public function getPoiList($begin = 0, $limit = 20)
{
$raw = Json::encode(['begin' => $begin, 'limit' => $limit]);
$result = $this->httpRaw(static::WECHAT_GET_POI_LIST_URL . 'access_token=' . $this->getAccessToken(), $raw);
return isset($result['business_list']) ? $result['business_list'] : false;
}