// 时:分 处理 单位时 加0
    public function handleTime($time_info)
    {
        if (strpos($time_info, ':')  === false) {
            return sprintf("%02d", $time_info) . ':00';
        } else {
            $time_arr = explode(':', $time_info);
            return sprintf("%02d", $time_arr[0]) . ':' . $time_arr[1];
        }
    }