启动报错

[haoshen667]

问题描述

Listening at http://localhost:8081

(node:79545) UnhandledPromiseRejectionWarning: Error: Exited with code 3
at ChildProcess.cp.once.code (/usr/local/open_dnsdb/dnsdb_fe/node_modules/opn/index.js:84:13)
at Object.onceWrapper (events.js:272:13)
at ChildProcess.emit (events.js:180:13)
at maybeClose (internal/child_process.js:936:16)
at Socket.stream.socket.on (internal/child_process.js:353:11)
at Socket.emit (events.js:180:13)
at Pipe._handle.close [as _onclose] (net.js:541:12)
(node:79545) 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: 1)
(node:79545) [DEP0018] DeprecationWarning: Unhandled promise rejections are deprecated. In the future, promise rejections that are not handled will terminate the Node.js process with a non-zero exit code.

环境配置
npm -v
5.6.0
node -v
v9.11.2

复现步骤
1.
2.
3.

实际输出结果

期望输出结果