diff --git a/system/autoload/Radius.php b/system/autoload/Radius.php
index 26b0a9d6..2ce44219 100644
--- a/system/autoload/Radius.php
+++ b/system/autoload/Radius.php
@@ -132,7 +132,7 @@ class Radius
         }
     }
 
-    public static function customerDeactivate($username)
+    public static function customerDeactivate($username, $radiusDisconnect = true) {
     {
         global $radius_pass;
         $r = Radius::getTableCustomer()->where_equal('username', $username)->whereEqual('attribute', 'Cleartext-Password')->findOne();
@@ -141,7 +141,9 @@ class Radius
             // we just change the password
             $r->value = md5(time() . $username . $radius_pass);
             $r->save();
-            return Radius::disconnectCustomer($username);
+            if($radiusDisconnect)
+                return Radius::disconnectCustomer($username);
+            }
         }
         return '';
     }
@@ -307,7 +309,7 @@ class Radius
             if (!empty($n['ports'])) {
                 $port = $n['ports'];
             }
-            $result[] = $n['nasname'] . ': ' . shell_exec("echo 'User-Name = $username' | " . Radius::getClient() . " " . trim($n['nasname']) . ":$port disconnect '" . $n['secret'] . "'");
+            $result[] = $n['nasname'] . ': ' . @shell_exec("echo 'User-Name = $username' | " . Radius::getClient() . " " . trim($n['nasname']) . ":$port disconnect '" . $n['secret'] . "'");
         }
         return $result;
     }
diff --git a/system/controllers/home.php b/system/controllers/home.php
index 2533ed6e..cbe92eb6 100644
--- a/system/controllers/home.php
+++ b/system/controllers/home.php
@@ -106,14 +106,23 @@ if(isset($_GET['recharge']) && $_GET['recharge'] == 1){
     }
 }else if(isset($_GET['deactivate']) && $_GET['deactivate'] == 1){
     if ($bill) {
-        $mikrotik = Mikrotik::info($bill['routers']);
-        $client = Mikrotik::getClient($mikrotik['ip_address'], $mikrotik['username'], $mikrotik['password']);
-        if ($bill['type'] == 'Hotspot') {
-            Mikrotik::removeHotspotUser($client, $bill['username']);
-            Mikrotik::removeHotspotActiveUser($client, $bill['username']);
-        } else if ($bill['type'] == 'PPPOE') {
-            Mikrotik::removePpoeUser($client, $bill['username']);
-            Mikrotik::removePpoeActive($client, $bill['username']);
+        $p = ORM::for_table('tbl_plans')->where('id', $bill['plan_id'])->find_one();
+        if($p['is_radius']){
+            Radius::customerDeactivate($user['username']);
+        }else{
+            try{
+                $mikrotik = Mikrotik::info($bill['routers']);
+                $client = Mikrotik::getClient($mikrotik['ip_address'], $mikrotik['username'], $mikrotik['password']);
+                if ($bill['type'] == 'Hotspot') {
+                    Mikrotik::removeHotspotUser($client, $bill['username']);
+                    Mikrotik::removeHotspotActiveUser($client, $bill['username']);
+                } else if ($bill['type'] == 'PPPOE') {
+                    Mikrotik::removePpoeUser($client, $bill['username']);
+                    Mikrotik::removePpoeActive($client, $bill['username']);
+                }
+            }catch(Exception $e){
+                //ignore it maybe mikrotik has been deleted
+            }
         }
         $bill->status = 'off';
         $bill->expiration = date('Y-m-d');
diff --git a/system/controllers/pool.php b/system/controllers/pool.php
index 5ac5a254..a75db507 100644
--- a/system/controllers/pool.php
+++ b/system/controllers/pool.php
@@ -60,10 +60,10 @@ switch ($action) {
         $id  = $routes['2'];
         run_hook('delete_pool'); #HOOK
         $d = ORM::for_table('tbl_pool')->find_one($id);
-        $mikrotik = Mikrotik::info($d['routers']);
         if ($d) {
             if ($d['routers'] != 'radius') {
                 try{
+                    $mikrotik = Mikrotik::info($d['routers']);
                     $client = Mikrotik::getClient($mikrotik['ip_address'], $mikrotik['username'], $mikrotik['password']);
                     Mikrotik::removePool($client, $d['pool_name']);
                 }catch(Exception $e){
@@ -106,9 +106,9 @@ switch ($action) {
         if ($d) {
             $msg .= $_L['Pool_already_exist'] . '<br>';
         }
-        $mikrotik = Mikrotik::info($routers);
         if ($msg == '') {
             if ($routers != 'radius') {
+                $mikrotik = Mikrotik::info($routers);
                 $client = Mikrotik::getClient($mikrotik['ip_address'], $mikrotik['username'], $mikrotik['password']);
                 Mikrotik::addPool($client, $name, $ip_address);
             }
@@ -143,9 +143,9 @@ switch ($action) {
             $msg .= $_L['Data_Not_Found'] . '<br>';
         }
 
-        $mikrotik = Mikrotik::info($routers);
         if ($msg == '') {
             if ($routers != 'radius') {
+                $mikrotik = Mikrotik::info($routers);
                 $client = Mikrotik::getClient($mikrotik['ip_address'], $mikrotik['username'], $mikrotik['password']);
                 Mikrotik::setPool($client, $d['pool_name'], $ip_address);
             }