npm install error: authentication-sdk-2.0.34.tgz下载失败

[hanxiuping]

npm install
npm error code ECONNREFUSED
npm error syscall connect
npm error errno ECONNREFUSED
npm error FetchError: request to http://npm.ispeco.com/npm/@ispeco%2fauthentication-sdk failed, reason: connect ECONNREFUSED 172.16.12.20:80
npm error at ClientRequest. (C:\Users\Administrator\AppData\Roaming\npm\node_modules\npm\node_modules\minipass-fetch\lib\index.js:130:14)npm error at ClientRequest.emit (node:events:524:28)
npm error at emitErrorEvent (node:_http_client:104:11)
npm error at _destroy (node:_http_client:898:9)
npm error at onSocketNT (node:_http_client:918:5)
npm error at process.processTicksAndRejections (node:internal/process/task_queues:91:21) {
npm error code: 'ECONNREFUSED',
npm error errno: 'ECONNREFUSED',
npm error syscall: 'connect',
npm error address: '172.16.12.20',
npm error port: 80,
npm error type: 'system',
npm error requiredBy: '.'
npm error }
npm error

[kingrays]

1、把package.json中的这个依赖删除；
2、把使用这个依赖的代码注释掉；
3、重新安装依赖；
4、运行代码；