npm 提示：UnhandledPromiseRejectionWarning: SyntaxError: Unexpected token ‘??=’ 错误的

UnhandledPromiseRejectionWarning: SyntaxError: Unexpected token '??='
at Loader.moduleStrategy (internal/modules/esm/translators.js:145:18)
(Use `node --trace-warnings ...` to show where the warning was created)
(node:8744) 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(). To terminate the node process on unhandled promise rejection, use the CLI flag `--unhandled-rejections=strict` (see https://nodejs.org/api/cli.html#cli_unhandled_rejections_mode). (rejection id: 1)