在我的 Node.js 应用程序中，我使用带有 oauth2 身份验证的 googleapis 来发送电子邮件。突然，我在启动应用程序时发现了这个错误。
(node:1333) UnhandledPromiseRejectionWarning: Error: invalid_grant
at Gaxios._request (/Users/danielefarina/Desktop/GIT/server-worldmarker/src/node_modules/gaxios/build/src/gaxios.js:85:23)
at processTicksAndRejections (internal/process/task_queues.js:93:5)
at async OAuth2Client.refreshTokenNoCache (/Users/danielefarina/Desktop/GIT/server-worldmarker/src/node_modules/google-auth-library/build/src/auth/oauth2client.js:170:21)
at async OAuth2Client.refreshAccessTokenAsync (/Users/danielefarina/Desktop/GIT/server-worldmarker/src/node_modules/google-auth-library/build/src/auth/oauth2client.js:194:19)
at async OAuth2Client.getAccessTokenAsync (/Users/danielefarina/Desktop/GIT/server-worldmarker/src/node_modules/google-auth-library/build/src/auth/oauth2client.js:214:23)
(node:1333) 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:1333) [DEP0018] DeprecationWarning: Unhandled promise rejections are deprecated. In the future, promise rejections that are not handled …