正常工作，但突然停止工作，我不确定为什么。如果你能帮忙，谢谢!
日志2022-11-24T13:14:56.98176Z Executing user command: next build && next export
2022-11-24T13:14:57.075259Z /opt/buildhome/repo/node_modules/next/dist/build/index.js:344
2022-11-24T13:14:57.075558Z ...pageKeys.app ?? [],
2022-11-24T13:14:57.075709Z ^
2022-11-24T13:14:57.075852Z
2022-11-24T13:14:57.075978Z SyntaxError: Unexpected token '?'
2022-11-24T13:14:57.076087Z at wrapSafe (internal/modules/cjs/loader.js:1054:16)
2022-11-24T13:14:57.076193Z at Module._compile (internal/modules/cjs/loader.js:1102:27)
2022-11-24T13:14:57.0763Z at Object.Module._extensions..js (internal/modules/cjs/loader.js:1158:10)
2022-11-24T13:14:57.076409Z at Module.load (internal/modules/cjs/loader.js:986:32)
2022-11-24T13:14:57.076516Z at Function.Module._load (internal/modules/cjs/loader.js:879:14)
2022-11-24T13:14:57.076621Z at Module.require (internal/modules/cjs/loader.js:1026:19)
2022-11-24T13:14:57.076736Z at require (internal/modules/cjs/helpers.js:72:18)
2022-11-24T13:14:57.076877Z at Object.<anonymous> (/opt/buildhome/repo/node_modules/next/dist/cli/next-build.js:10:37)
2022-11-24T13:14:57.077002Z at Module._compile (internal/modules/cjs/loader.js:1138:30)
2022-11-24T13:14:57.077111Z at Object.Module._extensions..js (internal/modules/cjs/loader.js:1158:10)
2022-11-24T13:14:57.082209Z Failed: build command exited with code: 1
2022-11-24T13:14:57.927713Z Failed: an internal error occurred
它导出文件并部署到cloud flare
您得到的错误表明您的Node版本不支持空合并操作符，这是版本14的Node的一部分。通过阅读Cloudflare文档，我了解到默认的Node版本是12，这将符合这种怀疑。
解决方案是更新你的Cloudflare配置，使用更新版本(14+)的Node(见文档)。