private function GetUserId()
 {
     if (!empty($_SESSION['user']['userid'])) {
         return $_SESSION['user']['userid'];
         exit;
     }
     $UserModel = new AnymagicUserModel();
     $result = $UserModel->GetUserInfo($UserId = '', $_SESSION['user']['openid'], 'userid');
     if ($result !== false && $result !== null) {
         $_SESSION['user']['userid'] = $result['userid'];
         return $_SESSION['user']['userid'];
     } else {
         return false;
     }
 }