bug: 不兼容hexo7.0版本

[Angelxyj]

npm install hexo-offline --save
npm ERR! code ERESOLVE
npm ERR! ERESOLVE unable to resolve dependency tree
npm ERR!
npm ERR! While resolving: [email protected]
npm ERR! Found: [email protected]
npm ERR! node_modules/hexo
npm ERR!   hexo@"^7.0.0" from the root project
npm ERR!
npm ERR! Could not resolve dependency:
npm ERR! peer hexo@"^5.0.0 || ^6.0.0" from [email protected]
npm ERR! node_modules/hexo-offline
npm ERR!   hexo-offline@"*" from the root project
npm ERR!
npm ERR! Fix the upstream dependency conflict, or retry
npm ERR! this command with --force or --legacy-peer-deps
npm ERR! to accept an incorrect (and potentially broken) dependency resolution.