小游戏压测，有规律的websocket断掉，是什么原因？ nodejs服务器端有时会显示 (node:3073) UnhandledPromiseRejectionWarning: Error: socket hang up     at createHangUpError (_http_client.js:331:15)     at TLSSocket.socketOnEnd (_http_client.js:423:23)     at emitNone (events.js:111:20)     at TLSSocket.emit (events.js:208:7)     at endReadableNT (_stream_readable.js:1064:12)     at _combinedTickCallback (internal/process/next_tick.js:138:11)     at process._tickCallback (internal/process/next_tick.js:180:9) (node:3073) UnhandledPromiseRejectionWarning: Unhandled promise rejection. This error originated either by throwing inside of an async function without a catch block, or by rejecting a promise which was not handled with .catch(). (rejection id: 8)

一上传文件就提示以下警告，而使得后续的信道服务停止 warning: AppId has been deprecated, Please put it at the end of parameter Bucket(E.g: "test-1250000000"). (node:9743) [DEP0013] DeprecationWarning: Calling an asynchronous function without callback is deprecated. 是在哪里加参数？还有cos在生产环境应该是怎么申请使用？

demo中tunnel为啥接受不到用户离线的信息