public static function handleQuota($data, $from = 0)
 {
     $renew = array_slice($data, 0, $from);
     for ($i = $from; $i < sizeof($data); $i++) {
         $adata = $data[$i];
         //需要处理的指标数据
         $adata['ma60'] = DayKeeper::handleMA($data, $i, 60);
         $renew[] = $adata;
     }
     return $renew;
 }