public function updateUserData($uid, $users, $userInfos)
 {
     $user = '';
     if ($users) {
         $i = 0;
         foreach ($users as $u) {
             if (!isset($userInfos[$u['recommend_uid']])) {
                 continue;
             }
             $user .= $u['recommend_uid'] . ',' . $userInfos[$u['recommend_uid']]['username'] . ',' . $u['cnt'];
             foreach ($u['same_uid'] as $value) {
                 $same_uid[$value] = $userInfos[$value]['username'];
             }
             if ($i == 0 && $u['same_uid']) {
             }
             $user .= '|';
             $i++;
         }
         $user = rtrim($user, '|');
     }
     Wind::import('SRV:user.dm.PwUserInfoDm');
     $dm = new PwUserInfoDm($uid);
     $dm->setRecommendFriend($user);
     $this->_getUser()->editUser($dm, PwUser::FETCH_DATA);
     return true;
 }