npm publish
1.403 Forbidden - PUT http://registry.npm.taobao.org/hello_test_canvases - [no_perms] Private mode enable, only admin can publish this module
原因： npm指向的不是npmjs源
解决：npm config set registry=http://registry.npmjs.org
2. 401 Unauthorized - PUT http://registry.npmjs.org/hello_test_canvases - You must be logged in to publish packages.
原因： 未登录
解决：npm login
3. 403 Forbidden - PUT http://registry.npmjs.org/hello_test_canvases - you must verify your email before publishing a new package: https://www.npmjs.com/email-edit
原因：您必须先验证电子邮件，然后发布新软件包
解决： 登录相关邮箱，点击验证