Fix bug

mobile/control/member_address.php

@@ -58,7 +58,7 @@ class member_addressControl extends mobileMemberControl {
         $model_address->delAddress($condition);
         $default_address_info = $model_address->getDefaultAddressInfo(array('member_id'=>$this->member_info['member_id']));
         if(intval($default_address_info['is_default']) === 0){
-            $this->_set_default($address_id, 1);
+            $this->_set_default($default_address_info['address_id'], 1);
         }
         joutput_data(array('result'=>'1'));
     }