public static function insert_trust($fina_type, $fina_action, $uid, $fina_cash, $user_balance, $obj_id)
 {
     $objTrust = keke_table_class::get_instance('witkey_finance');
     $usernames = CommonClass::getuseName($uid);
     $arrFields = array('fina_type' => $fina_type, 'fina_action' => $fina_action, 'uid' => $uid, 'fina_cash' => $fina_cash, 'user_balance' => $user_balance, 'fina_time' => time(), 'username' => $usernames, 'obj_id' => $obj_id);
     $intResult = $objTrust->save($arrFields);
 }