iOS Surge 4.2.0 Build 1574 日志中出现如下Warning
<WARNING> [SGLogger] WARNING: Object didn't release: 0x104cb96a0: <JSContext: 0x104cb96a0>
日志并未将context和脚本联系起来，日志时间戳显示可能是如下的一个每分钟运行一次的cron脚本的问题：
请教如何改进代码才能消除Warning。

$httpClient.get({
    url: SOMEURL,
    headers: SOMEHEADER
}, (error, response, data) => {
    if (error == null) {
        res = JSON.parse(data);

        var firstNewsTimestamp = $persistentStore.read("firstNewsTimeStamp");
        if (isNaN(firstNewsTimestamp)) {
            firstNewsTimestamp = '0';
        }
        let storageTime = Date.parse(res.list[0].time.replace(' ', 'T')).toString(); // max time
        if (storageTime != firstNewsTimestamp) {
            $persistentStore.write(storageTime, "firstNewsTimeStamp");
        }`

        list = res.list.reverse()
        list = list.filter(item => Date.parse(item.time.replace(' ', 'T')) > parseInt(firstNewsTimestamp)); // more than last round max time

        list.map(item => {
            let level = parseInt(item.Level);
            let type = parseInt(item.Type);
            let content = item.content.split('】'); //split title and body
            let time = item.time.substr(11, 5); // time substring extract minute and seconds
            let title = '';
            let body = '';

            if (content.length < 2) { // no title
                title = '';
                if (level == 0) { // i.e. important
                    body = '★'.repeat(2) + content[0];
                }
                else {
                    body = content[0];
                }
            }
            else {  // with title
                body = content[1];
                if (level == 0) { // i.e. important
                    title = '★'.repeat(2) + content[0].substr(1);
                }
                else {
                    title = content[0].substr(1);
                }
                if (title.length > 23) {
                    body = '【' + title + '】' + body;
                    title = '';
                }
            }

            // console.log(level, type, time, title, body)
            $notification.post(title, "", body);
        });

    } else {
        console.log("request error for m.fbecn.com");
        console.log(error);
        console.log(response);
    }
});
$done();