我想从我的应用程序（Angular）发送电子邮件。我尝试在 node.js 中使用 @sendgrid/mail，但它不起作用。
错误是：
(node:18224) UnhandledPromiseRejectionWarning: Error: Unauthorized
at Request.http [as _callback] (C:\Users\Gauthier\tla\back\node_modules\@sendgrid\client\src\classes\client.js:124:25)
at Request.self.callback (C:\Users\Gauthier\tla\back\node_modules\request\request.js:185:22)
at emitTwo (events.js:126:13)
at Request.emit (events.js:214:7)
at Request.<anonymous> (C:\Users\Gauthier\tla\back\node_modules\request\request.js:1161:10)
at emitOne (events.js:116:13)
at Request.emit (events.js:211:7)
at IncomingMessage.<anonymous> (C:\Users\Gauthier\tla\back\node_modules\request\request.js:1083:12)
at Object.onceWrapper (events.js:313:30)
at emitNone (events.js:111:20)
(node:18224) 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:18224) [DEP0018] DeprecationWarning: Unhandled promise …