helm deployment with ingress show errors when npm addsuer

[lixjofgithub]

[root@k8s-master01 verdaccio]# npm login
Username: xxx
Password: xxx
Email: (this IS public) xxx
npm ERR! Linux 5.4.113-1.el7.elrepo.x86_64
npm ERR! argv "/usr/bin/node" "/usr/bin/npm" "login"
npm ERR! node v6.17.1
npm ERR! npm v3.10.10
npm ERR! code ECONNRESET

npm ERR! network socket hang up
npm ERR! network This is most likely not a problem with npm itself
npm ERR! network and is related to network connectivity.
npm ERR! network In most cases you are behind a proxy or have bad network settings.
npm ERR! network
npm ERR! network If you are behind a proxy, please make sure that the
npm ERR! network 'proxy' config is set properly. See: 'npm help config'

BTW , URL visit registry is ok.