nodemon报错

[nodemon] app crashed - waiting for file changes before starting...

开启服务后输入网址，报错。

Error [ERR_STREAM_WRITE_AFTER_END]: write after end

    at writeAfterEnd (_http_outgoing.js:668:15)

    at ServerResponse.end (_http_outgoing.js:788:7)

    at Server.<anonymous> (D:\desk\node.js处理http\test2\index.js:63:9)

    at Server.emit (events.js:315:20)

    at parserOnIncoming (_http_server.js:874:12)

    at HTTPParser.parserOnHeadersComplete (_http_common.js:126:17)

Emitted 'error' event on ServerResponse instance at:

    at writeAfterEndNT (_http_outgoing.js:727:7)

    at processTicksAndRejections (internal/process/task_queues.js:81:21) {

  code: 'ERR_STREAM_WRITE_AFTER_END'

}

[nodemon] app crashed - waiting for file changes before starting...