diff --git a/system/autoload/Radius.php b/system/autoload/Radius.php
index d251b358..b7ac259f 100644
--- a/system/autoload/Radius.php
+++ b/system/autoload/Radius.php
@@ -2,4 +2,50 @@
 
 class Radius {
 
+    public function getTableNas(){
+        return ORM::for_table('nas', 'radius');
+    }
+
+    public function getTableCustomer(){
+        return ORM::for_table('radcheck', 'radius');
+    }
+
+    public function getTablePackage(){
+        return ORM::for_table('radgroupreply', 'radius');
+    }
+
+    public function getTableUserPackage(){
+        return ORM::for_table('radusergroup', 'radius');
+    }
+
+    public function addNas($name, $ip, $ports, $secret, $description = "",$type = 'other', $server= null, $community= null){
+        $n = $this->getTableNas()->create();
+        $n->nasname = $ip;
+        $n->shortname = $name;
+        $n->type = $type;
+        $n->ports = $ports;
+        $n->secret = $secret;
+        $n->description = $description;
+        $n->server = $server;
+        $n->community = $community;
+        $n->save();
+        return $n->id();
+    }
+    public function updateNas($id, $name, $ip, $ports, $secret, $description = "",$type = 'other', $server= null, $community= null){
+        $n = $this->getTableNas()->find_one($id);
+        if(empty($n)){
+            return false;
+        }
+        $n->nasname = $ip;
+        $n->shortname = $name;
+        $n->type = $type;
+        $n->ports = $ports;
+        $n->secret = $secret;
+        $n->description = $description;
+        $n->server = $server;
+        $n->community = $community;
+        $n->save();
+        return true;
+    }
+
 }