Don't run this on expensive equipment as it may have ECC RAM which will ruin your fun
stack.pop(); // 弹出无效候选值
，详情可参考夫子
看到 api/web/nginx/db/redis/worker 等服务 Up 即正常。
// Same for 'srcObject' catches MediaSource-based streams
JavaScript DRMs are Stupid and Useless Ahmed Arat