add to local

mobile/control/member_address.php

@@ -94,6 +94,9 @@ class member_addressControl extends mbMemberControl
         if($_SESSION['is_lasted'] == false) {
             $model_area = Model('area');
             $address_info['area_info'] = $model_area->formatAddress($address_info['area_info']);
+            if(empty($address_info['area_info'])) {
+                $address_info['area_info'] = '';
+            }
         }
 
         $result = $model_address->addAddress($address_info);