临时文件存储删除时机不对，修正代码发布部署

文件找不到问题来源于gettime地方后面要加随机数，上次只改对了一个地方

Error: Cannot set headers after they are sent to the client
Error: Premature close

RequestError: Unexpected token < in JSON at position 0 in "<https://ai.xytech.com/image/imageSliceByPointPipe?userId=4463798>"
    at Object.parseBody [as default] (/data/srv/node_modules/got/dist/source/as-promise/parse-body.js:22:15)
    at Request.<anonymous> (/data/srv/node_modules/got/dist/source/as-promise/index.js:72:61)
    at JSON.parse (<anonymous>)
    at parseJson (/data/srv/node_modules/got/dist/source/index.js:118:35)
    at Object.parseBody [as default] (/data/srv/node_modules/got/dist/source/as-promise/parse-body.js:11:48)
    at Request.<anonymous> (/data/srv/node_modules/got/dist/source/as-promise/index.js:72:61)
    at processTicksAndRejections (node:internal/process/task_queues:95:5) {

level :error

# stream用法或者自身有问题，需要升级版本或者怎么解决
Error: Premature close
    at new NodeError (node:internal/errors:399:5)
    at Duplexify.onclose (node:internal/streams/end-of-stream:149:30)
    at Duplexify.emit (node:events:525:35)
    at Duplexify._destroy (/data/srv/node_modules/duplexify/index.js:199:8)
    at /data/srv/node_modules/duplexify/index.js:182:10
    at processTicksAndRejections (node:internal/process/task_queues:77:11) {
  code: 'ERR_STREAM_PREMATURE_CLOSE'
}