,9 +858,9 @@ switch ($action) {
             $d->save();
 
             _log('[' . $admin['username'] . ']: $username ' . Lang::T('User Updated Successfully'), $admin['user_type'], $admin['id']);
-            r2(U . 'settings/users-view/' . $id, 's', 'User Updated Successfully');
+            r2(getUrl('settings/users-view/') . $id, 's', 'User Updated Successfully');
         } else {
-            r2(U . 'settings/users-edit/' . $id, 'e', $msg);
+            r2(getUrl('settings/users-edit/') . $id, 'e', $msg);
         }
         break;
 
@@ -875,7 +875,7 @@ switch ($action) {
         $password = _post('password');
         $csrf_token = _post('csrf_token');
         if (!Csrf::check($csrf_token)) {
-            r2(U . 'settings/change-password', 'e', Lang::T('Invalid or Expired CSRF Token') . ".");
+            r2(getUrl('settings/change-password'), 'e', Lang::T('Invalid or Expired CSRF Token') . ".");
         }
         if ($password != '') {
             $d = ORM::for_table('tbl_users')->where('username', $admin['username'])->find_one();
@@ -886,10 +886,10 @@ switch ($action) {
                     $npass = _post('npass');
                     $cnpass = _post('cnpass');
                     if (!Validator::Length($npass, 15, 5)) {
-                        r2(U . 'settings/change-password', 'e', 'New Password must be 6 to 14 character');
+                        r2(getUrl('settings/change-password'), 'e', 'New Password must be 6 to 14 character');
                     }
                     if ($npass != $cnpass) {
-                        r2(U . 'settings/change-password', 'e', 'Both Password should be same');
+                        r2(getUrl('settings/change-password'), 'e', 'Both Password should be same');
                     }
 
                     $npass = Password::_crypt($npass);
@@ -899,15 +899,15 @@ switch ($action) {
                     _msglog('s', Lang::T('Password changed successfully, Please login again'));
                     _log('[' . $admin['username'] . ']: Password changed successfully', $admin['user_type'], $admin['id']);
 
-                    r2(U . 'admin');
+                    r2(getUrl('admin'));
                 } else {
-                    r2(U . 'settings/change-password', 'e', Lang::T('Incorrect Current Password'));
+                    r2(getUrl('settings/change-password'), 'e', Lang::T('Incorrect Current Password'));
                 }
             } else {
-                r2(U . 'settings/change-password', 'e', Lang::T('Incorrect Current Password'));
+                r2(getUrl('settings/change-password'), 'e', Lang::T('Incorrect Current Password'));
             }
         } else {
-            r2(U . 'settings/change-password', 'e', Lang::T('Incorrect Current Password'));
+            r2(getUrl('settings/change-password'), 'e', Lang::T('Incorrect Current Password'));
         }
         break;
 
@@ -933,10 +933,10 @@ switch ($action) {
         }
         $csrf_token = _post('csrf_token');
         if (!Csrf::check($csrf_token)) {
-            r2(U . 'settings/notifications', 'e', Lang::T('Invalid or Expired CSRF Token') . ".");
+            r2(getUrl('settings/notifications'), 'e', Lang::T('Invalid or Expired CSRF Token') . ".");
         }
         file_put_contents($UPLOAD_PATH . "/notifications.json", json_encode($_POST));
-        r2(U . 'settings/notifications', 's', Lang::T('Settings Saved Successfully'));
+        r2(getUrl('settings/notifications'), 's', Lang::T('Settings Saved Successfully'));
         break;
     case 'dbstatus':
         if (!in_array($admin['user_type'], ['SuperAdmin', 'Admin'])) {
@@ -1025,9 +1025,9 @@ switch ($action) {
             } catch (Exception $e) {
             }
             if (file_exists($_FILES['json']['tmp_name'])) unlink($_FILES['json']['tmp_name']);
-            r2(U . "settings/dbstatus", 's', "Restored $suc success $fal failed");
+            r2(getUrl('settings/dbstatus'), 's', "Restored $suc success $fal failed");
         } else {
-            r2(U . "settings/dbstatus", 'e', 'Upload failed');
+            r2(getUrl('settings/dbstatus'), 'e', 'Upload failed');
         }
         break;
     case 'language':
@@ -1048,10 +1048,10 @@ switch ($action) {
     case 'lang-post':
         $csrf_token = _post('csrf_token');
         if (!Csrf::check($csrf_token)) {
-            r2(U . 'settings/language', 'e', Lang::T('Invalid or Expired CSRF Token') . ".");
+            r2(getUrl('settings/language'), 'e', Lang::T('Invalid or Expired CSRF Token') . ".");
         }
         file_put_contents($lan_file, json_encode($_POST, JSON_PRETTY_PRINT));
-        r2(U . 'settings/language', 's', Lang::T('Translation saved Successfully'));
+        r2(getUrl('settings/language'), 's', Lang::T('Translation saved Successfully'));
         break;
 
     case 'maintenance':
@@ -1063,7 +1063,7 @@ switch ($action) {
         if (_post('save') == 'save') {
             $csrf_token = _post('csrf_token');
             if (!Csrf::check($csrf_token)) {
-                r2(U . 'settings/maintenance', 'e', Lang::T('Invalid or Expired CSRF Token') . ".");
+                r2(getUrl('settings/maintenance'), 'e', Lang::T('Invalid or Expired CSRF Token') . ".");
             }
             $status = isset($_POST['maintenance_mode']) ? 1 : 0; // Checkbox returns 1 if checked, otherwise 0
             $force_logout = isset($_POST['maintenance_mode_logout']) ? 1 : 0; // Checkbox returns 1 if checked, otherwise 0
@@ -1088,7 +1088,7 @@ switch ($action) {
                 }
             }
 
-            r2(U . "settings/maintenance", 's', Lang::T('Settings Saved Successfully'));
+            r2(getUrl('settings/maintenance'), 's', Lang::T('Settings Saved Successfully'));
         }
         $csrf_token = Csrf::generateAndStoreToken();
         $ui->assign('csrf_token', $csrf_token);
@@ -1105,7 +1105,7 @@ switch ($action) {
         if (_post('save') == 'save') {
             $csrf_token = _post('csrf_token');
             if (!Csrf::check($csrf_token)) {
-                r2(U . 'settings/miscellaneous', 'e', Lang::T('Invalid or Expired CSRF Token') . ".");
+                r2(getUrl('settings/miscellaneous'), 'e', Lang::T('Invalid or Expired CSRF Token') . ".");
             }
             foreach ($_POST as $key => $value) {
                 $d = ORM::for_table('tbl_appconfig')->where('setting', $key)->find_one();
@@ -1120,7 +1120,7 @@ switch ($action) {
                 }
             }
 
-            r2(U . "settings/miscellaneous", 's', Lang::T('Settings Saved Successfully'));
+            r2(getUrl('settings/miscellaneous'), 's', Lang::T('Settings Saved Successfully'));
         }
         $csrf_token = Csrf::generateAndStoreToken();
         $ui->assign('csrf_token', $csrf_token);
diff --git a/system/controllers/voucher.php b/system/controllers/voucher.php
index 1c7e0f4b..1bae3d16 100644
--- a/system/controllers/voucher.php
+++ b/system/controllers/voucher.php
@@ -30,12 +30,12 @@ switch ($action) {
                 $v1->used_date = date('Y-m-d H:i:s');
                 $v1->user = $user['username'];
                 $v1->save();
-                r2(U . "voucher/list-activated", 's', Lang::T('Activation Vouchers Successfully'));
+                r2(getUrl('voucher/list-activated'), 's', Lang::T('Activation Vouchers Successfully'));
             } else {
-                r2(U . 'voucher/activation', 'e', "Failed to refill account");
+                r2(getUrl('voucher/activation'), 'e', "Failed to refill account");
             }
         } else {
-            r2(U . 'voucher/activation', 'e', Lang::T('Voucher Not Valid'));
+            r2(getUrl('voucher/activation'), 'e', Lang::T('Voucher Not Valid'));
         }
         break;
 
@@ -66,7 +66,7 @@ switch ($action) {
             Package::createInvoice($in);
             $ui->display('customer/invoice-customer.tpl');
         } else {
-            r2(U . 'voucher/list-activated', 'e', Lang::T('Not Found'));
+            r2(getUrl('voucher/list-activated'), 'e', Lang::T('Not Found'));
         }
         break;
     default: