运行命令报错，辛苦大佬看下

[zpng]

➜ ~ cgpt 删除所有文件和文件夹
/Users/bytedance/.nodebrew/node/v12.0.0/lib/node_modules/magiccube-cli-gpt/node_modules/@oclif/core/lib/command.js:45
delete this.baseFlags?.json;
^

SyntaxError: Unexpected token .
at Module._compile (internal/modules/cjs/loader.js:703:23)
at Object.Module._extensions..js (internal/modules/cjs/loader.js:770:10)
at Module.load (internal/modules/cjs/loader.js:628:32)
at Function.Module._load (internal/modules/cjs/loader.js:555:12)
at Module.require (internal/modules/cjs/loader.js:666:19)
at require (internal/modules/cjs/helpers.js:16:16)
at Object. (/Users/bytedance/.nodebrew/node/v12.0.0/lib/node_modules/magiccube-cli-gpt/node_modules/@oclif/core/lib/index.js:5:19)
at Module._compile (internal/modules/cjs/loader.js:759:30)
at Object.Module._extensions..js (internal/modules/cjs/loader.js:770:10)
at Module.load (internal/modules/cjs/loader.js:628:32)